Application Brochure

© 2013 553_A - 04/13
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A Watts Water Technologies Company
2 Heat / 1 Cool / 1 Fan
553_A-3
Description
The 553 operates a radiant floor as the first stage of heat and a furnace as the second
stage of heat. An air conditioner provides cooling. The fan operates with the heating
and cooling or independently for ventilation.
Setup Menu Essential
Setting
Y Relay AC
W Term OTHR
ACC Relay W2
W2 Term FURN
G / O Relay FAN
ACC
Y
G
W
Outdoor
Sensor
070
553
Air Conditioner
Furnace and Fan
Boiler
Radiant Floor
Wiring
Center