Alpha Climatic Installation & User's Instructions page 29

RF SIGNAL RECOMMISSIONING FEATURE
Access the engineer's menu by pressing menu followed by the minus button to get
to the CODE function. The engineer's code is 9977.
Press OK and four zeros will appear with the first flashing.
Press plus repeatedly until the first zero is at 9 then press OK to go to the next zero,
again press plus until this is at 9 and OK.
Repeat for the next two but pressing plus until they are at 7 (9977).
RF>CHK will appear on the screen press OK and RF>REM will appear if they are
already commissioned or RF>INS will appear if they are not commissioned.
Press OK again and RF>>>> will appear meaning the unit is searching for the
receiver.
During this process the transmit button on the receiver PCB must also be pressed
for four seconds and the light is flashing.
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