RET2000
10
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Manual Override
During normal Thermostat operation the CH button on the
receiver will light when the device is calling for heat (or cooling
depending on mode). Should communication between the
thermostat and receiver fail, manual override is possible by
pressing the CH button once; the heating/cooling system will
remain on during manual override as indicated by the lit CH
button. Press CH button again to cancel manual override. When
communication is re-established the thermostat and receiver
will return to automatic control.
Warning – Leaving the system in manual override will result in
the boiler heating continually and will result in higher energy
usage.