Specifications

Page 36 of 48 IM 934-5
Premium (Programmable) Digital
Control Board – Jumper Placement
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.
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 SLAVE to select SLAVE 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.
B
Jumper Placement Detail
3
2
1
C
A
4
D
E
A
A
B
C
A
B
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 = Electric Heat Contactor