Trouble/Operation Output - Toshiba MMY-MAP1006FT8(J)P-E Service Manual

6-2-7. Trouble/Operation Output

Model name : TCB-PCIN4E
Header outdoor unit
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.
Failure output: A failure indication signal is output if check code 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.
<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
PS
TB1
The optional P.C. board should be connected to the header outdoor unit (U1).
Optional PCB
Outdoor unit
C1
interface PCB
SW16
CN511
PJ20
ON
OFF
1 2 3 4
Attached connection cable 1 (4wires)
Connector on interface side (green)
Relays
Failure indication Lamp
Operation indication Lamp
Failure output
Operation output
Connector on optional PCB side
Power supply unit
Terminal block
Locally procured
(See "NOTE")
TB1
L1
1
K1
OUTPUT1
2
L2
3
K2
OUTPUT2
4
5
Shield
OUTPUT3
6
wire
− 91 −
PS
PS