Generic install manual4

Installation Instructions
Balboa Control Systems
Models:

2000LE

2000 Value

M-2/M-3

M-1

Lite Leader

Balboa
Instruments
Incorporated

Table of Contents

Important Safety Instructions ..............................................2-3 Auxiliary Freeze Sensor......................................................21

Introduction (System Configurations) ...............................4-9 pH Sensor..............................................................................22

Installation Considerations ............................................10-11 Printed Circuit Board Jumper Settings..............................23

Primary Pump Installation ..................................................12 Lite Leader Jumper Settings and Electrical Schematics.......24-25

2nd Pump Installation ..........................................................13 M-1 Jumper Settings and Electrical Schematics..........26-27

Air Blower Installation ........................................................14 M-2 Jumper Settings and Electrical Schematics..........28-29

Spa Light Installation ...........................................................15 M-3 Jumper Settings and Electrical Schematics..........30-31

Ozone Generator Installation...............................................16 2000 Value Jumper Settings and Electrical Schematics .......32-33

Top-side Panel Installation..............................................17-19 2000LE Jumper Settings and Electrical Schematics ....34-35

Sensor/Sensor Mount Instructions ....................................20 Electrical Connections ...................................................36-39

Warranty
Products manufactured by Balboa Instruments, Inc. are warranted Circuit Boards
to be free from defects in materials and workmanship for a period New circuit boards: 2 years from date of manufacture
of two years from date of manufacture. Specifically excluded are Repaired circuit boards: 90 days
misuse, abuse, and damage from improper installation. Repaired, Used and reconditioned circuit boards: 90 days
used, and reconditioned boards are also excluded from the
two-year warranty. Labor reimbursement is specifically excluded Control Panels
from this warranty. New control panels: 2 years from date of manufacture
Return Policy
A 25% restocking fee will apply to any product returned within
30 days. No refunds after 30 days. No refunds on any used product.
No reimbursement for return shipments.

Technical Support
Phone: 1-800-645-3201
Fax: 1-714-435-6862
world wide web: Balboa-Instruments.com

2 2

Important Electrical Safety Instructions
When installing and using Balboa Power Systems, basic safety precautions should always be followed, including those listed below:

Read And Follow All Instructions

1. A bonding wire connector needs to be supplied by the customer 5. A suitably rated Ground Fault Circuit Interrupter (GFCI) must be
on retrofit systems; however, a bonding wire connector is installed in the electrical supply circuit connected to Balboa
provided on purchases of complete Balboa Control Systems to Control Systems. This GFCI may also provide the disconnect
accommodate the connection of a minimum No. 8 AWG function referenced in item 4 above if it meets the within-sight and
(8.4mm≈) solid copper conductor between this unit and any accessibility criteria.
metal equipment, metal enclosure of electrical equipment, metal 6. All GFCI’s require periodic testing to assure their safety features
water pipe, or conduit within 5’ (1.5 m) of the unit. are functioning properly. Follow the GFCI manufacturer’s
2. DANGER - Risk of Electric Shock. Do not permit any electric instructions to perform the test. In the event that the GFCI fails
appliance, such as a light, telephone, radio, or television within any test or does not operate as described in the manufacturer’s
5’ (1.5 m) of a spa. instructions, immediately turn all electricity to the Control System
3. WARNING - This Control System is not intended for outdoor use OFF and discontinue use of the spa until a qualified electrician
unless protected by the surrounding structure of a portable spa. has corrected the problem.

4. The electrical supply circuit connected to the Control System must
be equipped with a suitably rated disconnect device - a circuit
breaker, switch or other device capable of opening all
ungrounded conductors in the supply circuit. This disconnect
must be installed at least 5’ (1.5 m) from the spa, but be within
sight of and readily accessible to a spa user.

SAVE THESE INSTRUCTIONS • SAVE THESE INSTRUCTIONS • SAVE THESE INSTRUCTIONS

3 3

Important Water Safety Instructions
Sectioninstalling and using Balboa Power Systems, basic safety precautions should always be followed, including those listed below:
When
Title
Read And Follow All Instructions

1. WARNING - Risk of Accidental Drowning. Extreme caution must d) Prolonged immersion in water hotter than 104°F (40°C) may
be exercised to prevent unauthorized access by children. To cause hyperthermia. Hyperthermia occurs when the internal
avoid accidents, ensure that children cannot use the spa or hot temperature of the body reaches a level several degrees
tub to which this Control System is connected unless they are above the normal body temperature of 98.6°F (37°C). The
closely supervised at all times. symptoms of hyperthermia include dizziness, fainting,
2. DANGER - To reduce the risk of drowning from hair or body drowsiness, lethargy, and an increase in the internal
entrapment, assure that the suction fittings in the spa to which temperature of the body. The effects of hyperthermia
the Control System is connected are approved for the application include: (1) unawareness of impending hazard, (2) failure
and are marked with a flow rate that equals or exceeds the flow to perceive heat, (3) failure to recognize the need to exit
rate of the pumps. the spa, (4) physical inability to exit the spa, (5) fetal
damage in pregnant women, and (6) unconsciousness
3. DANGER - To reduce the risk of injury, do not remove the resulting in a danger of drowning. WARNING - The use of
suction fittings covers. Never operate the spa if the suction alcohol, drugs, or medication can greatly increase the risk of
fittings covers are broken or missing. Never replace a suction fatal hyperthermia.
fitting with one rated less than the flow rate marked on the e) Leave the spa immediately if nausea, dizziness or headaches
original suction fitting. occur. Immediately cool the body by taking a cool shower or
4. WARNING - To reduce the risk of injury: by applying cold towels or ice packs. If the symptoms persist,
seek medical attention.
a) The water in a spa to which the Control System is connected
f) The use of alcohol, drugs, or medication before or during
should never exceed 104°F (40°C). Water temperatures
spa use may lead to unconsciousness with the possibility
between 100°F (38°C) and 104°F (40°C) are considered
of drowning.
safe for a healthy adult. Lower water temperatures are
g) Obese persons and persons with a history of heart disease,
recommended for young children and when spa use exceeds
low or high blood pressure, circulatory system problems, or
10 minutes.
diabetes should consult a physician before using a spa.
b) Since excessive water temperatures have a high potential for
h) Persons using medication should consult a physician before
causing fetal damage during the early months of pregnancy,
using a spa since some medication may induce drowsiness or
pregnant or possibly pregnant women should limit spa water
may affect heart rate, blood pressure, and circulation.
temperatures to 100°F (38°C).
c) Before entering a spa, the user should measure the water 5. Occasional users of the spa should be made aware of these
temperature with an accurate thermometer since the Important Safety Instructions.
tolerance of water temperature-regulating devices vary.

