Connecting Diagram - Toshiba MCY-MHP0404HT-E Engineering Data Book

5
Outdoor unit

5-6. Connecting diagram

MCY-MHP0404HT-E, MCY-MHP0504HT-E, MCY-MHP0604HT-E
Outdoor power supply
1N~ 50Hz 220-240V
L N
Earth
Indoor control
PC boad
Earth
L N
Indoor unit
power supply
1N~ 50Hz
220-240V
Central remote controller power supply
1N~ 50Hz 220-240V
L N
Earth
U1 U2
U3 U4
(Open)
CN02
U1 U2 U3 U4
*1
CN01
W1
W2
U1 U2 A B
E r a h t
L N
A B
(1) Outdoor unit
(2) Indoor unit
(3) Remote controller
(4) Central remote controller (option)
(5) Main switch (Fuse)
(6) Circuit breaker (Earth leakage breaker)
(7) Pull box
(8) PMV Kit (option)
W1 Control wiring between indoor and outdoor units.
W2 Control wiring between indoor units.
(Note)
1. When perform a central control, connect the wire of CN01 in CN02. (Factory
default : No connection)
2. Connection of shield wire must be connected. (Connected to all connecting
sections in each Indoor unit)
3. Group control
4. Select the power supply wiring and fuse of outdoor/indoor units according to each
models specification. Perform wiring of power supply complying with the rules
and regulations of the local electric company.
5. Fro the control wires connecting indoor units, outdoor units, and between indoor
and outdoor units, use 2-core and non-polarity shield wires.
6. As for details, see the wiring diagram of indoor/outdoor unit.
U 1 U 2 A B
E r a h t
L N
A B
33
*2
U 1 U 2 A B
E r a h t
L N
*3
A B
U 1 U 2 A B