Carrier 50TZ/YZ 024 Installation, Operation And Maintenance Instructions
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Carrier 50TZ/YZ 024 Installation, Operation And Maintenance Instructions

Single-package cooling units and heat pumps
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50TZ/YZ
38FZ/BZ-40TZ/BZ
Single-Package Cooling Units
and Heat Pumps
Installation, operation and maintenance instructions
Carrier is participating in
the Eurovent Certification
Programme. Products are
as listed in the Eurovent
Directory of Certified
Products.
1

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Summary of Contents for Carrier 50TZ/YZ 024

  • Page 1 50TZ/YZ 38FZ/BZ-40TZ/BZ Single-Package Cooling Units and Heat Pumps Carrier is participating in the Eurovent Certification Programme. Products are as listed in the Eurovent Directory of Certified Products. Installation, operation and maintenance instructions...

  • Page 2: Table Of Contents

    CONTENTS Page Page REFRIGERANT CHARGE START-UP CHECK LIST Gas tightness testing and dehydration PHYSICAL DATA START-UP ELECTRICAL DATA REFRIGERANT SYSTEM DESCRIPTION DIMENSIONS COMPRESSOR REPLACEMENT Service area Coordinates for the centre of gravity DESCRIPTION OF UNIT SAFETY DEVICES Weight distribution Operating limits AIR DISCHARGE CONTROL SEQUENCE FAN PERFORMANCES...

  • 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: 50TZ/YZ ......................................38FZ/BZ ......................................40TZ/BZ ......................................ELECTRICAL DATA: Supply voltage Ph 1: . Volts Ph 2: Volts...
  • Page 4 Table 1 - Physical data 50TZ Nominal cooling capacity* 6.50 9.11 10.50 12.00 14.80 19.10 22.74 Operating weight 50TZ 40TZ/BZ 38FZ Compressor Hermetic reciprocating compressor Oil charge 1.18 1.50 1.65 1.65 1.65 1.65 2.84 Oil type Mobil 22 BC POE Maneurop 160PZ Refrigerant R-407C...
  • Page 5 Table 3 - Electrical data 50TZ (40TZ/BZ + 38BZ) Nominal voltage (± 10%)* Nominal power input** 2.90 2.90 3.99 3.99 4.68 4.68 5.07 5.07 7.37 7.37 10.08 10.08 10.75 10.75 Nominal current drawn** 13.33 6.30 12.50 8.74 15.58 11.50 16.98 12.23 25.49 18.54...

  • Page 6: Dimensions

    Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 7 Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 8 Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 9 Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 10 Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 11 Unit supports Control box access panel Cable entry Evaporator air inlet Main disconnect switch Evaporator air outlet Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 12 Control box access panel Unit supports Evaporator air inlet Cable entry Evaporator air outlet Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 13 Control box access panel Unit supports Suction line ø 5/8" Cable entry Liquid line ø 3/8" Main disconnect switch Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 14 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 15 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 16 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 17 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 18 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 19 Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Main disconnect switch Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 20 Condenser air outlet Suction line ø 5/8" Drain, 3/4" MPT Liquid line ø 3/8" Unit supports Condenser air inlet Cable entry Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 21 Compressor access panel Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 22 Condenser air outlet Suction line ø 5/8" Drain, 3/4" MPT Liquid line ø 3/8" Unit supports Condenser air inlet Cable entry Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 23 Condenser air outlet Suction line ø 5/8" Drain, 3/4" MPT Liquid line ø 3/8" Unit supports Condenser air inlet Cable entry Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 24 Condenser air outlet Suction line ø 5/8" Drain, 3/4" MPT Liquid line ø 3/8" Unit supports Condenser air inlet Cable entry Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 25 Condenser air outlet Suction line ø 5/8" Drain, 3/4" MPT Liquid line ø 3/8" Unit supports Condenser air inlet Cable entry Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.
  • Page 26 Compressor access panel Drain, 3/4" MPT Suction line ø 5/8" Unit supports Liquid line ø 3/8" Cable entry Condenser air inlet Note: Standard air supply and return When designing an installation, always use up-to-date drawings, available from your local Carrier office.

  • Page 27: Service Area

    Fig. 22 - Service area, mm 50TZ/YZ (all sizes) A: 800 mm B: 500 mm C: 600 mm *D: 500 mm NOTE: * For size 50TZ/YZ 060 D = 600 mm. Fig. 23 - Service area, mm 38FZ/BZ (all sizes) A: 800 mm B: 500 mm C: 500 mm...

  • Page 28: Coordinates For The Centre Of Gravity

    Fig. 25 - Centre of gravity (approx.) 50TZ/YZ (all sizes) 50TZ/YZ XG* mm YG* mm ZG* mm * Measured from point Fig. 26 - Centre of gravity (approx.) 38FZ/BZ (all sizes) 38FZ/BZ XG* mm YG* mm ZG* mm * Measured from point Fig.

