English 1
FXAQ20PVE
FXAQ25PVE
FXAQ32PVE
FXAQ40PVE
FXAQ50PVE
FXAQ63PVE
VRV SYSTEM
Air Conditioners
Installation manual
CONTENTS
1. SAFETY PRECAUTIONS...............................................................................................1
2. BEFORE INSTALLATION ..............................................................................................3
3. SELECTING INSTALLATION SITE................................................................................5
4. INDOOR UNIT INSTALLATION .....................................................................................6
5. REFRIGERANT PIPING WORK ....................................................................................9
6. DRAIN PIPING WORK.................................................................................................12
7. ELECTRIC WIRING WORK .........................................................................................13
8. HOW TO CONNECT WIRINGS AND WIRING EXAMPLE ..........................................14
9. FIELD SETTINGS ........................................................................................................20
10. TEST RUN....................................................................................................................21
The original instructions are written in English. All other languages are translations of the original instructions.
1. SAFETY PRECAUTIONS
Be sure to follow this “SAFETY PRECAUTIONS”.
This product comes under the term “appliances not accessible to the general public”.
This is a class A product. In a domestic environment this product may cause radio interference in which case
the user may be required to take adequate measures.
This manual classifies the precautions into WARNINGS and CAUTIONS.
Be sure to follow all the precautions below: They are all important for ensuring safety.
WARNING .........Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
CAUTION ..........Indicates a potentially hazardous situation which, if not avoided, may result in minor
or moderate injury.
It may also be used to alert against unsafe practices.
• After the installation is completed, test the air conditioner and check if the air conditioner operates properly.
Give the user adequate instructions concerning the use and cleaning of the indoor unit according to the
Operation Manual. Ask the user to keep this manual and the Operation Manual together in a handy place
for future reference.
WARNING
• Ask your local dealer or qualified personnel to carry out installation work.
Improper installation may result in water leakage, electric shocks or a fire.
• Perform installation work in accordance with this installation manual.
Improper installation may result in water leakage, electric shocks or a fire.
• Consult your local dealer regarding what to do in case of refrigerant leakage.
When the air conditioner is installed in a small room, it is necessary to take proper measures so that the
amount of any leaked refrigerant does not exceed the concentration limit in the event of a leakage.
Otherwise, this may lead to an accident due to oxygen deficiency.
• Be sure to use only the specified parts and accessories for installation work.
Failure to use the specified parts may result in the air conditioner falling down, water leakage, electric
shocks, a fire, etc.
01_EN_3P366851-14C.fm Page 1 Wednesday, October 14, 2015 3:02 PM
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