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AFR
- WATERFAN HEATER
Manual
13
Automatic control-installation
Comfort panel description
ON/OFF
– turning ON/OFF a unit
I-II-III
– switch for fan speed regulation
HEAT
- thermostat sends signal for valve and actuator
and fan, fan turns off when temperature in room is achie
-
ved, valve/actuator closes water supply.
FAN
– function not active, unit will not operate when FAN
switch is selected
COOL
– termostat sends signal only to fan, fan begins
operation starting from temperature which is set on ther-
mostat (function used to air mixer HEATER MIX or for
room ventilation in summer season)
First start
Do all the connections (electrical, water and automatic control), check for tightness
of all connections done by an installer and air-release/vent the device then start the
device in the following sequence:
1. Switch on the mains,
2. Set requested speed of fan on revs controller,
3. Set requested temperature on thermostat,
The fan operates continuously irrespective of whether the heater’s valve is opened or
not.
Turning off
To switch the device off do the following:
1.Set minimum temperature on thermostat – after 7 seconds valve will be clo
sed and heating switched off.
2.Set main switch to the “0” position (off); fan will be switched off and the ther
mostat will be off the power.
