SiBE611027_A
Printed Circuit Board Connector Wiring Diagram
Printed Circuit Board Connector Wiring Diagram
6
1. Printed Circuit Board Connector Wiring Diagram
Connectors and
Other Parts
PCB (1): Sensor PCB
PCB (2): Control PCB
PCB (3): Service PCB
PCB (4): Display PCB
PCB (5): Sub PCB
1) S49
Connector for control PCB
2) RTH2 (R1T)
Room temperature thermistor
1) S1
Connector for fan motor
2) S19, S43
Connector for sub PCB
3) S21
Connector for centralized control (HA)
4) S26
Connector for service PCB
5) S32
Indoor heat exchanger thermistor
6) S41
Connector for lower air outlet motor
7) S42
Connector for swing motor
8) S46
Connector for display PCB
9) S48
Connector for sensor PCB
10) H1, H2, H3
Connector for terminal board
11) E1
Terminal for earth
12) V1, V2
Varistor
13) JA
Address setting jumper
∗
Refer to page 79 for detail.
JC
Power failure recovery function
∗
Refer to page 80 for detail.
14) FU1 (F1U)
Fuse (3.15 A, 250 V)
15) LED A
LED for service monitor (green)
1) S27
Connector for control PCB
2) SW2-1
Switch for changeover between heating/cooling use and
heating only use
∗
Refer to page 80 for detail.
3) SW2-2
Switch for interlinked control with “Altherma”
∗
Refer to page 80 for detail.
4) SW2-4
Switch for upward airflow limit setting
∗
Refer to page 80 for detail.
5) SW4 (S4W)
Switch for air outlet selection
∗
Refer to page 19, 25 for detail.
1) S47
Connector for control PCB
2) SW1 (S1W)
Forced operation ON/OFF button
∗
Refer to page 75 for detail.
3) LED1 (H1P)
LED for operation (green)
4) LED2 (H2P)
LED for timer (yellow)
1) S10, S30
Connector for control PCB
2) S40
Connector for terminal board
3) FU11 (F11U)
Fuse (3.15 A, 250 V)
4) FU12 (F12U)
Fuse (125 mA, 250 V)