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8
The W561 WiFi Thermostat operates a radiant floor heating system. The thermostat
uses both air and floor temperature sensors. The air temperature sensor can be either
built-in and/or external.
B1
BP
PS
V1
S1
S2
T1
ZVC1
Legend
ZVC1
W561 WiFi Thermostat
C
R
RH1
W1
AWAY
S1
S2
SEN
COM
Zone Valve Control or
Switching Relay
C
R
AWAY
W
B1 = Boiler
BP = Boiler Pump
PS = System Pump
T1 = W561 WiFi Thermostat
S1 = Floor Sensor 079
S2 = Optional Indoor Sensor 084
V1 = Zone Valve
ZVC1 = Zone Valve Control 304V or 306V
Mechanical
Electrical
Application W561-3