2. Introduction
This manual describes the installation and operation
of Grundfos CM pumps.
3. Delivery and handling
Grundfos CM pumps are delivered from factory in a
packaging specially designed for manual transport or
transport by fork-lift truck or a similar vehicle.
In order to ensure safe transport, we
Note
recommend that you transport the
pumps with suitable lifting tools.
4. Applications
CM pumps are horizontal, multistage centrifugal
pumps for the pumping of clean, thin and
non-flammable liquids, not containing solid particles
or fibres that may attack the pump mechanically or
chemically.
Warning
The pump must not be used for the
transfer of flammable or toxic liquids.
5. Identification
5.1 Nameplates
The pump and motor nameplates are positioned on
the motor fan cover or terminal box.
5.1.1 Nameplate for pump
The data and information on the pump nameplate
are described in the table below. See the nameplate
in fig. 11 on page 21.
Pos. Description
1
Pump type
2
Pump model
3
Maximum ambient temperature
4
Temperature class
5
Minimum efficiency index
6
Maximum system pressure
7
Maximum liquid temperature
8
Hydraulic efficiency at best efficiency point
9
Insulation class
10
Motor protection
11
Rated flow
12
Head at rated flow
13
Maximum head
5.1.2 Nameplate for motor
The data and information on the motor nameplate
are described in the table below. See the nameplate
in fig. 12 on page 21.
Pos. Description
1
Motor type
2
Number of poles
3
Number of phases and voltage
4
Rated current
5
Output power
6
Output power
Three-phase pumps only
7
Motor efficiency at best efficiency point
Single-phase pumps only
8
Capacitor size and voltage
9
CE mark
10
TR mark
11
IE2 mark
12
Company name and address
13
Country of manufacture
9