INSTALLATION MANUAL
Contents
1. COX INSTALLATION MANUAL Creating pleasurable environments rte Before using your air conditioner please read this manual carefully and keep it for future reference COX SPLIT TYPE ROOM AIR CONDITIONER EDCM Register your product at my www ecoxline com ecoxline lt ecoxline alk BFEERERREEEEEEE CONTENT SAFETY PRECAUTIONS WARNING INSTALLATION INSTRUCTIONS Selecting installation place Accessories Indoor unit installation Outdoor unit installation REFRIGERANT PIPE CONNECTION ELECTRICAL WORK AIR PURGING Safety and leakage check TEST RUNNING A READ THIS MANUAL Inside you will find many helpful hints on how to install and test the air conditJoner property Please read this Installation manual completely before installing the product Ifthe power cord is damaged replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring Standards by authorized personnel only Contact an authorized service technician for repair maintenance or installation of this unit BY caution Contactan authorized service technician for repair or maintenance of this unit Contact an authorized installer for installation of this unit This appliance is not Intended for use by persons including children with reduced physical sensory or mental capabilities or tack of experience and knowledge unless they have been given2. NOTE To prevent wires loosening or leaving the cord clamp please select proper cord diameter to fill the holes on the cord clamp Terminal block of outdoor unit To power supply Cai To indoor unit To power supply To power supply FIG 23B TY cation 8 8G SM After the confirmation or the above conditions prepare the wiring as folows Never fail to have an individual power circuit specifically for the air conditioner As for the method of wiring be guided by the circuit diagram posted on the inside of control cover The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires Specification of power source Confirm that electrical capacity is sufficient See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate Confirm that the cable thickness is as specified in the power source specification Always install an earth leakage circuit breaker in a wet or moist area The following would be caused by voltage drop Vibration of a magnetic switch which will damage the contact point fuse breaking disturbance of the normal function of the overload The means for disconnection fro
3. See the following table for suggested wire sizes and fuse specifications Minimum nominal cross sectional area of conductors Rated current of appliance Nominal cross sectional area A mm gt 3and lt 6 0 75 gt 6and lt 10 1 gt 10and lt 16 T5 gt 16and lt 25 2 5 NOTE The cable size and the current or the ruse or switch are determined by the maximum current indicated on the nameplate which located on the side panel or the unit Please refer to the nameplate before selecting the cable ruse and switch CONNECT THE CABLE TO THE INDOOR UNIT NOTE Before performing any elecitrlcal work turn off the main power to the system The inside and outside connecting cable can be connected without removing the front grille The indoor power cord type is HOS5VV F or HO5V2V2 F the outdoor power cord and interconnected cord type is HO7RN F SPLIT TYPE ROOM AIR CONDITIONER cox O O Lift the indoor unit panel up remove the electrical box cover by loosening the screw as shown in Flg 22 Ensure the color of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Wrap those cables not connected with terminals with insulation tapas so that they will not touch any electrical components Secure the cable into the control board with the cord clamp y Front panel Electrical box cover To outdoor unit To outdoor unit FIG 22 Outdoor unit a Terminal bloc
4. and then tighten it with a spanner and torque wrench as shown in Fig 20 amp 21 Out Diameter mm Tightenning AditionalTightenning Torque N cm Torque N cm ROG 1570 1960 i 160kgf cm 200kgf cm 32 2940 3430 gia 300kgf cm 350kgf cm 4900 5390 127 500kgf cm 550kgf cm FIG 18 Flare nut Copper tube FIG 19 Asa Yugo Cono Flecha roja marcada FIG 20 Flare nut a e amp Indoor unit tubing Piping p 24 O 8 8 X X X PY cuon Oblique Roughness Burr Excessive torque can break nut depending on installations conditions ELECTRICAL WORK Electric safety regulations for the initial installation If there is serious safety problem about the power supply the technicians should refuse to install the air conditioner and explain to the client until the problem is solved Power voltage should be in the range of 90 110 of rated voltage The creepage protector and main power switch with a 1 5 times capacity of Max Current of the unit should be installed in power circuit Ensure the air conditioner is grounded well According to the attached Electrical Connection Diagram located on the panel of the outdoor unit to connect the wire All wiring must comply with local and national electrical codes and be installed by qualified and skilled electricians An individual branch circuit and single receptacle used only for this air conditioner must be available
