Carrier 38KHET12-708 Installation Manual Download

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Rev. (0) - 2012

Quality

Management System

ISO 9001 : 2008

Certificate No.: QS-5519HH

Enviromental

Management System

ISO 14001 : 2004

Certificate No : 12 104 30334 TMS

Safety

Management System

BS OHSAS 18001 : 2007

Certificate No : 12 116 30334 TMS

220-240V ~, 50Hz

R22

03502821

Carrier is committed to continuously improving its products according to national and international standards

to ensure the highest quality and reliability standards, and to meet market regulations and requirements.
All specifications subject to change without prior notice according to Carrier policy of continuous development.

INSTALLATION MANUAL

Hi Wall Split Air Conditioners

53KHET 12-18-24

Cool Only

53QHET 12-18-24

Heat Pump

Summary of Contents for 38KHET12-708

Page 1: ...z R22 03502821 Carrier is committed to continuously improving its products according to national and international standards to ensure the highest quality and reliability standards and to meet market...

Page 2: ...11 INSTALLTION ACCESSORIES 13 12 INSTALLATION CHART 15 13 INDOOR UNIT INSTALLATION 12 1 PREPARING UNIT BEFORE INSTALLATION 16 12 2 INSTALLATION STEPS 17 14 REMOTE CONTROL INSTALLATION 20 15 OUTDOOR UN...

Page 3: ...lectric drill Hole core drill 12 Hexagonal wrench 4mm 4 Measure tape 13 Torque wrench 5 Water level gauge 14 Vacuum pump 6 Pipe clamp 15 Gas leak detector 7 Pipe cutter 16 Gauge manifold 8 Spanner hal...

Page 4: ...ke the electrical connections Similarly when disassembling disconnect the electrical wiring first and only then open refrigerant connections What is not covered in our warranty 1 Failure due to wrong...

Page 5: ...l supply air louver 7 Vertical supply air louvers 8 Air filters 9 Manual control button 10 Power cord 11 Inter connecting refrigerant piping and electrical cables between indoor and outdoor units 12 D...

Page 6: ...Carrier F Ionizer 5 OPERATING LIMITS COOLING HEATING Difference Dry Bulb Temp C Wet Bulb Temp C Difference Dry Bulb Temp C Wet Bulb Temp C Indoor temperature Maximum Minimum 32 21 23 15 Indoor tempera...

Page 7: ...Pump 42KHET18 708F Cool Only 920 292 225 12 42QHET18 708F Heat Pump 42KHET24 708F Cool Only 1080 330 228 17 42QHET24 708F Heat Pump 7 DIMENSIONS AND WEIGHT OF OUTDOOR UNIT DIMENSIONS mm Model Mountin...

Page 8: ...vice and maintenance Select installation location so that the wall hole required to pass the outlet refrigerant piping lines electrical cables and condensate drain line from indoor unit can be in one...

Page 9: ...ance of the unit Avoid installation location where there are obstacles such as curtains and such as curtains furniture near the air inlet or outlet that may affect air flow and performance of the unit...

Page 10: ...ating performance Avoid installation location which can lead to excessive height difference between indoor and outdoor units to avoid alteration on system cooling and heating performance Avoid install...

Page 11: ...allation location which is full of sulfuric gas which may result in malfunction Select installation location where the operation noise and discharged air are not disruptive to your neighbors When the...

Page 12: ...side of outdoor unit should by away from any obstacle by 400 mm or more to ensure easy access to refrigerant and electrical connections The right side of outdoor unit air inlet should be away from an...

Page 13: ...l support to ensure free air circulation The left side of outdoor unit should by away from any obstacle by 400 mm or more to ensure easy access to refrigerant and electrical connections The right side...

Page 14: ...ower supply is close to the outdoor unit The installation location is close to the indoor unit The installation location is able to support operating weight of outdoor unit The installation location i...

Page 15: ...tdoor unit on the ground or floor Insulated refrigerant piping lines with flare nuts of length 3 meter Only for domestic market 1 To connect refrigerant between outdoor and indoor units and refrigeran...

Page 16: ...s and condensate drain line Finishing tape PVC film To tie together the refrigerant piping lines electrical connection cables and condensate drain line Vinyl tape To stick pipe insulation Drain hose I...

