STIEBEL ELTRON WPL 10 I - 19.3 Wiring diagram WPL 10 I

21
L H
Kleinsp
BUS
Steuerung
(Netz)
L PE 2. WE
X3
WP
N
L
DHC
NETZ
PE
N
X4
X2
max. 2 A gl
16 A gl
B1
B1
L
N
PE
PE
L’
EVU L’
26_03_01_0648
Fig. 19
Electrical connection diagram for heat pumps WPL 7 AS, WPL 10 AS with heat pump manager WPM II
Time switch for POWER OFF periods
Control phase L
without off-period
Control phase L`
with off-period
N
L
PE
N
PE
L
1/N/PE
~ 50Hz
230 V
Supply from the
domestic meter
1/N/PE ~ 50Hz
230V
Supply from the
heat pump
electricity meter
Heat pump manager WPM II
Outside temp. sensor Flow temp. sensor Return temp. sensor DHW temp. sensor HS 2 sensor Source temp. sensor Mixer temp. sensor Analog output 1 3 BUS H BUS L BUS BUS + Sensor 1 Sensor 2
Solar Mixer – Mixer + HS 2 HS 2 Pump DHW Heating circuit 2 Heating circuit 1 Source Buffer 2 Buffer 1 Pumps L PSC L’ Mains L Mains N
BUS cable
FE7
X2
X1
X5 X4
X3
FE7
1/N/PE
~ 50Hz
230V
N
L
PE