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IM 934-5
Page 37 of 48
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.
3
2
1
Jumper Placement Detail
C
A
B
A
B
A
Wiring Diagram Legend
CT
=
Control Transformer
CM
=
Compressor Motor
IFM
=
Indoor Fan Motor
OFM =
Outdoor Fan Motor
OCS =
Outdoor Coil Sensor
OAS =
Outdoor Air Sensor
ICS
=
Indoor Coil Sensor
IAS
=
Indoor Air Sensor
LUI
=
Local User Interface
REV =
Reversing Valve
EHC =
Electric Heat Contactor
Standard (Non-Programmable)
Digital Control Board – Jumper
Placement
1– Jumper Placement to Select System Module (See
Jumper Detail)
A
– Place jumper across AC/E to select Air Conditioner
with Electric 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.
Summary of Contents for McQuay IM 934-5
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