SAVE THESE INSTRUCTIONS • SAVE THESE INSTRUCTIONS • SAVE THESE INSTRUCTIONS

4 4

Introduction
Balboa Control Systems are designed for installation into a portable spa assembly. These state-of-the-art
units will provide years of trouble free operation by combining the latest technology with the finest
components available.
Please take a few minutes to read the Installation Instructions in order to become familiar with the
elements of a properly installed system.

Lite Leader Control System Configurations

Basic System Components Installation Manual
& Operations Card

Top-Side Control Panels

Basic Lite Leader Control System

Pump 1
Optional System Components Two-Speed
(Available from Balboa) Spa Light
12V 120V/240V

Ozone Generator
120V/240V
(must be same
voltage as pump)

Recommended Installation
Accessories Pump 1
(Not Provided) Shut-Off Valves
Ground-Fault Circuit
Interrupter/Circuit
Rated Suction Fittings Breaker (GFCI)

5 5

Introduction

M-1 Control System Configurations

& Operations Card Top-Side Control Panels

or

Basic M-1 Control System

Pump 1 Pump 2
Optional System Components One-Speed Air Blower
(Available from Balboa) Spa Light Two-Speed
240V 120V/240V
12V 120V/240V

Ozone Generator
120V/240V

Accessories Pump 1 Pump 2 Air Blower
(Not Provided) Shut-Off Valves Shut-Off Valves Check Valve
Interrupter/Circuit

6 6

Introduction



or

Basic M-2 Control System or

Pump 1 Pump 2
Optional System Components Spa Light Air Blower
(Available from Balboa) Two-Speed One-Speed
12V 120V/240V 240V 120V/240V

Ozone Generator
120V/240V

Interrupter/Circuit

7 7

Introduction



or

Basic M-3 Control System or

Pump 1 Pump 2
Optional System Components Spa Light Air Blower
(Available from Balboa) Two-Speed One- or Two-Speed
12V 120V/240V
240V 240V

Ozone Generator
120V/240V

*2-speed 2nd pump available only with Deluxe panel.

Interrupter/Circuit

8

Introduction

Value Control System Configurations

& Operations Card

or Top-Side Control Panels

Basic Value Control System

Optional System Components Pump 1
(Available from Balboa) Spa Light Two-Speed Air Blower
12V 120V/240V 120V/240V

Ozone Generator
120V/240V

Accessories Pump 1 Air Blower
(Not Provided) Shut-Off Valves Check Valve
Interrupter/Circuit

9

Introduction

2000LE Control System Configurations


or

Basic 2000LE Control System

Optional System Components Pump 1 Pump 2
Air Blower
(Available from Balboa) Spa Light Two-Speed One- or Two-Speed
120V/240V
12V 120V/240V 240V

Ozone Generator
120V/240V

Interrupter/Circuit

10

Installation Considerations

B alboa Control Systems are designed exclusively for installation
into the equipment compartment of a portable spa. The skirting
of the portable spa, with suitable equipment compartment doors
securely fastened, serves as a barrier to prevent a spa user from coming
in contact with any part of the Control System. Additionally, the skirting
provides weather protection for the Control System.
The following requirements apply to all installations. Specific
information pertaining to plumbing, electrical and installation of
accessory items is provided in other sections of this manual dedicated
Ventilation
to those subjects. 4 Openings
1. The Control System must be installed on a firm, level surface
provided by the cabinet of the spa.
2. The area in which the Control System is mounted must have
adequate drainage to prevent flooding of the equipment under
all circumstances. A minimum of 4" measured from the spa
supporting surface (concrete slab or deck) to the lowest electrical
part of the Control System or to any of the
Control System accessories must be provided. Normal Water Level

3. If the spa in which the Control System is to be installed is indoors,
precautions must be taken to assure that floors, walls, carpeting
and nearby furnishings are protected. Water splash during
normal spa use, as well as the possibility of water drip and
flooding that might occur due to a defect in the spa’s plumbing,
must be considered.
Pump Installed
4. The equipment compartment in which the Control System is 5 Below Water Level
installed must have adequate ventilation. A minimum of
64 square inches of ventilation openings should be provided
with all Control System configurations. (Mandatory on all spas
with two pumps). Ideally, this is accomplished by having
two 32 square inch openings located as shown. The ventilation
openings must be rain proof. This configuration will assure
proper cooling of the Control System.
5. All devices such as the pumps, air blowers, ozone generators, and
lights that are controlled by the Control System are connected to AMP “Mate-N-Lok”
6 Series Plug (4 Pin shown)
the unit via electrical receptacles mounted in the wall of the
Control System. The plugs that mate with these receptacles are

