Type Key - Grundfos Hydro EN Installation And Operating Instructions Manual

5.

Type key

Example
Booster type
Hydro EN
Configuration
S1 ONE Main electric pump (100%)
S2 ONE Main electric pump + ONE standby electric pump (100%+100%)
S3 TWO Main electric pumps + ONE standby electric pump (50%+50%+50%)
T1 ONE Main diesel pump (100%)
T2 ONE Main diesel pump + ONE standby diesel pump (100%+100%)
T3 TWO Main diesel pumps + ONE standby diesel pump (50%+50%+50%)
Y ONE Main electric pump + ONE standby diesel pump (100%+100%)
Y1 TWO Main electric pumps + ONE standby diesel pump (50%+50%+50%)
Y2 ONE Main electric pump + ONE Main diesel pump + ONE standby diesel
pump (50%+50%+50%)
Pump model
50-250/249 Example: NKF 50-250 impeller ø249
Jockey pump
JS With jockey pump standard
JV With customised jockey pump (on request)
NJ Without jockey pump (on request)
Control panel
A Standard
B IP55
C Automatic Test
D Automatic Test + IP55
N Without control panel
X Customized control panel
Starting
DL Direct on line
SD Star - Delta
Main supply
U1 3x400V/50Hz Main (or standby) electric pump - 3x400V/50Hz Jockey pump
U2 1x220V/50Hz Main (or standby) diesel pump - 3x400V/50Hz Jockey pump
U3 3x400V/50Hz Main (or standby) electric pump - 1x220V/50Hz Main (or standby) diesel pump -
3x400V/50Hz Jockey pump
Diesel engine cooling system (if present)
A Direct air trough fan
B Heat exchanger WATER/WATER
Other variants
X Other variants according to customer requirements
6
Hydro EN -Y 50-250/249 JS -A SD -U3 -B -X