5. indoor unit Be careful not to let the drain hose slack Heat insulated both of the auxiliary piping Be sure that the drain hose is located at the lowest side of the Left hand piping Rear left piping bundle Locating at the upper side can cause drain pan to overflow FIG 8 FIG 9 inside the unit f Never intercross nor intertwist the power wire with any other O Indoor unit Installation e wiring 1 Pass the piping through the hole in the wall Run the drain hose sloped downward to drain out the condensed water smoothly 2 Put the upper claw at the back of the indoor unit on the upper hook of the installation plate move the indoor unit from side to side to see that it is securely hooked see Fig 10 amp Fig 11 3 Piping can easily be made by lifting the indoor unit with a cushioning material between the Indoor unit and the wall Get it out after finish piping 4 Push the lower part of the Indoor unit up on the wall then move the Indoor unit from side to side up and down to check if it is hooked securely FIG 13 6 gt EDCM SPLIT TYPE ROOM AIR CONDITIONER COX OUTDOOR UNIT INSTALLATION Outdoor installations precaution Install the outdoor unit on a rigid base to prevent increasing noise level and vibration Determine the air outlet direction where the discharged air is not blocked In the case that the installation place is exposed to strong wind such as a seaside make sure the fan o
6. parts of the wall with spaces around the installation plate 2 If the wall is made of brick concrete or the like drill eight 8 5mm diameter holes in the wall insert Clip anchor for appropriate mounting screws G Fit the installation plate on the wall with eight 8 type A screws NOTE Fit the Installation Plate and drill holes in the wall according to the wall structure and corresponding mounting points on the installation plate The Installation plate provided with the machine is different according to the models Dimensions are in mm unless otherwise stated FIG 4 it 150mm or more to ceiling Indoor unit outline C Installation plate 120mm or more to wall 120mm or more to wall Left rear side refrigerant pipe hole 65 Right rear side refrigerant pipe hole 65 Model A A 710 B 250 C 100 D 110 Model B A 790 B265 C 100 D 150 150mm or more to ceiling 150 Installation plate 185 Indoor unit outline 120mm or more to wall S 120mm or more to wall o gt Model C Left rear side refrigerant Right rear side refrigerant pipe hole 65 pipe hole 65 it 150mm or more to ceiling 100 Hooked plate 120 120mm or 120mm or more to wall more to wall i i i dscrenitoine FIG 5 Drilla hole in the wall Wall ae Outd 1 Determine hole positions T according to the diagram detailed om y in Fig 5 Drill one 1 hole 65mm ee slanti
7. refrigerant added into the air conditioner is liquid form in any case Not applicable to the units adopt freon R22 CAUTION in handling the packed valve Open the valve stem until it hits against the stopper Do not try to open it further Securely tighten the valve stem cap with a spanner or the like Valve stem cap tightening torque See tightening torque table in previous page FIG 24 Refrigerant Outdoor Unit Indoor unit Packed valve B Half union FIG 25 Valve boby Valve stem SPLIT TYPE ROOM AIR CONDITIONER cox Manifold valve Compund meter 76 cmHg ae Pressure gauge A Handle Hi Charge hose we Vacuum pump When using the Vacuum Pump For method of using a manifold valve refer to its operation manual Low pressure valve FIG 26 Completely tighten the flare nuts A B C 0 connect the manifold valve charge hose to a charge port of the low pressure valve on the gas pipe side Connect the charge hose connection to the vacuum pump Fully open the handle Lo of the manifold valve OOO Operate the vacuum pump to evacuate After starting evacuation slightly loose the flare nut of the Lo valve on the gas pipe side and check that the air is entering Operation noise of the vacuum pump changes and a compound meter indicates 0 instead of minus 5 After the evacuation is complete fully close the handle Lo of the manifold valve and stop the operation of the v
