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1. SAFETY PRECAUTIONS

1.1. IMPORTANT! Please read before starting

This air conditioning system meets strict safety and operating standards.
As the installer or service person, it is an important part of your job to install or service the 
system so it operates safely and ef

fi

 ciently.

For safe installation and trouble-free operation, you must:

•  Carefully read this instruction booklet before beginning.
•  Follow each installation or repair step exactly as shown.
•  Observe all local, state, and national electrical codes.
•  Pay close attention to all warning and caution notices given in this manual.

WARNING:

  

This symbol refers to a hazard or unsafe practice which can result in 

 

 

severe personal injury or death.

 

CAUTION:

  

This symbol refers to a hazard or unsafe practice which can result in 

 

 

personal injury and the potential for product or property damage.

•  Hazard alerting symbols

 

 Electrical

 

 Safety/alert

If Necessary, Get Help

These instructions are all you need for most installation sites and maintenance conditions. 
If you require help for a special problem, contact our sales/service outlet or your certi

fi

 ed 

dealer for additional instructions.

In Case of Improper Installation

The manufacturer shall in no way be responsible for improper installation or maintenance 
service, including failure to follow the instructions in this document.

1.2. Special precautions

When Wiring

ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A 
QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYS-
TEM.

•  Do not supply power to the unit until all wiring and tubing are completed or reconnected 

and checked.

•  Highly dangerous electrical voltages are used in this system. Carefully refer to the wir-

ing diagram and these instructions when wiring. Improper connections and inadequate 
earthing (grounding) can cause accidental injury or death.

•  Earth (Ground) the unit following local electrical codes.
•  Connect all wiring tightly. Loose wiring may cause overheating at connection points and 

a possible 

fi

 re hazard.

When Transporting

Be careful when picking up and moving the indoor and outdoor units. Get a partner to 
help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin 
aluminum 

fi

 ns on the air conditioner can cut your 

fi

 ngers.

When Installing...

...In a Ceiling or Wall

Make sure the ceiling/wall is strong enough to hold the unit’s weight. It may be necessary 
to construct a strong wood or metal frame to provide added support

.

...In a Room

Properly insulate any tubing run inside a room to prevent “sweating” that can cause drip-
ping and water damage to walls and 

fl

 oors.

...In Moist or Uneven Locations

Use a raised concrete pad or concrete blocks to provide a solid, level foundation for the 
outdoor unit. This prevents water damage and abnormal vibration.

...In an Area with High Winds

Securely anchor the outdoor unit down with bolts and a metal frame. 
Provide a suitable air baf

fl

 e.

...In a Snowy Area (for Heat Pump-type Systems)

Install the outdoor unit on a raised platform that is higher than drifting snow.

When Connecting Refrigerant Tubing

•  Keep all tubing runs as short as possible.
• Use 

the 

fl

 are method for connecting tubing.

•  Apply refrigerant lubricant to the matching surfaces of the 

fl

 are and union tubes before 

connecting them, then tighten the nut with a torque wrench for a leak-free connection.

•  Check carefully for leaks before opening the refrigerant valves.

NOTES:

Depending on the system type, liquid and gas lines may be either narrow or wide. There-
fore, to avoid confusion the refrigerant tubing for your particular model is speci

fi

 ed  as 

either “small” or “large” rather than as “liquid” or “gas”.

When Servicing

•  Turn the power OFF at the main circuit breaker panel before opening the unit to check 

or repair electrical parts and wiring.

• Keep 

your 

fi

 ngers and clothing away from any moving parts.

•  Clean up the site after you 

fi

 nish, remembering to check that no metal scraps or bits of 

wiring have been left inside the unit being serviced.

•  After installation, explain correct operation to the customer, using the operating manual.

Installation must be performed in accordance with the requirement of NEC and CEC by 
authorized personnel only.

