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1. GENERAL NOTES TO INSTALLER

CARRIER

split room air conditioner has been carefully designed and manufactured under strict

Quality Control conditions.

Therefore you are completely responsible for proper installation completion and operation of the air

conditioner.

Carefully read the manual carefully before proceeding with the installation to ensure correct

installation. This manual describes installation instructions to help ensure trouble free operation and
extended life of the air conditioner.

Make sure all accessory parts are with the system before beginning installation.

You will need the following tools during installation:

1. Standard screw driver

10. Flare tool set

2. Phillips head screw driver

11. Pipe bender

3. Hole core drill

12. Hexagonal wrench

4. Tape

measure

13. Torque wrench

5. Water

level

14. Vacuum pump

6. Pipe

clamp

15. Gas leak detector

7. Pipe

cutter

16. Manifold gauge

8. Spanner

17. Thermometer

9. Reamer

18. Electrical circuit tester

After completion of installation, perform a run test and give the customer full
instructions on the correct operation of the air conditioner including:

•

Turning the unit on and off.

•

Removal and cleaning of the air filters.

•

Functions of the remote control.

•

Re-installation of air filters after cleaning

Leave the owner manual with the customer so that it can to be used during operation of the air
conditioner.

Leave the installation manual with the customer so that it can be used for any service and
maintenance operations.

Advise the customer to the tips of energy saving while operating the air conditioner
as mentioned in the owner’s manual.

Содержание 38QPCT18C-708

Страница 1: ...04 30334 TMS Safety Management System BS OHSAS 18001 2007 Certificate No 12 116 30334 TMS 03502767 Carrier is committed to continuously improving its products according to national and international s...

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

Страница 3: ...crew driver 11 Pipe bender 3 Hole core drill 12 Hexagonal wrench 4 Tape measure 13 Torque wrench 5 Water level 14 Vacuum pump 6 Pipe clamp 15 Gas leak detector 7 Pipe cutter 16 Manifold gauge 8 Spanne...

Страница 4: ...e due to wrong electrical connections between the electrical power supply and circuit breaker of air conditioner leading to fire due to short circuiting As these electrical connections are owner s res...

Страница 5: ...s leds 6 Supply air outlet of indoor unit 3 Supply air flap of indoor unit 7 Characteristics nameplate 4 Air return to indoor unit 8 Refrigerant piping lines and electrical cables 5 Air filters inside...

Страница 6: ...OOLING 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 temperature Maximum Minimum 27 20 Outdoor tem...

Страница 7: ...el Kg 42QPCT18 14 42QPCT24 14 7 DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT DIMENSIONS mm Model Mounting Dimensions mm Unit Dimensions mm Weight A B C D E 38QPCT18 530 290 760 590 285 39 5 Weight Model Kg...

Страница 8: ...e service 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 15: ...it Only for domestic market 1 To mount outdoor unit on the ground or floor Insulated refrigerant piping lines with flare nuts of lengths 3 meter Only for domestic market 1 To connect refrigerant betwe...

Страница 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...

Страница 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...

Страница 18: ...on box Remove Styrofoam parts By pulling right and left Styrofoam you will find small carton box containing electrical connection cords and remote control with its accessories Turn the unit up you wil...

Страница 19: ...location R or L 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 5 10 mm Step 3 Cutting Sleeve...

Страница 20: ...rical cables of indoor unit As per the selected location of wall hole form and tie together with vinyl tape the refrigerant piping electrical cables and drain hose The drain hose should be at the bott...

Страница 21: ...ore easily if the unit is inclined WARNING Do not supply power to the indoor unit until all refrigerant piping and electrical wiring to the outdoor unit are completed Step 9 Installing the Indoor Unit...

Страница 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...

Страница 23: ...h as curtains doors or other materials between the remote control and the receiver of indoor unit to avoid blocking the signals from the remote control to the indoor unit 4 The maximum operating dista...

Страница 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...

Страница 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...

Страница 26: ...is connected to the direction of 1 or 2 or 4 detach the knock out either at the side or at the bottom of the unit See fig 2 Drain hose and drain cap are assembled in the factory as shown in figure For...

Страница 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...

Страница 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...

Страница 29: ...iciency of compressor mechanical parts 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...

Страница 30: ...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 of refrigerant...

Страница 31: ...RIPTION OF REFRIGERANT CONNECTIONS OF INDOOR UNIT Refrigerant Connections Details 16 8 DESCRIPTION OF REFRIGERANT CONNECTIONS OF REFERIGERANT PIPING LINES 1 Gas piping line 2 Liquid piping line 16 9 C...

Страница 32: ...sure that no copper scraps fall into the pipe STEP 3 Mounting flare nuts on the ends of refrigerant piping Mount gas flare nut large nut on the end of gas refrigerant piping line Mount liquid flare n...

Страница 33: ...g line STEP 6 Removing protective plastic nuts of gas and liquid connections of indoor units NOTES Do not remove protective plastic nuts from the indoor unit until refrigerant piping lines are ready f...

Страница 34: ...to damage the flare nut threads NOTES 1 Insufficient tightening torque will cause refrigerant leaks 2 Over tightening the torque will damage the pipe flaring and cause refrigerant leaks 16 12 STEPS O...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 40: ...in one of the following Four outlet locations as indicated by 1 2 3 4 and 5 When the condensate drain line is connected to the direction of 1 or 2 or 4 detach the knock out either at the side or at th...

Страница 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...

Страница 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...

Страница 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...

Страница 44: ...z Amp Watt Amp Watt Amp Watt Amp Watt Amp 53QPCT18C 52 220 240 8 7 1820 10 8 2323 11 6 2546 20 53QPCT24C 65 220 240 11 7 2436 14 3 2998 15 5 3308 25 NOTES 1 Starting Current duration is usually less t...

Страница 45: ...of electrical cables connections with the terminal block 18 5 CONNECTING ELECTRICAL WIRING TO INDOOR UNIT connect electrical cables to the terminal block of indoor unit as per the wiring diagram and...

Страница 46: ...mm2 1 mm2 1 mm2 18 7 CONNECTING ELECTRICAL WIRING FOR HEAT PUMP SYSTEM Important Note Outdoor coil sensor must be first connected in outdoor unit 38QPCT18H 708 and electrical connection S S must be m...

Страница 47: ...ntrol and control functions are working properly b Fill the gap between the outside wall pipe hole and the piping with sealing wall sleeve wall cap and sealer so that rain and wind cannot enter g Adju...

Страница 48: ...erant charge See figure table Measure total Amps consumed by the system Measure System working voltage Outdoor Unit 38QPCT18 Outdoor Unit 38QPCT24 System Cooling Test Running Hi Wall Split System Cool...

Страница 49: ...erant charge See figure Measure total Amps consumed by the system Measure system working voltage Outdoor Unit 38QPCT18H Outdoor Unit 38QPCT24H System Heating Test Running Hi Wall Split System Heat Pum...

Страница 50: ...HEAT mode the flap will swing in the heat range NOTE Always use the remote control to adjust the flap position otherwise it may cause abnormal operation Please turn off the unit and turn it on again...

Страница 51: ...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...

Страница 52: ...abnormal noise or vibration from 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...

Страница 53: ...ery half second and the error codes are displayed by the flashing frequency of unit on lamp The error codes are displayed during SHUT OFF 3 minutes off and after the 5th retry failure Green led flashe...

Страница 54: ...www miraco com eg...

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