Grundfos Hydro 50-250/263 YJS ASD-U3-B Installation And Operating Instructions Manual page 8

The following nameplates and labels can also be found:
• pump nameplate (one per pump placed on the bearings bracket)
• the nameplate of each electric motor or diesel engine (placed on the motor or engine)
• control panel label (one per each control panel placed on the side of the panel or the inner side of the front door, depending on the model).
2.2.2 Type key
Example Hydro EN
Pos. 1
Pos.
1
2
3
4
5
6
7
8
9
8
50-250/263
2
Description
Pump set type:
Hydro EN
Pump type:
50-250/263 (Example: NKF 50-250 impeller ∅263)
Configuration:
S1: One duty electric pump (100 %)
S2: One duty electric pump and one standby electric pump (100 % + 100 %)
S3: Two duty electric pumps and one standby electric pump (50 % + 50 % + 50 %)
T1: One duty diesel pump (100 %)
T2: One duty diesel pump and one standby diesel pump (100 % + 100 %)
T3: Two duty diesel pumps and one standby diesel pump (50 % + 50 % + 50 %)
Y: One duty electric pump and one standby diesel pump (100 % + 100 %)
Y1: Two duty electric pumps and one standby diesel pump (50 % + 50 % + 50 %)
Y2: One duty electric pump, one duty diesel pump and one standby diesel pump (50 % + 50 % + 50 %)
Jockey pump:
JS: With a standard jockey pump
JV: With a customised jockey pump (upon request)
NJ: Without a jockey pump (upon request)
Control panel:
A: Standard
B: IP55
N: Without control panel
X: Special execution control panel
Starting method:
DL: Direct-on-line
SD: Star-delta
Main supply:
U1: 3 x 400 V, 50 Hz duty electric pump (or standby pump) - 3 x 400 V, 50 Hz jockey electric pump
U2: 1 x 220 V, 50 Hz duty diesel pump (or standby pump) - 3 x 400 V, 50 Hz jockey electric pump
U3: 3 x 400 V, 50 Hz duty electric pump (or standby pump) - 1 x 220 V, 50 Hz duty diesel pump (or
standby pump) - 3 x 400 V, 50 Hz jockey electric pump
Diesel engine cooling, if present:
A: Direct air with fan
B: Water/water heat exchanger
Other versions:
X: Other versions based on customer specifications (upon request)
-Y JS A SD
3 4 5 6
-U3 -B -X
7 8 9