INSTALLATION NOTE:
Red = High Speed
Black = Low Speed

11

Installation Considerations
commonly referred to by their manufacturer’s designation - AMP
“Mate-N-Lok.” If existing components are to be connected to
these Control Systems, their electrical plugs must be of this style.
Parameters for 6. The portable spa should be installed with a minimum of 3’
equipment side of spa 7 (1 meter) of free, unobstructed space between the opening of
the equipment compartment and any wall, fence or other
permanent structure.
This will allow for ease of installation of the Control System into
the equipment compartment, and provide the necessary access
space for regular maintenance and service activities in the future.
3’ mi
nimum 7. It is mandatory that an insulated spa cover be used on the
portable spa to which the Control System is connected. There are
several benefits:
a. The spa water will be cleaner, free from air-borne particles and
require far less sanitizing chemicals.
b. The Control System will be able to maintain the desired
temperature of the spa water with significant savings
in electricity.
c. The cover will provide a barrier to prevent access to small
children and to all intruders if the cover has a locking feature.
Draining the Spa 9
8. If the Control System is installed in a spa that is subjected to
Balboa freezing temperatures, consideration must be given to protecting
System
the portable spa’s plumbing from freeze damage. The
temperature of the water in the spa may be maintained at a point
above freezing throughout the freezing period, or the spa may be
Heater drained and taken out of service.
Shut-off
Valve The steps to drain the spa vary with the spa manufacturers, and
may entail the use of an auxiliary sump pump, the use of a siphon
Bonding lugs
hose, or possibly by attachment of a drain hose to a fitting within
the spa plumbing.
Be sure all pump drain plugs have been removed and unions
loosened as required to drain the heater and all related spa
Suction from Spa plumbing. Any remaining water must be removed with
compressed air.

Drain Plug

NOTE: If conditions exist in the spa circulation system that are not represented by the sensors connected to the
Control System, an optional air temperature sensing auxiliary freeze sensor is available. This sensor can be
remotely mounted to protect isolated pumps or plumbing. Call Balboa to see if this applies to your system.

12

Primary Pump Installation

A 1- or 2-speed, 120V or 240V, hydrotherapy booster pump,
commonly referred to as “Pump 1,” may be connected to all
Balboa Systems. The System will provide 120V/240V electrical power
Pump 1

and control circuitry for the pump. The receptacle will be labeled
“Pump 1.” Balboa Pressure
Power Shut-off
System Switch
Switch Valve
An existing pump, rated 120V or 240V with an Amp rating not
exceeding 15 amps, may be connected to the System if equipped with
the correct electrical cord and connecting plug. Heater
Shut-off
If you are replacing Pump 1 or replumbing the Valve
Water to Spa
spa, be sure that the following installation Bonding lugs
instructions are followed.
1. To assure the safest operation of the spa,
the suction fittings connected to the suction
Suction from Spa
port of the pump must be listed or
approved for the purpose.
Drain Plug
2. Each pump must be provided with a minimum of two
suction fittings or a pump can be provided with a suction
fitting and a skimmer. Pump 1 is generally connected to a suction
fitting and a skimmer while pump 2, if applicable, is generally
connected to two suction fittings.
3. Secure the pump with appropriate screws. Remember to provide
4" of clearance between the spa supporting surface (concrete slab
or deck) and the pump motor.
4. Electrical connection to the pump is accomplished by inserting the
attachment plug at the end of the pump cord into the receptacle
labeled “Pump1” on the side of the Power System enclosure.
Be sure the output voltage of the Control System matches the
voltage rating of the pump. Also, be sure the low-speed and high-
speed wires in the pump power cord plug are arranged to match
the same outputs from the Control System receptacle. Push the
plug firmly into the receptacle until the locks on each side of the
plug snap into place.
Note: Typically a Balboa System with a 2-speed pump will use
the white wire for common, the black wire for low speed, the
red wire for high speed, and the green wire for ground.
A 1-speed pump will use the white wire for common, the
black wire for high speed, and the green wire for ground.
5. A bonding wire must be connected from the bonding lug on NOTE: The amperage requirements of the pump must
the pump to the bonding wire terminal block on the side of the be added to the amperage requirements of all other
Control System enclosure. Solid copper wire (no smaller electrical components in order to complete the
than #8 AWG) is required for this bonding connection electrical installation. See page 38, Electrical
(#6 AWG in Canada). Connections (3), for details.

