Pichler PKOM4 - Electrical Wiring Diagram Heat Pump Board

OPERATING AND INSTALLATION MANUAL HEAT PUMP COMBI UNIT PKOM4 PAGE 30
USER
GENERALSPECIALIST PERSONNEL
K8
K11/K7
K9
M5
M6
T31
T30/T32
A1
1 2 3
1 2 3
1 2
1 2 3 4
1 2 3
1 2 3 4
A2
U6/U7
K10
H5
E2
1 2
1 2 3 4
1 2
EV1
EV2
EV3
EV4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3
1 2 3 4
P3
1 2 3
1 2 3 4
T13 T22 T6 T5
T21 T20 T10 T12
Sauggasfühler BW
Suction gas temp. DHW
T32
PT1000
Sauggasfühler HK-Heizen
Suction gas temp. HC-Heating
T30
Sauggasfühler HK-Kühlen
Suction gas temp. HC-Cooling
T30
BK
YE
EV1
2
Expansionsventil Vorheizregister
Expansion valve HC preheater
3 4
OGRD
1
BK
YE
EV2
2
Expansionsventil HK-Kühlen
Expansion valve HC-Cooling
3 4
OGRD
1
BK
YE
EV3
2
Expansionsventil HK-Heizen
Expansion valve HC-Heating
3 4
OGRD
1
BK
YE
EV4
2
Expansionsventil Brauchwasser
Expansion valve DHW
3 4
OGRD
1
GND-
M6
2
+
1
3
Modbus z um Frequqnzumformer HK
Modbus to frequency inverter HC
GND-
M5
2
+
1
3
Modbus von Hauptplatine
Modbus from main PCB
4
24V
Differenzdruck Abtauung
Differential pressure defrost
-
+
P3
Verdichter HK/Compressor HC
Verdichter BW/Compressor DHW
Lamellen WT3/Fin temp. WT3 Lufteintritt WT3/Air inlet WT3
Speicher Mitte/DHW tank center
Speicher unten/DHW tank bottom
Lamellen WT2/Fin temp. WT2 Lufteintritt WT2/Air inlet WT2
WHBK
A1
1
2
ND-Transmitter HK
LP-Transmitter HC
3
RD
WHBK
A2
1
2
ND-Transmitter Brauchwasser
LP-Transmitter DHW
3
RD
Nicht in Verwendung
Not in use
0-10V
U6
21
GND
Nicht in Verwendung
Not in use
0-10V
U7
43
GND
L NL N
K8(230V)
1 2
Magnetventil Brauchwasser
Solenoid valve DHW
1 21 2
K11(230V)
L N
4-Wegeventil HK
4-way valve DHW
3
4
PT1000
1
2
PT1000
1
2
1 21 2
K7(230V)
L N
Magnetventil HK
Solenoid valve HC
N
2
3
PE
L
1
Frequenzumformer HK
Frequency inverter HC
K9(230V)
N
2
3
PE
L
1
Kompressor Brauchwasser
Compressor DHW
K10(230V)
NL3
2
L2
1
3
4
H5(230V)
PE
Spannungsversorgung von Hauptplatine
Power supply from main PCB
E2
1
2
Hochdruckschalter Brauchwasser
High pressure switch DHW
13.7 ELECTRICAL WIRING DIAGRAM
HEAT PUMP BOARD
The heat pump board is located in the heat
pump module (see Section 11, page 24, posi-
tion 26). No work has to be performed here
in the course of the electrical connection.
U1
U2
P1
P2
M4
T1
U4
U3
K3
K2K1H4
T3
T4
T7
T8
1 2 3 4
1 2
1 2 3 4 5 6 7 8 9 10
1 2 3 4
1 2 3 4 1 2 3 4
1 2
1 2
1 2 3
1 2 3 4
Temperaturfühler nach Vorheizregister
Temperature sensor after preheater
U1
1
2
3
4B L
YE
WH
RD
Zuluft Differenzdruck
SUP Differential pressure
-
+
G N D-
M4
2
+
1
3
4
24V
Modbus zur Hauptplatine
Modbus to main PCB
U4
1
2
3
4
RD
WH
OR
BL
AUL/ZUL Klappe
ODA/SUP Damper
K3
1
2
3
Ls
Lc
N
Bypass Klappe
Bypass Damper
Temperaturfühler Abluft
Temperature sensor extract air
Temperaturfühler Fortluft
Temperature sensor exhaust air
Temperaturfühler Außenuft
Temperature sensor outdoor air
Temperaturfühler Zuluft
Temperature sensor supply air
7
8
9
10
T7
T8
T8
6
T7
T4
2
3
4
5
1
T4
T3
T3
T1
T1
1
2
L
N
Spannungsversorgung Lüftungsplatine
Power supply ventilation PCB
1
2
L
N
Spannungsversorgung Aussenluftventilator
Power supply ODA fan
K1
(230V)
H4
(230V)
1
2
3
4
RD
WH
OR
BL
AUL/FOL Klappe
ODA/EHA Damper
U3
1
2
L
N
K2
(230V)
Spannungsversorgung Abluftventilator
Power supply ETA fan
Abluft Differenzdruck
SUP Differential pressure
-
+
U2
1
2
3
4B L
YE
WH
RD
Aussenluftventilator Steuerung
ODA fan control
Abluftventilator Steuerung
ETA fan control
Illustration: Ventilation board right version
Illustration: Heat pump board left/right version