Error/Operation Output; Output Relay (K1, K2, K3) Contact Specifications - Toshiba MMY-MAP0804HT8-E Service Manual

6-8-7. Error/Operation Output

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.
Error output: An error indication signal is output if an error occurs in at least one indoor/outdoor unit in the line.
Note 1: Output Relay (K1, K2, K3) Contact Specifications
• Output terminals (OUTPUT1, 2, 3) must satisfy the following electrical rating.
• When connecting a conductive load (e.g. relay coil) to loads K1, K2 and K3, 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.
<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)
C1
CN511
K1,K2
L1
L2
OUTPUT1
OUTPUT2
PJ20
TB1
The optional P.C. board should be connected to the header outdoor unit (U1).
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Header outdoor unit
Outdoor unit
interface PCB
SW16
CN511
ON
OFF
1 2 3 4
Connector cable 1
Connector on Interface side (green)
Relays
Error indication Lamp
Operation indication Lamp
Error output
Operation output
Connector on optional PCB side
Terminal block
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Locally procured
Optional PCB
TB1
C1
1
K1
OUTPUT1
2
3
PJ20 K2
OUTPUT2
4
5
OUTPUT3 Shield
6
wire
115
(See "NOTE")
L1 PS
L2 PS