Page 17: ...cuum pump 2 Drilling hole thru the wall 6 Connecting condensate drain line 10 Refrigerant leak test 3 Installing indoor unit 7 Connecting electrical wiring 11 Opening service valves 4 Pipes flaring 8...

Page 18: ...nsate drain line from unit right side or from unit left side remove the pipe cover form the side panel Size 12K Size 18K Size 24K Right rear side refrigerant pipe hole 65 45 90 120 mm or more to wall...

Page 19: ...be made as required in either location 1 or 2 When making wall hole make sure to drill outwards at a downward angle so that the height difference between the entrance and exit of the hole is at least...

Page 20: ...nd the wall to avoid vibrations and sound during unit operation d Check that the wall hang bracket does not move This can cause noise during operation See chapter 18 Connecting Electrical Wiring Step...

Page 21: ...t and move indoor unit from side to side to see that it is securely hooked 3 Piping can easily be made by lifting the indoor unit with a cushioning material between the indoor unit and the wall Get it...

Page 22: ...ttery symbols indicated in batteries compartment NOTES 1 The remote control uses two alkaline batteries 1 5 Volts 2 Do not use old batteries or batteries of different types as this may cause the remot...

Page 23: ...he curtains to avoid direct sunlight 3 Avoid obstacles obstructions such as curtains doors or other materials between the remote control and the receiver of indoor unit to avoid blocking the signals f...

Page 24: ...by using 2 nuts item 5 and 2 spring washers item 6 2 Fix front angle item 4 with right side item 1 and left side item 2 by using 2 nuts item 5 and 2 spring washers item 6 3 Fix top angle item 4 with...

Page 25: ...23 16 CONNECTING REFRIGERANT PIPING LINES 16 1 REFRIGERANT CONNECTIONS CHART 1 Pipes Flaring 2 Pipes Connections 3 Air Purging 4 Leak Check 5 Pipes Insulation 6 Opening Valves...

Page 26: ...nt leak testing and to facilitate service and maintenance NOTES 1 For right side or left side piping remove the pipe cover from side panel Explain to the client that the pipe cover must be kept as it...

Page 27: ...erformed by qualified installer according to good refrigeration systems practices Piping materials and insulation materials must be of refrigerant quality Select the pipe diameters to the size of syst...

Page 28: ...it together When there is excessive tubing it must be coiled horizontally so that the flow of refrigerant is from the top to bottom of the coil and towards the outdoor unit The excessive tubing must n...

Page 29: ...arts If height is more than 4 meters more than one oil trap must exist at the gas line the first one will be at the gas line near to the indoor unit and the following one will be 4 meters from the fir...

Page 30: ...th refrigerant piping lines of length 3 meters and with added 50 grams for air and moisture purge from the system 2 For refrigerant piping lines of length more than 3 meters add in the field 25 grams...

Page 31: ...SCRIPTION OF REFRIGERANT CONNECTIONS OF INDOOR UNIT Refrigerant Connections Details 16 9 DESCRIPTION OF REFRIGERANT CONNECTIONS OF REFERIGERANT PIPING LINES 1 Gas piping line 2 Liquid piping line 16 1...

Page 32: ...leaking out NOTE When reaming hold the pipe end downward and be sure that no copper scraps fall into the pipe STEP 3 Flaring the Piping Use flare tool to flare ends of both gas and liquid piping line...

Page 33: ...easier to remove protective plastic nuts from the outdoor unit before being installed on the wall support STEP 6 Mounting flare nuts on the ends of refrigerant piping Mount gas flare nut large nut on...

Page 34: ...the flare nut threads NOTES 1 Insufficient tightening torque will cause refrigerant leaks 2 Over tightening the torque will damage the tube flaring and cause refrigerant leaks 16 13 STEPS OF CONNECTIN...

Page 35: ...ave undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling and heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary...

Page 36: ...rench to press the valve core pin discharge for three seconds and then wait for one minute 5 Use torque wrench to tighten the service port cap to a torque of 1 8 kg m 18 Nm 6 Set the 3 way gas valve t...

Page 37: ...urging procedure using vacuum pump 1 Connect the vacuum pump to the charge set s centre hose 2 Evacuate for approximately one hour Confirm that the gauge needle has moved toward 0 1 Mpa 76 cmHg vacuum...

Page 38: ...erate the system for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way gas valve Connect the charge hose with the push pin to the ga...

