Addison UHAS 150, Installation, Operation & Service Manual

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SECTION 10: W
IRING
23 of 59
10.4 Low Voltage Thermostat with Multiple Heaters (Models UHA[T][X][S]150 - 250)
N L
Gnd.
N L
Gnd.
L
N
Gnd.
120V-60 Hz
NOTE: If both the heat and fan only operations are to be used, two relays will be required per group of heaters.
supply circuit
Low Voltage Thermostat
R C
W
G Y
1
2
3
4
5
6
COIL COIL Black
Black
White Red
Transformer Relay FRONT VIEW BACK VIEW
N L
Gnd.
Heater 3 Heater 4
Heater 1 Heater 2
N L
Gnd.
Purple
Red/Yellow
Model Relay Type Relay Part Number Max. Number of Heaters
UHA[T][X][S]150 - 250 DPST 90436300 4