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To Switch the Heat Pump ON or OFF (via the Display
Pad)
To switch the heat pump ON:
1.
First, check the power supply to the heat pump is switch ON at the
weatherproof isolator. This is usually located outside next to the heat
pump.
2.
Press and hold the ON/OFF switch (1) for 3 seconds. Refer to Figure 3.
3.
When the Green LED is lit the heat pump is ON.
To switch the heat pump OFF:
1.
Press and hold the ON/OFF switch (1) for 3 seconds. Refer to Figure 3.
2.
When the Green LED is no longer lit the heat pump is OFF
Green LED
Figure 3: ON button with indicator LED
Whilst the heat pump is switched ON and
ready to operate it may not start!
NOTE
In order for the heat pump to start (when it is switched ON) there must also
be a 'demand' from the heating system controls. Refer to the 'Heating System
Controls' section of these User Instructions.
To Switch the Heat Pump ON or OFF (without the
Display Pad)
Your heat pump may have been installed without a display pad connected.
If this is the case, you can still switch the heat pump off by simply switching
the external electrical isolator to OFF. This isolator is usually located on the
outside wall of your house next to the heat pump.
If the electrical supply to the heat pump is
switched off at the external isolator, the frost
protection function will NOT operate. Refer
to the 'Frost Protection' section of these User
Instructions.
NOTE
To switch the heat pump back on: Switch the external electrical isolator back
to ON.
Even when the heat pump is switched ON and
ready to operate it may not start!
NOTE
In order for the heat pump to start (when it is switched ON) there must also
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be a 'demand' from the heating system controls. Refer to the 'Heating System
Controls' section of these User Instructions.
Display Pad Panel
The operation of the heat pump is indicated in the top right hand corner of the
display padscreen using the following symbols:
This indicates the frost protection is activate. Refer to the 'Frost Protection'
section of these User Instructions.
This indicates the defrost cycle is active.
This indicates a heating demand. If this is displayed on the display pad
screen the programmer and room thermostat are 'calling'
If the 'sun' symbol is fl ashing it indicates that the heat pump is in the
heating mode but the heating has stopped due to a hot water heating
demand that has priority.
This indicates a hot water demand. If this is displayed on the display pad
screen the programmer and cylinder thermostat are 'calling'
This indicates the heat pump fan is running.
This indicates the circulating pump (in the heat pump) is running.
This indicates the heat pump compressor is running.
If this symbol is fl ashing it indicates that the operation of the compressor is
being delayed by the internal controls of the heat pump. This delay should
normally stop after a short period and the compressor (and heat pump)
will operate.
Figure 3: ON button with indicator LED
User Instructions
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