User Guide

Installation & Operation Manual - VFH-MB 09/12/18/24 Series
21
1. Select the installation location according to the
requirements of this manual.(See the requirements in
installation section)
2. Handle unit transportation with care; the unit should not
be carried by only one person if it is more than 40 lbs.
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VXI¿FLHQWmounting method must be used; make sure the
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4. Wear safety harness if the height of working is above six
feet.
5. Use supplied components or recommended components
during installation.
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¿Qishing installation.
Electrical Safety Precautions:
7. Notes for Installation and Maintenance
1. Cut off the power supply of air conditioner before
service and maintenance.
2. The air conditioner must connect to a dedicated
circuit and not share the same circuit with other
appliances.
3. The air conditioner should be installed in a
suitable location.
4. Make sure each wiring terminal is connected firmly
during installation and maintenance.
5. Have the unit adequately grounded. The grounding
wire can’t be used for other purposes.
6. Must apply protective accessories such as protective
boards, cable-cross loops and wire clips.
7. The live wire, neutral wire and grounding wire of
power supply must correspond to the live wire,
neutral wire and grounding wire of the air conditioner.
8. The power cord and power connection wires should
not be pinched by hard objects.
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poisonous gas.
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other refrigerant. Never leave air in the refrigerant line as
it may lead to rupture or other hazards or failures.
3. Make sure no refrigerant gas is leaking when
installation is completed.
4. If there is refrigerant leakage, please take sufficient
measure to minimize the density of refrigerant.
5. Never touch the refrigerant piping or compressor without
wearing gloves to avoid scald or frostbite.
Safety Precautions:
Important!
Please read the safety precautions carefully before instal-
lation and maintenance.
The following contents are very important for installation
and maintenance.
Please follow the instructions below.
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instructions.
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electrical codes.
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manual.
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technician according to local regulations and the
instructions given in this manual.
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3URKLELW incorrect operation to prevent electric shock,
casualty and other accidents.
Warnings
Refrigerant Safety Precautions:
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electric shock or injury.
Installation Safety Precautions:
Part
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: Installation and Maintenance
9. If power cord or connection wire is broken, it must be
be replaced by a qualified person.
10. A disconnect switch must be installed in the circuit.
The disconnect switch should be all-pole parting and
the contact parting distance should be more than 3mm.
11. Make sure all wires and pipes are connected properly
and the valves are opened before energizing.
12. Check if there is electric leakage on the unit body. If yes,
please eliminate the electric leakage.
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if it is burnt; don’t replace it with a copper wire or
conducting wire.