© Danfoss | 2022.11| 21
LGB53080
Termix VX-IV - 3 Series DS Fully insulated
Grundfos UPM3 AUTO instructions
Control mode
Each push on the button switches to the next program setting.
The choice of operation mode depends on the type of heating
system and the pressure loss in the system.
Remark:
The circulator pump should run for 10 minutes during the first installation.
Function
/ PP
Green
/ CP
Green
Yellow
Yellow
Yellow
Proportional pressure Auto adapt
•
Constant pressure auto adapt
•
Proportional pressure 1
•
•
Proportional pressure 2 (factory setting)
•
•
•
Proportional pressure 3 - Max
•
•
•
•
Constant pressure 1
•
•
Constant pressure 2
•
•
•
Constant pressure 3
•
•
•
•
Constant curve 1
•
Constant curve 2
•
•
Constant curve 3 - Max
•
•
•
Function
/ PP
Red
/ CP
Green
Yellow
Yellow
Yellow
Power supply failure
Blocked
•
•
Supply voltage low
•
•
Electrical error
•
•
Alarm status
Settings
Recommended Circulator Pump Settings
The circulator pump (10) setting will be individual to each installation, dependent on the pressure drop across the secondary circuit and the space
heating design flow rate.
The below recommendations are intended as a guide.
PP 1
PP 2
PP 3
CP 1
CP 2
CP 3
CC 1
CC 2
CC 3
Traditional TRVs
•
•
•
Pressure Independent TRVs (PITRVs)
•
•
Traditional UFH
•
•
•
UFH with pressure Independent inserts
•
•
•
•
