INSTALLATION MANUAL. Models: YDCL-56C(A/B)15A YDCL-71C(A/B)15A YDCL-80C(A/B)15A YDCL-90C(A/B)15A YDCL-112C(A/B)15A E N G L I S H.

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1 E N G L I S H WP-YDS03-037dW INSTALLATION MANUAL DIGITAL SCROLL SERIES AIR-CONDITIONER FOUR-WAY CASSETTE Models: YDCL-56C(A/B)5A YDCL-7C(A/B)5A YDCL-80C(A/B)5A YDCL-90C(A/B)5A YDCL-2C(A/B)5A For correct installation, read this manual before starting installation. Only trained and qualified service personnel should install, repair or service air conditioning equipment. Users should not install the air conditioner by themselves. All pictures are only sketches. If there is any difference between pictures in this manual and the actual shape of the air conditioner you purchased, the actual shape shall prevail.

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3 CONTENTS PRECAUTION... ACCESSORIES... SAFETY PRECAUTION... 5 INSTALLATION LOCATION... 6 INDOOR UNIT INSTALLATION... 7 DRAINPIPE INSTALLATION... 9 REFRIGERANT PIPE INSTALLATION... 2 INSTALLATION OF FLANGE... INSTALL ELECTRIC THROTTLE PART... 6 ELECTRIC WIRING... 7 CONTROL NETWORK ADDRESS SETTING... 2 TROUBLE SHOOTING TEST OPERATION... 23

4 PRECAUTION This manual is suitable for indoor unit. Refer to outdoor unit installation manual to install outdoor unit. The indoor unit and the outdoor unit should not share one power supply. ACCESSORIES Name Quantity Outline Function 2 part. pattern pattern M5X6 aterial part. Gasket 8..

5 SAFETY PRECAUTION Read the following "SAFETY PRECAUTION" carefully before installation. The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications. WARNING This indication shows the possibility of causing death or serious injury. CAUTION This indication shows the possibility of causing injury or damage to properties only. NOTE:. Injury means causing harmed, burned, electrical shocked, but not serious for hospitalization. 2. Damage of property means disrepair of property, material. Carry out test running to confirm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference. WARNING Engage dealer or specialist for installation. If installation done by the user is defective, it will cause water leakage, electrical shock or fire. Install according to this installation instructions strictly. If installation is defective, it willcause water leakage, electrical shock or fire. Use the attached accessories parts and specified parts for installation. Otherwise, it will cause the set to fall, water leakage, fire or electrical shock. Install at a strong and firm location which is able to withstand the set's weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury. For electrical work, follow the local national wiring standard, regulation and this installation instructions. An independent circuit and single outlet must be used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire. When carrying out piping connection, take care not to let air or other substances other than the specified refrigerant go into refrigeration cycle. Otherwise, it will cause lower capacity, abnormal high pressure in the refrigeration cycle, explosion and injury. Grounding is necessary. It may cause electrical shock if grounding is not perfect. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 5

6 INSTALLATION LOCATION CAUTIONS.Location in the following places may cause malfunction of the machine. (If unavoidable, please consult your local dealer) a. A place where there is inflammable gas leakage. b. There is salty air surrounding(near the coast). c. There is caustic gas(the sulfide, for example) existing in the air (near a hot spring). d. A place where can not bear the weight of the machine. e. In kitchen where it is full of oil gas. f. There is strong electromagnetic wave existing. g. There is acid or alkaline liquid evaporating. h. A place where air circulation is not enough. 2. Electrical Insulation must be done on the air conditioner and the building complying to National Regulations INSTALLATION SPACE A Ceiling (Electronic throttle device, for unit with R22, R07C or R0A only H Obstacle Above 00cm Above 00cm Model (W) Size 28~ ~ ~2 9000~200 C B Up(B) Wall material Flammable material metal Fire-proof structure Sides(C) HEIGHT BETWEEN CEILING AND FLOOR 2.7m<H<3m 2.7m<H<3m 3m<H<3.5m W W W 6

