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English
System
Model
Function
4 Pipe
System
M3 -
Model 3
Cooling Only with Boiler
M4 -
Model 4
Cooling or Heating with Boiler
The standard controller board (W 2.0) comes with a default setting for model selection :- Model 4. Please select the model
accordingly by using the jumper.
Mini Chiller (Cooling Only)
Boiler
B) VALVE, HEAT AND FAN PRIORITY SELECTION
Jumper
With Jumper (Default)
Without Jumper
Fan Priority Jumper
User set speed or lower fan if auto
mode is selected
Fan Stop when thermostat cut off
Heat Jumper
For Heat pump
For Cooling only
Valve Jumper
For valve control
For valveless control
Coil 1
Coil 2
FCU
Mini Chiller (Cooling/Heating)
Boiler
Coil 1
Coil 2
FCU
HTR
L
Heat Jumper Fan Priority Jumper
N2
LIVE
N1
HI
MED
LOW
CN_TW
CN_PGRM
CN_WIR
ROOM
CN_STP
C_SEN
H_SEN
HEAT
VALVE
CN_DSP
SHED
M4
M3
M2
M1
TFULL
A_FRZ
W_OPEN
UNOCP
SILENT
CVLV
HVLV
WTP
AS
CN_DRY
Valve Jumper
CO_DRAFT
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2/13/2018 2:47:14 PM
2/13/2018 2:47:14 PM