waltonbd WCN-CORDELIA-60Z Air Conditioner Instruction Manual

waltonbd WCN-CORDELIA-60Z Air Conditioner Instruction Manual

• Installation should only be carried out by qualified technicians.
• For your convenience, please read this manual carefully and carry out all instructions in full.
• Please keep this manual in good condition for your reference.

Note: All the illustrations in this manual are for explanation purpose only. Your air conditioner may be slightly different. The actual shape shall prevail. They are subject to change without notice for future improvement.

Safety precautions

In order to prevent the risk of death, serious injury or damage to property please comply with the following important safety instructions.
The extent of possible harm is described by the following symbols.

Warning Caution This symbol indicates danger of death or serious injury.

This symbol indicates danger of death or damage to property

The unit must be operated in accordance with the following symbols.

This symbol indicates something which is strictly forbidden.

This symbol indicates something which must be adhered to.

It is important that the unit is correctly commissioned after the installation is complete to ensure it is operating correctly.
After commissioning you should use this manual to explain to the user the correct method of operating the unit and its maintenance requirements.

Protective measure

Warning

• Your air conditioner is not designed to be installed by yourself and should only be installed by a qualified, competent and trained technician.
• The presence of Mains Voltage electricity and high pressure refrigerant gas make @ installing this system a specialist task which you should not attempt yourself.
• Any electrical work on the air conditioner should only be carried out by a qualified, competent and trained technician and not by yourself.
• Ensure the electrical power is disconnected during service and maintenance.

Warning

• This unit must be correctly earthed.
  Incorrect grounding will cause earth leakage and electric shock.

• Earth Leakage Protection must be installed. 0 Failure to do so carries the risk of electric shock and fire.

Caution

• Do not install either the indoor or outdoor unit in a place where flammable or @ explosive gases are present or there is a high risk of fire or explosion.
• Ensure the unit drain pipe work is properly connected and made or water leaks will occur.

Important

• This unit is not suitable for operation by minors or disabled users.
• Children should be prevented from operating the air conditioner.

Don’t use flammable sprays near the air conditioner.|
If there are some abnormalities (such as the smell of o scorching),please shut down and cut off power supply.
---|---

Don’t attempt to repair the air conditioner yourself.|
Don’t put fingers or other objects into the air conditioner. Don’t touch metal parts of the heat exchange.

Your air conditioner is designed for comfort cooling or heating. It is not designed for any other purpose and specifically should not be used for storing food, animals,plants,precision instruments,art or antiques, nor any other special item. It is not designed for specialist computer rooms.|
Do not use naked flames where the air flow from the unit can reach directly. The air from the unit will interrupt the combustion process and either extinguish the flame or misdirect it. Either is a danger of fire or explosion.

Your air conditioner contains water and may also drip if the humidity of the room is too high. Do not,therefore,place any object under the unit which could be damaged in the event of water dripping on it.|
Do not direct the air from the unit
directly onto animals or plants as this may be harmful to them.
Do not sit in in the cold air stream directly for long periods.| Ensure the room is properly ventilated.
Check the air conditioner regularly to ensure correct operation and that nothing has become loose.| Do not clean the air-conditioner with water.

