Carrier 53QG18-H Installation Manual
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Carrier 53QG18-H Installation Manual

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0 - 2009

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Summary of Contents for Carrier 53QG18-H

  • Page 1 0 - 2009...

  • Page 2: Air Conditioner

    Thank you for selecting Carrier Air Conditioner You can be justifiably of your purchase because the same pride in craftsmanship and engineering know-how that goes into Carrier equipment worldwide have been built into your unit. pleasant benefits awaiting with room conditioning is that in addition to being cooled, the room air is filtered and dehumidified.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS PAGE NO. 1. GENERAL NOTES TO INSTALLER 2. MODELS 3. OPERATING LIMITS 4. DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES 5. PRECAUTIONS BEFORE INSTALLATION 6. SPLIT SYSTEM DESCRIPTION 7. INSTALLTION ACCESSORIES 8. INSTALLATION CHART 9. SELECTING INSTALLATION LOCATION FOR INDOOR UNIT 10.

  • Page 4: General Notes To Installer

    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.

  • Page 5: Models

    HEAT PUMP Cool only System Indoor Unit Outdoor Unit System Indoor Unit Outdoor Unit Model Model Model Model Model Model 53QG18-H 42QG18-H 38QG18-H 53QG18-C 42QG18-C 38QG18-C 53QG24-H 42QG24-H 38QG24-H 53QG24-C 42QG24-C 38QG24-C Notes: 53 = Split System 42 = Indoor Unit...

  • Page 6: Dimensions, Weights And Minimum Clearances

    4. DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES 4-1 OUTDOOR UNITS 38QG SERIES DIMENSIONS (mm) Weight Model 38QG18 52.8 38QG24 58.5 MINIMUM CLEARANCES FOR FREE AIR CIRCULATION, SERVICE AND MAINTENANCE Notes: - The front of the condensing unit (Propeller discharge airside) should be free from obstructions. Any obstruction should be away from front of the condensing unit with distance specified in the following drawings.
  • Page 7 DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES (Cont.) MINIMUM CLERANCES OF OUTDOOR UNIT FOR FREE AIR CIRCULATION, SERVICE AND MAINTENANCE (Cont.) Obstacle at air inlet to outdoor unit ( unit back ) No obstacle at unit top No obstacles at unit and left sides Single unit installation Serial installation of two or more units 160 mm...
  • Page 8 DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES (Cont.) MINIMUM CLERANCES OF OUTDOOR UNIT FOR FREE AIR CIRCULATION, SERVICE AND MAINTENANCE (Cont.) Obstacle at air outlet from outdoor unit ( unit front ) No obstacle also at unit top No obstacles at unit right and left sides Single unit installation Serial installation of two or more units 500 mm...
  • Page 9 DIMENSIONS, WEIGHTS AND MINIMUM CLEARANCES (Cont.) 4-2 INDOOR UNITS 42QG SERIES DIMENSIONS (mm) 1080 Weight Model 42QG18 42QG24 Main Body Mounting Plate Connection Tube Drain Hose MINIMUM CLEARANCES FOR FREE AIR CIRCULATION, SERVICE AND MAINTENANCE...

  • Page 10: Precautions Before Installation

    9- Product normal sound ( refrigerant – moving parts ) 10- Inconvenience or commercial loss is not covered. The decision of Carrier in ascertaining the same will be final. Any such repairs will be carried - out at the expense of the owner ( purchaser ).

  • Page 11: Split System Description

    6. SPLIT SYSTEM DESCRIPTION Outdoor Unit Indoor Unit 1: Remote control signal receiver. 2: Operating status leds. 6: Supply air outlet 3: Supply air flap 7: Characteristics nameplate. 4: Air return. 8: Inter connecting tubing. 5: Air filter. 9: Condensate drain line.

