Johnson Controls YVAHP072B31S, Service Manual

Page: 5 / 1796

Service Manual
iii
1. Introduction
2. Important Safety Instructions
This manual should be considered as a permanent part of the air conditioning equipment and should
remain with the air conditioning equipment.
(Transportation/Installation Work) > (Refrigerant Piping Work) > (Electrical Wiring Work) > (Ref. Charge Work) > (Test
Run) > (User)
This manual concentrates on the Outdoor Heat Pump Unit. Read this installation and maintenance manual
carefully before installation. Read over the installation manual for the Indoor Unit also.
Signal Words
Indicates a hazardous situation that, if not avoided, could result in death or
serious injury.
Indicates a hazardous situation that, if not avoided, could result in minor or
moderate injury.
Indicates information considered important, but not hazard-related (for
example, messages relating to property damage).
General Precautions
To reduce the risk of serious injury or death, read these instructions thoroughly
and follow all warnings or cautions included in all manuals that accompanied
the product and are attached to the unit.
Refer back to these safety
instructions as needed.
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against possible damage or injury that might occur in an earthquake if the unit is not installed correctly,
injuries may occur due to a falling unit.
Ɣ Use appropriate Personal Protective Equipment (PPE), such as gloves and protective goggles and,
where appropriate, have a gas mask nearby. Also use electrical protection equipment and tools suited
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Use care in handling, rigging, and setting of bulky equipment.
Ɣ When transporting, be careful when picking up, moving and mounting these units. Although the unit may
be packed using plastic straps, do not use them for transporting the unit from one location to another. Do
not stand on or put any material on the unit. Get a partner to help, and bend with your knees when lifting
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so wear protective gloves.
Ɣ Do not touch or adjust any safety devices inside the indoor or outdoor units. All safety features,
disengagement, and interlocks must be in place and functioning correctly before the equipment is put
into operation. If these devices are improperly adjusted or tampered with in any way, a serious accident
can occur. Never bypass or jump-out any safety device or switch.
Ɣ Johnson Controls will not assume any liability for injuries or damage caused by not following steps
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prohibited as they…
ƕ May create hazards which could result in death, serious injury or equipment damage;
ƕ Will void product warranties;
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ƕ May violate OSHA standards;