Western Airconditioning DBIS-09 User Manual Download Page 26 | Manualshive

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Western Airconditioning DBIS-09 User Manual Download Page 26

24

Error Analysis

If your conditioning unit runs abnormally, please check the following items before contact the
maintenance serviceman.

Note:

If the air conditioner still runs abnormally after the above check and handling, please contact
the maintenance serviceman at the local appointed service center.

Table 10

Errors

Possible causes

Failed starup

1. The power 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 open.
4. There is obstacle at the air intake or outlet.
5. The set temperature is too high.
6. There is refrigerant leakage.
7. The performance of room temperature
sensor becomes worse.

Poor heating effect

1. The air filter is dirty or blocked.
2. The door or window is not firmly closed.

3. The set room temperature is too low .
4. There is refrigerant leakage.

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Summary of Contents for DBIS-09

Page 1: ...USER S MANUAL Duct Type Air Conditioner MODEL Thank you for choosing our product For proper operation please read and keep this manual carefully DBIS 09 DBIS 12 DBIS 18 DBIS 24 ...

Page 2: ...llation of the Duct 16 Filter Installation 18 Electrical Wiring 19 Installation of the Wired Controller 21 Test Running 22 Trial Operation and Testing 22 Rated Working Conditions 23 Indoor unit address inquiry 23 Error Analysis 24 Maintenance 25 This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environment ...

Page 3: ...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 4: ...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 5: ...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 6: ...nect this earth wire 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...

Page 7: ...oltage and exclusive circuit for the air conditioning can be used 3 Do not pull power cord by force 4 The electric installation should be carried out by the professional personnel as instructed by the local laws regulations and also this manual 5 The diameter of the power cord should be large enough and once it is damaged It must be replaced by dedicated one 6 The earthing should be reliable and t...

Page 8: ... otherwise it would cause the hazard of the electric shock 3 The reliable earth terminal should be provided and the earth wire cannot be connected to any of the following places 1 Running water pipe 2 Coal gas pipe 3 sewage pipe 4 other places where the professional personnel think unreliable Earthing Requirements Outline of the Unit and Main Parts Drain pipe Connect pipe Air outlet NOTE The conne...

Page 9: ...or Unit Name Appearance Q ty Usage Wired Controller 1 To control the indoor uint Screw 2 To install the wired controller Insulation 2 To insulate the drain pipe Insulation 2 To insulate the gas and liquid pipe Corrugated 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 bar code ...

Page 10: ...erwise specified Outline Dimension Drawings of the Indoor Unit C G B A D E F A B C D E F G 740 350 700 200 450 472 26 740 350 700 200 450 472 26 1040 350 1000 200 450 472 26 1340 350 1300 200 450 472 26 Item Model Table 2 Outline Dimensions Fig 2 DBIS 09 DBIS 12 DBIS 18 DBIS 24 ...

Page 11: ...n space shown in Fig 3 is left for the access to maintenance 5 It should be far away from where there is heat source leakage of inflammable explosive substances or smog 6 It is the ceiling type unit concealed in the ceiling 7 The power cords and connection lines of the indoor and outdoor units must be at least 1m away from the TV set or radio to avoid the image interference and noise even if 1m is...

Page 12: ...mpletely into the anchorbolts with a hammer Fig 6 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 7 3 Horizontal Check of the Indoor Unit After the installation of the indoor unit its horizontal must be checked to make sure the unit keep horizontal fore and aft and keep an inclination of 1 toward the dra...

Page 13: ...nstalled in the air conditioning area please use sponge around the unit to prevent condensing The thickness of the sponge depends on the actual installation environment 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 t...

Page 14: ... turn the flare nut with your hand Fig 11 Pipe Cutter Cutt line Heat insulating pipe 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...

Page 15: ...heat insulation large and small to the place where connecting pipes CAUTION d Checking the Pipe Connections for Gas Leaking e Heat Insulation on the Pipe Joints Fig 13 Fig 14 Table 3 Flare nut tightening torque Pipe Diameter Inch 1 4 3 8 1 2 5 8 3 4 7 8 Tightening Torque N m 15 30 35 40 45 50 60 65 70 75 80 85 Torque wrench Flare nut Copper piping Oil applied improves seal air tightness Oil applie...

Page 16: ...se Fig 15 2 Be sure there is no crack or leak on the drain hose to avoid the formation of air pocket Fig 15 3 When the hose is long install supporters Fig 16 4 Always use the drain hose which has been insulated properly 5 Use a suitable drain hose and see Table 3 for its size 6 There is a drain port on both the left and right sides Select the drain port to match the local conditions Fig 17 7 When ...

Page 17: ... 21 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 CAUTION Fig 18 Condensate Drain pipe Enlarged View Condensate Drain pipe A A B B 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 B P 10 20 mm P is the absolu...

Page 18: ...1 Installation of the rectangular air supply duct Fig 23 Table 5 No Name No Name 1 Hanger 5 Filter 2 Air Intake Pipe 6 Main Air Supply Pipe 3 Canvas Air Pipe 7 Air Supply Outlet 4 Air Intake 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 ...

Page 19: ...n 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 maintenance etc as shown in Fig 26 Rectangular Flange Rear Return Air Botto...

Page 20: ... unit by the screw b Install the filter Push the filter into the air inlet frames through the right or left side Or carry the filter from down to upper and then push the filter into the air inlet frames screw Air inlet frames Air inlet frames Air inlet frames filter filter Air inlet frames OR Fig 27 Fig 28 Fig 29 ...

Page 21: ...ion about 10mm 3 8 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 31 WARNING Before obtaining access to terminals all supply circuits must be disconnected The rated voltage...

Page 22: ...insulation tube fasten it with the cord clamp Fig 32 Before starting work check that power is not being supplied to the outdoor unit Match the terminal block numbers and connection cord colors with those of the indoor unit side Erroneous wiring may cause burning of the electric parts Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire Always fasten the...

Page 23: ... the rubber ring Connect the wiring communication through the piping hole of the chassis and the bottom of the appliance upward then connect the brown wire to the terminal board 3 black wire the communication wire to the terminal board 2 blue wire to the box Clamp them with the corresponding wire clamp packed in the chassis Fix the power cord tightly with the binding wire CAUTION blue yellow green...

Page 24: ...per 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 open circuit of indoor unit tube sensor U6 Liquid pipe temp sensor malfunction U7 Gas pipe temp sensor malfunction U9 Wired controller temp sensor fault PC Mode conflict Note When the unit is connected ...

Page 25: ...ntil pass the test operating 2 The method of entering testing operation refer to the manual of the wired controller 2 If match with MULTI S outdoor unit after installing the complete units must test operating when first power on and turn on units to ensure the correct installation Rated Working Conditions Indoor unit address inquiry Indoor side state Outdoor side state Dry bulb temp C Wet bulb tem...

Page 26: ...he 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 open 4 There is obstacle at the air intake or outlet 5 The set temperature is too high 6 There...

Page 27: ...eaning otherwise it may cause some error 2 When the air conditioning unit is used under the environment with heavy dust the air filter should be cleaned often generally once every two weeks 1 Check if the inlet outlet of the indoor outdoor unit is clogged 2 Check if the earthing is in good condition 3 Check if the wiring is in good condition 4 Check if the indicating lamp of the wired controller b...

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