13 13

2nd Pump Installation

2nd Pump A n optional single-speed, 240V, hydrotherapy booster pump,
commonly referred to as “Pump 2,” is available for connection to
some models of the Balboa Control Systems. Those models having an
output receptacle labeled “Pump 2,” can have an optional 2nd pump
Shut-off Valves connected. The Control System will provide 240V of electrical power
and control circuitry for the 2nd pump.
Discharge Port Water OUT An existing 2nd pump, rated at 240V with an amp rating not exceeding
10 amps, may be connected to the Control System if equipped with the
Bonding Lugs
correct electrical cord and connecting plug.
If you are replacing Pump 2 or replumbing the spa, be sure that the
following installation instructions are followed.
1. To assure the safest operation of the spa, the suction fittings
connected to the suction port of the 2nd pump must be listed
or approved for the purpose.
Suction Port Water IN
2. Each pump must be provided with a minimum of two suction
fittings or a pump can be provided with a suction fitting and a
skimmer. Pump 1 is generally connected to a suction fitting
and a skimmer while pump 2 is generally connected to two
suction fittings.
3. Secure the pump with appropriate screws. Remember to provide
4" of clearance between the spa supporting surface (concrete slab
or deck) and the pump motor.
4. Electrical connection to the 2nd pump is accomplished by
inserting the attachment plug at the end of the 2nd pump cord
into the receptacle labeled “Pump 2” on the side of the Control
System enclosure. Be sure the output voltage of the Control System
matches the voltage rating on the pump. Also, be sure the low-
speed and high-speed wires in the pump power cord plug are
arranged to match the same outputs from the Control System
receptacle. Push the plug firmly into the receptacle until the locks
on each side of the plug snap into place.
5. A bonding wire must be connected from the bonding lug on
the pump to the bonding wire terminal block on the side of
the Control System enclosure. Solid copper wire (no smaller
than #8 AWG) is required for this bonding connection (#6 AWG
in Canada).

NOTE: The amperage requirements of the 2nd pump must
be added to the amperage requirements of all other
electrical components in order to complete the
electrical installation. See page 38, Electrical
Connections (3), for details.

14 14

Air Blower Installation

A n optional air blower is available for connection to some of the
Balboa Control Systems. An existing air blower, if equipped
with the correct electrical cord and connecting plug, may also be used.
1 Double Air Loop

The Control System will provide electrical power and control circuitry for Loops must be ABOVE
the air blower. Maximum Water Level

The following installation instructions apply to any air blower that might 1 1 / 2 " Pipe
be used:
1. The air blower may be mounted either vertically or horizontally and
must be positioned in such a manner as to ENSURE THAT WATER
CANNOT ENTER THE AIR BLOWER MOTOR. This can be
accomplished by installing a double air loop that incorporates a Check Valve

check valve, as shown in illustration #1 on this page.
2. The air blower must be connected ONLY to a spa’s air distribution
piping which is connected to air holes in the floor or seats of the spa.
Connection of the air blower to any air piping associated with the spa 4 Plumbing Connection
hydrotherapy jets will create a hazard by providing a path for high- to the Air Blower
pressure water to be forced back into the air blower.
This will result in damage to the air blower and possibly create an
Screw Screw
electrical shock hazard.
3. The air blower must be securely mounted to a structural member of
the spa to prevent movement during operation.
4. Do NOT use any form of solvent cement or glue when connecting the
spa piping to the air blower. Instead, install screws supplied with the
blower to mechanically fasten the blower to the piping.
5. Electrical connections to the air blower are accomplished by inserting
the attachment plug at the end of the air blower cord into the proper
receptacle on the side of the Control System. Be sure the output
voltage of the Control System matches the voltage rating of the blower.
Also, be sure the electrical conductors in the blower power cord plug
are arranged to match the common, hot, and ground wires from the
Control System receptacle. Push the plug firmly into the receptacle
until the locks on each side of the plug snap into place.
Note: A typical Balboa System equipped with a blower will use
the white wire for common, the black wire for high speed, and
the green wire for ground.
6. If the air blower is equipped with a bonding lug, a bonding
wire must be connected from that bonding lug to the bonding wire
terminal block on the side of the control system enclosure. Solid NOTE: The amperage requirements of the air blower must
copper wire (no smaller than #8 AWG) is required for this be added to the amperage requirements of all other
bonding connection (#6 AWG in Canada). electrical components in order to complete the

15 15

Spa Light Installation
NOTE: If there is an existing light in the spa, an attempt
should be made to mate the new reflector and/or bulb
and socket parts from the spa light kit to the existing
A n optional 12V spa light is available for connection to the Balboa
Control Systems. An existing 12V spa light, if equipped with the
correct electrical cord and connecting plug, may also be used. The
light's body. This will eliminate the need for removing Control System will provide electrical power and control circuitry for
the existing light body from the spa wall. Skip to the spa light.
instruction #7 if an existing light body is to be used. If you are installing a new light, the following instructions will apply.
1. Select the mounting location for the spa light in a flat area of the
spa wall. Many spas have a flat area molded into the spa wall for
Spa Light Kit
this purpose.
2. Inspect the outside (plumbing side) of the spa wall at the
selected point to assure that there is no plumbing, wiring, or
other obstructions that would interfere with the installation of
the light body.
3. Using a suitable 2 1/2" (65 mm) diameter hole-saw, cut the hole
in the spa wall. Cut from the inside (water side) of the spa wall
toward the outside to prevent splintering of the spa wall’s
inner surface.
Light Assembly
4. On the outside of the wall, remove any insulating material or other
coating from around the hole for a distance of 1/2" (13 mm).
Light Body & Lens Nut 5. Place the gasket onto the light body, then insert into the hole.
Bulb & Socket
Alternately, discard the gasket and seal the light body to the spa
wall with an appropriate silicone sealant for use with polycarbonate
and ABS plastics.
Reflector 6. Install the nut onto the light body and tighten clockwise. Do not
Gasket Clean Area to expose over tighten the nut; doing so might break the light body.
fiberglass or stable
spa shell surface 7. Push the reflector onto the end of the light body and twist clockwise
until it snaps into place.
8. Push the bulb and socket assembly into the hole on the rear of the
Electrical Connection 9
reflector and twist clockwise. The assembly will snap into place in
the reflector.
9. Insert the attachment plug at the end of the light wires into the
Ground Connection receptacle labeled “Light” on the side of the Control System control
enclosure. Push the plug firmly into the receptacle until the locks
on each side of the plug snap into place.
10. When filling the spa, it is recommended that the water level be
stopped just above the level of the spa light until a thorough
inspection determines that there are no leaks around the light. If
silicone sealant is used to seal the light to the spa wall, be sure to
allow adequate time for the sealant to cure before filling the spa.
11. Replacing the spa light bulb:
NOTE: If a light is not to be installed, a figure of 0.1 amp With access to the back of the spa, turn off all electric power to the
may be deducted from the total amperage spa. Twist the bulb and socket assembly counter-clockwise and pull
the assembly out of the reflector. Do not pull on the wires. Pull the
requirement of the Control System. See page 38,
bulb straight out of the socket and replace with a standard
Electrical Connections (3), for details.
automobile type #912 bulb.

