Indoor Installation Manual

10
Indoor unit model
PKA-A·HA7
Minimum circuit ampacity
1A
Maximum rating of overcurrent protective device 15A
Wiring
Wire No.
× size
Indoor unit-Outdoor unit *1 3 × AWG14 (Polar)
Indoor unit earth 1 × Min. AWG14
Wired remote controller-Indoor unit *2 2 × AWG22 (Non-polar, unshielded)
Circuit
rating
Indoor unit-Outdoor unit S1-S2 *3 208/230 V AC
Indoor unit-Outdoor unit S2-S3 *3 24 V DC
Wired remote controller-Indoor unit *3 12 V DC
*1. Max. 50 m, 165 ft
*2. Max. 500 m, 1640 ft (For two wired remote controllers: Max. 200 m, 656 ft)
*3. The figures are NOT always against the ground.
S3 terminal has 24 V DC against S2 terminal. However between S3 and S1, these terminals are not electrically insulataed by the transformer or other device.
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 cords and the indoor unit/outdoor unit connecting cords.
4. Install an earth longer than other cords.
6. Electrical work
6.2. Remote controller
Note:
When using a wired remote controller together with a wireless remote
controller, use the following IR wireless remote controller.
6.2.1. For wired remote controller
1) Two wired remote controllers setting
If two wired remote controllers are connected, set one to “Main” and the other to
“Sub”. For setting procedures, refer to “Function selection of remote controller” in
the operation manual for the indoor unit.
Note:
When connecting two wired remote controllers, be sure to use the same
model of remote controller.
6.2.2. For IR wireless remote controller
1) Setting (Fig. 6-7)
1 Insert batteries.
2 Press the SET button with something sharp at the end.
blinks and Model No. is lighted.
3 Press the temp button to set the Model No.
4 Press the SET button with something sharp at the end.
and Model No. are lighted for three seconds, then turned off.
PKA (A12, A18)
heat pump models
002
cooling only models
034
Fig. 6-7
ON/OFF TEMP
FAN
VANE
TEST RUN
AUTO STOP
AUTO START
h
min
LOUVER
MODE
CHECK
RESETSET CLOCK
2,4
3
A
Simultaneous twin/triple/four system
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
S1
S2
L1
L2
GR
1
2
S1
S2
S3
S3
A
B
C
D
E
F
G
CN105
(RED)
H
I
A Outdoor unit power supply
B Wiring circuit breaker or isolating switch
C Outdoor unit
D Indoor unit/outdoor unit connecting cords
E Wired remote controller
F Indoor unit
G Indoor unit earth
H Indoor controller board
I Radio frequency interface for RF thermostat
S1
S2
L1
L2
GR
1
2
S1
S2
S3
1
2
S1
S2
S3
S3
A
C
E
F F
B
GG
D
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
A Outdoor unit power supply
B Wiring circuit breaker or isolating switch
C Outdoor unit
D Indoor unit/outdoor unit connecting cords
E Wired remote controller
F Indoor unit
G Indoor unit earth
■
Only for wired remote controller.
1:1 System
6.1.1. Indoor unit power supplied from outdoor unit (A-control application)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.