Service Manual
1-229
INSTALLATION
8.3 Position of Electrical Wiring Connection
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The electrical wiring connection for the indoor unit is shown in Section 8.2.2. For details relating to the
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decorative panel.
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arrangement for the outdoor unit before performing any wiring. Tighten screws in the terminal block as
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1. Connect the cable for the optional controller or the optional extension cable to the terminals inside the
electrical box through the connecting hole of the cabinet.
2. Connect the power supply and the ground wiring to the terminals in the electrical box.
3. Connect the cables between the indoor unit and the outdoor unit to the terminals inside the electrical box.
4. Connect cables to their corresponding terminal number and the similarly marked band.
5. Connect the communication cable between those indoor units connected to the same outdoor unit.
6.
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7. Tightly clamp the power supply wiring and communication cables using the cable clamp inside the
electrical box.
NOTE:
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as shown at right and connect it in order to tighten
the washer uniformly. The screws at the terminal
block should be tightened according to the torque
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(A)
(B)
(C)
Screw
Tightening Torque for Terminals
Screw Size
Tightening Torque
TB1
M4
0.7 - 1.0
(1.0 - 1.3
ft·lbs
N·m)
TB2
M3.5
0.9
(1.2
ft·lbs
N·m)
Terminal Block for
Power Supply Wiring
TB1 (black)
Terminal Block for
Communication Cable
TB2 (white)
Mp/N
S/L2
R/L1
A
B
1
2
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board (PCB) will be destroyed.
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Attach a piece of insulation tape or a sleeve at each terminal.
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Maintain the recommended distance between the electrical box
and the terminals to prevent a short circuit.
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Maintain the recommended distance between terminals.
NOTICE
Stranded Wire
Single Wire
Connect it with
Crimping Terminal.
Connect it Direct
As Shown Below.
Summary of Contents for YVAHP072B31S
Page 2: ......
Page 10: ...viii Service Manual ...
Page 16: ......
Page 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Page 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Page 920: ......
Page 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Page 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Page 1728: ......
Page 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Page 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
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Page 1796: ... 2015 Johnson Controls Inc SM 15001 ...