Buderus Logamax plus GB162 Applications Manual page 27

L
120
RC 35 room control unit
18AWG
Connection to
EMS (boiler)
7
Wall Mounting
Bracket
18AWG
* Connection
* If room sensor is not used, leave factory
to external
installed jumper in place.
room
temperature
sensor
Ground yel/grn must not be used as a control line.