Carrier 38QUS014DS2 series Installation Manual
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Carrier 38QUS014DS2 series Installation Manual

Multi system air conditioner
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MULTI SYSTEM AIR CONDITIONER
IMPORTANT NOTE:
Read this manual carefully before
•
installing or operating your new air
conditioning unit. Make sure to save
this manual for future reference.
This manual only describes the installation of
•
outdoor unit. When installing the indoor unit,
refer to the installation manual of indoor unit.

INSTALLATION MANUAL

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  • Page 1: Installation Manual

    MULTI SYSTEM AIR CONDITIONER INSTALLATION MANUAL IMPORTANT NOTE: Read this manual carefully before • installing or operating your new air conditioning unit. Make sure to save this manual for future reference. This manual only describes the installation of • outdoor unit. When installing the indoor unit, refer to the installation manual of indoor unit.
  • Page 2 This product has been det ermined t o be in compliance wit h t he Low Volt age Direct ive ( 2014/3 5/EC), and t he Elect romagnet ic Compat ibilit y Direct ive ( 2014/30/EC) of t he European Union. Correct Disposal of This Product (Waste Electrical &...

  • Page 3: Table Of Contents

    CONTENTS ·································································· 1. PREPARING FOR INSTALLATION 2. INSTALLATION OVERVIEW ················································································ 3. INSTALLATION DIAGRAM ·················································································· 4. SPECIFICATIONS ······························································································· 5. OUTDOOR UNIT INSTALLATION ··········································································· ································································· a. Outdoor Unit Installation Instructions ···················································································· b. Drain Joint Installation ·············································································· c. Notes on Drilling Hole in Wall ········································································...

  • Page 4: Preparing For Installation

    1. PREPARING FOR INSTALLATION 1.1 Safety cautions Installing, starting up, and servicing air-conditioning equipment can be hazardous due to system ressures, electrical components, and equipment location (roofs, elevated structures, etc.). Only trained, qualified installers and service mechanics should install, start-up, and serve this equipment. When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the equipment.
  • Page 5 1. PREPARING FOR INSTALLATION 　 WARNING Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches. In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance must not be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly switched on and off by the utility.
  • Page 6 1. PREPARING FOR INSTALLATION 1.2 Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electriclshock and fire, or equipment failure. Name Shape Quantity...

  • Page 7: Installation Overview

    2. INSTALLATION OVERVIEW 　 Installation order Install the outdoor unit Connect the refrigerant pipes Connect the wires (Page 9) (Page 12) (Page 14) Evacuate the refrigeration Perform a test run system (Page 21) (Page 19) GB-6...

  • Page 8: Installation Diagram

    3. INSTALLATION DIAGRAM Installation Diagram Fig. 3.1 Safety Precautions CAUTION CAUTION To prevent wall damage, use a stud This illustration is for demonstration • • finder to locate studs. purposes only. A minimum pipe run of 3 metres is The actual shape of your air condtioner •...

  • Page 9: Specifications

    4. SPECFICATIONS Table 4.1 Number of units that can be Connected units 1-5 units used together Compressor stop/start frequency Stop time 3 min or more voltage fluctuation within ±10% of rated voltage Power source voltage voltage drop during start within ±15% of rated voltage interval unbalance within ±3% of rated voltage Table 4.2...

  • Page 10: Outdoor Unit Installation

    5. OUTDOOR UNIT INSTALLATION Outdoor Unit Installation Instructions The area must be free of combustible √  gases and chemicals. The pipe length between the outdoor √  Step 1: Select installation location. and indoor unit may not exceed the The outdoor unit should be installed in the maximum allowable pipe length.
  • Page 11 5. OUTDOOR UNIT INSTALLATION Split Type Outdoor Unit Rows of series installation (Refer to Fig 5.4, 5.5, 5.6, 5.9 and Table 5.1) Table 5.2 The relations between H, A and L are as follows. 25 cm / 9.8” or more L ≤...

  • Page 12: Drain Joint Installation

    5. OUTDOOR UNIT INSTALLATION Notes On Drilling Hole In Wall NOTE: The minimum distance between the outdoor unit and walls described in the You must drill a hole in the wall for the installation guide does not apply to airtight refrigerant piping, and signal cable that will rooms.

  • Page 13: Refrigerant Piping Connection

    6. REFRIGERANT PIPING CONNECTION Safety Precautions CAUTION DO NOT deform pipe while cutting. Be extra careful not to damage, dent, or WARNING deform the pipe while cutting. This will drastically reduce the heating efficiency All field piping must be completed by a •...
  • Page 14 6. REFRIGERANT PIPING CONNECTION 4. Remove PVC tape from ends of pipe NOTE: Use both a spanner and a torque when ready to perform flaring work. wrench when connecting or disconnecting 5. Clamp flare form on the end of the pipe. pipes to/fromthe unit.

  • Page 15: Wiring

    7. WIRING Safety Precautions Follow these instructions to prevent distortion when the compressor starts: WARNING • The unit must be connected to the main • Be sure to disconnect the power outlet. Normally, the power supply must supply before working on the unit. have a low output impedance of 32 •...
  • Page 16 7. WIRING Table 7.1: Other Regions 3. Connect the u-lugs to the terminals Rated Current of Nominal Cross-Sectional Match the wire colors/labels with the Appliance (A) Area (mm²) labels on the terminal block, and firmly 0.75 ≤ screw the u-lug of each wire to its corresponding terminal.

  • Page 17: Wiring Figure

    7. WIRING Wiring Figure CAUTION Connect the connective cables to the terminals, as identified, with their matching numbers on the terminal block of the indoor and outdoor units. For example, in the models shown in the following diagram, Terminal L1(A) of the outdoor unit must connect with terminal 1 on the indoor unit A.
  • Page 18 7. WIRING NOTE: Please refer to the following figures if end-users wish to perform their own wiring. One-three models: Model B Model A One-four models: Model B Model A GB-17...
  • Page 19 7. WIRING One-five models: Model B Model A CAUTION After confirmation of the above conditions, follow these guidelines when performing wiring: • Always have an individual power circuit specifically for the air conditioner. Always follow the circuit diagram posted on the inside of the control cover. Screws fastening the wiring in the casing of electrical fittings may come loose during •...

  • Page 20: Air Evacuation

    8. AIR EVACUATION NOTE: If there is no change in system Safety Precautions pressure, unscrew the cap from the packed valve (high pressure valve). If CAUTION there is a change in system pressure, • Use a vacuum pump with a gauge reading there may be a gas leak.

  • Page 21: Note On Adding Refrigerant

    8. AIR EVACUATION Note On Adding Refrigerant CAUTION • Refrigerant charging must be performed after wiring, vacuuming, and the leak testing. DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. • Doing so can damage the unit or impact it’s functioning. •...

  • Page 22: Test Run

    9. TEST RUN f. Check to see that the drainage Before Test Run system is unimpeded and draining A test run must be performed after the entire smoothly. system has been completely installed. Confirm g. Ensure there is no vibration or the following points before performing the test: abnormal noise during operation.

  • Page 23: Function Of Automatic Wiring/Piping Correction

    10. FUNCTUON OF AUTOMATIC WIRING/PIPING CORRECTION Automatic Wiring/Piping Correction Function More recent models now feature automatic correction of wiring/piping errors. Press the "check switch" on the outdoor unit PCB board for 5 seconds until the LED displays "CE”, indicating that this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE"...
  • Page 24 BEIJER REF AB Stortorget 8 Malmö Sweden GB-23...

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