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User Manual for Landis & Gyr RWB-XP?

Hi,

We've just moved house and found the boiler is programmed using a LANDIS & GYR RWB-XP. However we do not have a manual for this and I cannot work out how to reprogram the thing.

Does anyone have a copy they could send, please, to adrian_rich at talk21.com?

Any help gratefully received.
Adrian., March 2010