Page 39: ...LATING REFRIGERANT PIPING LINES To conserve energy and prevent wet floors due to condensation the gas and liquid piping lines must be well insulated with a proper insulation material The thickness of...

Page 40: ...utlet location from unit right back 2 Outlet location from unit left back 3 Outlet location from unit right side 4 Outlet location from unit left side 5 Plastic cover right side 6 Plastic cover left s...

Page 41: ...rainage of water due to air stagnation Avoid horizontal kinks or bends Avoid horizontal drain line with less than 2 slope Avoid vertical kinks or bends Avoid any rise in drain line 7 Avoid connecting...

Page 42: ...r conditioner a separate circuit breaker with its own overload should be installed on the electrical distribution box D Operation On Off Circuit Breaker The installation of two pole automatic circuit...

Page 43: ...xtension cables If extension cables are needed use terminal block C Electrical Connections a Electrical connections must be performed in compliance with national and local wiring codes and standards b...

Page 44: ...Hz Amp Watt Amp Watt Amp Watt Amp Watt Amp 53KHET12 35 220 240 5 7 1250 6 6 1470 7 1 1604 16 53KHET18 50 220 240 8 9 1882 10 8 2335 11 8 2582 20 53KHET24 68 220 240 12 1 2554 13 9 3056 15 0 3299 25 NO...

Page 45: ...ock 2 Avoid miswiring of electrical cables connections with the terminal block Connect the electrical cables to the terminal block of outdoor unit as per the wiring diagram and caution sticker To indo...

Page 46: ...1 mm2 NOTES 1 Connect the power supply to the indoor unit and then get the power required for the outdoor unit from the indoor unit 2 All dotted lines to be fitted by installer 3 Refer to wiring diag...

Page 47: ...ommunication connection indoor unit outdoor units Sizes of electrical wires L N 1 2 S 4 mm2 4 mm2 1 mm2 1 mm2 1 mm2 NOTES 1 Connect the power supply to the outdoor unit and then get the power required...

Page 48: ...e outside wall pipe hole and the piping with sealing wall sleeve wall cap and sealer so that rain and wind cannot enter e Adjust the vertical louvers of supply air for correct air diffusion to the rig...

Page 49: ...rposes Cooling test running function can be performed by using manual control button through the following steps 1 Open and left the front panel up to an angle until it remains fixed with a clicking s...

Page 50: ...46 52 35 46 52 35 46 52 LOW PRESSURE PSI 75 78 79 5 63 70 74 64 68 70 TOTAL AMPS 5 7 6 6 7 1 8 9 10 8 11 8 11 9 14 5 15 9 SYSTEM MODEL 53QHET12 708F 53QHET18 708F 53QHET24 708F AMBIENT TEMP C 35 46 5...

Page 51: ...charge See figure table Measure total Amps consumed by the system System Heating Test Running SYSTEM MODEL 53QHET12 708F 53QHET18 708F 53QHET24 708F AMBIENT TEMP C 7 7 7 HIGH PRESSURE PSI 246 239 287...

Page 52: ...ION The air conditioner automatically adjusts the vertical supply air direction in accordance with the operating mode To set the vertical supply air direction Up Down Perform this function while the u...

Page 53: ...is started immediately after it was stopped the horizontal louver might not move for approximately 10 seconds Open angle of the horizontal louver should not be set too small as cooling or heating perf...

Page 54: ...refrigerant piping lines are tested for refrigerant leakage e The gas and liquid service valves in outdoor unit are open f The cap nuts for flare valves are properly tightened 22 4 CONDENSATE DRAIN LI...

Page 55: ...the outdoor unit during operation c There is no any abnormal noise or vibration from the indoor unit during operation d The wireless remote control operate Correctly e Each lamp on the indoor unit lig...

Page 56: ...rt circuit X X Indoor Coil Sensor open or short circuit Indoor Coil Sensor open or short circuit X X Indoor Fan Motor has been out of control for over 1 minute X Outdoor Coil Sensor open or short circ...

Page 57: ...short circuit X X X Compressor Overload cuts out 4 times X Compressor Overload cuts out 4 times X Electronic Control PCB EEPROM error Electronic Control PCB EEPROM defect X X No over zero signal Indo...

Page 58: ...www miraco com eg...

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