  • Page 12: Installtion Accessories

    7. INSTALLATION ACCESSORIES 7.1 STANDARD INSTALLATION ACCESSORIES Supplied from the factory DESCREPTION CONFIGURATION USAGE Battery 1.5 volt size AAA To operate the wireless remote control alkaline type Wireless remote control and To operate the air conditioner Plastic holder for remote To mount remote control on the wall Owner manual To illustrate control functions of operation...
  • Page 13 INSTALLATION ACCESSORIES (Cont.) 7.4 OTHER INSTALLATION ACCESSORIES Not supplied from the factory but must be used in the field to complete installation. DESCREPTION USAGE To electrically connect the indoor unit, the outdoor unit and circuit Electrical Connection Cords breaker ‫ـ‬ Wall Sleeve To fill the gap between the wall hole and the lump of refrigerant ‫ـ‬...

  • Page 14: Installation Chart

    8. INSTALLATION CHART 1) Installing outdoor unit 5) Connecting refrigerant 9) Air purging with piping lines a vacuum pump 2) Drilling hole thru the 6) Connecting condensate 10) Refrigerant leak test wall drain line 7) Connecting electrical 3) Installing indoor unit 11) Opening service valves wiring Outdoor...

  • Page 15: Selecting Installation Location For Indoor Unit

    9. SELECTING INSTALLATION LOCATION FOR INDOOR UNIT 9.1 CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION Avoid excessive height difference between indoor and outdoor units Avoid excessive length of refrigerant piping lines between indoor and outdoor units Location of Indoor Unit Relative to Space to be Air-Conditioned. The installation location should permit the unit to deliver air to all of the space to be uniformly 175CM OR MORE...
  • Page 16 SELECTING INSTALLATION LOCATION FOR INDOOR UNIT (Cont.) CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.) Avoid an installation location, which has an environment with oil vapors. Avoid an installation location which has an environment affected by high frequency waves generated as from radio equipment’s welders and medical equipment’s.
  • Page 17 SELECTING INSTALLATION LOCATION FOR INDOOR UNIT (Cont.) 9.2 POSSIBLE OUTLET LOCATIONS OF REFRIGERANT PIPING LINES FROM INDOOR UNIT Possible outlet locations of refrigerant piping lines from indoor unit. Fig. (1) The refrigerant piping lines can be connected in one of the following Four outlet locations as indicated by (1), (2), (3) and (4) When the piping is connected to the...

  • Page 18: Selecting Installation Location For Outdoor Unit

    10. SELECTING INSTALLATION LOCATION FOR OUTDOOR UNIT 10.1 INSTALLATION LOCATIONS The condensing unit can be installed in any outside location, on a wall, roof or on a ground level. 10.2 CONSIDERATIONS FOR SELECTING INSTALLATION LOCATIONS Avoid excessive distance between outdoor and indoor units Avoid excessive height between outdoor and indoor units...
  • Page 19 SELECTING INSTALLATION LOCATION FOR OUTDOOR UNIT (Cont.) CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.) Avoid dripping into Avoid soiling of pipe passageways. ends Avoid disconnecting the refrigerant Avoid allowing connections after piping to get wet installation, this will before connection cause refrigerant leaks Avoid connecting the condensate drain line to the outdoor unit.

  • Page 20: Installation Location Check List

    11. INSTALLATION LOCATION CHECK LIST (A) INDOOR UNIT - The installation location is close to the outdoor unit - The wall hole (required to pass refrigerant piping, electrical cables and drain line) is on the unit right back - The installation location permit the unit to deliver air to all of the space to be air-conditioned - The installation location is far away from any sunlight - The installation location is far away from any heat sources...

  • Page 21: Preparing Unit Before Installation

    12. INSTALLATION OF INDOOR UNITS 12.1 PREPARATION STEPS OF INDOOR UNIT BEFORE INSTALLATION a. Put packed unit as shown. d. Lift insert grille to the top of the unit Remove plastic strap (item 1) from with both hands and it will be cardboard.

