Connection Of Power Supply - Toshiba MCY-MAP0401HT Installation Manual

Power supply specifications
Select the power supply cabling and fuse of each outdoor unit from the following specifications.
• Ensure an earth leakage breaker is installed, failure to install, may result in electric shock.
• The installation fuse must be used for the power supply line of this outdoor unit.
• Be sure to use the appropriate type of over-current breaker (fuse) switch.
• Observe local regulation regarding wire size selection and installation.
3-core cable in conformance with Design 60245 IEC 66.
Do not connect the units looping via the terminal blocks (L, N).
MCY-MAP***HT 1N ~ 50 Hz 220 V-240 V
Power
supply
MCY-MAP***HT2D 1N ~ 60 Hz 220 V
Outdoor unit Maxim running
Wire size*
capacity type current
0401 type 6 mm², Max. 28 m 25A
0501 type 6 mm², Max. 25 m 28A
0601 type 6 mm², Max. 22 m 31A
* Design 60245 IEC66

Connection of power supply

◆ Power supply wire
• Connect the power supply cables and earthling wire to the power supply terminal block.
Tighten the screws on the terminal block and secure the cables with the cord clamp.
(Do not apply tension to the connecting section of the terminal block.)
(Cord clamp)
(Protective bush : Accessory)
27-EN
(Connection example)
Earth
Outdoor unit
L N
Installation
fuse
32A
32A
40A
-
Over current breaker (fuse) switch
Earth leakage breaker
Outdoor unit power supply
(Terminal block)
(Stripping length power cable)
L N 10
10
L N
90
50
Earth wire
Power cable
Power cable
For Indoor unit power supply (The outdoor unit has a separate
power supply.)
Item
Model
All models of indoor units
NOTE
• Power supply cord specification: Cable 3-core 2.5 mm², inconformity with Design 60245 IEC57.
• The connecting length indicated in the table represents the length from the pull box to the outdoor unit when the indoor units
are connected in parallel for power, as shown in the illustration below.
A voltage drop of no more than 2 % is also assumed. If the connecting length will exceed the length indicated in the table,
select the wire thickness in accordance with indoor wiring standards.
• Determine the wire size for indoor unit according to the number of connected indoor units downstream.
[Indoor unit]
Earth
L N
Indoor unit power supply
1N ~ 50 Hz, 220 V-240 V
1N ~ 60 Hz, 220 V
Earth leakage breaker
Main switch
Connection of PMV Kit
PMV Kit
Connector conversion cable
(MMK-AP***4MH (High Wall) does not use a this conversion cable.)
For details of the PMV Kit, refer to the Installation Manual.
– 14 –
Power supply wiring
Wire size
2.0 mm² Max. 20 m 3.5 mm² Max. 50 m
Earth Earth
L N L N
Pull box
Indoor unit
Pulse motor valve (Indoor unit side)
Connection cable
CN82 connector
Indoor control P.C. board
Earth
L N
PMV
EN
28-EN