7 INDOOR UNIT INSTALLATION 785(Hook-location) CAUTION A Please select a place where sound enough to bear the indoor unit when installation The Indoor Unit is possible to fall if the place is not sound enough. 375 To take precautions against typhoon/earth quake. Be sure to install strictly according to related specification. Wrong installation will cause the unit to fall. 778(Hook-location) 90(Panel) (Electronic throttle device, for unit with R22, R07C or R0A only A 30 Panel Hole B C ) (Electronic throttle device, for unit with R22, R07C or R0A only 32) ( D) E) Model 28~80 (W) 2800~8000 A B C D E Hole ( 00) 90~2 9000~ R22/R07C R0A Select installation location considering piping and wiring connection after the Indoor Unit has been hanged. Then decide the piping wiring leading direction. Be sure to lead the refrigerant pipes, drain pipes and connection wires out to its connection location before hanging the unit if the opening on the ceiling has been decided. Confirm sizes of the indoor unit and ceiling opening with the attached installation paper pattern. (Please fix the paper pattern below the body with M5X6 screws ()). 7

8 CEILING HOLE AND THE HOOK INSTALLATION Preparation Work on the Ceiling Installation method should be changed under the different construction structure. Please consult the professional for the detailed information. After opening a hole, the ceiling should be horizontal and strong to prevent vibration. - Cut the beams at the hole and remove them. 2- Reinforcing the beams that have been cut and the beams fixing the ceiling. Installation of the hanging screw bolt Bolt with M0 whorl is to be used. The center distance between the bolts is decided by the size of the unit. Use the following method to install: Wooden construction Put the square timber over the roof beam, then install the hanging screw bolts. New Concrete Bricks Inlaying or embedding the screw bolts. T insertion) Ceiling Hanging Screw Bolt For finished concrete bricks Install the hanging hook with expansible bolt into the concrete deep to 5~50mm to prevent loose. Steel roof beam structure Install the supporting angl steel. Supporting angle steel Overhanging the indoor unit Adjust the gasket (down side) to 38mm over the ceiling. 38mm 8

9 Install the hanging bolt into T groove of the hanging tool. Overhang the indoor unit and ensure it is level using a level indicator. 0 Gasket installing-ear Ceiling 2 30mm 3m m T PANEL INSTALLATION (SOLD SEPARATELY) Panel installation should be done after piping and wiring. Refer to panel installation manual for detailed information about installing the panel. Be sure that the indoor unit and ceiling hole installation size is right before installation. CAUTION Be sure to seal the connection parts between the panel - the ceiling and the panel - the indoor unit,or even small gaps may cause wind/water leakage or condensing water. DRAINPIPE INSTALLATION CAUTION Be sure to follow this Installation Manual during drainage installation, the drainpipe must have the heat insulation to prevent condensing. The drain pipe of indoor unit must have the heat insulation, or it will condense dew, as well as the connections of the indoor unit. The declivity of the drain pipe downwards should not be over /00, and no winding and bending. The total length of the drain pipe when pulled out traversely shall not exceed 20m, when the pipe is over long, a prop stand must be installed every.5 to 2m to prevent winding. Refer to the following figures about the installation of the pipes. Do not impose any pressure on the connection part of the drainage pipe. 9

10 .5m~2m Support Bend Fold VP30 DRAINAGE PIPE MATERIAL, HEAT-INSULATING MATERIAL The listed material should be used: Drainage Pipe Material Heat Insulation Material Polyvinyl chloride pipe ( 32mm outer diameter) Foamed polyethylene insulation plate (0mm thickness) FLEXIBLE HOSE Measure diameter of the hard pipe using cutting method, and adjust the joining angle. Pull out the flexible hose, do not over deform than illustrated below. Be sure to bind it with the attached band. Please place the flexible hose horizontally. 20 Core shift adjustment Hose band Bend 5ºC(Maximum) Flexible Hose Indoor Unit 5 o CONNECTION PROCEDURE Connect the transparent pipe with the polyvinyl chloride pipe. Use polyvinyl chloride glue at the connection part of the drainage pipe, be sure no water leakage. Paste glue at the front 0mm of the polyvinyl chloride pipe, insert it into the transparent pipe. It needs 0 minutes for the glue to dry. Do not impose pressure on the connection during the drying period. 0

11 HEAT INSULATION Wrap the flexible hose carefully with the attached heat insulation material from the start to the end (to indoor part) Flexible Hose Hose band Attached Heat-insulation Material Field-arranged Heatinsulation Material Polyvinyl Chloride Pipe DRAINAGE UPWARD To make sure that the drainage pipe would not slant downward, lead it upward to a height 360mm maximum, then downward lead it. Below 00mm Belo 60mm Belo 00mm Indoo nit Ceiling DRAINAGE TEST Check whether the drain pipe is unhindered before testing. ) Stow water from sprue to check. 2) Stow 600cc water with pot or hose from sprue slowly, preventing touching the drain pump motor. 3) After the preparation work, disconnect the water level switch,power VAC to L - N of terminal board, and the drain pump start up immediately. ) After drain pump run 2 min.,reset the water level pin, and the drain pump motor will stop after running min.. Sprue MOTOR SOUND TEST The drainage test is doing during checking the drain pump motor running sound. Reset the water level switch connection to the original position after the drainage test.

