Neptronic electric Steam humidifierE

3. • Permanent S/S evaporation chamber
• Patented water level control sensors
• Tubular heating elements with high
coefficient of thermal expansion
• Electric compartment separate from
boiling compartment
• Allows easy access for servicing
and wiring
• Easy maintenance
Approved with 2 year warranty

4. Electronic and display
Boiling Compartment
Steam Supply

5. Power supply
connector
Unique fill/drain
connector
Drain pump
Easy to remove
S/S permanent evaporation
chamber
2 fill valves for
integrated drain
cooler
Boiling Compartment
Foam sensor

6. Water level sensor
(mass and temperature)
EPDM gasket
Foam sensor
Evaporation Chamber
Heating Element

7. • Stainless steel, Teflon coated mass sensing probe
• Water mass is independent of water quality
The unique AFEC® system designed for:
1. maximizing energy efficiency of humidifiers
2. reducing maintenance time and cost
3. Ability to operate with any type of water:
1. Tap water: soft or hard
2. DI (de-ionized water),
3. RO (Reverse Osmosis)
AFEC ® (Anti-Foaming Energy Conservation System)

8. POWER
Unit is connected
to power source
CHECK
Unit indicates an abnormal
condition of operation
(i.e. blocked water supply )
Or when flashing service is
required
FILL
Water supply valve is open
STEAM
Humidifier is on and there is a
humidity demand
DRAIN
Unit is in drain cycle
AUTO
Automatic operation
DRAIN
Unit is in manual drain mode
OFF
Unit is off

9. Model
Capacity
lb/hr
Power
kW
Amperage
Nb of
outlets
Dia. of
outlets240V
/1ph
208V
/1ph
208V
/3ph
480V
/1ph
480V
/3ph
600V
/1ph
600V
/3ph
SK302 6 2 8.5 10 - 4.5 - 3.5 - 1 1-3/8”
SK304 12 4 17 19 11.5 8.5 5 7 4 1 1-3/8”
SK306 18 6 26 30 16.5 13 7.2 10.5 6 1 1-3/8”
SK310 30 10 - - 28 - 12 - 10 1 1-3/8”
SK314 40 13.5 - - 38 - 16.5 - 13.5 1 1-3/8”
SK320 60 20 - - 57 - 25 - 20 2 1-3/8”
SK330 90 30 - - - - 36 - 30 2 1-3/8”
SK340 120 40 - - 120 - 50 - 40 2 2-1/8”
SK360 180 60 - - - - 72 - 60 3 2-1/8”
Master & slave configuration : up to 540 lb/hr (3 X 180 lb/hr)

10. Larger Capacities
Model
Capacity
lb/hr
Total
kW
Voltage Amp
SK370 210 lb/hr 70 kW
480 Vac 84 A
600 Vac 70 A
SK380 240 lb/hr 80 kW
480 Vac 96 A
600 Vac 80 A
SK390 270 lb/hr 90 kW
480 Vac 109 A
600 Vac 90 A

12. • ON/OFF or modulating control functions
• Jumper Selectable
• 0-10 VDC, 2-10 VDC, 4-20 mA
• BACnet compatible
• Holding temperature (70 ºC) for close RH % control
• + /- 1% RH accuracy output

13. Steam Distribution
S.A.M.
Steam Absorption Manifold
Multi Steam
Short Absorption Manifold
SDU
Space Distribution Unit

14. Roof Mounted outdoor unit
• Fully insulated cabinet
• In program low temperature protection
• Connection on side or through pipe chase
• Optional electrical comparment cooler
for hot & dry climate region