Warning

• Do not attempt to install this unit yourself. Incorrect installation can cause refrigerant or water| leakage, electric shock, fire or other hazard to health and safety or property.
• Where the unit is installed must be solid enough to withstand the weight of the unit. Ifit is not, there is the danger of the structure collapsing or the unit falling creating a danger of serious injury or death.
• The installation should be mindful of potential damage by strong winds, earthquakes or other natural phenomena. These should not be able to cause the unit to fall over and cause an accident.
• The electrical installation should be in accordance with local and national specifications and only be carried out by qualified personnel in accordance with installation instructions. The air conditioner should have its own dedicated power supply.
• Ensure the power supply is of sufficient capacity for the unit, or there is a risk of fire, electric shock or other failure.
• The wiring should be made correctly using the specified cable and properly secured to avoid the risk of external forces causing the connections to come loose. Failure to do this, runs the risks of electrics shock or fire.
• Ensure the refrigerant pipe work is fully evacuated and leak tested and do not over charge with refrigerant. Over charging with refrigerant can cause a leak to occur after installation.
• Leaks can cause a high concentration of refrigerant in an area which may result in sudden death by asphyxiation.
• Do not carry out any electrical work unless the power supply has been disconnected. If the unit is installed in a small room there is danger of a leak causing the refrigerant gas concentration to exceed the maximum permissible for safe breathing and this can cause sudden death by asphyxiation. Please consult your dealer about preventive measures such as audible visual leak detectors.
• When making pipe connections be sure to use a torque wrench and tighten the flare nuts to the correct torque. Over and under tightened nuts can cause refrigerant gas to leak. Do not operate the compressor unit the pipe work has been correctly made, leak tested and evacuated.
• While performing installation or maintenance ensure that no foreign objects can enter the either the unit or pipe work.
• If the supply cord damaged , it must be replaced by the manufacturer , its service agent or similarly qualified persons in order to avoid a hazard.

Caution

• Ensure the drain pipe is installed in accordance with the installation instructions and adequately insulated to protect against condensation forming. Badly installed drain pipe work can cause expensive damage due to water leaks.
• Your air conditioner contains sophisticated electronic controls which may be subject to interference from radios, televisions, mobile telephones or other electronic goods. Do not operate these items near to the air conditioner or they may cause the unit to fail.
  We suggest maintaining a distance from these items to indoor unit at least 1 meter and to the outdoor unit of at least 2 meter.
  Depending upon the type and frequency of the electromagnetic signal you may need to leave a longer distance than this.

Forbidden

• Do not try and install, service or remove the air conditioner yourself. Contact the dealer or service center.
  Do not mount this system in a vehicle, ship, aircraft or other place which will move while the unit is in operation.

• Do not install this unit where there will flammable or explosive gases present. If these leak and accumulate near the air conditioner then a fire or explosion may result.

Warning

• Do not use any refrigerant other than the one indicated on the outdoor unit nameplate. Do not allow foreign bodies or moisture to enter the pipe work during installation and ensure the pipe work is fully leak tested and evacuated before running the unit. If the refrigerant gas becomes contaminated with moisture, air or other gases then unit will not perform correctly and there is a risk of leakage, explosion or other damage to the unit.
• Do not extend the power cable or use multiple power cables.
• Do not place the outdoor unit near balconies or anywhere children can climb onto it and potentially fall off and injure themselves.
• The indoor unit should be mounted at least 2.5 meters above the ground to prevent people from interfering with it. If there is a refrigerant leak during installation immediately ventilate the space thoroughly.
• Once the installation is complete carry out a thorough leak test of the system.
• Never allow refrigerant gas to make contact with sparks or naked flames as burning refrigerant releases poisonous gases.
• Ensure the electrical supply cable is properly protected and connections are made properly. Bad connections will cause the cable to overheat and potentially cause electric shocks or fire. An Earth leakage protector must be installed. The entire electrical installation should be checked by a qualified electrician to avoid the potential for electrical shocks or fire.
• The unit must be adequately earthed.
• Never connect the earth wire to gas or water pipes, lighting rods or telephone cables. Inadequate grounding of the earth cable may lead to the danger of serious injury or death by electric shock.
• This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. (Only for the AC with CE MARKING)
• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. (Except for the AC with CE-MARKING)

WEEE Warning

Meaning of crossed out wheeled dustbin:
Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities.
Contact you local government for information regarding the collection systems available.
If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well-being.