16 16

Ozone Generator Installation

A ll of the Control Systems provide control circuitry and electrical
receptacles for connection of an ozone generator.
1 Electrical Connection

An existing ozone generator may be connected providing that the ozone
generator is equipped with the correct cord and connecting plug and is
the correct voltage. The plug used is commonly referred to as a “4-Pin #8 Bonding wire
to Ozone
AMP Plug,” and mates with the 4-pin AMP receptacle on the side of the Generator
Control System enclosure. The wiring connections to the plug must
Bonding Terminal
align with the receptacle diagram shown on the right.
Follow the installation instructions from the manufacturer of the ozone
generator pertaining to the mounting of the unit, installation of venturis
or injectors, and the connection of all required piping, tubing and
check valves.
The following instructions apply to the connection of all ozone
generators to the Control System: Ozone Generator
Receptacle
1. Electrical connections to the ozone generator are completed by
attaching the plug at the end of the ozone generator cord into the
proper receptacle on the side of the Control System. Be sure the
output voltage of the Control System matches the voltage rating of
the ozone generator. Also, be sure the electrical conductors in the
ozone generator cord plug are arranged to match the common,
hot,
and

ground wires from the Control System receptacle. Push the plug
firmly into the receptacle until the locks on each side of the plug
snap into place.
Note: A typical Balboa System equipped with an ozone
generator will use the white wire for common, the black wire
for high speed, and the green wire for ground.
2. If the ozone generator is equipped with a bonding lug, a bonding
wire must be connected from that bonding lug to the bonding wire
terminal block on the side of the Control System enclosure. Solid NOTE: The amperage requirements of the ozone generator
copper wire (no smaller than #8 AWG) is required for this must be added to the amperage requirements of all
bonding connection (#6 AWG in Canada). other electrical components in order to complete the

17 17

Section Title Top-side Panel Installation

Top-side panels T here may be several Balboa top-side panels available depending
on the Balboa Control System you have selected. The top-side
panel is specifically designed to withstand the harsh spa environment
and is intended to be mounted in a location on, or close to the spa, in
Supplied with Lite Digital systems order to provide the spa user with the greatest convenience when
controlling the spa equipment. When selecting a mounting location for
the top-side panel, several factors should be considered:
• Select a location that is easily accessible. The user should be
able to reach the panel without stretching or getting into an
awkward position.
• The mounting location should allow the user to see all of the
visual indicators and display features of the top-side panel
without strain.
• The panel’s connecting cable must reach the Control System
Available for M-1 Systems without stretching or being forced against any sharp corners. A
“dry run” is highly recommended. Hold the top-side panel at the
desired mounting location and route the connecting cable toward
the Control System to determine that the 7' cable is long enough
to allow it to be connected inside of the unit.
• The mounting area must be above the maximum water level
of the spa and in an area with good drainage to prevent the
accumulation of any water. The top-side panel must not
be submerged.
• If the top-side panel must be mounted underneath a spa cover,
select a mounting location that will prevent the cover from
resting directly upon the panel, but will allow the cover to seal
when closed.

Available for M-2 systems

18

Top-side Panel Installation
Available for M-3 systems

Available for Value Systems

Available for 2000LE Systems

19 19

Top-side Panel Installation
Complete the installation of the top-side panel as follows: Mounting Hole for
1
1. Cut a mounting hole with the dimensions shown on the right. Try Top-side Panel
to insert the top-side panel into the hole. Make sure the hole is 6 3/8”
the proper size before proceeding.
2. Remove all dust and particles from the mounting surface around
the hole. A clean smooth surface that is dry and oil free is
2 3/8”
required for the adhesive on the back of the panel to attain a
good bond.
3. Remove the paper backing from the adhesive on the rear of the 5 3/8”
panel. All of the adhesive should be exposed.
4. Route the connecting cable through the opening and place the
1 5/16”
top-side panel into the opening. Align the panel and press firmly
onto the mounting surface.
5. Remove the front cover from the Control System control enclosure 3 1/2”

and route the connecting cable through the hole in the bottom of
the front left corner as shown in illustration #5 on this page. 1 1/4”

6. Route the connecting cable upward along the left side of the
control enclosure to the top-center of the unit.
7. Plug the connecting cable into the correct socket:
5 Connecting
Lite Leader = Bottom left side of box Cord Plug
M-1 = J4
M-2/M-3 = J1
Value = J1
2000LE = J1
Insert Locking
Latch into Bottom
of Socket

Adapter Bezels

If mounting holes already exist, but the mounting hole is not the You can attach a smaller panel to an already existing, larger
proper size, adapter bezels are available. mounting surface by applying an adapter bezel before installing
the top-side panel.
Simply remove all dust and particles from the mounting surface
around the hole. Remove the paper backing from the adhesive on the
rear of the bezel. Align the bezel so that all edges are equally
overlapping the mounting hole.
After you have secured the adapter bezel, you may follow the
Adapter Bezel
directions above to install the top-side panel into the mounting hole of
the bezel.