  • Page 22: Installation Steps

    INSTALLATION OF INDOOR UNITS (Cont.) 12-2 INSTALLATION STEPS OF INDOOR UNIT STEP (1): Selecting Wall Hole Location Back Piping In case of passing refrigerant piping lines, electrical cables and condensate drain line behind the unit, drill a hole of 8 cm behind the unit in one of the following locations as per sequence: Location (A): behind unit right.
  • Page 23 INSTALLATION OF INDOOR UNITS (Cont.) INSTALLATION STEPS OF INDOOR UNIT (Cont.) NOTES: a. Fasten the wall hang bracket to the wall with all the 5 (Five) screws supplied with unit. This correct fixation will prevent motion of bracket after fixation, which can cause noisy unit operation.
  • Page 24 INSTALLATION OF INDOOR UNITS (Cont.) INSTALLATION STEPS OF INDOOR UNIT (Cont.) Step (8): Passing refrigerant piping, electrical cords and drain hose of indoor unit through wall sleeve. Passing refrigerant piping lines • through the wall sleeve is done before hooking the indoor unit body onto the top of the wall hang bracket.

  • Page 25: Remote Control Installation

    13. REMOTE CONTROL INSTALLATION 13.1 HOW TO INSERT BATTERIES: (a) Remove the cover of battery compartment at the back of the remote control by pressing the tab toward inside, in the direction of the arrow. (b) Mount the two-battery size AAA 1.5 Volt supplied with the remote control. Then close the cover of the battery component.

  • Page 26: Outdoor Unit Installation

    14. OUTDOOR UNIT INSTALLATION 14.1 PREPARATION STEPS BEFORE INSTALLATION Put packed unit as shown. b. Lift unit from cardboard. c. Remove service door (item 2) by removing one screw (item 1). Detach the cable clamp by removing one screw. 14.2 INSTALLATION STEPS WALL INSTALLATION STEPS FLOOR INSTALLATION STEPS Wall Support Dimensions (mm)

