Mitsubishi Electric Mr.SLIM PKA-A12GA Manual De Instalación página 9

6.
Electrical work
6.1.3. K-control application
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
<For cooming onmy modems> <For heat pump modems>
© ® © @
® ®
@
@
(_) Outdoor unit power supply
(_) Wiring circuit breaker or isolating switch
C-C} Outdoor unit
(_) Indoor unit/outdoor unit connecting cords
Remote controller (Only for PKA-A.GA)
(_ Indoor unit <For heat pump models>
(G'_ Indoor unit <For cooling only models>
(_ Indoor unit power supply
Set the DIP switch of the indoor
unit control board.
SW5 1 2 3
SW5-1 :ON SW5-2, 3 : OFF
Set the DIP switch of the indoor
unit control board.
SW5 1 2 3
SW5-1,2 :ON SW5-3 : OFF
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
<For heat pump models> <For cooling only models> _) Outdoor unit power supply
.
© @ @ © @ @
@
Set the DIP switch of the indoor
unit control board.
© Main indoor (_) Sub indoor
123 1123 I
SW5
SW5-1 : ON SW5-1 : ON
SW5-2 : OFF SW5-2 : OFF
SW5-3 : OFF SW5-3 : ON
@
Set the DIP switch of the indoor
unit control board.
(_ Main indoor (_ Sub indoor
1 23 1 23 I
SW5
SW5-1 : ON SW5-1 : ON
SW5-2 : ON SW5-2 : ON
SW5-3 : OFF SW5-3 : ON
(_) Wiring circuit breaker or isolating switch
C-C} Outdoor unit
(_) Indoor unit/outdoor unit connecting cords
_E_Remote controller (Only for PKA-A.GA)
(_ Main indoor unit <For heat pump models>
(G'_ Sub indoor unit <For heat pump models>
(_ Indoor unit power supply
(_) Main indoor unit <For cooling only models>
Sub indoor unit <For cooling only models>
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
To change to K-control, set the DIP switch (SW5) of the indoor unit control board as
shown in the above figure and change the electric wiring of the indoor unit as shown
in the right figure.
Set up Dip switch after turning off Power supply switch.
Be careful that setting the DIP switch (SW5) of the indoor unit control board varies
between the heat pump models and cooling models of the outdoor unit.
DIP switch (SW5)
OFF ON
SW5-1 A_CONTROL K-CONTROL
SW5-2 heat pump models cooling only models
_ Dip switch SW5-2 and SW5-3 is effective only
sw5-3 MAIN SUB _Jwhen Dip switch SW5-1 (K-CONTROL) is ON.
* There are three types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
Indoor unit model PKA
Indoor unit power supply Single 208/230 V, 60 Hz
Minimum circuit ampacity 1 A
Maximum rating of overcurrent protective device 15A
Indoor unit power supply 2 x Min. AWG16
-_ Indoor unit power supply earth 1 x Min. AWG16
× H/P: 3 x AWG22 (polar)
_;_ C/O: 2 x AWG22 (polar)
Indoor unit-Outdoor unit "1
Indoor unit earth
Remote controller-Indoor unit *2 2 x AWG22 (Non-polar)
Indoor unit L1-L2 *3 AC 208/230 V
# _ Indoor unit-Outdoor unit $1-$2 *3 DC12 V
E "_ Indoor unit-Outdoor unit $1 -$3 *3 D012 V
_5
Remote controller-Indoor unit *3 DC12 V
41. Max. 50 m, 185 ft
42. The 10 m, 30 ft wire is attached in the remote controller accessory. Max. 500 m, 1500 ft
43. The figures are NOT always against the ground.
Notes:
1. Wiring size must comply with the applicable local and national code.
2. Use copper supply wires.
3. Use wires rated 300V or more for the power supply cables.
4. mnstamm an earth monger than other cabmes.
Connectors
INDOOR UNIT
CONTROL BOARD
To change to the K-control,
make sure to change the
INDOOR UNIT
CONTROL BOARD
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