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

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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

Installation, Operation and Maintenance Instructions

40ABZ/ALZ

38XTZ 016 and 024

38XTZ 007 and 008

MASTER LINK I

Models 38XTZ 016 to 024

Summary of Contents for 38XTZ 007-024

Page 1: ...urovent Directory of Certified Products 38XTZ 007 024 40ABZ 007 008 016 020 and 024 40ALZ 011 and 014 Split system air cooled air conditioners Installation OperationandMaintenanceInstructions 40ABZ ALZ 38XTZ 016 and 024 38XTZ 007 and 008 M A S T E R L I N K I M o d e l s 3 8 X T Z 0 1 6 t o 0 2 4 ...

Page 2: ...rt lifting and handling 22 UNITINSTALLATION 22 Repositioning unit air discharge 26 ELECTRICALCONNECTIONS 28 MASTERLINKIELECTRONICCONTROL 29 REFRIGERANTLINECONNECTIONS 31 Connection between units 31 Refrigerant piping design 31 Pipe diameter calculation procedure 32 Refrigerant charge 34 OILRECHARGE 34 START UP 35 Initial checks 35 UNITCOMPONENTS 35 Description of unit protection devices 35 GENERAL...

Page 3: ...mp o C Entering air temp o C Leaving air temp o C Leaving air temp o C Pressure drop air kPa Pressure drop air kPa Discharge air pressure Pa Discharge air pressure Pa Fan motor input Ph 1 Volts Fan motor input Ph 1 Volts Ph 2 Volts Ph 2 Volts Ph 3 Volts Ph 3 Volts SAFETYDEVICE SETTING 38XTZ UNIT High pressure switch cut out kPa cut in kPa Low pressure switch cut out kPa cut in kPa Step controller ...

Page 4: ... 220 380 415 220 380 415 220 380 415 220 380 415 Voltage range V 198 253 342 440 198 253 342 440 198 253 342 440 198 253 342 440 198 253 342 440 198 253 342 440 198 253 342 440 Nominal power input kW 8 7 8 7 9 52 9 52 12 66 12 66 17 01 17 01 19 70 19 70 26 82 26 82 33 30 33 30 Nominal current drawn A 22 8 15 6 25 0 16 9 33 2 22 0 44 6 29 0 51 7 35 8 70 4 46 5 87 4 56 0 Starting current A 165 96 15...

Page 5: ...Suction line connection 1 1 8 Liquid line connection5 8 Left hand side view Front view Right hand side view Outdoor air inlet Outdoor air inlet Outdoor air discharge Refrigerantline connections Refrigerant air heatexchanger Compressor Plan view Refrigerantline connections Rain water drainage View A View from below When designing an installation always use up to date drawings available from your lo...

Page 6: ... connections Fan Outdoor air inlet Outdoor air inlet Outdoor air inlet Com pressor Control box Outdoor air discharge Refrigerant airheatexchanger Refrigerant airheatexchanger Plan view Note Rain water is drained through the hole under the fan in the base panel Profile view unit base 4 anchor and fixing holes ø 10 mm 4 lifting and transport holes ø 17 mm When designing an installation always use up...

Page 7: ...anel Front view Refrigerantline connections Fans Refrigerant airheatexchanger Compressor Control box 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 Note Rain water is drained through holes in the lower part of the base un...

Page 8: ...nection1 1 8 Outdoor air inlet Liquid line connection5 8 Power supply Control box Access panel Compressor access panel Front view View A Profile view unit base 4 lifting and transport holes ø 35 mm 4 anchor and fixing holes ø 14 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 Note...

Page 9: ...accessory option Air inlet Standard drain ø 23 See detail A Rear and left side view Note The air discharge can be changed from horizontal to vertical see page 26 Dimensions mm 40ABZ ALZ A B C D E F G H J K L M N O P Q 007 008 011 1348 662 807 1166 91 585 164 294 204 336 211 254 465 160 331 171 014 1588 788 910 1366 111 711 196 350 242 201 240 5 305 455 203 372 213 Note Sizes 011 and 014 are 40ALZ ...