  • Page 27: Connecting Refrigerant Piping Lines

    15. CONNECTING REFRIGERANT PIPING LINES 15-1 INSTRUCTIONS FOR CONNECTIING REFRIGERANT PIPING LINES Avoid excessive height difference between indoor and outdoor units. Avoid excessive length of refrigerant piping lines between indoor and outdoor units - All bends must be considered when connecting indoor unit with outdoor unit by required length of refrigerant piping lines.
  • Page 28 CONNECTING REFRIGERANT PIPING LINES (Cont.) INSTRUCTIONS FOR CONNECTIING REFRIGERANT PIPING LINES (Cont.) The minimum radius of bending must not be less than 100 mm to avoid damage of Radius of Bending tubing. Once the tubing is bent, the installer must not unbend at the same point as this causes work hardening of copper tubing and makes it more difficult to reshape...
  • Page 29 CONNECTING REFRIGERANT PIPING LINES (Cont.) 15.2 USE OF REFRIGERANT PIPING LINES The following data refers to the use of refrigerant piping lines of diameters equivalent to that use in units where: L = Maximum length of refrigerant piping lines between outdoor and indoor unit. H = Maximum vertical distance between outdoor and indoor units.
  • Page 30 CONNECTING REFRIGERANT PIPING LINES (Cont.) 15-3 LENGTHS AND DIAMETERS OF REFRIGERANT PIPING LINES FOR ALL MODELS 5/8” 3/8” S = Suction line diameter. L = Liquid line diameter. 15.4 REFRIGERANT CHARGE. • For refrigerant piping lines of length more than 3 meters, add 25 grams of refrigerant per extra meter from 3 meters refrigerant piping lines: Example 1 = For 8 meter lines, refrigerant added = (8-3) x 25 = 125 grams.
  • Page 31 CONNECTING REFRIGERANT PIPING (Cont.) 15.5 DESCRIPTION OF REFRIGERANT CONNECTIONS OF OUTDOOR UNIT. (1) Suction flare valve. (2) Suction service valve. (3) Suction port to open & close. (4) Cap for suction service valve. 7 & 9 (5) Cap for suction port. (6) Liquid flare valve.
  • Page 32 CONNECTING REFRIGERANT PIPING LINES (Cont.) 15-9 STEPS FOR PREPARING REFRIGERANT PIPING LINES BEFORE CONNECTIONS ( IN CASE OF NOT USING THE OPTIONAL FACTORY REFRIGERANT PIPING LINES WITH THE FLARE NUTS ) Pipe Cutter STEP (1): Cutting refrigerant piping lines • Remove protective caps from copper pipe ends. •...
  • Page 33 CONNECTING REFRIGERANT PIPING LINES (Cont.) STEPS FOR PREPARING REFRIGERANT PIPING LINES BEFORE CONNECTIONS (Cont.) STEP (4): Mounting flare nuts on the Liquid refrigerant piping lines Piping Line • Mount the suction flare nut on the other side of suction piping line. Suction Mount the liquid flare nut on the other side of Piping Line...
  • Page 34 CONNECTING REFRIGERANT PIPING (Cont.) 15-10 STEPS FOR CONNECTING REFRIGERANT PIPING LINES TO INDOOR UNIT Connecting suction and liquid piping lines respectively with suction and liquid half unions of indoor unit. A. Lubricate suction and liquid piping line end and the threads of the suction and liquid half unions of indoor unit with anti –...
  • Page 35 CONNECTING REFRIGERANT PIPING LINES (Cont.) 15-12 AIR AND MOISTURE PURGE In some countries the law does not permit purging by blowing refrigerant through the lines. If this is the case, please refer to page (31) using the vacuum pump. (A) AIR PURGE USING REFRIGERANT (1) Suction flare valve.
  • Page 36 CONNECTING REFRIGERANT PIPING LINES (Cont.) AIR AND MOISTURE PURGE (Cont.) (B) AIR PURGE USING THE VACUUM PUMP Indoor Unit 1. Connect the gauge manifold and the vacuum pump. 2. Open the low-pressure valve and close the high- pressure valve of gauge manifold completely. Suction 3.
  • Page 37 CONNECTING REFRIGERANT PIPING LINES (Cont.) 15-13 REFRIGERANT LEAK CHECK After connecting the refrigerant piping lines, with both outdoor and indoor units check the joints for leakage with electronic leak detector or soapy water. 15-14 INSULATING REFRIGERANT PIPING LINES To conserve energy and prevent wet floors due to Fastening tape condensation, the suction and liquid piping lines must be well insulated with a proper insulation material.

  • Page 38: Connecting Condensate Drain Line

    CONNECTING CONDENSATE DRAIN LINE 16-1 INSTRUCTIONS FOR CONNECTING CONDENSATE DRAIN LINE The condensate drain line (not supplied) for indoor unit must be made of PVC piping with an inside diameter of 5/8” (16 mm) and have suitable length for the chosen installation site. Possible outlet locations of condensate Instructions for connecting drain hose drain line from the indoor unit...

  • Page 39: Connecting Electrical Wiring

    17. CONNECTING ELECTRICAL WIRING 17-1 ELECTRICAL WIRING BETWEEN ELECTRICAL POWER SUPPLY AND CIRCUIT BREAKER OF AIR CONDITIONER WARNING All electrical connections between electrical power supply and circuit breaker of air conditioner are the responsibility of the customer and must be done by a qualified electrical technician according to national electrical wiring regulations to avoid fire due to short-circuiting.
  • Page 40 CONNECTING ELECTRICAL WIRING (Cont.) 17-2 ELECTRICAL WIRING BETWEEN INDOOR UNIT, OUTDOOR UNIT AND CIRCUIT BREAKER OF AIR CONDITIONER WARNING All electrical connections between the outdoor unit, indoor unit and circuit breaker are the responsibility of the qualified installer and must be done according to national electrical wiring regulations to avoid fire due to short circuiting.
  • Page 41 Breaker **** (Note 2) Heat Pump V/Ph/Hz Amp Watt Amp Watt Amp Watt Amp Watt mm² Standard mild ambient outdoor unit with rotary compressor 53QG18-H 1945 11.5 2425 1745 220/1/50 53QG24-H 11.8 2435 13.9 2880 15.1 3130 11.8 2460 High ambient outdoor unit with rotary compressor 53QG18-H 1940 10.2 2270 11.1...
  • Page 42 CONNECTING ELECTRICAL WIRING (Cont.) 17-4 CONNECTING ELECTRICAL WIRING FOR HEAT PUMP SYSTEM Indoor Unit LEGEND Earth Main Live power supply. Switch Circuit Neutral power supply. Breaker Live connection indoor/outdoor unit. Neutral connection indoor/outdoor unit. Compressor control. Reversing valve control. Outdoor fan motor control. Outdoor coil sensor.

