Mitsubishi Electric TRANE TPCA0A 1KA70 Series Instruction Manual page 7

6. Electrical work
6.1.1. Indoor unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
A
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Indoor unit model
Minimum circuit ampacity
Maximum rating of overcurrent protective device
Indoor unit-Outdoor unit
Indoor unit earth
Wired remote controller-Indoor unit
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Wired remote controller-Indoor unit
*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 insulated 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 600V or more for the power supply cables and the indoor unit/outdoor unit connecting cables.
4. Install an earth longer than other cables.
ON/OFF
MODE
CHECK
TEST RUN
SET
24
Fig. 6-3
1 System
C F
L1
B
L2
GR
D
S1 S1
S2 S2
S3 S3
1
E
G
2
A024, A030
1A
*1
*2 2 × AWG22 (Non-polar, unshielded)
*3
*3
*3
MODEL SELECT
A
TEMP
3
FAN AUTO STOP
VANE AUTO START
LOUVER h
min
RESET CLOCK
1:1 System
A Outdoor unit power supply
B Wiring circuit breaker or isolating switch
CN105
(RED)
C Outdoor unit
D Indoor unit/outdoor unit connecting cords
E Wired remote controller (Optional parts)
H
F Indoor unit
G Indoor unit earth
H Indoor controller board
A036, A042
2A
15A
3 × AWG14 (polar)
1 × Min. AWG14
208/230 V AC
24 V DC
12 V DC
6.2. Remote controller (Optional parts)
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 oper-
ation manual for the indoor unit.
Note:
When connecting two remote controllers, be sure to use the same model of
remote controller.
6.2.2. For IR wireless remote controller
1) Installation area
• Area in which the IR wireless remote controller is not exposed to direct sunshine.
• Area in which there is no nearby heating source.
• Area in which the IR wireless remote controller is not exposed to cold (or hot) winds.
• Area in which the IR wireless remote controller can be operated easily.
• Area in which the IR wireless remote controller is beyond the reach of children.
2) Setting (Fig. 6-3)
1 Insert batteries.
2 Press the SET button with something sharp at the end.
blinks and Model No. is lighted.
MODEL SELECT
3 Press the temp
If you mistook the operation, press the ON/OFF
from procedure 2.
4 Press the SET button with something sharp at the end.
and Model No. are lighted for 3 seconds, then turned off.
MODEL SELECT
TPCA (A024, A030, A036, A042)
3) Assigning a IR wireless remote controller to each unit
Each unit can be operated only by the assigned IR wireless remote controller.
Make sure each pair of an indoor unit PC board and a IR wireless remote controller
is assigned to the same pair No.
buttons to set the Model No.
button and operate again
Heat pump models
Cooling only models
en
001
033
6