Gree Ultra Heat GMV-V72W/A-F, Service Manual

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Ultra Heat GMV VRF Technical Service Manual PREFACE AND SAFTY PRECAUTIONS
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Installation
Have all electric work done by a licensed electrician according to "Electric Facility Engineering
Standard" and "Interior Wire Regulations" and the instructions given in this manual and always
use a special circuit.
If the power source capacity is inadequate or electric work is performed improperly, electric shock or fire
may result.
Ask the dealer or an authorized technician to install the air conditioner.
Improper installation by the user may result in water leakage, electric shock, or fire.
Always ground the product.
There is risk of fire or electric shock.
Always install a dedicated circuit and breaker.
Improper wiring or installation may cause fire or electric shock.
For re-installation of the installed product, always contact a dealer or an Authorized Service
Center.
There is risk of fire, electric shock, explosion, or injury.
Do not install, remove, or re-install the unit by yourself (customer).
There is risk of fire, electric shock, explosion, or injury.
Do not store or use flammable gas or combustibles near the air conditioner.
There is risk of fire or failure of product.
Use the correctly rated breaker or fuse.
There is risk of fire or electric shock.
Prepare for strong wind or earthquake and install the unit at the specified place.
Improper installation may cause the unit to topple and result in injury.
Do not install the product on a defective installation stand.
It may cause injury, accident, or damage to the product.
When installing and moving the air conditioner to another site, do not charge it with a different
refrigerant from the refrigerant specified on the unit.
If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction
and the unit may be damaged.
Do not reconstruct to change the settings of the protection devices.
If the pressure switch, thermal switch, or other protection device is shorted and operated forcibly, or
parts other than those specified by GREE are used, fire or explosion may result.
Ventilate before operating air conditioner when gas leaked out.
It may cause explosion, fire, and burn.
Securely install the cover of control box and the panel.
If the cover and panel are not installed securely, dust or water may enter the outdoor unit and fire or
electric shock may result.