Component name

Indoor Unit:

Cassette Type Air Conditioner Unit

Duct Type Air Conditioner Unit

Ceiling Type Air Conditioner Unit

Outdoor Unit

Notices of installation

Correct installation

Caution:

• When unpacking, open the carton, please remove the packing foam first, then take out the air conditioner.
• Do not touch the heat exchanger at the rear of the indoor unit with your hands or any other object!
• Handling with the handle and side angle, please handle with care. Do not drop the unit or allow it to fall during transport.
• When the outdoor unit is to be lifted, please use two slings longer than 8m and insert cushioning material between the slings and outdoor unit to avoid damaging the casing.
  

Before installation the following items are not included with the unit but will be required for the installation and should be obtained locally.

1. Four M10 suspension bolts
2. PVC drain pipe
3. Connection pipe
4. Heat insulation materials(PE, thickness is over 8mm) used for connecting pipe
5. Large binding tapes and small binding tapes
6. Outdoor power cable, and indoor and outdoor power connecting cable

| Besides the common tools, during connecting the pipe the following tools are required:

1. Torque spanner(42 Nem, 65 Nem, 100 Nem)
2. Pipe cutter (cut copper pipe)
3. Refrigerant cylinder (when the pipe is lengthened, the refrigerant must be added)
4. Nitrogen cylinder ( to prevent oxidation and to clean pipe when weld pipe)
5. Pressure gauge
6. LPG
7. Pipe clamp
8. Welding torch

Installation drawing

This installation chart is for reference only. Power cable for indoor and outdoor unit must comply with national standards.

Power supply: single-phase 220-240V,50Hz/60Hz;
three-phase 380-415V,3N~,50Hz/60Hz.

Recommended Specification of Circuit breaker:

Attention to Installation site of indoor unit

For convenience of maintenance, please reserve a service port.
Ensure the following conditions are satisfied and confirm the position with the customer.

1. The position must allow the air to not be obstructed.

2. The distance away from the wall and obstacles is shown in the below drawing.

3. The installation site should be convenient for water draining (See” Installation of drainage pipe” for details).
   Warning

4. For ducted type indoor unit, the suspension site should be able to support the weight 4 times more than the indoor unit. There should be no increase in noise and vibration. If it needs to be reinforced, the installation should be carried on after reinforcement (if reinforcement is poor, the indoor unit will fall and cause damage).

5. The indoor unit must be away from sources of heat or steam and way from entrances.

6. The indoor unit position is near the power source (special line).

7. The indoor unit position must allow for easy connection to the outdoor unit.

8. The indoor unit position should keep away from direct sunlight and moisture.

9. The height inside the ceiling should reach the drainage requirements to ensure the installation of indoor unit.

10. The unit cannot be installed in the washhouse (it will cause electric shock).

11. In the inlet and outlet of indoor unit, protective barriers should be installed to prevent finger from inserting or contacting the fan with high speed and metal fin.

Matter requiring attention

Must carry out a full inspection to the following place before installation

1. In restaurants, kitchens and other eating places, dust, flour, grease steam and other cooking by products will easily attach to the indoor fan, heat exchanger and drain pump. This will cause the performance to reduce and cause the unit to spray water, leak and may lead to the drain pump or other components to fail. Please consider adopting the following improvement measures. The capacity of the kitchen extract fan and extract hood should be great enough to ensure that the oil, steam, flour and other cooking products will be exhausted through it and not attracted into the air conditioner. The indoor unit should be far enough away from the cooking and food preparation
   equipment to ensure that cooking products are not attracted into the unit.
   

2. When installing the unit in a factory, ensure it is situated in a place where it will not be contaminated by oil, powder, iron fillings or dust.

3. Do not install near potential sources of combustible gas.

4. Do not install where acidic or corrosive gases are present.

Installation of indoor unit—– Cassette Type Air Conditioner Unit

Select installation site

The dimension of indoor unit

Please choose the size according to the shape. the actual shape shall prevail.

