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This marking indicates that this product should not be disposed with other 
household wastes throughout the EU. To prevent possible harm to the 
environment or human health from uncontrolled waste disposal, recycle it 
responsibly to promote the sustainable reuse of material resources. To return 
your used device, please use the return and collection systems or contact the 
retailer where the product was purchased. They can take this product for 
environmental safe recycling.

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 

 

..............................................................................12

   

Installation of the Indoor Unit...........................................................................12
Installation of the Outdoor Unit.........................................................................14
Installation of the Connection Pipe..................................................................15
Vacuum and Gas Leakage Inspection..............................................................19
Installation of the Drain Hose...........................................................................20
Installation of the Duct.....................................................................................23
Filter Installation...............................................................................................25
Electrical Wiring...............................................................................................26
Installation of the Wired Controller...................................................................28

Test Running

...................................................................................................29

Trial Operation and Testing..............................................................................29
Working Temperature Range...........................................................................30

Troubleshooting and Maintenance

...........................................................31

    Troubleshooting...............................................................................................31
    Routine Maintenance......................................................................................32

Summary of Contents for SDVH12M-A1NBI/P

Page 1: ...roper 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 MODEL SDVH12M A1NB I P SDVH12M A1NB O SDVH18M A1NB I P SDVH18M A1NB O ...

Page 2: ......

Page 3: ...o 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 12 Installation of the Indoor Unit 12 Installation of the Outdoor Unit 14 Installation of ...

Page 4: ...nowledge 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 The total capacity of the indoor units which runs at the same time can not exceed 150 of that of the outdoor units otherwise the coolin...

Page 5: ...installation the communication cable and the power cord must not be twisted together but instead separated with an interval of at least 2cm otherwise the unit is likely to run abnormally 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 ...

Page 6: ...y inflammable combustible or any noxious substance next to the unit Under the occurrence of an error like burning smell etc please cut off the main power supply of the unit Keep good ventilation in the room to avoid oxygen deficit Never insert your finger or any other object into the air outlet inlet grille Please take notice of the supporting frame of the unit to see if it is damaged over the lon...

Page 7: ...e to the gas pipe running water pipe lightening rod or phone cable s earth lead Turn off the unit after it runs at least five minutes otherwise its service life will be shortened Do not allow children operate this unit Do not operate this unit wet hands Cut off the main power supply prior to the cleaning of the unit or the replacement of the air filter When the unit is not to be used for a long ti...

Page 8: ...wer cord should be large enough and once it is damaged It must be replaced by dedicated one 6 The earthing should be reliable and the earth wire should be connected to the dedicated device of the building by the professional personnel Besides the air switch coupled with the leakage current protection switch must be equipped which is of enough capacity and of both magnetic and thermal tripping func...

Page 9: ...NOTE The connection pipe and duct for this unit should be prepared by the user The unit is standard equipped with rectangular duct Indoor Drain pipe Connect pipe Air outlet Air inlet Drain pipe Air outlet Air inlet Connect pipe Drain pipe Horizontal Placement Vertical Placement Fig 1 Fig 2 ...

Page 10: ...Wired Controller Outdoor Air inlet Air inlet Handle Air outlet NOTE The connection pipe and duct for this unit should be prepared by the user The unit is standard equipped with rectangular duct Fig 3 Fig 4 2 21 F 6 7 7 03 5 285 6 7 DRY G CONTROL FRESH AIR ...

Page 11: ... pipe 2 Only for 24 unit Nut 1 or 2 Only one for 24 unit Nut 4 To install the indoor unit Drain pipe 1 Fastener 6 To fasten the sponge Others Instructions connecting line Outdoor Unit Drainage Connecter 1 To connect with the hard PVC drain pipe Drain Plug 3 To plug the unused drain hole Standard Accessory Parts The standard accessory parts listed below are furnished and should be used as required ...

Page 12: ...installed 5 The space from the unit to the ceiling should be kept as much as possible so as for more convenient service Decide the installation location with the customer as follows Indoor Unit Horizontal Placement Indoor Unit Vertical Placement 1 Install the unit at a place where is strong enough to withstand the weight of the unit 2 The air inlet and outlet of the unit should never be clogged so...

