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USER'S MANUAL
Duct Type Air Conditioner
MODEL:
SDVH12M-A1NB(I)/P SDVH12M-A1NB(O)
SDVH18M-A1NB(I)/P SDVH18M-A1NB(O)
Thank you for choosing our product.
For proper operation, please read and keep this manual carefully.
If you have lost the User's Manual, please contact the local agent or visit www.skyworth-ac.com or sent
email to swac@skyworth.com for electronic version.
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Table of Contents
Related Manuals for Skyworth SDVH12M-A1NBI/P
Summary of Contents for Skyworth SDVH12M-A1NBI/P
- Page 1 SDVH18M-A1NB(I)/P SDVH18M-A1NB(O) Thank you for choosing our product. For proper operation, please read and keep this manual carefully. If you have lost the User's Manual, please contact the local agent or visit www.skyworth-ac.com or sent email to swac@skyworth.com for electronic version.
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Page 3: Table Of Contents
Content Safety Precautions ..................1 Installation Location and Matters Needing Attention ......5 How to select the installation location for the unit........5 Electric wiring....................5 Earthing Requirements..................5 Outline of the Unit and Main Parts..............6 Preparative for Installation ................8 Standard Accessory Parts................8 Selection of the Installation Locaton..............9 Connection Pipe Requirement................10 Electrical Requirement..............11 Installation Instructions... -
Page 4: Safety Precautions
Safety Precautions Please read this manual carefully before using and operating correctly as instructed in this manual . Please especially take notice of the following two symbols: WARNING! CAUTION! It indicates improper operation which will It indicates improper operation which will lead to human casualty or severe injury. - Page 5 Safety Precautions When the running modes of the indoor and outdoor units conflict, it will be indicated on the display of the wired controller in five seconds and then the indooor unit will stop. In this case, they can back to the normal condition by harmonizing their running modes: the cooling mode is compatible with the dehumidifying mode and the fan mode can go with any other mode except the heating mode.
- Page 6 Safety Precautions WARNING! The installation should be committed to the appointed service center, otherwise it will cause water leakage, electric shock or fire etc.. Please install the unit in a place where is strong enough to withstand the weight of the unit, otherwise, the unit would fall down and cause injury or death.
- Page 7 Safety Precautions CAUTION! Before installation, please check if the power supply corresponds with the requirement specified on the nameplate and also check its security. Before using the unit, please check if the piping and wiring are correct to avoid water leakage, refrigerant leakage, electric shock, or fire etc.
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Page 8: Installation Location And Matters Needing Attention
Installation Location and Matters Needing Attention The installation of the unit must comply with the national and local safety regulations. The installation quality directly affects the normal use, so the user should not carry out the installation personally, instead, the installation and debugging should be done by technician according to this manual. -
Page 9: Outline Of The Unit And Main Parts
Installation Location and Matters Needing Attention Outline of the Unit and Main Parts ● Indoor Horizontal Placement: Air outlet Drain pipe Air inlet Connect pipe Drain pipe Fig.1 Vertical Placement: Air outlet Connect pipe Drain pipe Fig.2 Air inlet NOTE: ●... - Page 10 Installation Location and Matters Needing Attention ● Wired Controller FRESH-AIR G-CONTROL Fig.3 ● Outdoor Air inlet Air inlet Handle Air outlet Fig.4 NOTE: ● The connection pipe and duct for this unit should be prepared by the user. ● The unit is standard equipped with rectangular duct.
