Carrier 38XTZ 007-024 Installation, Operation And Maintenance Instructions
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Carrier 38XTZ 007-024 Installation, Operation And Maintenance Instructions

Carrier 38XTZ 007-024 Installation, Operation And Maintenance Instructions

Split system air-cooled
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Carier is participating in
the Eurovent Certification
Programme. Products are
as listed in the Eurovent
Directory of Certified
Products.
38XTZ 007-024
40ABZ 007, 008, 016, 020 and 024
40ALZ 011 and 014
Split system air-cooled air
conditioners
38XTZ 007 and 008
40ABZ/ALZ
38XTZ 016 and 024
Installation, Operation and Maintenance Instructions

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Summary of Contents for Carrier 38XTZ 007-024

  • Page 1 38XTZ 007-024 40ABZ 007, 008, 016, 020 and 024 40ALZ 011 and 014 Split system air-cooled air conditioners 40ABZ/ALZ Carier is participating in the Eurovent Certification Programme. Products are as listed in the Eurovent Directory of Certified Products. 38XTZ 007 and 008...

  • Page 2: Table Of Contents

    CONTENTS START-UP CHECK LIST ................................3 PHYSICAL DATA .................................... 4 ELECTRICAL DATA (3 PHASE, 50 HZ) ............................4 OPERATING LIMITS..................................4 Standard refrigerant line diameters (inches) ............................4 DIMENSIONS, mm ................................... 5 Service clearance, mm ..................................11 Centre of gravity coordinates (mm - approx.) ..........................12 Weight distribution (kg - approx.) ..............................

  • Page 3: Start-Up Check List

    START-UP CHECK LIST Start up date: ..............Equipment sold by: Contract No: ......................................Installed by: Contract No: ........................................... Site address: ............................................... Equipment type and serial No: 38XTZ ......................................40ABZ/ALZ ......................................ELECTRICAL DATA: Supply voltage Ph 1: . Volts Ph 2: Volts Ph 3...

  • Page 4: Electrical Data (3 Phase, 50 Hz)

    Table 1 - Physical data Indoor unit 40ABZ/ALZ*** 011*** 014*** Outdoor unit 38XTZ Cooling capacity* 18.9 22.3 26.9 36.6 45.1 52.3 68.4 Refrigerant charge (R-407C)** 6.35 6.80 8.35 8.27 6.7x2 6.6 x 2 8.6 x 2 Outdoor unit 38XTZ Weight Compressor Reciprocating, hermetic Quantity...

  • Page 5: Dimensions, Mm

    Outdoor Compressor air inlet Refrigerant-air heat exchanger View A Outdoor air Plan view discharge View from below View A - unit base Front view Plan view When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 6 4 anchor and fixing holes ø 10 mm 4 lifting and transport holes ø 17 mm Note: The unit includes four anchor holes in the base section. When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 7 Outdoor air inlet Plan view Profile view - unit base 4 anchor and fixing holes ø 12 mm 4 lifting and transport holes ø 16 mm When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 8 Note: Rain water is drained through holes in the lower part of the base under the outdoor unit heat exchanger and the fans. When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 9 Standard drain ø 23 Rear and left-side view Dimensions, mm 40ABZ/ALZ 007, 008, 011 1348 1166 1588 1366 240.5 Note: Sizes 011 and 014 are 40ALZ. When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 10 1815 507.5 connections 2625 2315 757.5 Access panel Outlet Hot water coil connections inlet (accessory/option) See detail A Standard drain ø 23 Rear and left-side view When designing an installation, always use up-to-date drawings, available from your local Carrier office.

  • Page 11: Service Clearance, Mm

    Fig. 7 - Service clearance, mm 38XTZ 011 38XTZ 007, 008 38XTZ 014 38XTZ 016, 020, 024 40ABZ/ALZ (all sizes) Air filter removal Air filter removal Required service space for the removal of the air filter and the fans (in case of a breakdown). Clearance should be the same as the unit width.

  • Page 12: Centre Of Gravity Coordinates (Mm - Approx.)

    Fig. 8 - Centre of gravity coordinates (mm - approx.) 38XTZ 007 and 008 38XTZ 011 to 024 38XTZ 1000 1000 1000 Measured from point 40ABZ/ALZ (all sizes) 40ABZ/ALZ 011* 014* XG** 1115 1620 1625 1870 YG** ZG** Models 40ALZ Measured from point...

  • Page 13: Weight Distribution (Kg - Approx.)

