Electrical Work - Mitsubishi Electric Mr.SLIM PCH-GAK Manual De Instalación

6. Electrical work
Fig. 6-1
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
<For heat pump models>
<For heat pump models>
Set the DIP switch (SW5-3) of the indoor unit control board.
G Main indoor
SW5
SW5-1: ON SW5-1: ON
SW5-2: OFF SW5-2: OFF
SW5-3: OFF SW5-3: ON
Indoor unit model
Indoor unit power supply (Heater)
Indoor unit input capacity (Heater)
Main switch/Fuse
Indoor unit power supply (heater)
Indoor unit power supply (heater) earth
Wiring wire No. × size
Indoor unit- Outdoor unit
(mm 2 )
Indoor unit- Outdoor unit earth
Remote controller -Indoor unit
Indoor unit (Heater) L-N
Indoor unit-Outdoor unit 1-2
Circuit rating
Indoor unit-Outdoor unit 1-3
Remote controller -Indoor unit
*1 Max. 50 m
*2 The 10 m wire is attached in the remote controller accessory. Max. 500 m
Note:
1. Wiring size must comply with the applicable local and national code.
2. Power supply cords and Indoor/Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord. (Design 60245 IEC57)
3. Install an earth longer than other cables.
4. For the outdoor unit, the transformer connection must be selected depending on the power supply voltage, 0/30 V or 40 V. (For heat pump models)
5. A breaker with at least 3.0 mm contact separation in each pole shall be provided. Use non-fuse breaker (NF) or earth leakage breaker (NV).
6
<For cooling only models>
Simultaneous twin system
<For cooling only models>
Set the DIP switch (SW5-3) of the indoor unit control board.
H Sub indoor
SW5
SW5-1: ON
SW5-2: ON
SW5-3: OFF
6.1. Indoor unit (Fig. 6-1)
Wiring procedures
1. Remove the beam.
2. Remove the (two) tapping screws then remove the electric part cover.
3. Connect the electric wires securely to the corresponding terminals.
4. Replace the removed parts.
5. Tie the electric wires with the local wiring clamp located in the right side of the
junction box.
A Cover
B Set screws
C Beam
D Wiring clamp
E Power supply board
F Control board
G Wire service entrance
H Terminal block for electric heater power supply (for only PCH models)
I Terminal block for indoor and outdoor units connection
J Terminal block for remote controller
K Grounding cable connector
1:1 System
K Main indoor L Sub indoor
SW5-1: ON
SW5-2: ON
SW5-3: ON
PC
~N (single),50 Hz, 220 - 240 V/60 Hz, 220 V
16 A/16 A
*1 2 × Min. 0.3 mm
2
–
*2 2 × Min. 0.3 mm (Non-Polar)
2
AC220 - 240 V
DC12 V
–
DC12 V
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cords
F Remote controller
G Indoor unit <For heat pump models>
H Indoor unit <For cooling only models>
J Indoor unit power supply
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cords
F Remote controller
G Main indoor unit <For heat pump models>
H Sub indoor unit <For heat pump models>
J Indoor unit power supply
K Main indoor unit <For cooling only models>
L Sub indoor unit <For cooling only models>
When setting the sub indoor unit, set the
DIP switch (SW5-3) of the indoor unit con-
trol board to ON.
PCH
16 A/16 A
(16 A/16 A)
2 × Min. 1.5 mm
2
1 × Min. 1.5 mm
2
3 × Min. 0.3 mm
–
2 × Min. 0.3 mm (Non-Polar)
2
AC220 - 240 V
DC12 V
DC12 V
DC12 V
2