38 | WPF 20/27/40/52/66 WWW.STIEBEL-ELTRON.COM
14.13 Data table
Output details apply to new appliances with clean heat exchangers.
WPF 20 WPF 27 WPF 27 HT WPF 35 WPF 40 WPF 52 WPF 66
233003 233004 233009 233005 233006 233007 233008
Outputs to EN 14511
Output at B0/W35 (EN 14511) kW 21.5 29.69 27.41 38.04 43.1 55.83 67.10
Power consumptions to EN 14511
Power consumption at B0/W35 (EN 14511) kW 4.61 6.12 6.32 7.96 9.23 11.61 14.71
Coefficients of performance to EN 14511
Coefficient of performance at B0/W35 (EN 14511) 4.66 4.85 4.34 4.78 4.67 4.81 4.56
Sound data
Sound power level (EN 12102) dB(A) 54.6 55 55 56 57.9 58 61.5
Sound pressure level at 1 m distance in a free
field
dB(A) 47 47 47 48 49.9 50 53.5
Sound pressure level at 5 m distance in a free
field
dB(A) 33 33 33 34 35.9 36 39.5
Application limits
Min. installation room volume m³ 14 16 24 20 23 27 33
Max. permissible pressure MPa 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Min. application limit on the heating side °C 15 15 15 15 15 15 15
Max. application limit on the heating side °C 60 60 75 60 60 60 60
Heat source application limit (min.) °C -5 -5 -5 -5 -5 -5 -5
Heat source application limit (max.) °C 20 20 20 20 20 20 20
[Wasserhärte] °dH ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3
[pH-Wert (mit Aluminiumverbindungen)] [mg/l] 8.0-8.5 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-Wert (ohne Aluminiumverbindungen)] [mg/l] 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0
[Chlorid] [mg/l] <30 <30 <30 <30 <30 <30 <30
[Leitfähigkeit (Enthärten)] [μS/cm] <1000 <1000 <1000 <1000 <1000 <1000 <1000
[Leitfähigkeit (Entsalzen)] [μS/cm] 20-100 20-100 20-100 20-100 20-100 20-100 20-100
[Sauerstoff 8-12 Wochen nach Befüllung (Ent-
härten)]
[mg/l] <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
[Sauerstoff 8-12 Wochen nach Befüllung (Ent-
salzen)]
[mg/l] <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Electrical details
Frequency Hz 50 50 50 50 50 50 50
Control circuit fuse A 1x B 16 1 x B 16 1 x B 16 1 x B 16 1 x B 16 1 x B 16 1 x B 16
Fuse - compressor A 3 x C 35 3 x C 35 3 x C 35 3 x C35 3 x C 35 3 x C 50 3 x C 50
Control phases 1/N/PE 1/N/PE 1/N/PE 1/N/PE 1/N/PE 1/N/PE 1/N/PE
Compressor phases 3/PE 3/PE 3/PE 3/PE 3/PE 3/PE 3/PE
Rated control voltage V 230 230 230 230 230 230 230
Rated compressor voltage V 400 400 400 400 400 400 400
Current (with/without softstarter) A 55/- 60/- 90/- 60/- 60/- 65/- 80/-
Operating current max. A 15 19 23.3 23.5 30 32 41
Max. phase angle cos(phi) 0.83 0.83 0.82 0.79 0.87 0.88
Versions
Refrigerant R410 A R410 A R134a R410 A R410 A R410 A R410 A
Refrigerant capacity kg 5.99 7.2 5.99 10.0 10 12 14.5
Compressor oil Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Emkarate RL
32 3MAF
Condenser material 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu
Evaporator material 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu 1.4401/Cu
IP-Rating IP34 D IP34 D IP34 D IP34 D IP34 D IP34 D IP34 D
Dimensions
Height mm 1154 1154 1154 1154 1154 1154 1154
Width mm 1242 1242 1242 1242 1242 1242 1242
Depth mm 860 860 860 860 860 860 860
Weights
Weight kg 345 367 409 391 415 539 655
Connections
Connection on the heating system side G 2 G 2 G 2 G 2 G 2 G 2 G 2
Connection on the heat source side G 2 G 2 G 2 G 2 G 2 G 2 G 2
Connecting cable mm
2
5 x 6.0 5 x 6.0 5 x 6.0 5 x 6.0 5 x 6.0 5 x 10.0 5 x 10.0
Values
permissible refrigerant pressure MPa 4.3 4.3 2.4 4.3 4.3 4.3 4.3
Brine volume l 11.2 13 13 16.6 16.6 20.2 23.8
INSTALLATION
SPECIFICATION