Page 13: ...l the outdoor unit where is capable of withstanding the weight of the unit and generates as less noise and vibration as possible 7 Provide the space shown in Fig 7 so that the air flow is not blocked Also for efficient operation leave three of four directions of peripheral constructions open Outdoor Unit Fig 7 500 500 500 500 2000 2000 1000 Units mm Connection Pipe Requirement CAUTION The maximum ...

Page 14: ...e IEC 60364 5 52 If the working condition changes they should be modified according to the related national standard 5 The specifications of the breaker listed in the table above are applied to the breaker with the working temperature at 40 С If the working condition changes they should be modified according to the related national standard 6 Take 2 pieces of power cord of 0 75mm2 as the communica...

Page 15: ...e main unit and which will not amplify sound or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries If the job is done with the panel frame only there is a risk that the unit will come loose Please take care Fig 8 Units mm C G B A D F E H I A B C D E F G H I SDVH12M A1NB I P SDVH18M A1NB I P 770 500 730 200 600 620 26 182 40 Item Model Table 4 ...

Page 16: ... 2 diameter holes Fig 10 2 Insert the anchor bolts into the drilled holes and drive the pins completely into the anchorbolts with a hammer Fig 11 3 Install the hanger to the unit 4 Pass the unit hangers over the bolts installed to the ceiling and install the unit with the special nut Fig 12 2 Drilling Holes for Bolts and Installing the Bolts Using the installation template drill holes for bolts fo...

Page 17: ...ow Fig 13 Horizontal tester Installation of the 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 A F C G E D B A B C D E F G SDVH12M A1NB O 830 325 540 540 290 762 257 SDVH18M A1NB O 960 396 700 560 364 890 340 Item Model Fig 14 Table 5 Units mm ...

Page 18: ... the hole Φ25 located at the base plate of the unit and then connect the drain pipe to the pipe joint 1 Cut the connection pipe with the pipe cutter and remove the burrs 2 Hold the pipe downward to prevent cuttings from entering the pipe 3 Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory bag of the indoor unit then insert them to the connection pipe after that f...

Page 19: ...e Heat insulating pipe CAUTION CAUTION CAUTION To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 150 mm or over If the pipe is bent repeatedly at the same place it will break Be sure to apply the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn th...

Page 20: ...5 45 50 70 75 80 85 CAUTION Be sure to connect the gas pipe after connecting the liquid pipe completely Tighten the flare nut of the connection pipe at the outdoor unit valve connector The tightening method is the same as that as at the indoor side For both indoor and outdoor unit side check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are connected 4...

Page 21: ... not dip into water All pipes must be restrained to the wall by saddles 2 Taping pipes must be done from bottom to top 3 All pipes are bound together by tape and restrained to wall by saddles 1 Taping should be done from lower to the upper part 2 All pipes are bound and taped together and also should be trapped to prevent water from returning to the room 3 Restraint all pipes to the wall with sadd...

Page 22: ...nerally 20 minutes for the 18K units 30 minutes for the 24 units And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads 1 0Mp 75cmHg if not it indicates there is leak somewhere Then close the switch fully and then stop the vacuum pump 6 Wait for some time to see if the system pressure can remain unchanged 5 minutes for the 18K 24K units During this time the ...

Page 23: ... is necessary For the additional amount see Table 7 When the height difference between the indoor unit and outdoor unit is larger than 10 meters an oil bend should be employed for every 6 meters 2 Additional Charge Fig 26 Model Additional Refrigerant Amount for Extra Pipe SDVH12M A1NB O SDVH18M A1NB O 22g m Table 7 Oil bend Oil bend Indoor Outdoor 6m Installation of the Drain Hose 1 Installation o...

Page 24: ...here is a drain port on both the left and right sides Select the drain port to match the local conditions Fig 29 7 When the unit is shipped from the factory the drain port is defaulted to be the one on the left side electric box side the port on right side has been plugged As the inside of the unit is in the negative pressure status it is required to set up a backwater elbow The requirements is A ...