Page 10: ...always use up to date drawings available from your local Carrier office Detail A Electricalconnections Refrigerantline connections Access panel Hot water coil connections accessory option Outlet Air inlet Standard drain ø 23 See detail A Rear and left side view Note The air discharge can be changed from horizontal to vertical see page 26 Dimensions mm 40ABZ A B C 016 020 2125 1815 507 5 024 2625 2...

Page 11: ...e air filter and the fans in case of a breakdown Clearance should be the same as the unit width 38XTZ 007 008 38XTZ 011 200 700 500 200 1000 500 500 500 38XTZ 014 38XTZ 016 020 024 1000 500 500 500 500 1000 500 600 600 40ABZ ALZ all sizes Air filter removal Air filter removal ...

Page 12: ...2 564 525 1000 1000 1000 YG 380 380 412 536 405 431 430 ZG 173 176 843 741 750 805 420 Measured from point 40ABZ ALZ 007 008 011 014 016 020 024 XG 943 950 955 1115 1620 1625 1870 YG 225 225 225 257 230 230 230 ZG 415 412 415 452 520 520 520 Models 40ALZ Measured from point 40ABZ ALZ all sizes 38XTZ 011 to 024 ...

Page 13: ...2 39 49 50 60 90 105 110 3 30 35 36 80 135 139 141 4 42 52 64 120 135 139 142 Point 40ABZ ALZ 007 008 011 014 016 020 024 1 21 32 37 54 43 46 53 2 48 33 38 55 47 51 53 3 20 37 42 63 100 104 110 4 46 38 43 64 100 104 109 Models 40ALZ 38XTZ 007 and 008 38XTZ 014 to 024 40ABZ ALZ Fans Control box Air filters ...

Page 14: ... 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open 6 4 5 turns open Air flow Motor pulley control Standarddrive Standard drive data Motor 1 104 kW Pulleys Motor Ø 100 Shaft Ø 24 Fan Ø 125 Shaft Ø 20 Standard motor pulley opening 4 turns open Nominal air flow Wet coil Dry coil Air flow 1416 l s Air flow 1416 l s Static pressure 105 Pa Static pressure 126 Pa Dry coil 15 41 r s Wet coil 15 41 ...

Page 15: ... Ø 100 Shaft Ø 24 Fan Ø 125 Shaft Ø 20 Standard motor pulley opening 3 5 turns open Nominal air flow Wet coil Dry coil Air flow 1583 l s Air flow 1583 l s Static pressure 105 Pa Static pressure 125 Pa Dry coil Motor pulley control Standarddrive Standard motor pulley drive 1 Closed 4 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open 6 4 5 turns open Air flow Dry coil 15 66 r s Wet coil 15 66...

Page 16: ...Closed 4 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open Air flow Motor pulley control Standarddrive Standard drive data Motor 1 472 kW Pulleys Motor Ø 125 Shaft Ø 24 Fan Ø 150 Shaft Ø 20 Standard motor pulley opening 4 turns open Nominal air flow Wet coil Dry coil Air flow 1777 l s Air flow 1777 l s Static pressure 115 Pa Static pressure 148 Pa Dry coil 17 58 r s Wet coil 17 58 r s Power...

Page 17: ...eys Motor Ø 100 Shaft Ø 28 Fan Ø 150 Shaft Ø 25 Standard motor pulley opening 2 turns open Nominal air flow Wet coil Dry coil Air flow 2894 l s Air flow 2694 l s Static pressure 115 Pa Static pressure 114 Pa Dry coil Motor pulley control Standarddrive Standard motor pulley drive 1 Closed 4 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open Air flow Dry coil 13 91 r s Wet coil 13 91 r s Power...

Page 18: ... 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open 6 4 5 turns open Air flow Motor pulley control Standarddrive Standard drive data Motor 2 944 kW Pulleys Motor Ø 125 Shaft Ø 28 Fan Ø 175 Shaft Ø 25 Standard motor pulley opening 1 5 turns open Nominal air flow Wet coil Dry coil Air flow 2722 l s Air flow 2722 l s Static pressure 160 Pa Static pressure 210 Pa Dry coil 16 5 r s Wet coil 16 5 ...