8. A place 1m or more to TV or radio instrument ROOFTOP INSTALLATION A place where air circulation in the room is good If the outdoor unit is installed on a roof structure be sure to There should not be any direct sunlight Otherwise the level the unit sun will fade the plastic cabinet and affect its appearance If unavoidable sunlight prevention should be taken Into consideration OUTDOOR UNIT Ensure the roof structure and anchoring method are adequate for the unit location Consult local codes regarding rooftop mounting e If an awning is built over the outdoor unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted ROOFTOP INSTALLATION Level gauge gt Gas leak detector Keep the spaces indicated by arrows from wall or other bstacles gt Screwdriver gt Vacuum pump Electric drill Hole core drill Gauge manifold Do not place animals and plants in the path of the air inlet r outlet p 65mm gt Users manual Flaring tool set gt Thermometer Take the air conditioner weight into account and select a place where noise vibration and hot air discharged will not gt Specified torque wrenches Multimeter be an issue 1 8 kgf m gt Pipe cutter 4 2 kgf m 5 5 kgf m gt Measuring tape e Do not install in a place full of machine oil or sulfide gas such as hot spring resort 6 6 kgf m Do not install in a saline place such as coast TE o
9. acuum pump Make evacuation for 15 minutes or more and check that the compound meter indicates 76cmHg 1x10 Pa O Turn the stem of the packed valve B about 45 counter clockwise for 6 7 seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure 7 Remove the charge hose from the Low pressure charge hose 8 Fully open the packed valve stems B and A O Securely tighten the cap or the packed valve SAFETY AND LEAKAGE CHECK e Electrical safety check Perform the electric safe check after completing installation Grounding work After finishing grounding work measure the grounding resistance by visual detection and grounding resistance tester Make sure the grounding resistance is tess than 4 0 D Electrical leakage check performing during test running During test operation after finishing installation the serviceman can use the electroprobe and multimeter to perform the electrical leakage check Turn off the unit immediately if leakage happens Check and find out the solution ways till the unit operate properly ECOX SPLIT TYPE ROOM AIR CONDITIONER Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage or the connecting points or the piping If bubbles come out the pipes have leak 2 Le
10. ak detector Use the leak detector to check for leakage PY caution A Lo packed valve B HI packed valve C and D are ends of Indoor unit connection Cover D Fe Outdoor unit A check point Indoor unit check point Outdoor unit check point FIG 27 TEST RUNNING Perform test operation after completing gas leak check at the flare nut connections and electrical safety check Check that all tubing and wiring have been properly connected Check that the gas and liquid side service valves are fully open Connect the power press the ON OFF button on the remote controller to turn the unit on Use the MODE button to select COOL HEAT AUTO and FAN to check if all the functions work well 98 Oo When the ambient temperature is too low lower than 17 C 62 F the unit cannot be controlled by the remote controller to run at cooling mode manual operation can be taken Manual operation is used only when the remote controller is disable or maintenance necessary Hold the panel sides and lift the panel up to an angle until it remains fixed with a clicking sound Press the Manual control button to select the AUTO or COOL the unit will operate under Forced AUTO or COOL mode see User Manual for details O The test operation should last about 30 minutes EDCM COX Creating pleasurable environments
11. ances Otherwise it will cause fire or electrical shock ZN WARNING This symbol indicates the possibility of death or serious injury A caution This symbol indicates the possibility of Injury or damage to property D This equipment must be earthed and installed with E The items to be followed are classified by the symbols earth leakage It may cause electrical shock is grounding is not perfect S Symbol with background white denotes item that is PROHIBITED from doing 2 Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the furniture O A 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 Engage dealer or specialist for installation If installation done by the user is defective it will cause water leakage electrical shook fire Install according to this installation instructions strictly If installation is defective it will cause water leakage electrical shock fire Use the attached accessories parts and specified parts for installation otherwise it will cause the set to fall water leakage electrical shock fire Install at a strong and firm location which is able 10 withstands the set s weight If the strength is not enough or installation is not property done the set will drop and cause injury For ele