Page 25: ...einstall the drain cap to the left side drain port Fig 31 9 Be sure to insulate where the drain port and the drain hose is connected Fig 32 10 The unused drain port also should be insulated properly Fig 33 11 There is adhesive on one side of the insulation so that after removing the protective paper over it the insulation can be directly attached to the drain hose 2 Testing of Drain Piping After p...

Page 26: ...ke Pipe 6 Main Air Supply Pipe 3 Canvas Air Pipe 7 Air Supply Outlet 4 Air Intake CAUTION The maximum length of the duct means the maximum length of the supply air duct plus the maximum length of the return air duct The duct is rectangular and connected with the air inlet outlet of the indoor unit Among all supply air outlets at least one should be kept open Fig 35 Air Supply Outlet Return Air Inl...

Page 27: ... freely adjust the height a cutting of canvas duct will be helpful which can be reinforced and folded by 8 iron wire 5 More noise is likely to be produced in the bottom return air mode than the backward return air mode so it is suggested to install a silencer and a static pressure box to minimize the noise 6 The installation method can be chosen with considering the conditions of the building and ...

Page 28: ...1 Put the buckle into the metal sheet at the air inlet upside of the unit Note Filter is optional any demand please contact local dealer 2 Put the elastic buckle into the metal sheet at the air inlet downside of the unit Elastic buckle filter Buckle Fig 39 ...

Page 29: ...ditioner can be operated safely and positively Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric company standards CAUTION The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances When the current contracted capacity is insufficient change the contracted capacity When the ...

Page 30: ... Solderless terminal Insulation laver Fig 42 Fig 41 Fig 43 Screw with special washer Wire Wire Terminal board Round terminal Round terminal Insulation tube Insulation tube Cord clamp CAUTION Before starting work check that power is not being supplied to the indoor unit and outdoor unit Match the terminal block numbers and connection cord colors with those of the indoor unit side Erroneous wiring m...

Page 31: ... Electric wiring between the indoor and outdoor units Refer to the Installation Manual of the controller for more details 2 BU INDOOR UNIT N 1 BK PE OUTDOOR UNIT 2 N L N 1 PE L N POWER BN BU YE GN YE GN 3 3 BN Installation of Controllers ...

Page 32: ...overload protection E3 Anti frost protection E4 System high pressure protection E5 System low pressure protection E6 Lack refrigerant valve stop protection HE Auxiliary heat adhesion protection L0 Jumper malfunction L3 Communication malfunction L7 The communication between indoor unit and wired controller fault L9 Water full protection U0 Short open circuit of indoor environment sensor U1 Short op...

Page 33: ...sure The parameters are subject to change with the improvement of products in which case the values on nameplate shall prevail 4 In this table there are two outside DB values under the low temp cooling conditions and the one in the brackets is for the unit which can operate at extreme low temperature Indoor side state Outdoor side state Dry bulb temp C Wet bulb temp C Dry bulb temp C Wet bulb temp...

Page 34: ...ower supply is not connected 2 Electrical leakage of air conditioning unit causes tripping of the leakage switch 3 The operating keys are locked 4 Voltage is too low Stop after a short while of opration The air inlet outlet of the indoor outdoor unit is clogged Poor cooling effect 1 The air filter is dirty or blocked 2 There is heat source or too many people inside the room 3 The door or window is...

Page 35: ...n change the air filter Air filter for exchange is optional 1 Removing the air filter from the duct 2 Cleaning the air filter Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water Do not use detergent or hot water to avoid filter shrinking or deformation After cleaning dry them in the shade 3 Replacing the air filter Reinstall the filter as before Note 1 Do not remo...

Page 36: ... SKYWORTH AIR CONDITIONING TECHNOLOGY CO LTD NO 12 GAOKE AVENUE BAOLONG INDUSTRIAL CITY LONGGANG DISTRICT SHENZHEN GUANGDONG CHINA Tel 86 755 26743958 Web www skyworth ac com E mail swac skyworth com K45101062 ...

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