Grundfos CM series Service Instructions

8. Order of assembly for chambers and impellers
8.1 Key for CM 1, 3, 5
Bearings
Chamber cpl. A
Chamber with bearing cpl. B
Chamber with holes C
Chamber plate D
Chamber without guide vanes E
Impeller F
8.2 CM 1, 3, 5, cast iron
CM 1, 3, 5, cast iron
Pos.
2 3 4 5 6 7 8
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
1
1
D F D F D F D F D F D F D F
2 E F A F A F A F A F A F A F
3 E F A F A F A F A F A F
4 E F A F A F A F A F
5 E F A F A F A F
6 E F A F A F
7 E F B F
8 E F
1
Pos. 1 is next to the motor.
8.3 CM 1, 3, 5, stainless steel
CM 1, 3, 5, stainless steel
Pos.
2 3 4 5 6 7 8
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
Chamber
Impeller
1
1
C F C F C F C F C F C F C F
2 E F A F A F A F A F A F A F
3 E E F A F A F A F A F A F
4 E F A F A F A F A F
5 E F A F A F A F
6 E F A F A F
7 E E F B F
8 E F
9 E
1
Pos. 1 is next to the motor.
26
English (GB)

Grundfos CM series Specifications

General

Enclosure Class	IP55
Impeller Material	Stainless steel
Type	Centrifugal
Material	Cast iron or stainless steel (various grades depending on model)
Motor range	0.37 kW to 4 kW (depending on model)
Applications	Water supply, Industrial processes
Maximum Operating Pressure	10 bar
Installation	Horizontal or Vertical
Stages	Multi-stage
Motor Power	0.37 kW to 4 kW (depending on model)
Speed	2900 rpm
Power supply	1 x 220-240 V, 50/60 Hz or 3 x 220-240/380-415 V, 50/60 Hz (depending on model)