AAON WH Series User Manual

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Pluggable Screw Terminal Block H5
24V = 24VAC power output for thermostat.
NS_OV = Night setback override input.
Input requires 24VAC to activate.
O = Thermostat input for reversing valve
operation. Input requires 24VAC to
activate.
COM = 24VAC common for thermostat
power.
G = Thermostat input for fan operation.
Input requires 24VAC to activate.
NS_TH = Night setback compressor enable.
Input requires 24VAC to activate.
Y = Thermostat input for compressor
operation. Input requires 24VAC to
activate.
AL = 24VAC wet alarm output.
Pluggable Screw Terminal Block H1
+ = Network terminal used for
communication with the expansion board.
- = Network terminal used for
communication with the expansion board.
S = Shield
Quick Disconnect Terminals
P1 - AUX = Auxiliary alarm terminal. Dry
contact with AUX IN enables alarm.
P2 - AUX IN = Auxiliary alarm terminal.
Dry contact with AUX enables alarm.
P3 - TEST = Delay override terminal. Dry
contact with TEST IN enables the delay
override function.
P4 - TEST IN = Delay override terminal.
Dry contact with TEST enables the delay
override function.
Wiring Harness H3
PURPLE = Evaporator coil temperature
sensor. To be used with 10k Type III
thermistors.
WHITE = Evaporator coil temperature
sensor. To be used with 10k Type III
thermistors.
TAN = Refrigerant temperature sensor. To
be used with 10k Type III thermistors.
GRAY = Refrigerant temperature sensor.
To be used with 10k Type III thermistors.
PINK = Not used
BROWN = Condensate drain pan sensor
input.
GREEN = Low pressure switch. Input
requires a normally closed switch.
ORANGE = Low pressure switch. Input
requires a normally closed switch.
BLACK = High pressure switch. Input
requires a normally closed switch.
YELLOW = High pressure switch. Input
requires a normally closed switch.
RED = 24VAC power.
BLUE = 24VAC common.
Wiring Harness H6
BLACK = Reversing valve 24VAC output.
RED = Reversing valve common wire.
BLUE = Fan 24VAC output.
BROWN = Fan common wire.
GREEN = Compressor contactor 24VAC
output.
WHITE = Compressor contactor common
wire.
Alarm Status LED D5
See Table 9 for flash codes.
Relay Status LEDs
COMP = Compressor Relay
ALARM = Alarm Relay
FAN = Fan Relay
RV = Reversing Valve Relay
Dip Switch SW1
See Table 10 - Glycol Percentage Setpoints

AAON WH Series Specifications

General

Brand	AAON
Model	WH Series
Category	Heat Pump
Language	English