12 REFRIGERANT PIPE INSTALLATION CAUTION Ventilate the air if there was any refrigerant leakage during the installation. Leaked refrigerant will generate poisonous gas if meeting fire. Make sure there is no refrigerant leakage after the installation. Leaked refrigerant will generate poisonous gas if meeting fire. ALLOWED LENGTH AND DROP OF PIPES Requirements are different when installing the outdoor unit, please refer to outdoor unit installation manual for detailed information. MATERIAL AND SIZE OF THE PIPES Three length (3m,5m,0m) of pipes are available to purchase. Size(mm) Refrigerant R22/R07C R0A REFRIGERANT VOLUME TO BE ADDED Refrigerant volume to be added is calculated according to outdoor unit installation manual (R07C). Be sure to add refrigerant measuring by a scale. CAUTION If the added refrigerant volume is inadequate (too much or insufficient), the compressor malfunction will be caused. Be sure to calculate the refrigerant volume carefully. The service man should write down the piping length and the added refrigerant volume in the nameplate, which is on the electric control box cover of outdoor unit, for diagnosing the compressor and refrigeration circulation malfunction. CONNECTION OF THE REFRIGERANT PIPE Two wrenches should be used when connecting the pipes. The tightening torque is shown below: T (2.5kgf.m) 98.8(0.0kgf.m) 29.(3.0kgf.m) 7.7(2.0kgf.m) 2

13 AIR PURGING Use a vacuum pump, to vacuum from the gas side refrigerant adding mouth of the outdoor unit. Don't use the refrigerant of the outdoor unit to do the vacuum. (A certain volume of refrigerant had been added into the outdoor unit in factory.) OPEN/CLOSE THE VALVES Open/Close the spools or the valves of outdoor unit with a Ø 5mm hexagon spanner. LEAKAGE TEST Test if there is any leakage on the connections of the piping with soap water. HEAT INSULATION Heat insulation for the gas and liquid pipe separately. Heat insulation should be fully and carefully done, because the liquid side pipe and gas side pipe are easy to condense water due to low temperature when cooling. Heat proof above 20 C material should be used at the gas side pipe. The indoor unit connection parts should be no-gap heat-insulated with the attached heat insulation materials. Wrap to the foot of the piping Unit Body Attached Heat Insulation Material Field Piping side 3

14 INSTALLATION OF FLANGE Fresh air is intaken by indoor fan motors or ducted fan motor devices on field. The positions of fresh air intakecan be changed according to the installation of ductable fan motor Ø 6 Hole Ø Note:. The device can be installed in ceiling cassette type indoor units (several-direction flow). 2. When installing the device, duct is needed on field and the rated diameter is 75mm. When metal duct pass through wooden wall, electric insulation must be add between duct and wall. The duct must be pulled out downside to prevent rain and water entering. Net cover must be set at places where duct explodes to outdoor air to prevent birds and animals entering.. Removal the hole on the board. Figure The hole is oppose to drainage pipe Drainage pipe Refrigerant Pipe Hole Insulation Material(Inside) Board Removal with Pincher or Incisel with knife Insulation Material(Inside) Removal with Pincher Commissure Board No insulation material inside, only removal board Removal with Pincher Commissure Board

15 Stick insulation material at indoor hole Installation Type Put the insulation material on the interface of the hole as shown in Figure, then stick on the inside and surface of the board. The interface of the hole can not have gap. Installation Type 2 Stick insulation material at the opening part of the board Figure 2 Insulation Material (Inside) Edge Board Board Insulation Material About 0 mm Insulation Material Ensure the interface of insulation material closely contacts with the inside insulation material and the board. Use screw 2 (MX2, Pieces) to install flange at the hole, and then stick insulation material 3. Flange Flange Screw 2 Insulation Material 3 (M x 2, pieces) Insulation Material 3 Screw 2 (M x 2, pieces) Figure 3 Install duct (the rated diameter: Ø 75). Connect the duct to the flange. (The flange is assembled with the interface of duct). 2. After connection, use the ethylene tape (provided on field) to wrap the joint to prevent air-leakage. Flange Wrap the joint to prevent air-leakage Airproof adhesive tape Ø 75 Duct (on field) NOTE:. All ducts must be completely heat-insulated. 2. The following phenomenon are not allowed when installing duct: A) Bend too much B) Too many bender C) Diameter reduce Wrong Wrong Wrong 5