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Page 11: Preparative For Installation
Preparative for Installation Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required. Table 1 Name Appearance Q’ty Usage Wired To control the indoor uint Controller FRESH-AIR G-CONTROL Screw To install the wired controller Insulation To insulate the drain pipe To insulate the gas and liquid... -
Page 12: Selection Of The Installation Locaton
Preparative for Installation Selection of the Installation Location WARNING! The unit must be installed where strong enough to withstand the weight of the unit and fixed securely, otherwise the unit would topple or fall off. CAUTION! ● Do not install where there is a danger of combustible gas leakage. ●... -
Page 13: Connection Pipe Requirement
Preparative for Installation Outdoor Unit WARNING! ● Install the unit where it will not be tilted by more than 5°. ● During installation, if the outdoor unit has to be exposed to strong wind, it must be fixed securely. 1. If possible, do not install the unit where it will be exposed to direct sunlight. (If necessary, install a blind that does not interfere with the air flow.) 2. -
Page 14: Electrical Requirement
Preparative for Installation Electrical Requirement Electric Wire Size and Fuse Capacity. Table 3 Minimum Sectional Minimum Sectional Capability of Model Power Supply Area of Power Cable Area of Power Air Switch (A) Connecting wire (mm SDVH12M-A1NB(I)/P 220-240V~, 50Hz 3G1.5 3G1.5 SDVH18M-A1NB(I)/P 220-240V~, 50Hz 3G2.5... -
Page 15: Installation Instructions
Installation of the Unit Installation of the Indoor Unit 1. Indoor unit dimension WARNING! ● Install the indoor unit in a location which can withstand a load of at least five times the weight of the main unit and which will not amplify sound or vibration. ●... - Page 16 Installation of the Unit 2. Drilling Holes for Bolts and Installing the Bolts Using the installation template, drill holes for bolts (four holes). (Fig.9) Drilling position for bolts Fig.9 3. Installing the Suspension Bolts (1). Install the bolts to the ceiling at a place strong enough to hang the unit. Mark the bolt positions from the installation template.
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Page 17: Installation Of The Outdoor Unit
Installation of the Unit 4. Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown below. Fig.13 Horizontal tester Installation of the Outdoor Unit WARNING! ● Install the unit where it will not be tilted by more than 5°. ●... -
Page 18: Installation Of The Connection Pipe
Installation of the Unit 2. Condensate Drainage of the Outdoor Unit(Only for the heat pump unit) (1). It is required to install a drain pipe for the outdoor unit to drain out the condensate water during heating operation. (only for the heat pump unit) (2). - Page 19 Installation of the Unit (2). Do not bend the pipes in an angle more than 90°. (3). When pipes are repeatedly bent or stretched, the material will harden, making it difficult to bend or stretch them any more. Do not bend or stretch the pipes more than three times.
- Page 20 Installation of the Unit When the flare nut is tightened properly by your hand, use a torque wrench to finally tighten it. Torque wrench Holding spanner Fig.19 Fig.20 Table 6 Flare nut tightening torque Pipe Diameter (Inch) 1/4˝ 3/8˝ 5/8˝ 1/2˝...
- Page 21 Installation of the Unit 6. Heat Insulation on the Pipe Joints (Indoor Side Only) Stick coupler heat insulation (large and small) to the place where connecting pipes. Fig.22 7. Liquid Pipe and Drain Pipe Sealed If the outdoor unit is installed lower than the indoor unit (See Fig.23) Saddle (1).
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Page 22: Vacuum And Gas Leakage Inspection
Installation of the Unit Vacuum and Gas Leakage Inspection CAUTION! Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation! There is no extra refrigerant in the outdoor unit for air purging! 1. Vacuum (1). -
Page 23: Installation Of The Drain Hose
Installation of the Unit Note: For the large-sized unit, it has the service port for both the gas valve and the liquid valve. During evacuation, it is available to connect two hoses of the manifold valve assembly to two service ports to quicken the evacuating speed. 2. - Page 24 Installation of the Unit (1). Install the drain hose with downward gradient (1/50 to 1/100) and no risers or traps are used for the hose.(Fig.27) (2). Be sure there is no crack or leak on the drain hose to avoid the formation of air pocket. (Fig.27) (3).