  • Page 29: Weight Distribution

    Fig. 28 - Weight distribution, kg (approx.) 50TZ/YZ (all sizes) Support 50TZ points Control box Support 50YZ points Fig. 29 - Weight distribution, kg (approx.) 38FZ/BZ (all sizes) Support 38FZ points Support 38BZ points Control box Fig. 30 - Weight distribution, kg (approx.) 40TZ/BZ (all sizes) Support 40TZ/BZ...

  • Page 30: Air Discharge

    Air discharge Fig. 32 - Alternative air supply and discharge (except outdoor unit model 084) In these units the air discharge and supply (indoor and outdoor) is factory-set as shown in Fig. 31. Alternative positions are possible, as follows (Fig. 32): Fig.

  • Page 31: Fan Performances

    Fan performance curves 50TZ/YZ 024 indoor fan (40BZ 024) 50TZ/YZ 024 outdoor fan (38BZ/FZ 024) 50TZ/YZ024 ventilador interior (40BZ024) 50TZ/YZ024 ventilador exterior (38BZ/FZ024) Caudal de aire, l/s Air flow, l/s Air flow, l/s Caudal de aire, l/s 50TZ/YZ 036 indoor fan (40BZ 036)
  • Page 32 Fan performance curves 50TZ/YZ 060 indoor fan (40BZ 060) 50TZ/YZ 060 outdoor fan (38BZ/FZ 060) 50TZ/YZ060 ventilador exterior (38BZ/FZ060) 50TZ/YZ060 ventilador interior (40BZ060) 1500 1150 1450 1100 1400 1050 1350 1000 1300 1250 1200 1150 1100 1050 1000 1100 1150 1200 1250 1300...

  • Page 33: Safety Considerations

    This unit should not be installed in an explosive atmosphere. The unit can operate in normal radioelectric atmospheres in residential, commercial and light industrial installations. For IMPORTANT: The unit should be correctly levelled to avoid other applications, please consult Carrier. drainage problems. INSTALLATION Ductwork (indoor air discharge) Inspect shipment.

  • Page 34: Condensate And Rainwater Drainage

    Take special care when making the earth connection. Power supply: 24 V AC WARNING: Operation of the unit on improper line voltage constitutes abuse and is not covered by the Carrier warranty. Standard connections: Connection to 24 V IMPORTANT: To ensure the correct unit power supply (cable Protection device indication entry, conductor cross section, protection devices etc.), consult...

  • Page 35: Refrigerant Line Connections

    NOTE 1: If the thermostat wiring is incorrect, the control will Suction line: be blocked (red LED on) and all the outlets will be deactivated A siphon at the base of the vertical pipe run and inter- when unit power is supplied. mediate siphons every 8 m or oil separators are needed.

  • Page 36: Checks Before Start-Up

    Sizing Liquid line: The liquid line diameter can be selected using table 6. Fig. 37 - Suction line Table 6 - Liquid line Size Total equivalent length Up to 10 m From 10-30 m From 30-50 m 3/8" 3/8" 3/8" 3/8"...

  • Page 37: Start-Up

    Refrigerant system description The following basic guidelines must be observed: • Leaks must be repaired immediately by qualified personnel. The refrigerant circuit incorporates the following primary • Refrigerant must never be discharged to the atmosphere. elements: • Use a refrigerant reclaim unit. Refrigerant-air heat exchanger: made of high quality •...

  • Page 38: Operating Limits

    GENERAL MAINTENANCE ATTENTION: Before starting any servicing or maintenance Table 7 - Pressure switch settings operation on the unit, make sure that the power supply has been disconnected. A current discharge could cause personal Cut-out Cut-in Reset injury. High pressurestat *2844 kPa *1863 kPa Automatic...

  • Page 39: Servicing Recommendations

    Servicing recommendations FINAL RECOMMENDATIONS The unit you have purchased has undergone strict quality Before replacing any of the elements in the cooling control procedures before leaving the factory. circuit, ensure that the entire refrigerant charge is removed from both the high and low pressure sides of the unit. All components, including the control systems and electrical The control elements of the cooling system are highly equipment, etc., are certified by our Quality Control...

  • Page 40: Troubleshooting Chart

    Repair leak Water loss Defective drainage connections Check and tighten if necessary Manufacturer: Carrier, Guadalajara, Spain Order No. 15031-20, 11.2001. Supersedes order No.: New Printed on Totally Chlorine-Free Paper. Manufacturer reserves the right to change any product specifications without notice.

This manual is also suitable for:

50tz/yz 03650tz/yz 04250tz/yz 04850tz/yz 06050tz/yz 07250tz/yz 084 ... Show all

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