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The unit required 2 x AA 1.5V Batteries.
Batteries should operate for approximately 18 months.
Only good quality 1.5v alkaline batteries should be used. dO NOT use re-
chargeable batteries as they only have a terminal voltage of 1.2v nom.
To replace batteries remove battery panel on the front of the room thermostat to
gain access.
Note that if the batteries are removed for more than 30 seconds, the time, date,
and set temperature will be lost.
If the batteries are not replaced and no signal is received by the receiver all 5
lights on the receiver on the boiler will flash on and off.
After 1 hour the boiler will operate in “Emergency Mode” with a continuous, but
reduced temperature until the batteries are replaced.
baTTERy REPLaCEmENT
Batteries - 2x 1.5V LR6/AA
204796-6.indd 18
15/12/2011 14:34:26
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