12. ctrical work follow the local national wiring standard regulation and this Installation Instructions And 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 fire Use specified cable and connects tightly and clamp the cable so that no external force will be acted on the terminal If the connection or fixing is not perfect it will cause heat up or fire at the connections cox SPLIT TYPE ROOM AIR CONDITIONER INSTALLATION INSTRUCTIONS SELECTING INSTALLATION PLACE Morethan 12 on 747 in f More than 15 cm 5 9 in to the ceiling More than 12 cm 4 7 in Select an installation location which is rigid and strong enough to support or hold the unit and select location for easy maintenance Read completely then follow step by step l More than 2 4 m 94 in from the floor INDOOR UNIT ad Do not expose the indoor unit to heat or steam Select a place where there are no obstacles in front or around Pa the unit More than 30 cm 11 in More than 30 cm 11 in Back Left Make sure that condensation drainage can be conveniently fa routed away More than 60 cm 23 in Do not install near a doorway Right ra TES ais Ensure the spaces indicated by arrows from the wall ceiling or TEP E ren other obstacles Front T r FIG 2 A place where noise prevention is taken into consideration
13. k lt l Over 1 3 5 in 40mm T gt Conduit panel Connecting cable Power supply Cover control FIG 23A CONNECT THE CABLE TO THE OUTDOOR UNIT QO O OO OO Remove the cover control from the unit by loosening the 3 screws See Fig 23 Dismount caps on the conduit panel Temporarily mount the conduit tubes not included on the conduit panel Properly connect both the power supply and low voltage lines to the corresponding terminals on the terminal block Ground the unit in accordance with local codes Be sure to size each wire allowing several Inches longer than the required length for wiring Use lock nuts to secure the conduit tubes COX SPLIT TYPE ROOM AIR CONDITIONER EN WARNING Be sure to comply with focal codes while running the wire from the indoor unit to the outdoor unit Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts Loose wiring may cause the terminal to overheat or result In unit malfunction A fire hazard may also exit Therefore be sure all wiring is tightly connected Disconnecting means must be provided and shall be located within sight from and readily accessible from the air conditioner Connecting cable with conduit shall go through the hole of the conduit panel Power supply cord Power supply 1 208 230V 60Hz Special branch circuit breaker Fuse Breaker capacity 20A
14. m a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors AIR PURPING Air and moisture in the refrigerant system have undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture In the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigeration system Therefore the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacuated to remove any noncondensables and moisture from the system AIR PURPING WITH VACUUM PUMP Preparation Check that each tube both liquid and gas side tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage Pipe length and refrigerant amount C ti Ai ee start Additional amount of refrigerant to be method changed Less than 5m Use vacuum pump More than 5m Liquid side P 6 35 Liquid side P 9 53 U a gio R410A pump Pipe length 5 x20g m Pipe length 5 x40g m When relocate the unit to another place perform evacuation using vacuum pump Make sure the
15. ng slightly to outdoor side Indoor E 2 Always use wall hole conduit A when drilling metal grid metal plate or the like FIG 6 Connective Pipe and Drainage Installation Drainage Upper Hook Lower Hook 1 Run the drain hose sloping downward Do not install the drain hose as illustrated in Fig 7 Cushioning material 2 When connecting extension drain hose insulate the connecting part of extension drain hose with a shield pipe do not let the drain hose slack FIG 10 FIG 11 Piping and wrapping FIG 7 Bundle the tubing connecting cable and drain hose with tape securely evenly as shown in Fig 12 e Because the condensed water from rear of the indoor unit is gathered in ponding box and is piped out of room Do not put i i anything else in the box Ponding box Do not block water flow by a rise Do not put the end of drain hose into water Connective pipe installation Pipe room 1 Forthe left hand and right hand piping remove the pipe cover from the side panel Connective pipe 2 For the rear right hand and rear left hand piping install the o Wrapping belt piping as shown 3 Fix the end of the connective pipe Refer to Tightening Drain hose FIG 12 Connection in REFRIGERANT PIPING CONNECTION EN CAUTION e Connect the indoor unit first then the outdoor unit Right hand piping Rear right piping Donotallow the piping to let out from the back of the