20 20

Sensor/Sensor Mount Instructions

B as follows: the spa wall.designed to be mounted
are
alboa sensor mounts are
directly into Installation instructions

Caution: Always route sensor wires away from NOTE: Mount sensor where water is actively moving when heater is
high voltage wires. on and where occupants will not lay against it. Do not mount in the
flow pattern of a water inlet.

10"-12"

Figure 1: Balboa sensor mount assembly

1. Drill a 1.0” diameter hold through spa wall, approximately 10-12” 4. Insert the sensor into the sensor mount until the tip of the sensor
below water level. comes into contact with the retaining bar. On models without a
2. Install Balboa sensor mount body from the inside of the spa using retaining bar, insert sensor until it stops.
silicone as sealant. Make sure contents of silicone are compatible 5. Tighten the “water tight cap” (#2) to securely retain sensor.
with polycarbonate materials, such as GE RTV6800 series or 6. Insulate back of sensor mount completely with spray foam
equivalent (i.e. does not contain methylethylketone, acedtic acid, insulating material. The density of the foam should be
etc.). See Figure 1. 1.75 ± .25 lb/cu. ft. or greater.
3. Install the “flange nut” (#1) and tighten.

Sensor Assembly

21

Auxiliary Freeze Sensor
(Not Available on All Systems)

Installation

Caution: Always route the freeze sensor wire away from
high voltage wires.

1. Turn off the power to the spa. 6. Insulate the optional freeze sensor completely with spray foam
2. Gain access to the equipment compartment of the spa and expose insulating material. the density of the foam should be
the circuit board located in the system box. 1.75 - 2.0lb/cu.ft.
3. Run the optional freeze sensor wire through the same hole as the 7. After the optional freeze sensor has been installed, replace the
regular sensors and pressure switch wires. system box cover and skirt panels of the spa.
4. Install the optional freeze sensor connector onto the control board 8. Restore power to the spa.
(To identify the correct installation location on the circuit board
specific to your model, refer to Appendix A)
5. Install the optional freeze sensor in the area most likely to freeze,
using a zip tie or wire strap as shown below.

22

Ph Sensor
(Only Available on M-2 and M-3 Systems)

IMPORTANT: The pH sensor is a very delicate measuring 10. Install the pH sensor into the 1/2" FPT port of the
device. Keep the wetting cap on until you reach step 7 of the tee previously installed by turning the sensor
procedure. Any small scratch on the bulb will ruin the sensor.
clockwise. Hand tighten only.
Due to possible problems caused by static electricity, please do
not touch any component on the pH circuit board. Handle only
by the outer edges of the board. 11. Feed the BNC connector (from the outside of the
control box) through a hole on the bottom LEFT
INSTALLATION side of the box for a horizontally-mounted system.
Pass the BNC connector through a hole on the
1. Turn the system power off. bottom RIGHT side of the control box for a
vertically-mounted system.
2. Remove the system box cover and close both
slice valves (if applicable). 12. Connect the BNC connector to the pH board. First
align it with its mated connector, then press them
3. Install a 1 1/2" x 1 1/2" x 1/2" FPT or together and then twist to lock them into place.
2" x 2" x 1/2" FPT reducer tee (depending upon
size of pipe configuration) upstream in the 13. Install the system box cover and open the slice
circulation system from the heater. If possible, valves (if applicable).
position the tee so that the through parts are
horizontal and the 1/2 fpt port is rotated 45° 14. Turn the system power on.
from vertical.
Note: If the spa is to be winterized, the pH sensor
4. Press the two stand-offs into the digital control will need to be removed from the spa. Fill the
board. wetting cap with distilled water and reinstall it
onto the sensor. Store the sensor in an
5. Remove the pH jumper from the 4-pin connector appropriate area to prevent freezing. Call Balboa
(J20 for circuit board #25500 or J11 for circuit for detailed instructions.
board #25501) on the control board.

6. Install the pH board onto the control board.

Important! The pH board must be installed
component side up. Make sure that J20 or J11 and
the two stand-offs snap fit into the pH board.

7. Remove the wetting cap by twisting it counter-
clockwise and gently easing it off. It is
recommended that this cap be retained for
future long-term storage.

8. Rinse the measuring end of the sensor with
distilled water.

9. Remove any air bubbles in the bulb by pointing
the pH bulb downward and shaking the sensor
two or three times.

23 23

Section Title Printed Circuit Board Jumper Settings

Jumper orientation
and configuration Logic
Jumper
T he printed circuit boards of Balboa Control Systems utilize
jumpers that control the operation of the Control System
depending upon the model of the system and the top-side control
panel being used. The jumpers are identified on the board with the
letter “J” followed by a number. These jumpers are positioned at the
time of manufacture for specific Control System configurations. For
configurations other than described; call Balboa Instruments.

Important!
The illustrations at left indicate how the logic jumpers are used. If a
jumper is installed on two pins, it is completing a circuit across the
two pins. If it is installed on one pin, the circuit between the two
Open
(Jumper on one pin)
pins is open. Sometimes a logic jumper will be used on a group of
three pins and depending on which two pins have been connected
by the jumper, feature “A” or “B” will be enabled.

