English
1
BS4Q14AV1
BS6Q14AV1
BS8Q14AV1
BS10Q14AV1
BS12Q14AV1
BS16Q14AV1
VRV
IV
SYSTEM Air Conditioners
Installation manual
CONTENTS
1. SAFETY PRECAUTIONS ...............................................................................................1
2. BEFORE INSTALLATION ...............................................................................................3
3. SELECTING INSTALLATION SITE .................................................................................5
4. PREPARATIONS BEFORE INSTALLATION ...................................................................6
5. BS UNIT INSTALLATION ................................................................................................6
6. REFRIGERANT PIPING WORK .....................................................................................7
7. DRAIN PIPING WORK .................................................................................................12
8. ELECTRIC WIRING WORK ..........................................................................................14
9. INITIAL SETTING .........................................................................................................20
10. ADDING AN ADDITIONAL CHARGE OF REFRIGERANT ..........................................21
11. CHECK OPERATION AND TEST OPERATION ...........................................................21
The original instructions are written in English. All other languages are translations of the original instruc-
tions.
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.
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.
•
Install the air conditioner on a foundation that can withstand its mass.
Insufficient strength may result in the air conditioner falling down and causing injury.
In addition, it may lead to vibration of indoor units and cause unpleasant chattering noise.
• Carry out the specified installation work in consideration of strong winds, typhoons, or earthquakes.
Improper installation may result in an accident such as air conditioner falling.
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