Packing Size (cm)| E
mm| F
mm
---|---|---
91.591.532| 250| 305
91.591.536| 290| 345

Suspension foundation of the indoor unit

1. Select the suspension foundation
   The suspension foundation is a structure of either wooden frame or reinforced concrete. It must be firm and reliable to bear the weight of more than 200kg and capable of bearing vibration for long periods.

2. Fixing of suspension foundation
   Fix the suspension bolts as shown on the image either by a steer or figure by wooden bracket.
   If this unit is installed on a sloping ceiling, a cushion block should be installed between the ceiling and the air outlet panel, in order to ensure that the unit is installed on a level surface. This is as shown in the drawing as follow.

Suspension of the indoor unit

The indoor unit should be suspended as shown in the sketch:

1. Adjust the relative position of the suspension hook on the suspension bolt.
2. Tighten the bolt and ensure that four hooks are in close contact with the nuts and washers, and the unit is suspended firmly and reliably onto the hooks.
3. Ensure it is secure and does not shake or sway after the unit is installed.
4. Ensure that the center of the indoor unit is in alignment with that of the opening in the ceiling.
5. Cassette unit with external electrical control box, installation refers to figure.
   

Installation of drainage pipe

1. The drain pipe should be properly insulated to prevent the generation of condensation. It should be installed with a downward gradient.
   
   Caution
   In order to ensure the drainage water come out successfully, the unit must be horizontal or declined to drain hose when finished installation.

2. The unit has a drain pump which will lift up to 1200mm. However after the pump stops ,the water still in the pipe will drain back and may overflow the drain tray causing a protective stop. For this reason please install the drain pipe as shown below.
   

3. When draining multiple units into a common drain line, this common drain should be installed about below each unit drain outlet, as shown in the drawing on the right.
   

Front Panel Installation

Please refer to the picture below.
The front panel has four clips which attach to corresponding hangers on the unit and the front panel should be positioned using these first. The front panel is then fixed into the position by four bolts which are accessed through the four corner panels on the front panel. The four connection bolts are located inside the inlet panel of the front panel.
Note: During installation please ensure that the air vane motor in the front panel corresponds to the position of the refrigerant pipe entry into the indoor unit.

Removing the Air Filter Net

1. Ensure the unit is switched off and the power is off.
2. Each unit has two retention clips on the filter net. These must be pressed and then pushed to the open position.
3. The filter access panel may now be lowered allowing you to remove the filter from its four retaining clips.
4. Ensure the filter is fully clean and dry before replacing.
5. Ensure the retention clips on the filter net are fastened position after replacing the filter.
   

Installation of indoor unit—– Ceiling Type Air Conditioner Unit

• Items to be checked at delivery

Does the cool air discharge during the cooling operation and the warm air discharge during heating operation comes out of the unit?|
Have you explained how to operate the air conditioner showing the operation manual to the customer?|
If you set the fan speed at thermostat OFF, did you explain the set fan speed to the customer?|
ave you handed the operation manual and the installation manual to the customer?|

• Points of the operation explanation

In addition to the general usage, since the items in the operation manual with the A WARNING and /A CAUTION marks are likely to result in human bodily injuries and property damages, it is necessary not only to explain these items to the customer but also to have the customer read them. It is also necessary to explain the items of “NOT MAL FUNCTION OF THE AIR CONDITIONER to the customer and have the customer read them carefully.

Selection of installation location

When unpacking and moving the indoor unit after unpacked, do not apply force to the piping (refrigerant and drain) .

1. Select the installation location that meets the following conditions and get approval of the customer.’

• Where the cool and warm air spreads evenly in the room.
• Where there is no obstacles in the air passage.
• Where drainage can be ensured.
• Where the ceiling lower surface is not inclined.
• Where there is sufficient strength to withstand the mass of the indoor unit (if the strength is insufficient, the indoor unit may vibrate and get in contact with the ceiling and generate unpleasant chattering noise).
• Where a space sufficient for installation and service can be ensured.
• Where the piping length between the indoor and the outdoor units is ensured within the allowable length. (Refer to the installation manual attached to the outdoor unit.)
• Where there is no risk of flammable gas leak.