AIR CONDITIONER
OUTDOOR UNIT

Contents

1. SAFETY 

PRECAUTIONS 

............................................................................1

1.1. IMPORTANT! Please read before starting ............................................1
1.2. Special precautions ..............................................................................1

2. PRODUCT 

SPECIFICATION 

.......................................................................2

2.1. Installation tools ....................................................................................2
2.2. Accessories ..........................................................................................2
2.3. Pipe requirement ..................................................................................3
2.4. Power source ........................................................................................3
2.5. Electric requirement ..............................................................................3
2.6. Additional charge ..................................................................................3
2.7. Operating range ....................................................................................3

3. INSTALLATION 

WORK 

...............................................................................3

3.1. Selecting an installation location ..........................................................3
3.2. Installation dimensions .........................................................................4
3.3. Mounting the unit ..................................................................................5
3.4. Drain installation * .................................................................................5
3.5. Removing and replacing parts ..............................................................6
3.6. Pipe installation ....................................................................................6
3.7. Sealing test ...........................................................................................6
3.8. Vacuum process ...................................................................................7
3.9. Additional charging ...............................................................................7
3.10. Electrical wiring ...................................................................................7

4. TEST 

RUN 

...................................................................................................9

5. FINISHING...................................................................................................9

5.1. Installing insulation ...............................................................................9

6. PUMP 

DOWN 

..............................................................................................9

INSTALLATION MANUAL

PART No. 9319205403

 

For authorized service personnel only.

9319205403_IM_3L.indb   1

9319205403_IM_3L.indb   1

11/19/2019   9:02:47 AM

11/19/2019   9:02:47 AM

Содержание LM 12

Страница 1: ...uct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause drip ping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High W...

Страница 2: ... earth ground the unit correctly and use the power cable combined with an Earth Leakage Circuit Breaker ELCB The units are not explosion proof and therefore should not be installed in explosive atmosphere This unit contains no user serviceable parts Always consult experienced service technicians for repairing When moving or relocating the air conditioner consult experienced service technicians for...

Страница 3: ...t Location Working period Protection method Outdoor 1 month or more Pinch pipes Less than 1 month Pinch or tape pipes Indoor Pinch or tape pipes 2 3 2 Refrigerant pipe size and allowable piping length CAUTION Keep the piping length between the indoor unit and outdoor unit within the allowable tolerance The maximum lengths of this product are shown in the table If the units are further apart than t...

Страница 4: ...ignal conditions If children under 10 years old may approach the unit take preventive measures so that they cannot reach the unit Keep the length of the piping of the indoor and outdoor units within the allowable range For maintenance purposes do not bury the piping Decide the mounting position with the customer as follows 1 Install the outdoor unit in a location which can withstand the weight of ...

Страница 5: ...9 15 16 252 15 11 16 399 3 2 3 Outdoor units installation multi row Unit in mm 1 Single parallel unit arrangement 4 100 or more 8 200 or more 20 500 or more 40 1 000 or more 2 Multiple parallel unit arrangement 8 200 or more 16 400 or more 40 1 000 or more 10 250 or more 80 2 000 or more 10 250 or more 40 1 000 or more 8 200 or more 8 200 or more 10 250 or more CAUTION Do not install the outdoor u...

Страница 6: ...before connecting the connection pipe 2 Centering the pipe against port on the outdoor unit turn the flare nut with your hand To prevent gas leakage coat the flare surface with alkylbenzene oil HAB Do not use mineral oil 3 Tighten the flare nut of the connection pipe at the outdoor unit valve connector Connection pipe liquid Connection pipe gas Flare nuts 2 way valve liquid 3 way valve gas 4 When ...

Страница 7: ...Gauge manifold Flare nuts Blank caps Vacuum pump Charging port Service valve gas Use a 3 16 in 4 mm hexagon wrench Charging port cap 3 9 Additional charging WARNING When moving and installing the air conditioner do not mix gas other than the specified refrigerant R410A inside the refrigerant cycle If air or other gas enters the refrigerant cycle the pressure inside the cycle will rise to an abnorm...

Страница 8: ...eaker itself Do not use crossover power supply wiring for the outdoor unit If the temperature surrounding the breaker is too high the amperage at which the breaker cuts out may decrease When the electrical switchboard is installed outdoors place it under lock and key so that it is not easily accessible Start wiring work after closing branch switch and over current breaker Connection cable between ...

Страница 9: ... 16 20 3 4 19 05 3 8 10 1 2 13 5 8 16 13 16 21 When the ambient temperature and relative humidity exceed 89 6 F 32 C DB and 85 respectively please strengthen the heat insulation of refrigerant pipe 6 PUMP DOWN Pump down operation forced cooling operation To avoid discharging refrigerant into the atmosphere at the time of relocation or disposal recover refrigerant by doing the forced cooling operat...

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