Zmr Heating Hontrol 2020

HEATING CONTROLZMERLY ACADEMY - 2020
What is a heating Control for
The Controller is the BRAIN
of your Heating system
Energy Saving
Thermal Comfort
Longer life for your system
Ease of Use

Heat Losses from Buildings
Ti=20°C
To=0°C
Heat
Losses
2m
0m
Flow of
Water
∆H=2m
∆T1=Ti-To=20°C

Ti=20°C
To=0°C
2000W
2000W
2m
0m
2000l/h
2000l/h
How to maintain the indoor temperature

To=0°C
2m
0m
0l/h
What if we turned the heating system OFF
Ti=20°C
0W
1.5m
1m
0.5m
Ti=15°CTi=10°CTi=5°C
2000W1500W1000W500W

Ti=20°C
To=0°C
2000W
2000W
Ts=80°C
Tr=60°C
>80°C
Design Temperature
Tm=70°C
Design Temperature
80-60/20
∆T2=Tm-Ti ∆T2=50°C
80°C
60°C
80°C
65°C
75°C
60°C
75°C
65°C

Variable Flow Temperature
Ti=20°C
2000W
Tm=70°C
Ti=20°C Ti=20°C
To=0°C To=8°C To=12°C
2000W 1200W 800W
∆T1=20°C
High season
∆T1=12°C
Medium season
∆T1=8°C
Low season
1200W
Tm=50°C
800W
Tm=40°C
∆T2=50°C ∆T2=30°C ∆T2=20°C

No control Mechanical Electro
mechanical
Weather-
compensated
heating controllers
IoT
ON/OFF Switch Thermostatic
Radiator Valve
Mechanical Actuator
Room thermostat
SPDT thermostat
Manual
Radiator Valve
Low pressure switch
Boiler Control STB
Actuator
Timer
Connecting Block
Electronic Controller
Room Sensor
Room Controller
Immersion Sensor
Outdoor Sensor
WIFI Thermostat
WIFI Controller
Online Server
Mobile Application
Types of Heating control

Thermostatic Radiator Valve
Swimming pool
Bathroom
Work room or children’s
bedroom
Living or dining rooms
(Basic setting)
Hobby room, bedroom
All rooms at night
(nighttime reduction)
Stairway, vestibule
Basement/cellar rooms
(frost protection setting)
Kitchen, corridor

Thermostatic Radiator Valve Installation
Underfloor
convector
Built-in
cabinet
Incorrect
The thermo-
static head
with built-in
sensor may
not be
mounted
vertically.
Correct
The remote sen-
sor enables an
unhindered
reading of the
air temperature
in the room.
Correct
Circulation of
air around the
thermostatic
head is not
hindered.
Incorrect
The thermosta-
tic head with
built-in sensor
may not be
covered by
curtains.
Supply Return
3/4”
25
100
50 30

Mechanical Control Valves

Thermostatic Mixing Valve
MIN
T

Return Temperature Limiter

STB Boiler Basic Controller

SPDT Thermostat (single-pole, double-throw)

Room thermostat

Advanced Room thermostat

Door opening zone
20cm
Min
Room Thermostat Installation

Electromechanical Control Applications

21
18
23
23
21
21
18
Individual Room Thermostat

Connecting Block

Room Temperature
Indoor Temperature To Tday Tnight
Dwellings
Living, Bed room, Kitchen,
Dining, Dressing room
21 °C 17 °C
Bath, Shower 23 °C 17 °C
Entrance, Release, Corridor,
Stairway, laundry, Store
18 °C 15 °C
Schools, Universities
Classroom, Library, Permanence
19 to 21
°C
15 °C
Access, Halls, Releases,
Circulations, Stairway
15 °C 12 °C
Gymnasium, Workshops 18 °C 15 °C
Light workshops 21 °C 17 °C
Shower 23 °C 17 °C
Polyvalent rooms, Restaurants 18 °C 15 °C
Dorms, chambers, Cloakroom 21 °C 17 °C
Administration, Ganitor 21 °C 17 °C
Indoor Temperature To Tday Tnight
Offices
Offices 21 °C 17 °C
Hospital, Private clinic
Patients rooms
20 - 22
°C
17 °C
Operating rooms 26 °C
Rooms of radio 22 °C
Rooms of consultation 22 °C
Rooms of breeding of the
premature ones
25 - 30
°C
Infants 22 °C
Rooms of spectacle
Removed external clothing 18 °C
Preserved external clothing 14 °C

Weather-compensated
heating controllers

Outdoor Reset

Heating Curve
Ti=20°C
Tm=70°C
To=0°C
Ts=80°C
Tr=60°C
Ti=20°C
To=20°C
Tm=20°C
Ts=20°C
Tr=20°C
OutsidedesignTemperature
Supply design Temperature
Desired Room Temperature
DesiredRoomTemperature

Heating Curve Stiffness (Slope)
Slope =
Rise
Run
=
y2 − y1
x2 − x1
(𝒙 𝟐, 𝒚 𝟐)
(𝒙 𝟏, 𝒚 𝟏)
𝐒 =
𝐓𝐬 − 𝐓𝐢
𝐓𝐢 − 𝐓𝐨

Different Heating Systems

Day Setback and Night Setback

Temperature Control

Boiler Control

Controllers

Domestic Hot Water Control

Scalding
LegionellaDHWSafeTemperature
Domestic Hot Water Areas of Risk

DHWControl
DHWCirculation
DHWPriority
SolarWaterHeating

DHWOptimizationDHWSetback
OptimumStart
HWDesinfection

Forced Circulation

IOT

Kelvin

WIFI Room thermostat

Spring Loaded valve with Actuator

Spring Loaded valve – Diverting only

Ball Motorized Valve

Solenoid Valve

Three way Mixing Valves – Spring Loaded

Three way Mixing Valves – Motorized

2019
ISO 9001:2015
By Bureau Veritas.
2019
Energy Globe Award -
Austria
2018
EGBC - Mena Green
Building Award
Dubai
2019
AEE - Best Corporate
Energy Management in
the Middle East -
Washington
2019
UNDP, IPT - Energy
Awareness Award -
Lebanon
www.zmerly.com
Thank you
‫مالحظة‬:،‫محفوظة‬ ‫غير‬ ‫لدينا‬ ‫النشر‬ ‫حقوق‬
‫ال‬ ‫تعميم‬ ‫بهدف‬ ‫التوزيع‬ ‫و‬ ‫النسخ‬ ‫بإمكانكم‬‫فائدة‬.

Zmr Heating Hontrol 2020

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