Installation Of Outdoor Unit - Toshiba MCY-MAP0401HT Installation Manual

▼ Example of system wiring design
Outdoor power supply
MCY-MAP***HT : 1N ~ 50 Hz, 220 V-240 V
MCY-MAP***HT2D : 1N ~ 60 Hz, 220 V
Central remote controller power supply
6
1N ~ 50 Hz, 220 V-240 V
1N ~ 60 Hz, 220 V
5
(Option)
4
L N
Earth
U1 U2
U3 U4
1
L N U1 U2 U3 U4
Earth
Relay connector (Factory default : No connection)
[Outdoor unit]
Communication wiring between indoor and outdoor units
Communication wiring between indoor units
[Indoor unit]
2 2
PMV Kit
U1 U2 A B
(Option)
Earth
Indoor control
9
P.C. board
CN82
Earth
L N
3
A B
7 6 8
CAUTION
1. Keep the refrigerant piping system and the indoor-indoor / indoor-outdoor control wiring systems together.
2. When running power supplies and control wires parallel to each other, run them through separate conduits or
maintain a suitable distance between them.
(Current capacity of power wires: 10A or less for 300 mm, 50A or less for 500 mm)
31-EN
1 Outdoor unit
Indoor unit
2
3 Remote controller
4 Central remote controller (Option)
Over current breaker (Fuse) switch
5
6 Earth leakage breaker
7 Main switch
Pull box
8
9 PMV Kit (Option)
Connection of shield wire must be connected
(Connected to all connecting sections in each Indoor unit)
2 2
U1 U2 A B U1 U2 A B
Earth Earth
L N L N L
3 3
A B A B
Remote controller
[Group control]
8 8
7

Installation of outdoor unit

When using the outdoor unit under the following conditions, it is necessary to set up DIP switch on the outdoor unit
interface P.C. board.
CAUTION
When anyone of the following condition is applied, set up DIP switch.
1. When using PMV Kit in the MINI-SMMS system
2. When using the indoor unit under high humidity condition
[Reference]
Indoor side: 27 °C dry bulb temperature
Setup method
• Turn on DIP switch [SW08] on the interface P.C. board of the outdoor unit.
U1 U2 A B
N
– 16 –
24 °C wet bulb temperature
Operation time 4 hours or more.
Outdoor unit interface P.C. board
SW11 SW12
ON ON ON
1 2 3 4 1 2 3 4
SW06 SW07 SW08
ON ON
1 2 3 4 1 2 3 4
Switch [SW08]
SW13 SW14
ON
1 2 3 4 1 2 3 4
SW09 SW10
ON ON ON
1 1 2 3 4 1 2 3 4
EN
32-EN