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2/3 Identify the wires
If you are replacing a wireless
thermostat, remove your former
thermostat's relay.
If you are installing your first ther-
mostat, you may have to remove
the shunt between the two room
thermostat terminals.
Connect the black and grey wires
of the boiler adaptor cable to
the room thermostat terminals
(no polarity).
10
L
/ L
S
R
or
TA
or
RT
Thermostat terminals
black and grey wires
No polarity
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