STIEBEL ELTRON wpf 20 - Page 15

www.stiebel-eltron.com WPF 20/27/40/52/66 | 15
INSTALLATION
POWER SUPPLY
X2 LV terminal
1 BUS High H
2 BUS Low L
3 BUS Ground
4 & 5 Temperature sensor B6
X3 Power supply
Heat pump (compressor)
L1, L2, L3, N, PE
X4 Control terminal
Power supply: L, N, PE
Control input:
Ext. control. STAND-ALONE operation
X5 Power supply
Brine pump
L1, L2, L3, N, PE
M
Power supply WPF 20, WPF 27, WPF 40, WPF 52, WPF 66
X3
X5
X4
3/N/PE
~400V 50Hz
3/N/PE
~400V 50Hz
~230V 50Hz
X2
WPM II
BUS / Fühler
C26_03_01_0796