AAON WH Series User Manual

45
AAON WSHP Pioneer Silver Expansion
Board
Part Number: V75410
Description
The Water-Source Heat Pump Pioneer
Silver Expansion Board is used in
conjunction with the Water-Source Heat
Pump Pioneer Silver Controller. The
expansion board contains a port for
communications to the main controller.
NOTE: When the expansion board is
connected, the H5 terminals on the main
controller will not be used. The H4 terminals
on the expansion board must be used to
connect to the thermostat.
General Specifications
Electrical
Supply Voltage
24VAC (+25%/-15%), Class 2
Supply Power
10VA
Outputs
Relay Outputs: 1A maximum per output.
Input Requirements
Resistive Inputs: require 10K Type 3
Thermistor
24VAC Inputs: Inputs provide 4.7kΩ Load
Environmental
Operating Temperature
32 to 158°F (0 to 70°C)
Storage Temperature
-4 to 158°F (-20 to 70°C)
Humidity (Storage and Operating)
0-95% RH non-condensing
Mounting & Dimensions
Mounting
Board is mounted via four shoulder eyelets
located on the corners of the circuit board.
Dimensions
6.5” x 4.0”
Inputs and Outputs
Pluggable Screw Terminal Block H4
G = Thermostat input for fan operation.
Input requires 24VAC to activate.
Y1 = Thermostat input for compressor stage
1 operation. Input requires 24VAC to
activate.
Y2 = Thermostat input for compressor stage
2 operation. Input requires 24VAC to
activate.
O = Thermostat input for reversing valve
operation. Input requires 24VAC to activate.
DH = Dehumidistat input for
dehumidification operation. Input requires
24VAC to activate.
W1 = Thermostat input for Auxiliary Heat 1
operation.
W2 = Thermostat input for Auxiliary Heat 2
operation.
AL = 24VAC wet alarm output
R = 24VAC power output for thermostat.
NS_TH = Night Setback compressor enable.
Input requires 24VAC to activate.
NS_OV = Night Setback override input.
Input requires 24VAC to activate.
C = 24VAC common for thermostat power.
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

AAON WH Series Specifications

General

Brand	AAON
Model	WH Series
Category	Heat Pump
Language	English