INSTALLATION
Specication
www.stiebel-eltron.com WPL E | WPL cool | 37
WPL 13 E WPL 13
cool
WPL 18 E WPL 18
cool
WPL 23 E WPL 23
cool
Electrical data
Max. power consumption without emergency/booster heater kW 4.4 4.1 5.4 5.3 7.6 7.9
Frequency Hz 50 50 50 50 50 50
Starting current (with/without starting current limiter) A 24/- 24/- 26/- 26/- 30/- 30/-
Compressor fuse/MCB A 3 x C 16 3 x C 16 3 x C 16 3 x C 16 3 x C 16 3 x C 16
MCB/fuse protection, emergency/booster heater A 3 x B 16 3 x B 16 3 x B 16 3 x B 16 3 x B 16 3 x B 16
Control unit fuse/MCB A 1 x B 16 1 x B 16 1 x B 16 1 x B 16 1 x B 16 1 x B 16
Compressor phases 3/N/PE 3/N/PE 3/N/PE 3/N/PE 3/N/PE 3/N/PE
Emergency/booster heater phases 3/N/PE 3/N/PE 3/N/PE 3/N/PE 3/N/PE 3/N/PE
Control unit phases 1/N/PE 1/N/PE 1/N/PE 1/N/PE 1/N/PE 1/N/PE
Rated voltage, emergency/booster heater V 400 400 400 400 400 400
Rated voltage, compressor V 400 400 400 400 400 400
Rated voltage, control unit V 230 230 230 230 230 230
Versions
Flow/return connection G 1 1/4 A G 1 1/4 A G 1 1/4 A G 1 1/4 A G 1 1/4 A G 1 1/4 A
Condenser material 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu
Refrigerant R407 C R407 C R407 C R407 C R407 C R407 C
Refrigerant charge kg 3.2 5.9 3.4 5.2 3.4 4.9
CO2 equivalent (CO2e) t 5.68 10.47 6.03 9.22 6.03 8.69
Global warming potential of the refrigerant (GWP100) 1774 1774 1774 1774 1774 1774
Frost protection X X X X X X
Defrost type Circuit re-
versal
Circuit re-
versal
Circuit re-
versal
Circuit re-
versal
Circuit re-
versal
Circuit re-
versal
IP rating IP14B IP14B IP14B IP14B IP14B IP14B
Dimensions
Height mm 1116 1116 1116 1116 1116 1116
Width mm 784 784 784 784 784 784
Depth mm 1182 1182 1182 1182 1182 1182
Height (outdoor installation) mm 1434 1434 1434 1434 1434 1434
Width (outdoor installation) mm 1240 1240 1240 1240 1240 1240
Depth (outdoor installation) mm 1280 1280 1280 1280 1280 1280
Height (indoor installation) mm 1182 1182 1182 1182 1182 1182
Width (indoor installation) mm 800 800 800 800 800 800
Depth (indoor installation) mm 1240 1240 1240 1240 1240 1240
Weights
Weight kg 205 210 212 214 211 220
Total weight - outdoor installation kg 331 336 338 340 337 346
Total weight, indoor installation kg 292 297 299 301 298 307
Connections
Air hose intake and discharge connectors DN 560 DN 560 DN 560 DN 560 DN 560 DN 560
Water quality requirements
Water hardness °dH ≤3 ≤3 ≤3 ≤3 ≤3 ≤3
Chloride mg/l <30 <30 <30 <30 <30 <30
pH value (with aluminium compounds) 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5
pH value (without aluminium compounds) 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0
Conductivity (softening) μS/cm <1000 <1000 <1000 <1000 <1000 <1000
Conductivity (desalination) μS/cm 20-100 20-100 20-100 20-100 20-100 20-100
Oxygen 8-12 weeks after filling (softening) mg/l <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
Oxygen 8-12 weeks after filling (desalination) mg/l <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Values
Heating flow rate (EN 14511) at A7/W35, B0/W35 and 5 K m³/h 1.45 1.55 2.22 2.12 2.85 2.64
Nominal heating flow rate at A2/W35, B0/W35 and 7 K m³/h 1 1 1.39 1.39 1.94 1.82
Min. heating flow rate m³/h 1 1 1.2 1.2 1.4 1.4
Flow rate on heat source side m³/h 3500 3500 3500 3500 3500 3500
Total available external pressure differential on heat source side hPa 1.0 1.0 1.0 1.0 1.0
Max. available external pressure differential, heat source side, intake side
hPa 0.8 0.8 0.8 0.8 0.8
Internal pressure differential hPa 70 70 110 110 200 200