Toshiba MCY-MHP0404HT-E Engineering Data Book page 38

5
Outdoor unit
Model
Appearance
name
Size : 73 x 79 (mm)
Application
* Installation the optional PCB
in the interface board of the
outdoor unit.
[PCB Installation Position]
There are holes on the metal of interface PCB, and the optional
PCBs are installed.
Two kinds of the optional PCBs are able to install on it.
Error / Operation Output
▼ Function
The operation error output PCB can indicate operation and error states by
connecting to the interface PCB of outdoor units.
▼ Operation
Operation output: The operation indicator is on while any indoor unit in the
Error output:
Wiring example
Outdoor unit
C1
interface PCB
SW16
CN511
ON
OFF
1 2 3 4
C1
CN511
K1, K2
L1
L2
OUTPUT1
OUTPUT2
PJ20
PS
TB1
* [OUTPUT3] is displayed when power is turned on.
Installation position of optional PCB
Interface PCB
Function
system is operating.
The error indicator is on when an error is occurred on even
one of the indoor or outdoor units in the system.
Locally procured
Optional PCB
TB1
L1
1
K1 OUTPUT1
2
L2
3
PJ20 K2
OUTPUT2
4
5
Shield
OUTPUT3
6
wire
Attached connection cable 1 (4wires)
Connector on interface side (green)
Relays
Error indication Lamp
Operation indication Lamp
Error output
Operation output
Connector on optional PCB side
Power supply unit
Terminal block
TCB-PCDM4E
In case of
TCB-PCMO4E
TCB-PCDM4E
37
PS
PS
TCB-PCIN4E TCB-PCMO4E
In case of
In case of
TCB-PCIN4E
TCB-PCDM4E
TCB-PCMO4E
TCB-PCIN4E