16 ELECTRIC WIRING! WARNING Specified power cables should be used. Do not apply any pressure on the terminals used to connect. Improper connection may cause fire. Grounding must be properly done. The grounding wire should be away from gas pipes, water pipes, telephone, lightening rods or other grounding wires. Improper grounding may cause electric shock. Electric Wiring must be done by professionals. Use a separate circuit according to national regulations. If the wiring capacity is not enough, electric shock or fire may occur. CAUTION Be sure to Install Current Leakage Protection Switch, Or electric shock may occur. CAUTION Power cord is to be selected according to national regulations. Outdoor unit power cord should be selected and connected according to the outdoor unit installation manual. Wiring should be away from high temperature components, or the insulation layer of the wires may melt down. Use wire clamp to fix the wires and terminal block after connection. Control wire should be wrapped together with heat insulated refrigerant pipes. Connect the indoor unit to power only after the refrigerant has been vacuumed. Don't connect the power wire to the signal wire connection end. The Specification of Power POWER CIRCUIT BREAKER/FUSE INDOOR/OUTDOOR CONNECTING WIRING ( mm 2 ) TYPE 28~2 ACITY(W) 2800~200 PHASE -PHASE FREQUENCY SIGNAL T T ( A) ( mm 2 ) ( mm 2 ) 5/

17 Indoor unit power supply and the signal wire wiring The indoor unit power source should not be shared with outdoor unit. The indoor units that connect to the same outdoor unit should use the same power source, creepage protector and main switch. The indoor power wire should be connected to the L, N terminal, and the indoor/outdoor signal wire should adopt the 2-core screened wire. The indoor /outdoor signal wire should be connected to A, B terminal and should be corresponding with the A, B of the outdoor terminal. Connect the screened layer to (E). Outdoo nit Outdoor Power Supply Creepag Switch rotection Groun ire Wir istributio ox Groun ire Indoor/Outdoor Signa ire (2-cor creene ire) Indoo ower Supply Creepage Protection Switch Indoo nit Indoo nit Connec los nd o h creene ire Caution: A disconnection device having an air gap contact separation in all active conductors should be incorporated in the fixed wiring according to the National Wiring Regulation. Wiring Chart Power V 50Hz INDOOR UNIT CENTRAL CONTROL MONITOR(CCM) COMPUTER INDOOR UNIT OUTDOOR UNIT INDOOR UNIT the shielded twisted-pair wire Caution: The reserved function is indicated in broken line table,users can select it when necessary. 8

18 Indoor/Outdoor Unit Signal Wire Connect the wire according to their numbers. Wrong connection may cause malfunction. Wiring Connection Seal the wiring connection with the insulation material, or the condensing dew will be caused. Panel Wiring Connect the Swing Motor terminal block according to the Panel Installation Manual. Terminal Board Diagram Please refer to the indoor unit wiring diagram for the wiring. Note: The air-conditioners can connect with Central Control Monitor (CCM). Before operation, please wiring correctly and set system address and network address of indoor units. Single phase indoor unit P Q (E) X Y (E) TO INDOOR POWER V 50/60Hz TO OUTDOOR COMM. BUS Please adopt the shielded twisted-pair wire, and connect the shielded layer to (E) To Central Control Monitor (CCM)COMM. BUS To wire controller The reserved wire control function is indicated in broken line table,users can purchase the wire controller when necessary 9

