BP Unit SiBE18-821_C
30 Printed Circuit Board Connector Wiring Diagram
2. BP Unit
2.1 BPMKS967B2B/B3B
Connectors and
Other Parts
Note: X23A and X5M are not used for BPMKS967B2B.
PCB Detail
1) X20A Connector for bypass electronic expansion valve
2) X21A - X23A Connector for electronic expansion valve for room A, B, C
3) X90A Connector for thermistors
4) F2U Fuse (3.15 A / 250 V)
5) X3M Terminal for inter connecting wire to room A
6) X4M Terminal for inter connecting wire to room B
7) X5M Terminal for inter connecting wire to room C
8) F1, F2 (on X6M) Terminal for transmission to outdoor unit or other BP units
9) L1, N1 (on X1M) Terminal for power supply (50 Hz, 230 V)
10)L2, N2 (on X1M) Terminal for power supply to other BP units
11)E1 Terminal for earth
12)H1P (LED A) LED for service monitor
13)H2P - H5P LED for error indication
(LED 1 - 4)
14)DS2 Dip switch
X3M
X4M
X5M
F2U
E1
3P152439-1
3P152439-2
X22A
X21A
X20A
F2
X6M
X1M
F1
N2
L2
N1
L1
X90ADS2
X23A
H1P (LED A)
H2P (LED 1)
H3P (LED 2)
H4P (LED 3)
H5P (LED 4)
N2L2N1L1
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