Shorted
(Jumper on two pins)

Feature “ A ” Enabled Feature “ B ” Enabled

M-1 Board

24 24

Jumper Settings Lite Leader Control System

LITE LEADER Chart 1.0 KW/4.0 KW heater

Jumper # Function of Jumper Position

J23 Selects 20A/50A logic (20A logic selected)
J32 Selects 50HZ, ºC / 60HZ, ºF operation (60hz, ºF operation selected) 1 pin
J33 2hr/5hr filtration set 1 pin = 2 hr filtration selected

Portion of PC board Note: The Jumper symbols shown here are oriented to correspond to their actual
for Lite Leader showing positions on the printed circuit board as installed.
location of jumpers

= Open Jumper = Jumper Shorted = Selectable Function Jumper

J32 J33 J23

25 25

Lite Leader Electrical Schematics

26

Jumper Settings M-1Control System

M-1 Chart 5.5 KW heater


J7 Selects A: circ / B: non-circ pump option (B: Non-circ pump selected)
J26 Disables pump 2 (Pump 2 disabled)
J13 Selects 50HZ, ºC / 60HZ, ºF operation (60hz, ºF operation selected)
J12 Selects 12V/120V Light 12V selected

for M-1 showing positions on the printed circuit board as installed.
location of jumpers

= Open Jumper = Jumper shorted = Selectable Function Jumper

J26

J7

J8

J13

27 27

M1 Electrical Schematics

28

Jumper Settings M-2 Control System

J6 Selects A: circ / B: non-circ pump option (B: Non-circ pump selected) 1 pin
J7 Selects top-side panel being used (A: Deluxe, or B: Standard) (B: Standard panel selected)
*J10 Disables pump 2 (Pump 2 disabled)
J16 Disables O3 message (03 message disabled)
J24 Disables ORP (ORP disabled)
J25 60HZ, ºF operation only (60hz, ºF operation selected)
J36 Allows memory storage and resets memory (Memory storage allowed)
J17 Selects 120V Fiber optic Fiber optic selected
J12 Selects 12V/120V Light 12V light selected
J11 PH/orp
* No Jet 2 option on M-2 system; J10 must always be jumped.

for M-2 showing positions on the printed circuit board as installed.
location of jumpers

J36 J7 J16 J10 J17 J25 J6

J9

J11

J24

J12

29 29

M-2 Electrical Schematics

30 30

Jumper Settings M-3 Control System

J6 Selects A: circ / B: non-circ pump option (B: Non-circ pump selected) 1 pin
J7 Selects top-side panel being used (Standard panel selected)
Standard Panel: 2pins=7-button with 2 pumps / 1 pin = 6-button with 1 pump Standard Panel: 7-button selected w/2 pumps
J10 Deluxe Panel: 2 pins=2 2-speed pumps / 1 pin = 1-spd + 2-spd pump Deluxe Panel: 2 2-speed pumps selected
J16 Disables O3 message (03 message disabled)
J24 Disables ORP (ORP disabled)
*J25 Selects 50HZ, ºC / 60HZ, ºF operation (Standard panel) (60hz, ºF operation selected)
J36 Allows memory storage and resets memory (Memory storage allowed)
J17 Selects 120V Fiber optic Fiber optic selected
J12 Selects 12V/120V Light 12V light selected
J11 PH/orp
60HZ = 2 pumps
*When Deluxe panel is used, J25 is used for 1- or 2-pump operation 50HZ = 1 pump

for M-3 showing positions on the printed circuit board.
location of jumpers

J36 J7 J16 J10 J17 J25 J6

J9

J11

J24

J12

31

M-3 Electrical Schematics

32

Jumper Settings Value Control System

Value Chart 1.4KW/5.5 KW heater


J21 Selects top-side panel being used (Duplex panel selected)
(software only) 60HZ, ºF operation only (60hz, ºF operation selected)
J22 Selects 12V/120V light (12V light selected)

for Value showing positions on the printed circuit board as installed.
location of jumpers

J22 J23

J-24

J21

33

Value Electrical Schematics

34

Dip Switch Settings 2000LE Control System

2000LE Chart 5.5 KW heater

Dip Switch Function of Jumper Position

S3 Selects circ/non-circ pump option OFF (Non-circ pump selected)
S1 Selects 30A/50A logic ON (30A logic selected)
S9 Disables pump 2 ON (Pump 2 disabled)
S8 50HZ, ˚C / 60HZ, ˚F operation OFF 60HZ selected
S2 12V Light/Fiber optic OFF (J12 in 12V position) 12V selected
S5 Selects pump 1 / 1 spd or 2 spd OFF (2 spd selected)
S7 Selects pump 2 / 1 spd or 2 spd ON (1 spd selected)

S1 MODE OF OPERATION ON OFF
S10 N/A N/A N/A
Dip Switches
Right side S9 1 OR 2 PUMPS 1PUMP 2PUMPS
Portion of PC board of box S8 DEG C/Fº cº Fº
for 2000LE showing S7 PUMP2 1SPD/2SPD 1SPD 2SPD
location of dip switches
S6 N/A N/A N/A
S5 PUMP1 1SPD/2SPD 1SPD 2SPD
S4 AUX. FREEZE MUST BE OFF
S3 CIRC/NONCIRC CIRC NONCIRC
S2 F.O./SPA LITE F.O. SPA LITE
J12 S1 30/50A 30A 50A

35

2000LE Electrical Schematics

36

Electrical Connections (1)

