Error / Operation Output - Toshiba MCY-MHP0305HT-C Service Manual

7-3-8. Error / Operation output

Outdoor unit
Outdoor unit
interface PCB
SW16
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) 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, 1 A or less
24 VDC, 10 mA or more, 1 A or less (non-conductive load)
C1 Connector cable 1
CN511 Connector on Interface side (green)
K1,K2 Relays
L1 Error indication Lamp
L2 Operation indication Lamp
OUTPUT1 Error output
OUTPUT2 Operation output
PJ20 Connector on optional PCB side
PS Power supply unit
TB1 Terminal block
Optional PCB
TB1
C1
K1 OUTPUT1
C N 5 1 1 P J 2 0
OUTPUT2
K2
OUTPUT3
38
61
Locally procured
(See "NOTE")
L1 PS
L2 PS
Shield
wire