Grundfos UPM3 User manual

Assembly instructions | Grundfos UPM3 Auto 15/70

Introduction

Grundfos UPM3 Auto 15/70 is a compact,

energy-saving and high-performance pump spe-

cically developed for the OEM market. LK uses

UPM3 Auto 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 indicates in normal opera-

tion the setting currently in use by the pump.

Read the selected mode by studying the settings

menu.

To change the pump setting press the button on

the pump. Then the pump shifts to 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.

CONSTANT PRESSURE 1

CONSTANT PRESSURE 2

CONSTANT PRESSURE 3

MAX

Table, overview of operating mode.

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 oor heating installations.

Grundfos UPM3 Auto 15/70

Table of Contents

Introduction 1

Operating mode - Settings mode 1

Settings menu 1

Alarm codes 2

Dimensions 2

Pump diagram 2

Electrical contact 2

Settings menu

OPERATING PANELCONTROL MODE

0PROPORTIONAL PRESSURE AUTO ADAPT

1CONSTANT PRESSURE AUTO ADAPT

2PROPORTIONAL PRESSURE 1

3PROPORTIONAL PRESSURE 2

4PROPORTIONAL PRESSURE 3 - MAX

5CONSTANT PRESSURE 1

6CONSTANT PRESSURE 2

7CONSTANT PRESSURE 3

MAX

8CONSTANT CURVE 1

9CONSTANT CURVE 2

10 CONSTANT CURVE 3 MAX

CON

ROL MODE

NAL PRE

ANT PRESS

APT

NAL PRE

ANT C

VE 2

ANT C

VE 3

Overview of settings options for the UPM3. Relevant set-

tings are marked with a blue triangle, other settings

are shaded.

EN.33.C.178.2021-11-30

All manuals and user guides at all-guides.com

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 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.

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

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 15/70 130

Pumpdiagram

EN.33.C.178.2021-11-30

LK Systems AB, Box 66, 161 26 Bromma | www.lksystems.se

All manuals and user guides at all-guides.com

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