Grundfos DMH 251, Installation And Operating Instructions, Supplement

Page: 64 / 68

Appendix
64
Appendix 1
1. Dimensions of DMX and DMH pumps with VFD
DMH 254, 255, 257 (example)
T
M
06
47
62
31
1
5
w y z
x
Pump type Single / duplex Pump size
x
[mm]
w
[mm]
y
[mm]
z
[mm]
Remark
DMH 251, 252, 253, 280, 281 -/2 All 1 225 271 125 100 VFD size 1; 0.18 / 0.25 kW; 1 AC
DMH 254, 283, 288 - Single 2 511 283 195 - VFD size 2; 0.55 / 0.75 kW; 1 AC
DMH 254, 283, 288 /2 Duplex 2 511 - 195 90 VFD size 2; 0.55 / 0.75 kW; 1 AC
DMH 255 - Single 2 494 257 195 - VFD size 1; 0.75 / 1.1 kW; 3 AC
DMH 255 /2 Duplex 2 494 - 195 64 VFD size 1; 0.75 / 1.1 kW; 3 AC
DMH 257, 285, 286, 287 - Single 3 278 312 209 - VFD size 2; 1.5 / 2.2 kW; 3 AC
DMH 285, 286, 287 /2 Duplex 3 278 312 209 - VFD size 2; 1.5 / 2.2 kW; 3 AC
DMH 257 /2 Duplex 3 327 - 218 103 VFD size 2; 2.2 / 2.2 kW; 3 AC
DMX 221 - Single all 376 276 128 97 VFD size 1; 0.18 / 0.25 kW; 1 AC
DMX 226L - Single all 438 334 172 - VFD size 2; 0.55 / 0.75 kW; 1 AC
DMX 226L /2 Duplex all 438 - 172 104 VFD size 2; 0.55 / 0.75 kW; 1 AC
DMX 226M -/2 All 1-3 225 271 125 100 VFD size 1; 0.18 / 0.25 kW; 1 AC
DMX 227 - Single all 278 312 209 - VFD size 2; 1.5 / 2.2 kW; 3 AC
DMX 227 /2 Duplex all 327 - 218 103 VFD size 2; 2.2 / 2.2 kW; 3 AC