Grundfos UPM3 User manual

SE.33.C.178.1905

Assembly instructions | Grundfos UPM3 Auto L 15/70

Introduction

Grundfos UPM3 Auto L 15/70 is a compact,

energy-saving and high-performance pump spe-

cically developed for the OEM market. LK uses

UPM3 Auto L in several products because of its

good characteristics.

The pump has ten different setting options, three

curves for Proportional Pressure, three curves for

Constant Pressure and four curves for Constant

Curve. The recommendation for underoor heat-

ing is Constant Pressure and a curve that is adap-

ted to conditions for the installation. The pump is

set to Proportional Pressure, curve three, on

delivery.

Operating mode / Settings mode

Grundfos UPM3 Auto L indicates in normal oper-

ation the power used by the pump (stated in per

cent of maximum capacity) in accordance with the

table below.

Table, overview of operating mode.

To show the setting currently in use by the pump,

give the button a short press . Read the selected

mode by studying the settings menu. After two

seconds the indicator returns to operating mode.

Grundfos UPM3 Auto L 15/70

To change the pump setting press the button on

the pump for 2-10 seconds, when the pump will

show the selected setting in accordance with the

settings menu. Pressing the button shifts the

pump between the different settings. Adjust to the

desired setting using the menu.

Note that for oor heating Constant Pressure is

recommended with a curve that is suitable for the

installation needs.

Note!

The pump is set to Proportional Pressure,

curve three, on delivery.

This must be manually changed to Constant

Pressure by the installer when the pump is

used in floor heating installations.

To show the current setting, press

once on the button

To view the settings menu, hold the

button pressed for 2-10 seconds

When the setting changes are com-

plete, the pump returns to operat-

ing mode after 10 seconds

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SE.33.C.178.1905

Assembly instructions | Grundfos UPM3 Auto L 15/70

Display Indication Operation Action

Red LED,

Yellow LED

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

130

128

36 92

G1 Weight 1,9 kg

Grundfos UPM3 Auto L 15/70 130

Pump diagram

Electrical contact

The pump's electrical contact should be connected

to a 230 V 50 hz socket by a qualied 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.

Settings menu

Overview of settings options for the UPM3. Relevant set-

tings are marked with a blue triangle, other settings

are shaded.

Lock

The pump can be locked so that it is not possible

to show or change settings. In order to lock/

unlock the pump then press the button for

more than 10 seconds.

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

Blocked

rotor

False start

was 1.33 s.

Wait or re-

lease rotor

Red LED,

Yellow LED

Too low

voltage

Only one

warning, the

pump oper-

ates as normal

Check the

voltage to the

pump

All manuals and user guides at all-guides.com

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