Optional Electric Heater - Sinclair STHERM SMH IRB Series Installation Manual

Step 3. Wired controller setting
Other thermal should be selected "with" if necessarily from COMMISION → FUNCTION,then set switch on
(outdoor)temperature and control logic(1/2/3).

13. Optional Electric Heater

Optional electric heater is allowed for the equipment and controlled in such a way when outdoor temperature is
lower than the set point for startup of the optional electric heater.
Step 1. Optional electric heater installation
Optional electric heater should be installed with monobloc unit in series.Moreover,an accessory called optional
water temperature sensor(5 meter length) shall be installed at the same time.The optional electric heater could be
1group or 2 group, and only works fo space heating.
Monobloc Unit
.
Optional
Water Temp.
Sensor
3-Way
Valve 2
2-Way
Optional
E-heate r
Valve 1
31
Mixing
Floor
Valve
Temp.
Water Pump
Tank Temp. of
Heatpump syste m
Water Tank EH
Water Tank