Wiring Specifications; Field Electrical Wiring; Power Wiring Specifications; Synchronized Twin And Triple System Electrical Wiring - Mitsubishi Electric PUHZ-RP250YHA2 Service Manual

8

WIRING SPECIFICATIONS

8-1. FIELD ELECTRICAL WIRING (power wiring specifications)
P200, P250
Outdoor unit model
Outdoor unit
Power supply
Outdoor unit input capacity
Main switch (Breaker)
Outdoor unit power supply
Wiring
Indoor unit-Outdoor unit
Wire No.
Indoor unit-Outdoor unit earth
2
size(mm )
Remote controller-Indoor unit
Outdoor unit L1-N, L2-N, L3-N
Indoor unit-Outdoor unit S1-S2
Circuit rating
Indoor unit-Outdoor unit S2-S3
Remote controller-Indoor unit
*1. A breaker with at least 3.0 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
*2. Max. 80 m Total Max. including all indoor/indoor connection is 80 m.
• Use one cable for S1 and S2 and another for S3 as shown in the picture.
• Max. 50m Total Max. for PEA-200, 250, 400, 500
Wiring size 3 1.5(Polar)
*3. The 10 m wire is attached in the remote controller accessory.
*4. The figures are NOT against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cords and Indoor unit/Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord.
(Design 60245 IEC 57)
3. Use an earth wire which is longer than the other cords so that it will not become disconnected when tension is applied.
A-Control
Outdoor Unit
Warning:
In case of A-control wiring, there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation
between power line and communication signal line. Therefore, please turn off the main power supply when servicing.
And do not touch the S1, S2, S3 terminals when the power is energized. If isolator should be used between indoor unit and outdoor unit, please use
3-pole type.

Synchronized twin and triple system Electrical wiring

• Synchronized twin
Outdoor Outdoor
unit unit
L
1
L
2
L
Unit
3
power
N
supply
S1
Earth leakage breaker
S2
Wiring circuit breaker or
S3
isolating switch
Phase
Frequency & Voltage
380/400/415V 50Hz
3 phase(4 wires)
Isolator
S1
S2
S3
Indoor
unit
1
Remote
controller
2
Indoor/outdoor
unit connection
cable
S1
S2
S3
*1
*2 Cable length 50 m : 3
*3
*4
*4
*4
3 poles isolator
• Synchronized triple
Indoor
unit
1
Unit
power
2
supply
S1
S2 Earth leakage breaker
Wiring circuit breaker or
S3
isolating switch
14
RP200, 250
3N~(3ph 4-wires), 50 Hz,
380 - 400 - 415 V
32 A
5 Min. 4
4 (Polar)/Cable length 80 m : 3
1 Min. 2.5
2 0.69 (Non-polar)
AC 220 - 230 - 240 V
AC 220 - 230 - 240 V
DC 24 V
DC 14 V
S1
A-Control
S2
Indoor Unit
S3
Outdoor
unit
Indoor
L
1
unit
L
2
1
L
Remote
3
controller
N 2
Indoor/outdoor
connection cable
S1 S1
S2 S2
S3 S3
6 (Polar)
Indoor Indoor
unit unit
1
1
2 2
S1 S1
S2 S2
S3 S3