Operating instructions
IM 950-1 / Page 28 of 38
B
Jumper Placement Detail
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 secondary (SEC) to select 
  secondary control by a primary 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. 
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   =  Eletric Heat Contactor