  • Page 43: Finishing Installation

    18. FINISHING INSTALLATION 18-1 FINISHING STEPS FOR INSTALLATION a. Tie together refrigerant piping, drain d. Insert grille frame to the top of the hose, electrical connection cords. indoor unit body. Form the refrigerant piping in the required direction and bind the drain hose, electrical connection cord and signal line together with vinyl tape.

  • Page 44: Test Running

    (See figure & table) - Measure total Amps consumed by the system. Measure System working voltage. 1. High Pressure Measuring. 2. Low Pressure Measuring. System Cooling Test Running SYSTEM MODEL 53QG18-H 53QG24-H AMBIENT TEMP ºC HIGH PRESSURE LOW PRESSURE TOTAL AMPS 10.5 11.5...
  • Page 45 (See figure) - Measure total Amps consumed by the system. Measure system-working voltage. 1. Low Pressure Measuring. 2. High Pressure Measuring. System Heating Test Running SYSTEM MODEL 53QG18-H 53QG24-H AMBIENT TEMP ºC HIGH PRESSURE PSI LOW PRESSURE PSI TOTAL AMPS 11.8 Notes: 1- Readings at 220 volt and 20 ºC return air to indoor unit...

  • Page 46: Air Circulation For Indoor Unit 42Qg Series

    20. AIR CIRCULATION FOR INDOOR UNIT 42QG SERIES Air is supplied into the room through the supply grilles located on the bottom of the cabinet of the indoor unit. Air from the room is drawn into the indoor unit through the return grille and filters at the top of the indoor unit. •...

  • Page 47: After Installation Check List

    21. AFTER INSTALLATION CHECK LIST 21.1 INDOOR UNIT a. The installation location is adequate. b. The unit is solidly mounted and leveled. c. The air filters are installed correctly. d. The internal deflectors of supply air are adjusted for correct air diffusion. 21.2 OUTDOOR UNIT a.
  • Page 48 INSTALLATION CHECK LIST (Cont.) 21.6 FINISHING INSTALLATION a. The refrigerant piping lines, electrical cables and drain hose are lumped together. The drain hose is at the bottom of lump. b. The wall passage hole is properly sealed. 21.7 TESTING RUNNING a.

  • Page 49: Installation Of Optional Air Filters

    22. INSTALLATION OF OPTIONAL AIR FILTERS 22.1 NOTE: Optional set of air filters can be added and field installed as shown below. 22.2 TYPE OF AIR FILTERS: Standard anti – bacteria air filters for dust & bacteria removal Optional carbon filter for odor removal Optional photo-catalytic filter for cigarette smoke removal 22.3 INSTALLATION STEPS OF OPTIONAL AIR FILTERS: Step (1): After lifting return air grill up to the top of the unit, pull the standard air filters downward.

  • Page 50: Self Diagnostic Function For Malfunctions Detection

    23. SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION EXPLAINATION OF SELF-DIAGNOSTIC FUNCTION - Self-diagnostic function is the key for success of air conditioner operation. - The printed circuit boards existing inside the indoor unit are equipped with self-diagnostic function to detect malfunction and automatically stops the operation at the air conditioner. - Once a malfunction is detected, the diagnostic control section will force the system mode to OFF for 3 minutes.

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