Grundfos UPS User Manual

English (GB)
8
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. General description
UPS/UPSD multi-speed circulator pumps are
capable of operating at three different speeds.
The pumps are available as single-head or twin-head
pumps. All pumps incorporate a thermal overload
switch in the stator.
The pumps are available as
• cast-iron pumps with black nameplate
• bronze pumps with bronze nameplate and
a B in the type designation.
Terminal box modules
Single-head pumps are fitted with a standard
module in the terminal box.
Twin-head pumps are fitted with a standard module
or a relay module in the terminal box.
The relay module is available as an optional extra for
single-head pumps.
1. Symbols used in this document
8
2. General description
8
3. Applications
9
3.1 Pumped liquids
9
3.2 Glycol
9
4. Function
9
4.1 Single-head and twin-head pumps with
standard module
9
4.2 Twin-head pumps with relay module
10
5. Installation
11
5.1 Tightening torque for bolt threads
11
5.2 Flange forces and moments
11
5.3 Terminal box positions
11
5.4 Frost protection
12
6. Electrical connection
12
6.1 Single-head and twin-head pumps with
standard module
12
6.2 Twin-head pumps with relay module
13
6.3 Frequency converter operation
13
7. Start-up
13
8. Speed selection
14
9. Fault finding
15
9.1 Single-head and twin-head pumps with
standard module
15
9.2 Twin-head pumps with relay module
16
10. Technical data
17
11. Disposal
18
Warning
Prior to installation, read these
installation and operating instructions.
Installation and operation must comply
with local regulations and accepted
codes of good practice.
Warning
The use of this product requires
experience with and knowledge of the
product.
Persons with reduced physical,
sensory or mental capabilities must not
use this product, unless they are under
supervision or have been instructed in
the use of the product by a person
responsible for their safety.
Children must not use or play with this
product.
Warning
If these safety instructions are not
observed, it may result in personal
injury!
Warning
If these instructions are not observed,
it may lead to electric shock with
consequent risk of serious personal
injury or death.
Caution
If these safety instructions are not
observed, it may result in malfunction
or damage to the equipment!
Note
Notes or instructions that make the job
easier and ensure safe operation.

Grundfos UPS Specifications

General

Pump Type	Circulator Pump
Pump Housing	Cast Iron
Voltage	230 V
Temperature Range	2°C to 110°C
Maximum Operating Pressure	10 bar