19 CONTROL Please number the indoor units during the installation. For example, for the first outdoor unit,the number of the first indoor unit is -, the second indoor unit is -2, and the set address is and 2 respectively, the others is analogical. POWER_S A B C D E F 6-3 NUM_S A B C D E F ENC 0-5 ENC2 6-3 NUM_S 6-3 NUM_S A B C D E F A B C D E F 0-5 ENC2 0-5 ENC2 Model show the address '0-F' respectively, that is, '0-5' indoor unit Model 2 show the address '0-F' respectively, that is, '6-3' indoor unit CAUTION.The system together have 32units(0-3),everyone has only system addresscode, If two addresses are the same in one system, the abnormal operation will occur. 2.Please switch off the power before setting,otherwise the unexpected error will occur. ENC2 TOGGLE SWITCH FOR SETTING ADDRESS '0-F' show the address '0-F' respectively, that is, '0-5' indoor unit (together 6 units), and the others follow the analogy. If two addresses are the same in one system, the abnormal operation will occur. Note: The horsepower has been set before leaving the factory, anyone can't modify it except the maintenance person. TOGGLE SWITCH Code For set horsepower Capacity (Horsepower) 2200W (0.8HP) 2800W (.0HP) 3600W (.2HP) 500W (.5HP) 5600W (2.0HP) 700W (2.5HP) 8000W (3.0HP) 9000W (3.2HP) 200W (.0HP) 20

20 F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A F 3 E D 5 6 C 7 B 8 A 9 S S2 ~ ~ ~ ~ Toggle switch set Network address code 00~5 6~3 32~ NETWORK ADDRESS SETTING Every air-conditioner in network has only one network address to distinguish each other. Address code of air-conditioner in LAN is set by code switch on Network Interface Module (NIM), and the set range is 0-63.

21 TROUBLE SHOOTING Nº Type Contents LED Lamp flash Remarks Malfunction The evaporator sensor check point is abnomal, or room temp.sensor is abnormal. Run lamp flashes at 2.5Hz. After the malfunctions disappear, it restores automatically. 2 Malfunction Indoor/outdoor unit communication is abnormal. The timer lamp flashes at 2.5Hz. After the malfunctions disappear, it restores automatically. T 3 Malfunction Condenser sensor check point is abnormal or outdoor temp. sensor is abnormal. All the indoor alarm lamps flash at 0.5Hz. After the malfunctions disappear, it restores automatically. Malfunction Water level switch is abnormal. Alarm lamp flashes at 2.5Hz. If the malfunctions can t be solved in three min. all the indoor alarm lamps flash at 0.5Hz. Turn off the power to restore. 5 Alarm Mode conflict. Defrost lamp flashes at 2.5Hz. When the indoor unit turns to heating mode or is turned off, the alarm will disappear. 22

22 TEST OPERATION. The test operation must be carried out after the entire installation has been completed. 2. Please confirm the following points before the test operation: The indoor unit and outdoor unit are installed properly. Tubing and wiring are correctly completed. The refrigerant pipe system is leakage-checked. The drainage is unimpeded. The heating insulation works well. The ground wiring is connected correctly. The length of the tubing and the added stow capacity of the refrigerant have been recorded. The power voltage fits the rated voltage of the air conditioner. There is no obstacle at the outlet and inlet of the outdoor and indoor and indoor units. The gas-side and liquid-side stop valves are opened. The air conditioner is pre-heated by turning on the power. 3. According to the user s requirement, install the remote controller frame where the remote controller s signal can reach the indoor unit smoothly.. Test operation Set the air conditioner under the mode of "COOLING" with the remote controller, and check the following points per the "Owner's Manual" If there is any malfunction, please resolve it through chapter "Trouble shooting". ) The indoor unit a. Whether the switch on the remote controller works well. b. Whether the buttons on the remote controller works well. c. Whether the air flow louver moves normally. d. Whether the room temperature is adjusted well. e. Whether the indicator lights normally. f. Whether the temporary buttons works well. g. Whether the drainage is normal. h. Whether there is vibration or abnormal noise during operation. I. Whether the air conditioner heats well in the case of the HEATING/COOLING type. 2) The outdoor unit a. Whether there is vibration or abnormal noise during operation. b. Whether the generated wind, noise, or condensed water by the air conditioner have influenced your neighborhood. c. Whether any of the refrigerant is leaked. CAUTION Protection function will delay the startup of compressor for 3 minutes in case the unit is turned on immediately after power on or restarted after shutdown. 23

23 DE - COMMISSIONING DISMANTLING & DISPOSAL This product contains refrigerant under pressure, rotating parts, and electrical connections which may be a danger and cause injury! All work must only be carried out by competent persons using suitable protective clothing and safety precautions. Read the Manual Risk of electric shock Unit is remotely controlled and may start without warning. 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 pipework 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 re-used, if appropriate, or returned to the manufacturer for disposal.under No circumstances should refrigerant be vented to atmosphere. Where 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 unit 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.. After removal from position the unit parts may be disposed of according to local laws and regulations. WP-YDS dW ENGLISH