16. ocally purchased in case of the water draining off the outdoor unit during the heating mode ECOX SPLIT TYPE ROOM AIR CONDITIONER 9Q0eH 0D 900 Air inlet Air inlet REFRIGERATN PIPE CONNECTION Flaring work Main cause for refrigerant leakage is due to defect in the flaring work Carry out correct flaring work using the following procedure Cut the pipes and cable Use the piping kit accessory or pipes purchased locally Measure the distance between the indoor and the outdoor unit Cut the pipes a little longer than the measure distance Cut the cable 1 5m longer than the pipe length Burr removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work Firmly hold copper pipe in a die in the dimension shown in the table below L seo B B A Drain joint Cn Seal Drain pipe FIG 14 EDCM FIG 16 Pipe ip Reamer FIG 17 Point down Max Min p 6 35 11 3 0 7 P952 1 6 1 0 E127 1 8 1 0 ae 2 4 2 2 Tightenning Connection e Align the center of the pipes e Sufficiently tighten the flare nut with finger
17. perating property by putting the unit lengthwise along the wall or using a dust or shield plates Specially in windy area install the unit to prevent the admission of wind If need suspending installation the installation bracket should accord with technique requirement in the installation bracket diagram The installation wall should be solid brick concrete or the same intensity construction or actions to reinforce damping supporting should be taken The connection between bracket and wall bracket and the air conditioner should be firm stable and reliable Be sure there is no obstacle which block radiating air Settlement of outdoor unit Anchor the outdoor unit with a bolt and nut o 10 or 8 tightly and horizontally on a concrete or rigid mount Outdoor unit dimensions aD 780x540x250 549 280 760x590x275 530 290 670x540x250 484 275 775x545x310 600 320 840x700x320 560 335 895x860x330 590 333 Drain joint installation The drain joint is slightly different according to the different outdoor unit For the drain joint with the see Fig 15 A first fit the seal onto the drain joint then insert the drain joint Into the base pan hole of outdoor unit rotate 90 to securely assemble them To install drain joint as shown In Fig 15 B insert the drain joint into the base pan hole of outdoor unit until it remains fixed with a clicking sound Connecting the drain joint with an extension drain hose L
18. r inn ey ny Spanner half union e Do not install in a place where there are high frequency machines such as wireless equipment welding machine or medical facility Hexagonal wrench 4 mm 4 EDCM SPLIT TYPE ROOM AIR CONDITIONER COX ACCESSORIES Name of Accessories Installation Plate 1 Clip Anchor Self tapping Screw A ST3 9x25 Seal For cooling amp heating models only 5 8 dependeing on model 5 8 dependeing on model 1 1 MW BRB WIN Drain Joint For cooling amp heating models only 6 Connecting Parts you must aoe oa purchase pipe assembly Liquid side Conu hESdeAe about the pope size Gas side 7 Remote controller 1 NOE Except the above parts provided the other parts needed during installation you must purchase Wrapping tape More than 30 cm More than 30 cm ad Loop the es connective cable C More than 60 cm Use a stud finder to locate studs to prevent unnecessary damage to the wall e A minimum pipe run of 3 meters is required to minimize vibration amp excessive noise TwooftheA Band C directions should be free from obstructions This Illustration is for explanation purposes only Copper lines must be insulated Independently ECOX SPLIT TYPE ROOM AIR CONDITIONER INDOOR UNIT INSTALLATION Fit the installation Plato 1 Fit the installation plate horizontally on structural
19. supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance If the power cord is to be replaced replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring Standards by authorized personnel only SPLIT TYPE ROOM AIR CONDITIONER cox wy SAFETY PRECAUTIONS 7 Wiring routing must be properly arranged so that control e Read the follow SAFETY PRECAUTIONS carefully before installation boars cover is fixed properly If control board cover is not fixed perfectly it will cause heat up at connection point Electrical work must be installed by a licensed electrician Be sure of terminal fire or electrical shock touse the correct rating of the power plug and main circuit for the mode to be installed When carrying out piping connection take care not to let air substances other than the specified refrigerant Incorrect installation due to ignoring of the instruction will cause go into refrigeration cycle Otherwise it will cause lower harm or damage capacity abnormal high pressure in the refrigeration cycle explosion and injury E The seriousness is classified by the following indications Do not modify the length of the power supply cord or use of extension cord and do not share the single outlet with other electrical appli
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