6-6-3-7. Trouble/Operation Output
<Electrical Rating>
220-240 VAC, 10 mA or more, 1A or less
24 VAC, 10 mA or more, 1 A or less (non-conductive load)
Operation
In-operation output: An in-operation indication signal is output as long as at least one indoor unit is in operation
in the line.
Trouble output: Trouble indication signal is output if trouble occurs in at least one indoor/outdoor unit in the line.
Note 1: Output Relay (K1, K2) Contact Specifications
• Output terminals (OUTPUT1, 2) must satisfy the following electrical rating.
• When connecting a conductive load (e.g. relay coil) to loads K1 and K2, insert a surge killer CR (for an AC power
supply) or a diode for preventing back electromotive force (for a DC power supply) on the bypass circuit.
OUTPUT1
CN511
PJ20
OUTPUT2
OUTPUT3
TB1
L1
L2
1
2
5
6
4
3
C1
PS
PS
K1
K2
Optional PCB
Locally procured
(See “NOTE”)
Header outdoor unit
Outdoor unit
interface PCB
Shield
wire
C1
CN511
K1, K2
L1
L2
OUTPUT1
OUTPUT2
PJ20
PS
TB1
Attached connection cable 1 (4wires)
Connector on interface side (green)
Relays
Trouble indication Lamp
Operation indication Lamp
Trouble output
Operation output
Connector on optional P.C.board side
Power supply unit
Terminal block
The optional P.C. board should be connected to the header outdoor unit (U1).
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