15
InStALLAtIon
Ideal airtherm - Air Source Heat Pump -
Installation
FAULt FInDIng
a. The user checklist below should be carried out before initiating a service call.
b. Do not attempt to interfere with any
internal control settings as these have been factory calibrated and sealed.
c. If in doubt or if advice is required, contact the Ideal Service department on 01482 492251.
LAMP
ACTION
UNIT DOES NOT OPERATE
POWER
FAULT
DEFROST
PROGRAMMER LIVE
MAINS
FAULT
DEFROST
PROGRAMMER LIVE
POWER
FAULT
DEFROST
PROGRAMMER LIVE
RED
AMBER
GREEN
RED
RED
AMBER
GREEN
RED
RED
AMBER
GREEN
RED
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
ON
Check mains supply - external fuses - isolator etc.
Check supply to programmer
Check water and air flows are not restricted
Check Heating pump(s)
FAN OFF COMPRESSOR ON
NO ROOM HEATING OR HOT WATER - UNIT NOT OPERATING
POWER
FAULT
DEFROST
PROGRAMMER LIVE
RED
AMBER
GREEN
RED
ON
OFF
ON
ON
Unit on defrost
Check evaporator is clean
POWER
FAULT
DEFROST
PROGRAMMER LIVE
RED
AMBER
GREEN
RED
ON
OFF
OFF
ON
Is programmer set to an "ON" period
Check input in terminal 1 or 9
NO ROOM HEATING OR HOT WATER - UNIT OPERATING
POWER
FAULT
DEFROST
PROGRAMMER LIVE
RED
AMBER
GREEN
RED
ON
OFF
OFF
ON
Check domestic heating system
AT9634
The machine is fitted with a “Smart Starter” (situated on electrics panel) which prevents damage to the compressor within the heat
pump. This smart starter has an LED which indicates fault conditions as follows:
- Ready to accept a start command:
a double blink every 5 seconds.
- 3 minute cycle delay:
1 flash per second.
- Fault mode:
slow flash, 5 sec on, 5 sec off.
- Low voltage:
fast flash, 10 per second.