- Page 25 Installation of the Unit (8). When using the drain port on the right side of the unit, Drain port Drain cap reinstall the drain cap to the left side drain port.(Fig.31) CAUTION! Always check that the drain cap is installed to the unused drain port and is fastened with the nylon fastener.
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Page 26: Installation Of The Duct
Installation of the Unit Installation of the Duct 1. Dimensions of the Supply Air Outlet/Return Air Inlet Fig.35 Table 8 Units: mm Air Supply Outlet Return Air Inlet Item Model SDVH12M-A1NB(I)/P SDVH18M-A1NB(I)/P 2. Installation of the Supply Air Duct (1). Installation of the Rectangular Duct. Table 9 Name Name... - Page 27 Installation of the Unit (2). The default installation location of the rectangular flange is at the back and the return air cover plate is at the bottom, as shown in Fig.37 . Rectangular Flange Rear Return Air Bottom Return Air Fig.37 Return Air Cover Plate (3).
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Page 28: Filter Installation
Installation of the Unit Filter Installation Note: Filter is optional, any demand please contact local dealer. 1. Put the buckle into the metal sheet at the air inlet upside of the unit. Buckle filter Fig.39 2. Put the elastic buckle into the metal sheet at the air inlet downside of the unit. Elastic buckle Fig.40... -
Page 29: Electrical Wiring
Installation of the Unit Electrical Wiring 1. Wiring Precautions WARNING! ● Before obtaining access to terminals, all supply circuits must be disconnected. ● The rated voltage of the unit is as shown as table 3 ● Before turning on, verify that the voltage is within the 198~264V range (for single phrase unit) or 342~457V range (for three-phrase unit). - Page 30 Installation of the Unit 2). Using a screwdriver, remove the terminal screw(s) on the terminal board. 3). Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. 4). Position the round terminal wire, and replace and tighten the terminal screw with a screwdriver.(Fig.42) Solid wire Strand wire...
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Page 31: Installation Of The Wired Controller
Installation of the Unit (4). Electric wiring between the indoor and outdoor units POWER YE/GN INDOOR OUTDOOR UNIT UNIT N(1) N(1) YE/GN Fig.44 Installation of Controllers Refer to the Installation Manual of the controller for more details. -
Page 32: Test Running
Test Running Trial Operation and Testing The meaning of error codes as shown below: Table 11 Error Code Name Filter clean remind Defrost or heating oil return High exhaust temp. protection Overcapacity protection Compressor overload protection Anti-frost protection System high pressure protection System low pressure protection Lack refrigerant/valve stop protection Auxiliary heat adhesion protection... -
Page 33: Working Temperature Range
Test Running Working Temperature Range Table 12 Indoor side state Outdoor side state Dry bulb temp. Wet bulb temp. Dry bulb temp. Wet bulb temp. °C °C °C °C Rated Cooling Max. cooling Min. cooling Rated Heating Max. heating Min. heating Note: 1. -
Page 34: Troubleshooting And Maintenance
Troubleshooting and Maintenance Troubleshooting If your air-conditioning unit suffers from abnormal operation or failure, please first check the following points before repair: Table 13 Errors Possible causes 1. The power supply is not connected. 2. Electrical leakage of air-conditioning unit Failed starup causes tripping of the leakage switch. -
Page 35: Routine Maintenance
Troubleshooting and Maintenance Routine Maintenance Only a qualified service person is allowed to perform maintenance. Before accessing to terminal devices, all power supply circuits must be disconnected. Do not use water or air of 50°C or higher for cleaning air filters and outside panels. Note: 1. - Page 36 SHENZHEN SKYWORTH AIR CONDITIONING TECHNOLOGY CO.,LTD NO.12 GAOKE AVENUE BAOLONG INDUSTRIAL CITY LONGGANG DISTRICT SHENZHEN GUANGDONG CHINA. Web: www.skyworth-ac.com E-mail: swac@skyworth.com K45101062 Tel: (+86-755)26743958...
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