Required installation space (mm)

*NOTE:
If there is extra space required for part, servicing can be conducted more easily. if 200mm or more is secured. Install the indoor and outdoor units, power supply wiring, remote controller wiring and signal wiring at least 1m away from televisions or radios to prevent image interference or noise.(Depending on the radio waves, a distance of 1m may not be sufficient to eliminate the noise.) **

Use hanging bolts for installation
Investigate if the installation place can withstand the mass of the indoor unit and, if necessary, hang the indoor unit with bolts. after it is reinforced by beams etc. (Refer to the installation pattern paper for the mounting pitch).

Ceiling height
This indoor unit can be installed up to 4.3m for packing size(1675770320mm) and up to 3.5m for other.
*Please do not take out the product and discharge horizontal blade and the air outlet.

• Please do not lift the product and do not pull it with the reinforced plate (right and left). When the reinforced plate bends, it might cause noise.

Preparation before installation or the locations of indoor unit hanging bolts, piping outlet holes, drain piping outlet hole, and electric wiring inlet hole.

Remove the parts of indoor unit

Remove the parts of the indoor unit.

• Remove the suction front net.

  • Slide the front net fixing knobs toward backward direction (as shown by an arrow) to open the front net widely.
  • Keeping the front net opened, hold the knob at the back of the front net and at the same time, pull the front net forward to remove.
  • After removing the front net, screw in the lower cover screws as shown. Remove the end cover in the direction of arrow. (The left and right end covers are symmetrical.)
    

Remove the hanger

• Loosen 2 bolts for installing the hanger at both sides (M8) (4 places at left and right) within 10mm.
• Remove the fixture screw for hanger at the back side (M5), pull the hanger backward (the arrow direction) to remove.
  

Installation of the indoor unit

• Lift up the indoor unit, slide from the front and put the hanger installing bolt (M8) into the securely for temporary hanger.
• Tighten the hanger fixing screws (M5) at 2 places, which were removed, as they were before. Itis necessary to prevent misalignment of the indoor unit.
• Tighten the hanger installing bolts (M8) at 4 places properly.
  

Ceiling installation

1. Select the suspension foundation The suspension foundation is a structure of either wooden frame or reinforced concrete. It must be firm and reliable to bear the weight of more than 200kg and capable of bearing vibration for long periods.
2. Fixing of suspension foundation Fix the suspension foundation bolts either as shown on the left or right by a steel or wooden bracket.
3. The suspension of indoor unit the indoor unit should be suspended as shown below:

• Adjust the relative positions of the suspension hooks.
• Tighten the nuts and ensure that the hooks are tightly connected to the nuts and shims.
• After the unit is installed ensure it is secure and does not shake or sway
  

Caution

1. In order to ensure the drainage water come out successfully, the unit must be declined to the bottom side of unit when finished installation.
2. Please make sure the front side higher, otherwise it may cause drainage come out from the air outlet.
3. Installation of drainage pipe
4. The drain pipe should be properly insulated to prevent the generation of condensation.
5. Pipes it should be installed with a downward gradient to allow the water to drain away.
6. The pipe should not rise at any point
   

Installation of outdoor unit

Outdoor unit Dimensions

Select installation site

• Where you site the outdoor unit will have a direct affect upon its performance. In order for the outdoor unit to operate at its best you should carefully follow these instructions. In particular’short cycling”( allowing discharge air to return to the rear of the unit) should be avoided as this will significantly reduce the cooling and heating performance.
  1. The discharge air which is expelled from the front of the unit should not be allowed to short cycle and return back to the unit.
  2. Ensure there is ample space around the unit for service and maintenance.
  3. Ensure the unit is installed on the level. Do not allow a slope of more than 5°.
• The following figures show the right installation and wrong installation:

Wrong installation| | |
---|---|---|---
Right installation| | |

Caution

1. The installation place must be well-ventilated, so that the unit can move enough air to operate correctly.
2. The installation place must be firm enough to support the weight of outdoor unit and can isolate noise and vibration.
3. Avoid direct sunlight, and if necessary a sun shelter should be mounted.
4. The installation place should allow for the drainage or rainwater and water produced during defrosting.
5. The installation place should prevent the unit from getting buried in a snow drift.
6. The unit should not be installed so that the fan blows into strong winds.
7. Ensure that neither the air from the outdoor unit nor noise produced by it will affect the neighbours.
8. The unit must not be in a position where people will pile rubbish onto It or where it will be affected by exhaust gases.
9. After the unit is installed, it is necessary to use a cable tie to twine the drain pipe and the connecting pipe together to prevent damage caused by the pipeline in contact with sharp objects.

Warning

If the outdoor unit runs in a atmospheric environment where there are oil sources (including machine oil), salts (marine areas), and sulphide gas(near hot springs or oil refineries), these substances may cause unit faults.

Installation

1. Install a drainage channel to allow the condensate to flow smoothly away.
2. During installation please ensure that the foundations are secure and level to avoid vibration and noise.
3. Please bolt the outdoor unit down securely. E I 20mm
4. The bolts for connecting the outdoor unit should protrude 20mm above the surface of the base.
5. Do not just use the four corners as a foundation to support the unit.

Caution

Please install a drainage channel around the foundations to drain away condensate when the outdoor unit is installed on a roof. Please ensure that it is solid enough to bear the weight of the outdoor unit, that the installation will not affect it water tightness and condensate is able to drain away freely.

Installation of tubing

Installation instructions

1. Ensure the following when long pipe work is required and this is to be brazed.
   a) Please fully install the tubing and any brazing work before connecting the pipes to the unit.
   b) Oxygen Free Nitrogen must be used inside the pipes to prevent oxidation.

2. If there are many joints requiring brazing during the installation of long tubing, please use an in line filter. All tubes must use refrigeration quality dehydrated copper pipe and not normal plumbing copper and should be free from moisture, dust or other contaminants.

3. Please purge the pipe with nitrogen or to eliminate any dust inside before oxidation.

4. Please install the pipeline according to the pipe direction, and don’t repeatedly bend and then straighten a piece of pipe more than 3 times (this will damage the copper). Please use a pipe bender to bend the pipe. After preparing a length of pipe slide pipe insulation material over it.

5. After the connecting pipe work has been completed, connect to the indoor unit using the flare connector provided. Disconnect the flare nut from the indoor unit valve and place over the pipe facing the indoor unit. Flare the pipe as shown in this manual, and after coating both the flare nut and both inside and outside of the flare with a light coat of refrigerant oil, tighten the nut using a torque wrench to tighten the nut and a spanner to hold the valve on the unit. Always use a torque wrench set to the correct torque and always hold the indoor unit valve steady with another spanner. Do not under or over tighten. This process is carried out for both the small and large pipes.

6. Connect to the outdoor unit in a similar manner.

7. After the connection of tubing is completed, please carry out a full leak test on the pipe work and ensure the pipe work and connections do not leak and everything is fully insulated.

Heat insulation and sealing

Caution

Copper tube and drain pipe must be separately insulated to prevent condensation or water leakage.

1. 1. The copper tube should be properly insulated using materials designed for insulating air conditioner pipe and heat resistive above 120°C.

2. Matters requiring attention in areas with very high humidity level:
   The air conditioner has been fully tested in various humidity conditions. However |if it runs for long periods of time in a high humidity environment so water drops will arise .The following heat insulation material should be carried out.
   a) The indoor unit should be externally insulated using 10-20mm thickness glass fibre.
   b) The normal pipe insulation is around 8mm for tubing.