    Fig. 9 - Weight distribution (kg - approx.) 38XTZ 007 and 008 38XTZ 014 to 024 Fans Control box Point 38XTZ 40ABZ/ALZ Air filters Point 40ABZ/ALZ* 011* 014* Models 40ALZ...

  • Page 14: Fan Curves (Standard)

    Fig. 10 - Fan curves (standard) 40ABZ 007 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 1,104 kW Air flow: 1416 l/s Air flow: 1416 l/s Pulleys: - Motor: Ø 100; Shaft Ø 24 Static pressure: 105 Pa Static pressure: 126 Pa Fan: Ø...
  • Page 15 Fig. 11 - Fan curves (standard) 40ABZ 008 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 1,104 kW Air flow: 1583 l/s Air flow: 1583 l/s Pulleys: - Motor: Ø 100; Shaft Ø 24 Static pressure: 105 Pa Static pressure: 125 Pa Fan: Ø...
  • Page 16 Fig. 12 - Fan curves (standard) 40ALZ 011 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 1,472 kW Air flow: 1777 l/s Air flow: 1777 l/s Pulleys: - Motor: Ø 125; Shaft Ø 24 Static pressure: 115 Pa Static pressure: 148 Pa Fan: Ø...
  • Page 17 Fig. 13 - Fan curves (standard) 40ALZ 014 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 2,208 kW Air flow: 2894 l/s Air flow: 2694 l/s Pulleys: - Motor: Ø 100; Shaft Ø 28 Static pressure: 115 Pa Static pressure: 114 Pa Fan: Ø...
  • Page 18 Fig. 14 - Fan curves (standard) 40ABZ 016 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 2,944 kW Air flow: 2722 l/s Air flow: 2722 l/s Pulleys: - Motor: Ø 125; Shaft Ø 28 Static pressure: 160 Pa Static pressure: 210 Pa Fan: Ø...
  • Page 19 Fig. 15 - Fan curves (standard) 40ABZ 020 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 4,048 kW Air flow: 2972 l/s Air flow: 2972 l/s Pulleys: - Motor: Ø 150; Shaft Ø 28 Static pressure: 185 Pa Static pressure: 230 Pa Fan: Ø...
  • Page 20 Fig. 16 - Fan curves (standard) 40ABZ 024 Motor pulley control (Standard drive) Air flow Nominal air flow Standard drive data Wet coil Dry coil Motor: 4,048 kW Air flow: 3250 l/s Air flow: 3250 l/s Pulleys: - Motor: Ø 150; Shaft Ø 28 Static pressure: 230 Pa Static pressure: 290 Pa Fan: Ø...

  • Page 21: Safety Considerations

    Check the contents correspond to those listed on the delivery refrigerant connections have been made and the system note. Inform your nearest Carrier office if anything is missing. has been charged with the necessary oil and refrigerant To prevent loss or damage, do not remove the original quantity.

  • Page 22: Unit Transport, Lifting And Handling

    UNIT TRANSPORT, LIFTING AND HANDLING 38XTZ 011 to 024 Ensure the lifting and transport equipment used is able to support the unit weight (see Table 1). When rigging, use spreaders to prevent damage to the panels (see Figs. 17, 18 and 19). Spreaders 40ABZ/ALZ models Insert protective material between the lifting cables and...
  • Page 23 Select a location free of dust or foreign matter which may Table 6 - Minimum clearances (mm) cause coil clogging. D (*) Leave sufficient clearance for free air circulation (outdoor 1000 Free (*) supply and return air). (*) Leave a minimum of 1 m clearance around the unit. For minimum clearances between the units and walls or roofs, see Fig.
  • Page 24 The clearance between the units must be sufficient to Installation on the ground ensure that the discharge air from one unit does not mix 38XTZ units can be positioned on the floor of a patio, on with the supply air of another unit. the ground or on a lawn.
  • Page 25 It is recommended to use flexible connections which When selecting the installation site, observe the following absorb vibrations, prevent noise inside the ductwork and points: allow access to the unit. Ensure that the condensate water collected in the drain pan is correctly evacuated.

  • Page 26: Repositioning Unit Air Discharge

    Interchange the position of panels , fastening Condensate drainage them correctly to the unit. 40ABZ o 40ALZ units are supplied with a condensate drain Bolt the U-bracket to each fan. pan with two drain pipes (outside diameter 23 mm). These Bolt the U-bracket to the angle iron holding the fans...
  • Page 27 When indoor pressure and air flow requirements differ from nominal ratings, the motor pulley can be adjusted for different Return available static pressure values : Move the motor along its track in order to remove the belt Supply (ver Fig. 37). Loosen the pulley setscrews and rotate as necessary.

