Premium (Programmable) Digital Control - McQuay PDAC Installation & Maintenance Data

Premium (Programmable)
Digital Contol Wiring Diagram
1– Jumper Placement to Select System
Module (See Jumper Detail)
A– Place jumper across AC/HYD to select Air
Conditioner/Hydronic Heat.
B– Place jumper across AC/E to select Air
Conditioner/Electric Heat.
C– Place jumper across AC/HYD/E to select Air
Conditioner/Hydronic/Electric.
D– Place jumper across HP to select Heat Pump.
E– Place jumper across HP/E to select
Heat Pump/Electric.
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 SEC (Secondary) to select
Control by a master unit.
C– Place jumper across T'STAT to select remote,
wall mounted programmable, or non-programmable
thermostat.
4– Jumper Placement to Select
Hydronic Valve:
A– Place jumper across NO to select Normally Open
Hydronic Valve.
B– Place jumper across NC to select Normally
Closed Hydronic Valve.
Jumper Placement Detail
1
A
B
C
D
E
2
A
3
A
C
B
4
B
A
Wiring Diagram Legend
CT = Control Transformer
DM = Damper Motor
CM = Compressor Motor
IFM = Indoor Fan Motor
OFM = Outdoor Fan Motor
HFLO = Heat Fan Lockout Sensor
OCS = Outdoor Coil Sensor
OAS = Outdoor Air Sensor
ICS = Indoor Coil Sensor
IAS = Indoor Air Sensor
LUI = Local User Interface
HYV = Hydronic Valve
REV = Reversing Valve
EHC = Eletric Heat Contactor
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