Install Instructions

2
English (US)
English (US) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions
describe Grundfos Unilift AP12, AP35 and AP50.
Sections 1-5 give the information necessary to be
able to unpack, install and start up the product in a
safe way.
Sections 6-10 give important information about the
product, as well as information on service, fault
finding and disposal of the product.
CONTENTS
Page
1. Limited warranty
3
2. General information
3
2.1 Symbols used in this document
3
2.2 Overview drawing
4
3. Receiving the product
4
3.1 Inspecting the product
4
3.2 Scope of delivery
4
4. Installing the product
4
4.1 Pipe connection
5
4.2 Minimum space
5
4.3 Location
5
4.4 Adjustment of cable length for float switch
6
4.5 Electrical connection
6
5. Starting up the product
7
5.1 Starting
7
6. Product introduction
8
6.1 Applications
8
6.2 Identification
10
6.3 Functions
10
6.4 Pump construction
10
7. Servicing the product
11
7.1 Cleaning the pump
12
7.2 Contaminated pumps
12
7.3 Replacement of parts
12
8. Fault finding the product
13
9. Technical data
14
9.1 Operating conditions
14
9.2 Sound pressure level
14
9.3 Storage
14
10. Disposing of the product
14
Prior to installation, read this document.
Installation and operation must comply
with local regulations and accepted codes
of good practice.
Successful operation depends on
careful attention to the procedures
described in this manual. Keep this
manual for future use.