  • Page 28: Electrical Connections

    Operation of the unit on improper line voltage constitutes abuse and is not covered by the Carrier warranty. 2 kg or 3 kg IMPORTANT: To ensure the correct unit power supply it is necessary first to determine the wire section.

  • Page 29: Master Link I Electronic Control

    Heating coils for electric heater - connect in accordance with the wiring diagram downstream of the 38XTZ main disconnect switch. Do not exceed the power in kW recommended by Carrier. Use correctly sized main fuses and the new unit power DIP-switches...
  • Page 30 Remote reset (38XTZ 011, 014) IMPORTANT: The unit is supplied with a remote electric reset which does not allow start-up of the compressor until the protection devices have been activated. During unit start- up in cooling as well as after shut-down caused by a trip protection device, the equipment is reset by placing the ambient thermostat controls in the position ‘OFF’...

  • Page 31: Refrigerant Line Connections

    LEDs REFRIGERANT LINE CONNECTIONS There are two LEDs (red and green) on the electronic board which indicate its status (see Fig. 43). Connection between units Intermittent green LED: The board status is correct. Green LED off: The following steps should be taken: The 38XTZ outdoor units must be connected with the 40ABZ/ Check whether there is 24 V AC running through the B1 ALZ indoor units with refrigerant-grade copper pipes for correct...

  • Page 32: Pipe Diameter Calculation Procedure

    Outdoor unit above the indoor unit. The outdoor and indoor units are on the same level (Fig. 47). First make an actual outline diagram of the lines and an exact calculation of the total equivalent length. If the 38XTZ diagram shows any level changes to overcome (beams and outdoor unit other structural elements) the resulting section (ascending Suction line...
  • Page 33 Depending on the installation, the suction line (gas) can Selection process: Enter the diagram in Fig. 49 horizontally at the model The outdoor unit is above the indoor unit. Suction number given in the legend. with ascending refrigerant flow. The model number lines run horizontally and intersect the The outdoor unit is below the indoor unit.

  • Page 34: Refrigerant Charge

    ATTENTION: Before connecting the refrigerant lines • Any loss of oil from the system during maintenance carefully follow the steps below: must be stopped immediately and the collected oil Remove the nitrogen holding charge from the refrigerant must be removed in accordance with applicable circuits.

  • Page 35: Start-Up

    START-UP UNIT COMPONENTS Necessary checks/precautions before start-up: The 38XTZ and 40ABZ/ALZ units incorporate the following Confirm that the electrical power source agrees with the components: unit nameplate rating. Three-phase hermetic reciprocating compressors with Ensure that the power connections between speed and internal thermal protection in the 38XTZ units.

  • Page 36: General Maintenance

    Also ensure that the cause serious damage to the units and will void the Carrier belt tension is correct. At the first start-up, and after a longer warranty.

  • Page 37: Servicing Recommendations

    Compressor replacement NOTE: This operation must be done by a qualified technician. When an internal fault occurs, the compressor must be replaced. This must be done as detailed below: Disconnect the unit from the electrical supply. 2 kg or 3 kg Remove the panels.
  • Page 38 Table 15 - Options/accessories 38XTZ-40ABZ/ALZ Option Accessory Heating coils for 40ABZ/ALZ indoor units: A - electric resistance heaters B - hot-water coils Thermal-magnetic crankcase heaters for 38XTZ outdoor units Low refrigerant pressure switch for 38XTZ outdoor units* Head pressure control for cooling operation at outdoor air temperatures below +19°C (38XTZ) Special drives for higher indoor unit fan static pressure (40ABZ/ALZ - installed in the units on request) Room thermostat, wired remote control - versions:...

  • Page 39: Final Recommendations

    FINAL RECOMMENDATIONS IMPORTANT: All recommendations concerning unit installation are intended to be as a guideline. Qualified The unit you have purchased has undergone strict quality technicians or installers must carry out the installation control procedures before leaving the factory. correctly and in accordance with applicable local, national and European standards and with the design conditions.
  • Page 40 Order No. 13867-20, 12.02; Supersedes order No. New Printed on Totally Chlorine Free Paper. Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands.

This manual is also suitable for:

40abz 00740abz 02040abz 02440alz 01140alz 01440abz 016 ... Show all

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