Computherm E300 - Page 13

- 13 -
ply cable of the device to be controlled should be cut o󰀨 and
connected to connection points COM-NO(3-4)orK2(8-9) of
the thermostat (Figure4).
Forcontrollingamulti-zoneheatingsystem
Within the loadability limits the two parallel operating relays built
in the thermostat make simultaneous actuation (open/close,
start/stop) of other electrically operable ttings (e.g. zone valve,
pump) possible, in addition to starting up the boiler. Thus, using
Figure 3 Figure 4