King Tec D30A Manuel utilisateur
D 30A
RV Air Conditioning Installation Manual
1
Preface
In order to ensure the best use effect of the products of the company, improve
the reliability, economy and reduce the fault frequency, a scientific and reasonable
installation process is particularly important. This manual provides technical
guidance for the pre-sale and after-sales service personnel of the company, Please
all service personnel implement it carefully.At the same time, this manual can also
provide reference for the installation of relevant supporting manufacturers.
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Ⅰ. Safety precautions
⒈Special work clothes and anti-skid shoes must be worn, and slippers, shorts and vests are
strictly prohibited for installation operation;
⒉Be sure to wear eyeglasses or safety glasses to prevent dust, iron chips and impurities from
falling into the eyes when working with the head up;
⒊Do not damage the appearance of the body and air conditioning during installation, and clean
the compartment after installation;
⒋When welding the car body, pay attention to the position of the fuel tank. It is strictly prohibited to
operate with an open fire near the fuel tank of the gasoline car;
⒌. When using AC power supply, pay attention to the electrical safety and ensure reliable line
insulation;
⒍Refrigerant can produce toxic gas in open fire, which can cause suffocation and death in severe
cases; refrigerant injection into the air may freeze the human body, so the protection work must
be done.If the refrigerant liquid enters the eye or touches the skin, the following measures
should be taken immediately:
1rinse the touched parts with plenty of cold water (do not rub the eyes or skin);
2applies the skin with Vaseline (Harry oil);
3Go to the hospital immediately for special treatment;
4⒎When the air conditioning is running, if an abnormal noise, vibration or smell is found, stop
immediately for inspection, not forced operation;
⒏When repairing the circuit, disconnect the main power supply to prevent short circuit from
causing fire.
⒐Great care should be taken when drilling into the equipment.Because these holes are very likely
to reduce the structural strength of the equipment, if these holes are drilled into the electric
wires, they may also cause electric shock and fire.
⒑Keep your hands away from rotating parts such as fans when the device is running,.
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Ⅱ. Preparations before the installation
1. Determine the installation position of the air conditioning
The air conditioning unit shall be installed on the top of the car, the return air of the unit
is inhaled from bottom to up, and the outlet air is discharged into the vehicle from top-down.
2. Heat insulation treatment of the car body
The top of the body, skirt, air pipe, air scoop etc. should be heat insulation .The technical
requirements shall meet the relevant requirements of the JT / T216-95 thermal insulation
performance test of the Ministry of Communications.
Inspection item:
①.The thickness of insulation layer around of the body ,roof and engine is more than
30mm;
②.The connection of body, roof and air duct frame shall be insulated to avoid the loss
of cold due to cold bridge;
③.The doors and windows are sealed well;
④.All components should be installed as far away from the heat source as possible,
and take into the account the convenience of maintenance.
Ⅲ. Product features
The air conditioning is mainly suitable for RV, lifting equipment, small ships, mobile
communication vehicles, medical service vehicles, mobile police cars, special purpose van and
so on.
1. Streamlined appearance design, effectively reduce the wind resistance, compact structure,
beautiful, small volume.
2. Large cold volume and air supply volume, to meet the greater space requirements.
3. Air conditioning operation is simple, with an advanced computer board and remote control
design, can facilitate the precise control of air conditioning.
4. Low noise, lower than similar products, and long service life.
5. Using the new environmentally friendly refrigerant R 134a, no pollution and no damage to
the environment.
6. Use AC220V or AC110V AC or DC12V DC,good economy.
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7. The inner air duct is beautiful and generous, the air supply can be adjusted the direction at
will to ensure the air supply uniformity.
8. High shock resistance,normal operation in vibration and bumpy sections.
9. Light weight, simple and easy to install.
Ⅳ. Unit model selection
1. Select:
Suitable in most cabins or RV. In order to determine suitability and to ensure the warranty is
always valid, the installation in commercial and industrial vehicles must be approved by our
technical department .
2. Heat (cold) capacity:
The ability of air conditioning to cool and heat the the entire vehicle is limited by:
The size of the car
Thickness and heat insulation capacity of the car
Size and type of car windows
The recommended maximum length is 7 meters, which is that the wall thickness is enough and
the top has not less than 25mm insulation (foam or wool) .The Windows should have
blast-proof film or at least curtains.
If the car often works in a high temperature environment (104℉), in order to ensure the
refrigeration effect, that is, to ensure the installation of the best insulation materials, with double
glazing Windows, and is a car not longer than 6 meters.
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Ⅴ. Outline of installation dimension drawing
1. Outline dimension drawing
2. Installation of hole opening dimension drawing
3. Outline dimension drawing of the inner air duct
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Ⅵ. Unit installation instructions
1. Car roof strength
The weight of air conditioner is bout 45KG.Before installation, confirm whether the
strength of the installation position can carry the unit, so as not to cause personnel injury and
equipment damage.
2. Open the hole
As much as possible to Install the unit in the middle and front of the roof to ensure that the
outdoor exhaust of the unit is not affected.Open a vent with the size of 355x355mm (please
strictly follow this size) and avoid wires, lines and other components before cutting.If
necessary, it should be reinforced and sealed around the opening to prevent water leakage
and hot air from entering the carriage.
3. Installation Angle requirements
Standard installation is required to be mounted on the same level.If some roof is tilted,
the tilt of the installation of air conditioning can not be greater than 2 degrees, otherwise it will
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affect the normal discharge of air conditioning condensate, seriously, will lead to air
conditioning leakage into the car.So before installation, try to use rubber and plastic sponge
board to stick it flat, and then measure the height between the front and rear position of the air
conditioning bottom plate and the car roof, to maintain the same size.
4. Install the outdoor unit
Install the outdoor unit directly on the opening of 355x355 , as shown.The black EVR
sealing frame at the bottom of the air conditioner is placed on the opening hole. Inside the
compartment, the four M8 mounting holes at the bottom of the air conditioner are evenly
symmetrical in front and rear.Seal with sealant for waterproof treatment, especially at the
connection , to ensure that the roof does not leak down.
Sealing frame
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5. Fixed to the mounting plate of air guide duct
Align the four installation holes on the ③air guide duct mounting plate with the
installation holes of the air conditioning outdoor unit, fix it with the outdoor unit of air
conditioning using the ④four M5 installation bolts
①. Air-conditioning outdoor unit ②.EVR sealing frame
③.Air guide duct ④.Air guide duct mounting bolt
⑤.Internal air duct mounting screw ⑥.Fixed profile,
⑦.Hexagon thread mounting column ⑧.Internal wind duct
③
④
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⑨.M6 Gasket ⑩.M6 gasket
⑪.M6 bolt
6. Fix the inside air duct mounting plate
Fix the four M8-holes on the air conditioning outdoor under plate with the ⑤internal air
duct mounting screw first.The ⑥fixed profile is fixed with the ⑦hexagon thread mounting
column, and the tightness can be adjusted according to the usage situation.
7. Fixed the air duct
Connect the extended harness of the air duct to the outdoor unit harness.Then fix the ⑧
internal air duct and the mounted air guide duct on the bottom plate of the ③outdoor unit .
fix the four holes in the inner duct with the ⑨⑩⑪mounting bolts.
Ⅶ. operation instruction
The air conditioner is equipped with the following panel for operation.
1. Touch panel
Panel appearance
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