14
Fig. 12
X3 Power supply
HP Heat pump (compressor)
L1, L2, L3, N, PE
DHC Booster heater
L1, L2, L3, N, PE
Connected
load
Terminal allocation
2.6 kW L1 N PE
3.0 kW L2 N PE
3.2 kW L3 N PE
5.6 kW L1 L2 N PE
5.8 kW L1 L3 N PE
6.2 kW L2 L3 N PE
8.8 kW L1 L2 L3 N PE
X26 (earth)X2NX4PEX3PE
3/N/PE~400/50
1/N/PE~230/50
Provide separate fuses for the three power
circuits heat pump, booster heater and
control.
C26_03_01_0308
Electrical connection
X4 Control terminals
Mains supply: L, N, PE
Outputs:
KOKP Collector circuit pump and N, PE
MKP Mixer circuit pump and N, PE
Pump Heating circuit 2 and N, PE
M(A) Mixer OPEN
M(Z) Mixer CLOSE
HKP Heating circuit pump and N, PE
HS 2 Heat source 2 and N, PE
ZKP DHW circulation pump and N, PE
Ext. ST Stand alone operation
Inputs:
EVU L´ Power supply company enable signal
X2 LV terminal
Pulse Pulse input heat meter measurement
B1 Temperature sensor heat pump flow
B2 Temperature sensor heat pump return
Sensor 1 Temp. sensor HP return (heat consumption)
Temp. sensor DHW cylinder (bottom)
(for solar connection)
Sensor 2 Temp. sensor HP flow (heat usage)
Temp. sensor collector (for solar connection)
T(WW) DHW temperature sensor and earth
T(2. WE) Outside temperature sensor and earth
T(A) Temp. sensor Heat source 2 and earth
T(MK) Mixer circuit temperature sensor and earth
REM CON. 1 Remote control 1
REM CON. 3 Remote control 3
H BUS high
L BUS Low
BUS ground
“ + “ BUS “ + “
3/N/PE~400/50
3/N/PE~400/50
1/N/PE~230/50
3/N/PE~400/50
X2X4X3PE
WPL 10 A
WPL 10 I
WPL 10 IK
Mains
HP
Control
HP
Mains
Control
LV
LV
Mains
HP
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