1-210
Service Manual
INSTALLATION
Refrigerant Precautions
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precautions must be followed.
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have been approved for use in the countries or markets they serve. The refrigerant used in this unit
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the warranty and will increase the potential risk of injury or death.
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allowable concentration in the event that refrigerant gases should escape. Refrigerant gases can
cause asphyxiation (0.026 lbs/ft
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(0.42 kg/m
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) based on ISO 5149 for R410A). Consult with your
distributor for countermeasures (ventilation system and so on). If refrigerant gas has leaked during the
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contact your service contractor. Refrigerant (Fluorocarbon) for this unit is odorless. If the refrigerant
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and make sure to securely connect the refrigerant piping before the compressor starts operating. If
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A compressor/unit comprises a pressurized system. Never loosen threaded joints while the system is
under pressure and never open pressurized system parts.
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compressor stops.
Electrical Precautions
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explosion resulting in serious injury or death.
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Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and
these instructions when wiring. Improper connections and inadequate grounding can cause serious
injury or death.
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disconnected. Check with meter and equipment.
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Only use electrical protection equipment and tools suited for this installation.
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Communication cable shall be a minimum of AWG18 (0.82mm
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Shielded cable must be considered for applications and routing in areas of high EMI and other
sources of potentially excessive electrical noise to reduce the potential for communication errors.
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per application and local code requirements.
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shut down the system and contact your service contractor.
Summary of Contents for YVAHP072B31S
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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 ...
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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 ...