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3
CAUTION
Installation
• Always check for gas (refrigerant) leakage after installation or repair of product.
- Low refrigerant levels may cause failure of product.
• Do not install the product where the noise or hot air from the outdoor unit could dam-
age the neighborhoods.
- It may cause a problem for your neighbors.
• Keep level even when installing the product.
- To avoid vibration or water leakage.
• Do not install the unit where combustible gas may leak.
- If the gas leaks and accumulates around the unit, an explosion may result.
• Use power cables of sufficient current carrying capacity and rating.
- Cables that are too small may leak, generate heat, and cause a fire.
• Do not use the product for special purposes, such as preserving foods, works of art,
etc. It is a consumer air conditioner, not a precision refrigeration system.
- There is risk of damage or loss of property.
• Keep the unit away from children. The heat exchanger is very sharp.
- It can cause the injury, such as cutting the finger. Also the damaged fin may result
in degradation of capacity.
• When installting the unit in a hospital, communication station, or similar place, pro-
vide sufficient protection against noise.
-
The inverter equipment, private power generator, high-frequency medical
equipment, or radio communication equipment may cause the air conditioner to
operate erroneously, or fail to operate. On the other hand, the air conditioner
may affect such equipment by creating noise that disturbs medical treatment or
image broadcasting.
• Do not install the product where it is exposed to sea wind (salt spray) directly.
- It may cause corrosion on the product. Corrosion, particularly on the condenser and
evaporator fins, could cause product malfunction or inefficient operation.
Operation
• Do not use the air conditioner in special environments.
-
Oil, steam, sulfuric smoke, etc. can significantly reduce the performance of the air condi-
tioner or damage its parts.
• Do not block the inlet or outlet.
- It may cause failure of appliance or accident.
• Make the connections securely so that the outside force of the cable may not be ap-
plied to the terminals.
- Inadequate connection and fastening may generate heat and cause a fire.
• Be sure the installation area does not deteriorate with age.
- If the base collapses, the air conditioner could fall with it, causing property damage,
product failure, or personal injury.
•
Install and insulate the drain hose to ensure that water is drained away properly based on
the installation manual.
- A bad connection may cause water leakage.
• Be very careful about product transportation.
- Only one person should not carry the product if it weighs more than 20kg(44lbs).
-
Some products use PP bands for packaging. Do not use any PP bands for a means
of transportation. It is dangerous.
- Do not touch the heat exchanger fins. Doing so may cut your fingers.
- When transporting the outdoor unit, suspending it at the specified positions on the
unit base. Also support the outdoor unit at four points so that it cannot slip side-
ways.
• Safely dispose of the packing materials.
-
Packing materials, such as nails and other metal or wooden parts, may cause stabs or
other injuries.
-
Tear apart and throw away plastic packaging bags so that children may not play with
them. If children play with a plastic bag which was not torn apart, they face the risk of
suffocation.
• Turn on the power at least 6 hours before starting operation.
- Starting operation immediately after turning on the main power switch can result in
severe damage to internal parts. Keep the power switch turned on during the opera-
tional season.
• Do not touch any of the refrigerant piping during and after operation.
- It can cause a burn or frostbite.
• Do not operate the air conditioner with the panels or guards removed.
- Rotating, hot, or high-voltage parts can cause injuries.
• Do not directly turn off the main power switch after stopping operation.
- Wait at least 5 minutes before turning off the main power switch. Otherwise it may
result in water leakage or other problems.
•
Auto-addressing should be done in condition of connecting the power of all indoor and out-
doour units. Auto-addressing should also be done in case of changing the indoor unit PCB.
• Use a firm stool or ladder when cleaning or maintaining the air conditioner.
- Be careful and avoid personal injury.
• Do not insert hands or other objects through the air inlet or outlet while the air condi-
tioner is plugged in.
- There are sharp and moving parts that could cause personal injury.
TABLE OF CONTENTS
2 TIPS FOR SAVING ENERGY
2 IMPORTANT SAFETY INSTRUCTIONS
4 INSTALLATION PROCESS
4 OUTDOOR UNITS INFORMATION
4 ALTERNATIVE REFRIGERANT R410A
5 SELECT THE BEST LOCATION
5 INSTALLATION SPACE
7 Air guide work
7 LIFTING METHOD
8 INSTALLATION
8 The location of the Anchor bolts
8 Foundation for Installation
9 Preparation of Piping
10 Plumbing materials and storage methods
10 REFRIGERANT PIPING INSTALLATION
10 Precautions on Pipe connection / Valve operation
11 PIPE CONNECTIONS BETWEEN INDOOR
AND OUTDOOR UNIT
11 Preparation Work
11 Pipe Drawing Out during Single / Series connection
12 Selection of Refrigerant Piping
13 Refrigerant piping system
15 Refrigerant charging
15 Distribution Method
16 Branch pipe Fitting
17 Leak Test and Vacuum drying
18 Vacuum Mode
18 Thermal insulation of refrigerant piping
19 ELECTRICAL WIRING
19 CAUTION
20 Control box and connecting position of wiring
20 Communication and Power Cables
20 Wiring of main power supply and equipment capacity
21 Field Wiring
22 Checking the setting of outdoor units
22 Automatic Addressing
23 Group Number setting
23 Cool & Heat selector
23 Static pressure compensation mode
24 Night Low Noise Function
24 Setting the ODU address
24 Snow removal & rapid defrost
24 Target pressure adjusting
25 Base Pan Heater setting
26 Self-Diagnosis Function
28 CAUTION FOR REFRIGERANT LEAK
28 Introduction
28 Checking procedure of limiting concentration
29 INSTALLATION GUIDE AT THE SEASIDE
29 Model Designation
29 Airborne Noise Emission
!
ENGLISH
1,MFL67798024,영영 18. 7. 19. 영영 2:13 Page 3
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