Uha[X][S] Series Ladder Wiring Diagram - Addison UHA 150 Installation, Operation & Service Manual

10.6 UHA[X][S] Series Ladder Wiring Diagram

FLAME
SENSOR
ELECTRODE
NOTE:
For field wiring into service junction box, or if any of the original wire supplied with the heater
must be replaced, it must be replaced with wiring material having a temperature rating of at least 105° C
(221° F) and 600 volts. For supply connections use No. 14 AWG or larger wires.
AXIAL FAN
AXIAL FAN
FLUE BLOWER
TRANSFORMER
GAS VALVE
PRESSURE SWITCH
3 2 1
6 5 4
IGNITION
Flame
MODULE
Limit Switch Limit Switch (UHA 300,
Spa k
120 VAC
UHA (300, 350, 400 O ly)
350, 400 O ly)
Ma ual Reset Limit Switch
(UHA 30 - 125 O ly)
THERMOSTAT
CONNECTION
SECTION 10: W
IRING
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