OPERATING AND INSTALLATION MANUAL HEAT PUMP COMBI UNIT PKOM4 PAGE 29
USER
GENERALSPECIALIST PERSONNEL
13.5 ELECTRICAL WIRING DIAGRAM MAIN
BOARD
13.6
ELECTRICAL WIRING DIAGRAM
VENTILATION BOARD
U1
4 3 2 1
U2
P1
P2
M4
T1
U4
U3
K3
K2 K1 H4
T3
T4
T7
T8
4 3 2 1 4 3 2 1
4 3 2 1
4 3 2 1
3 2 1
2 1
2 1
2 1
10 9 8 7 6 5 4 3 2 1
Temperaturfühler Zuluft
Temperature sensor supply air
U1
AUL Ventilator Steuerung
ODA-Fan control
4
3
2
1
BL
YE
WH
RD
U2
4
3
2
1
BL
YE
WH
RD
ABL Ventilator Steuerung
ETA-Fan control
Abluft Differenzdruck
ETA Differential pressure
+
-
Zuluft Differenzdruck
SUP Differential pressure
+
-
-GND
M4
3
24V
4
2
1
+
Modbus zur Hauptpaltine
Modbus to main PCB
U3
4
3
2
1
BL
OR
WH
RD
AU L/FOL Klappe
ODA /EHA Damper
U4
4
3
2
1
BL
OR
WH
RD
AUL/ZUL Klappe
ODA /SUP Da mper
K3
3
2
1
N
Lc
Ls
Bypass Klappe
Bypass Damp er
Temperaturfühler Außenuft
Temperature sensor outdoor air
Temperaturfühler Forluft
Temperature sensor exhaust air
Temperaturfühler Abluft
Temperature sensor extract air
Temperaturfühler nach Vorheizregister
Temperature sensor after preheater
4
3
2
1
T3
T1
T1
5
T3
T4
9
8
7
6
10
T4
T7
T7
T8
T8
N
L
2
1
Spannungsversorung Abluftventilator
Power s upply ETA fan
N
L
2
1
Spannungsversorgung Lüftungsplatine
Power supply ventilation PCB
N
L
2
1
Spannungsversorung Aussenluftventilator
Power s upply ODA fan
K2
(230V)
K1
(230V)
H4
(230V)
Illustration: Ventilation board left version
Illustration: Main board left/right version
The main board is located at the top of the
unit in the electrical connection box (see
Section 11, page 24, position 25).
The ventilation board is located at the top of
the unit in the electrical connection box (see
Section 11, page 24, position 26), upstream
of the main board.
F3
F4
F6 F1
F5
F2
T2AH230V
T10AH230V
T2AH230V
T8AH230V
T500mAH230V
T500mAH230V
M3
M2
M1
M4
S2
S1
E1/T40
H2
H3
H1
K6
K5
K4
3 2 1
3 2 1
3 2 1
3 2 1
4 3 2 1
2 1
T9
3 2 1
3 2 1
3 2 1
3 2 1
4 3 2 1
4 3 2 1
4 3 2 1
4 3 2 1
4 34 3
K13
Schließerkontakt
Normaly open contact
2 12 1
K12
Schließerkontakt
Normaly open contact
U5
Steuerspannung für Solarpumpe oder Nacheizregister
Control voltage for solar pump or duct heater
GND 0-10V
1
2
T9
2
3
1
NTC PT1000
Temperaturfühler für Solar oder Nachheizregister
Temperature sensor for solar or duct heater
4 34 3
E1
Hilfseingang
Auxiliary input
2 1
T40
T40 Raumfühler extern oder Heizkreis
T40 Ext. Roomtemp. sensor or heating circuit
NTC
M4
Modbus z um Display
Modbus to display
24V GND
34
- +
12
Modbus z ur Wärmepumpenplatine
Modbus to heat pump PCB
24V GND
34
- +
12
M3
Modbus z ur Lüftungsplatine
Modbus to ventilation PCB
24V GND
3
4
- +
12
M2
Modbus für externe Anbindung (Datalogger/GLT)
Modbus for external connection (Datalogger/BMS)
GND
3
- +
12
M1
CO2-Sensor
GND
3
0-10V 24V
12
S2
Feuchtesensor
Humidity sensor
GND
3
0-10V 24V
12
S1
3
1
K4(230V)
N
L
Relais für Kanalheizregister
Relay for duct heater
3
1
K5(230V)
PE
Pumpe für Solar- oder Heizkreis
Pump for solar or heating circuit
N L
2
3
1
K6(230V)
PE
E-Heizung Warmwasserspeicher 1,5kW
E-heater for hot water tank 1,5kW
N L
2
3
1
H1(230V)
PE
Spannungsversorgung Hauptplatine
Power supply main PCB
N L
2
3
1
H3(230V)
N
Spannungsversorgung Wärmepumpenplatine
Power supply heat pump PCB
L3 L2
24
PE
1
H2(230V)
Spannungsversorgung Lüftungsplatine
Power supply ventilation PCB
N L1
2
USB connection
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