Installation Manual

Canadian Air Handler Installation and Operation Manual 25
R V/W 2 W1 Y2 Y1 G C DH O 1 2
LOW VOLTAGE/BASSE TENSION
Wire leads removed for clarity.
120V Pump Supply
120V Power Supply
24V Thermostat Terminals
L1
N N
P
Power and external pump
power terminals.
A single stage or two stage thermostat must be installed with the
air handler.
Thermostat Field Connections (use depends on the applica-
tion)
• Dh—Used for dehumidification contact.
• R—signal is 24V hot to thermostat.
• W1—signal controls first stage heat from the thermostat. If a
single stage thermostat is used, connect W to W2.
• W2—signal from a two-stage thermostat.
• Y1—Connection for the low speed compressor operation.
• Y/Y2—Connection for the Y signal or high speed (Y2) signal
from the thermostat.
• G—Connection for the G (fan) signal is energized from the
thermostat.
• O—Not used with this model air handler.
• C—Connection for the C terminal to the thermostat (24V
common).
• 1 and 2—not used for this product.
P = Pump Line Wire Terminal
N = Pump Neutral Terminal
N = Air Handler Neutral Terminal
L1 = Air Handler Line Wire Terminal