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COMMISSIONING
The modes are:
Flashes
solid green
(remains on)
1 x green
2 x green
3 x green
4 x green
long green
rapid green
no green
(remains off)
Flashes
1 x red
3 x red
4 x red
5 x red
6 x red
7 x red
8 x red
9 x red
solid red
(remains on) +
solid green
(remains on)
Operational Modes
Standby mode – water is hot
Call for heating received – system checks performed
Note: unit may wait and continue flashing until compressor has
cooled from its last operation
Heat pump preheating
Heat pump operation – compressor and fan running
Freeze protection operation – circulator on
Heating unit on – ambient air temperature
below 3°C to 5°C or above 45°C to 55°C
System start up – heating unit on
No power at the water heater or to the heat pump
or a possible fault condition
Refer to notes overleaf before calling for service
Indicator or Fault Modes
Heating unit on
Heating unit on
Heating unit on
Heating unit on
Heating unit on
Heating unit on
Heating unit on
Heating unit off
Heating unit off
compressor over temperature
(possible circulator fault)
compressor cooling fault condition
tank thermistor fault condition
evaporator thermistor fault condition
compressor thermistor fault condition
heat exchanger water outlet sensor fault
water flow fault condition
refrigeration system (compressor)
fault condition
Call for service
system reset – release button
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