Standard (Non-Programmable) Digital Control Board - McQuay PDAE Installation & Maintenance Data

Standard (Non-programmable)
Digital Contol Wiring Diagram
1– Jumper Placement to Select
System Module (See Jumper Detail)
A– Place jumper across AC/E to select Air Conditioner
with Electric Heat.
B– Place jumper across HP to select Heat Pump.
C– Place jumper across HP/E to select Heat Pump
with Electric Back-up Heat.
2– Jumper Placement to Select Fan Control
A– When in Fan Cycle Mode, fan operates for 2
minutes – Place jumper across 10, 20,
30, or 1 HR to select fan cycle off minutes which
will be overridden by the room temperature.
3– Jumper Placement to Select
Controller Type:
A– Place jumper across LUI to select unit mounted
touchpad (Local User Interface).
B– Place jumper across T'STAT to select
remote, wall mounted programmable, or non-
programmable thermostat.
Jumper Placement Detail
1
A
B
C
2
A
3
B
A
Wiring Diagram Legend
CT = Control Transformer
CM = Compressor Motor
IFM = Indoor Fan Motor
Outdoor Fan Motor
OFM =
Outdoor Coil Sensor
OCS =
Outdoor Air Sensor
OAS =
ICS = Indoor Coil Sensor
IAS = Indoor Air Sensor
LUI = Local User Interface
REV = Reversing Valve
EHC = Eletric Heat Contactor
IM 950-1 / Page 29 of 38