Grundfos UPM3 User Manual

The AUTO
ADAPT
function enables the pump to control the pump
performance automatically within a defined performance range:
• adjusting the pump performance to the size of the system
• adjusting the pump performance to the variations in load over
time.
In Proportional pressure AUTO
ADAPT
, the pump is set to
proportional-pressure control.
7.7 Constant pressure
The head (pressure) is kept constant, irrespective of the heat
demand.
The duty point of the pump moves out or in on the selected
constant-pressure curve depending on the heat demand in the
system.
TM060705
• CP1: lowest constant-pressure curve
• CP2: intermediate constant-pressure curve
• CP3: highest constant-pressure curve
• AUTO
ADAPT
: highest to lowest constant-pressure curve.
The AUTO
ADAPT
function enables the pump to control the pump
performance automatically within a defined performance range:
• adjusting the pump performance to the size of the system.
• adjusting the pump performance to the variations in load over
time.
In constant pressure AUTO
ADAPT
, the pump is set to constant-
pressure control.
7.8 Constant curve
The pump runs on a constant curve, which means that it runs at a
constant speed or power.
The duty point of the pump moves up or down on the selected
constant curve, depending on the heat demand in the system.
TM060805
Head [m]
UPM3
XX-20
UPM3
XX-50
UPM3
XX-70
UPM3
XX-75
UPM3
XX-105
UPM3
XX-145
CC1 1.0 3 5 5 6.5 8.5
CC2 1.5 4 6 6 8.5 10.5
CC3
(max.)
2 5 7 7.5 10.5 14.5
7.9 PWM A profile (heating)
The pump runs on constant speed curves depending on the current
PWM value.
The speed decreases when the PWM value increases. If PWM
equals 0, the pump runs at maximum speed.
TM060706
Head [m]
PWM pro-
file
UPM3
XX-20
UPM3
XX-50
UPM3
XX-70
UPM3
XX-75
A1 1.0 3 5 5
A2 1.5 4 6 6
A3 (max.) 2.0 5 7 7.5
MAX
UPM3
XX-20
UPM3
XX-50
UPM3
XX-70
UPM3
XX-75
A1 1.0 3 5 5
A2 1.5 4 6 6
A3 2.0 5 7 7.5
7.10 PWM C profile (solar)
The pump runs on constant speed curves depending on the current
PWM value.
Speed increases when the PWM value increases. If PWM equals 0,
the pump stops.
TM060707
Head [m]
PWM
profile
UPM3
XX-50
UPM3
XX-70
UPM3
XX-75
UPM3
XX-105
UPM3
XX-145
C1 3 5 5 6.5 8.5
C2 4 6 6 8.5 10.5
C3
(max.)
5 7 7.5 10.5 14.5
14
English (GB)

Grundfos UPM3 Specifications

General

Brand	Grundfos
Model	UPM3
Category	Water Pump
Language	English