16 Installation Manual 2014 - Riv 2
Dip Switch Settings
Both internal and external Units have a bank of PCB dip switches. These should be checked
prior to initial start-up to ensure correct operation of the Heat Pump.
Any changes to these settings should be carried out with the Heat Pump powered down to
enable the PCB to recognise these changes.
The settings are as follows:
External Unit
Heat Pump Model DS 1 DS 2 DS 3 DS 4 DS 5 DS 6 DS 7 DS 8
LC 07 On Off On On On Off Off Off
LC 10 Off Off On On Off Off Off Off
LC 12 On On On On On Off Off Off
Lc 15 On On On On Off Off Off Off
Internal Unit
Volt Free : 1 ON, 2 OFF
1-10 Volts: 1 ON, 2 ON
N.B. For Heat Pump operation ensure Electric Heater switch is ‘ON’. For Boiler operation
turn switch to ‘Boiler’ (not applicable to all units).
Backup Heater
In the event of a system failure the back-up heater can be used to ensure continued hot
water and central heating. The following procedure should be carried out to facilitate this
option:
LC12/LC15: To isolate inverter compressor set Dip Switch 3 to off.
To isolate fixed speed compressor set Dip Switch 2 to off.
LC7/LC10: To isolate compressor and use backup heater set Dip Switch 3 to off.
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