3. Sealing the wall:
   To prevent rainwater or other foreign bodies from entering the room and Tubing dlamp Earth rubber air conditioner after installing the tubing and drain pipe, the gap between

Electrical connections

Warning

• All electrical works must be carried out & checked by a qualified electrician and must adhere to the IET regulations, local and national legislation and industry best practice. The system must have its own independent power supply. An all pole isolating disconnect switch with at least 3mm contact separation must be installed. The power cord and connecting cable should be either as supplied with the unit or otherwise as specified in this manual.
• Do not attempt any electrical works yourself.
• An Earth Leakage Protector, Power Switch and Circuit Breaker or Fuse must be installed in the dedicated power supply or there is the risk of electric shock.
• The grounding must be reliable. If grounding is not correct, it may lead to electric shock. All power cables should be properly secured with cable ties so that external forces cannot disconnect the wired from the terminals. Improper connections or insecure fastening can cause electric shocks or fire.

Caution

• Do not connect the earth cable to gas or water pipes, telephone lines, lightning robs or the earth cables of other products.
• Once the indoor and outdoor unit have been switched on, do not cut off power off power supply in 1 minute, (the system automatically set) otherwise abnormal operation will be caused
• Please connect the power cord and interconnecting cable according to the wiring diagram.
• Connect the wire firmly to the terminal block using crimps and secure in order to prevent external forces pulling on the wire causing risk of fire or electric shock.
• After the electrical connection is completed, all wires should be prevented from touching other parts such as tubing, compressor etc.

Caution

1. The definition of power cord is the power supply cable from the isolating switch attached to the dedicated power supply to the indoor unit or outdoor unit. Interconnecting cable for the indoor and outdoor unit is the power cable that connects indoor unit and outdoor unit.
2. Above-mentioned definitions are the specifications of power supply, power cord and interconnecting cable of indoor unit and outdoor unit of all different types of air conditioners.
3. To avoid voltage drops, when the cross sectional area of a power cable core reaches the minimum size, and the power cord is lengthened, you should choose another bigger power cable size.
4. The communication line between indoor units and outdoor units must use 2 core shielded wiring, and shielding layer is earth according to the requirements.

Selection of electrical parts

• The Interconnection cord connect the indoor and outdoor units. You must first choose the right cable size before preparing it for connection.
• Minimum Cross-Sectional Area of Power Cable and interconnection cord.

Connection method

DE-COMMISSIONING, DISMANTLING & DISPOSAL

This product contains refrigerant under pressure, rotating parts, and electrical connections which may be a danger & cause injur Allwork must only be carried out by competent persons using suitable protective clothing and safety precautions.

1. Isolate all sources of electrical supply to the unit including any control system supplies switched by the unit. Ensure that all points of electrical and gas isolation are secured in the OFF position. The supply cables and gas pipe work may then be disconnected and removed. For points of connection refer to unit installation instructions
2. Remove all refrigerant from each system of the unit into a suitable container using a refrigerant reclaim or recovery unit. This refrigerant may then be reused, if appropriate, or returned to the manufacturer for disposal. Under NO circumstances should refrigerant be vented to atmosphereWhere appropriate, drain the refrigerant oil from each system into a suitable container and dispose of according to local laws and regulations governing disposal of oily wastes.
3. Packaged units can generally be removed in one piece after disconnection as above. Any fixing down bolts should be removed and then unit lifted from position using the points provided and equipment of adequate lifting capacity. Reference MUST be made to the unit installation instructions for unit weight and correct methods of lifting. Note that any residual or spilt refrigerant oil should be mopped up and disposed of as described above.
4. After removal from position the unit parts may be disposed of according to local laws and regulations.
5. Meaning of crossed Out wheeled dustbin: Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities. Contact your local government for information regarding the collection systems available. If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well being. When replacing old appliances with new ones, the retailer is legally obligated to take back your old appliance for disposals at least free of charge.

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