Circuit Breaker
A ll of the electrical wiring methods and materials used to complete
the electrical installation of the Balboa Control Systems must be in
accordance with the National Electrical Code or the Canadian Electric
120V, single 240V, double Code, as well as any local electrical codes in effect at the time of
pole GFCI circuit pole GFCI circuit
breaker, with breaker, with
installation.
load neutral load neutral
terminal terminal
The selection of electrical materials required to accomplish this
installation and the installation of the Control System must be
accomplished by, or be under the direct supervision of, a qualified
electrician.
These Control Systems are classified as “continuous duty appliances”
and are intended primarily for installation at a single family dwelling.
The installation recommendations and instructions contained in this
manual are directed solely toward these issues. Different or additional
electrical requirements may exist if these products are installed other
Load neutral Load neutral than as instructed.
terminal to terminal to
Power Power System GFCI Requirements
System To line neutral
connection or A Ground-Fault Circuit Interrupter (GFCI) is required to be installed in
neutral bar the electrical supply circuit connected to these products. GFCI’s are
ultra-sensitive switching devices, providing the ultimate in safety. The
most common style of GFCI also provides high-current protection as a
Option A circuit breaker.
One of the two configurations of GFCI’s, as depicted on the left, will be
required for your installation, depending upon the options selected.
Main Panel, with GFCI
installed, is within sight Page 37 and 38, Electrical Connections (2) and (3), provide guidance
from the spa.
for selecting the correct GFCI.
Electrical Disconnect
A disconnect must be installed where readily accessible and within sight
5’ minimum
of the spa, but at least 5’ (1.5 meters) from the inside wall of the spa.
The disconnect must open all ungrounded conductors of the electrical
supply connected to the spa.
Option B
If the main panel meets the sight-line and distance criteria, a GFCI
circuit breaker installed in that panel may be used as the disconnect,
as shown in option (A) to the left.
NEW Sub-panel
within sight If a new sub-panel must be installed to meet the sight-line
from the spa.
requirements, as shown in option (B) two possible arrangements exist:
1. The GFCI circuit breaker may be installed in the main panel, and
a suitable switch, circuit breaker or other disconnecting device
Main Panel NOT installed in the sub-panel. (OR)
within sight
from the spa. 2. The GFCI circuit breaker may be installed in the sub-panel,
and a suitably rated circuit breaker (non-GFCI) installed in the
main panel.

37


S tarting below, select the correct voltage for your Control System
and follow the arrows across the page to the right. The path
corresponds to the desired operating voltage of the Control System,
The arrows will direct you to the correct wiring configuration and a
description of the correct Ground-Fault Circuit Interrupter (GFCI) type
circuit breaker to be installed.
and the voltage of any added components such as an air blower, ozone
generator, or a 2nd pump.

Control System 120V

Control System
All components are 120V. Configuration 1
Two-wire, plus ground 120V, single
pole GFCI circuit
This requires Ground/Green breaker, with
load neutral
a single pole GFCI. terminal rated
All single pole GFCI's 20 Amp.
have a load neutral Line 1/Black
terminal as a Load neutral terminal
standard feature. Neutral/White to Control System

Line neutral
connection at
neutral bar
Control System 240V

All components are
120V but the heater
operates at 240V.

This requires a
Configuration 2
two pole GFCI with
Three-wire, plus ground 240V, Double
a load neutral Pole GFCI Circuit
terminal built into Ground/Green Breaker, with
Load Neutral
the unit, as well.
Control System Line 2/Red Terminal.
See page 10
No other GFCI
to determine
will work with Line 1/Black Amp rating.
Configuration #2.
Neutral/White Load neutral terminal
to Control System

Some components are Line Neutral
120V and other Connection at
components are 240V Neutral Bar

Control System 240V

NOTE: All of the GFCI’s shown here have a Line Neutral connecting wire attached.
(The white coil or pigtail in the lower left of each Circuit Breaker drawing.)

38 38

16 Amps from being energized at the same time. For example, when
T he next step in making the correct electrical connections to the
Balboa Control System is to determine the total electrical
requirements of the complete package, including any added options
the high pump and blower are running, the heater does not run. Or, if
the low pump, heater, and the ozone generator are running and the
such as an air blower, ozone generator, or a 2nd pump. blower is activated; the heater automatically turns off. This allows the
For a system operating at 120V, the maximum total Amp system operating at 120V, to use a GFCI circuit breaker rated for 20
draw is controlled by the Control System and is limited to Amps. For this reason, if you add a blower, it must be rated 120V and
16 Amps +10%. It does this by preventing combinations of electrical not exceed 7 Amps. If you add an ozone generator, it must be rated at
loads 120V and not
that exceed
would 2 Amps. For all
exceed other Series Control
Neutral/White

Line 1/Black

Line 2/Red

Ground/Green

If a spa light is not connected, subtract 0.1 amps

Total ampere rating of Control Supply wire size** Ampere rating of
System from the form above Use Copper ONLY, GFCI Circuit-breaker
with 90º C insulation

0A to 16 A* #12 AWG 20
16 A to 20 A* #10 AWG 25
20 A to 24 A* #10 AWG 30
24 A to 28 A* #8 AWG 35
28 A to 32 A* #8 AWG 40
32 A to 36 A* #6 AWG 45
36 A to 40 A* #6 AWG 50

*These amperages may be exceeded **These wire sizes assume a total wire length
by no more than 10% not exceeding 100’ (30 m). For longer
distances, increase wire size accordingly.

39

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