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Assembly instructions | Grundfos UPM3 Auto 15/70
Electrical contact
The pump's electrical contact should be connected
to a 230 V 50 hz socket by a qualified electrician in
accordance with the diagram above. This contact
no longer requires a 2-pole switch disconnecter.
The electrical contact should be equipped with a
slow-blow fuse of up to 10 A. The pump should
be disconnected from the mains before any main-
tenance work.
Alarm codes
In the event of an operating problem then a fault
code will be displayed as below.
Display
Indication Operation
Action
Red LED,
Yellow LED
#5
Blocked
rotor
False start
was 1.33 s.
Wait or re-
lease rotor
Red LED,
Yellow LED
#4
Too low
voltage
Only one
warning, the
pump oper-
ates as normal
Check the
voltage to the
pump
Red LED,
Yellow LED
#3
Electric
fault
Pump stops
because of
low voltage or
serious fault
Check voltage
to pump / Re-
place pump/
impeller*
*
Release impeller using screwdriver PH2. Break the
voltage to the pump. Insert the screwdriver into the
center hole of the drive side, press the screwdriver in
about 5 mm, then rotate forward /backward until the
impeller loosens.
Dimensions
72
45
13
0
90
128
36
92
G1
Weight 1,9 kg
Grundfos UPM3 Auto 15/70 130
Pumpdiagram
EN.33.C.178.2021-11-30
LK Systems AB, Box 66, 161 26 Bromma | www.lksystems.se
