Error/Operation Output - Toshiba MMY-MAP0724HT6UL Service Manual

7-2-7. 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>
24 V or less (AC / DC), 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
TB1 Terminal block
The optional P.C. board should be connected to the header outdoor unit (U1).
Header outdoor unit
Outdoor unit
Optional PCB
interface PCB
Locally procured
(See "NOTE")
Shield
wire
56