Page 19: ... Ø 150 Shaft Ø 28 Fan Ø 175 Shaft Ø 25 Standard motor pulley opening 3 5 turns open Nominal air flow Wet coil Dry coil Air flow 2972 l s Air flow 2972 l s Static pressure 185 Pa Static pressure 230 Pa Dry coil Motor pulley control Standarddrive Standard motor pulley drive 1 Closed 4 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open 6 4 5 turns open Air flow Dry coil 18 83 r s Wet coil 18 83...

Page 20: ... 3 turns open 2 1 turn open 5 4 turns open 3 2 turns open 6 4 5 turns open Air flow Motor pulley control Standarddrive Standard drive data Motor 4 048 kW Pulleys Motor Ø 150 Shaft Ø 28 Fan Ø 175 Shaft Ø 25 Standard motor pulley opening 1 5 turns open Nominal air flow Wet coil Dry coil Air flow 3250 l s Air flow 3250 l s Static pressure 230 Pa Static pressure 290 Pa Dry coil 19 5 r s Wet coil 19 5 ...

Page 21: ... make sure disconnects are open before electrical connections are made If this action is not taken personal injury may occur Before performing service or maintenance operations on the unit turn off the main power switch to the outdoor unit 38XTZ Electrical shock could cause personal injury During unit operation some of the refrigerant circuit elements could reach a temperature in excess of 90o C s...

Page 22: ...ack the units until they have reached their final location Never roll or tip the unit more than 5o Do not remove the plastic packing material from the 38XTZ units until they have reached their final location This protects the units from dust in the atmosphere The 40ABZ ALZ units must also be protected by plastic packing material until they reach their final location IMPORTANT Make sure that all un...

Page 23: ... 1000 500 Free Leave a minimum of 1 m clearance around the unit If several units are installed close to each other in the same area ensure the minimum clearance between them to allow free air flow 38XTZ 007 and 008 Fig 23 VISTA EN PLANTA ROOF FLOOR WALL FRONT VIEW PLAN VIEW Return air Supply air Return air Return air Supply air PLAN VIEW Return air Supply air PLAN VIEW ROOF WALL Supply air Return ...

Page 24: ...ed on the ground or on the lawn they should be mounted on a 100 mm high concrete base that is 100 mm larger than the base unit on all four sides 38XTZ 007 and 008 Fig 26 38XTZ 011 to 024 Fig 27 If this type of installation is used ensure that the units are not affected by flooding snow accumulation or leaves Ensure that the units are secured to prevent injuries to people handling or working on the...

Page 25: ...rectly evacuated Leave sufficient clearance for installation and maintenance see Fig 7 Service clearances If the units are not ducted ensure that the return air is sufficient for the required air flow See Table 1 Physical Data for unit weights and ensure that the installation surface can support the unit weight In accordance with applicable standards and laws the unit can be suspended from the cei...

Page 26: ...th a condensate drain pan with two drain pipes outside diameter 23 mm These tubes leave the factory separately wrapped so it is easy to check them The connection to the drain pipe can be vertical see Fig 33 or horizontal see Fig 34 Vertical drain Remove the prepunched knockout s in the unit base Horizontal drain Drainage through holes in the side of the unit base to the right or left hand side Sal...

Page 27: ...fer from the nominal values if required The units are factory set to supply nominal air flow and nominal static pressure as shown in Figs 10 to 16 When indoor pressure and air flow requirements differ from nominal ratings the motor pulley can be adjusted for different available static pressure values 1 Move the motor along its track in order to remove the belt ver Fig 37 2 Loosen the pulley setscr...

Page 28: ...d in the outer panel of the 38XTZ unit F1 Field installedfuses Route all cables through the conduits in the 38XTZ units to the terminals of the main disconnect switch see unit wiring diagram Voltage to the unit must be within 2 of the voltage and 10 of the current indicated on the nameplate Contact your local power company for correction of an incorrect line voltage Take special care when making t...

Page 29: ... fuses and the new unit power supply cable section if the electric heater power input plus the power input of the indoor fan is higher than the total power input given in Table 2 Electrical Data Thermostatconnection Thermostat unit connection must be via a loom manufactured in accordance with the wiring diagram accompanying the unit and the thermostat installation instruction Remember that for Mod...

Page 30: ...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 CAUTION Once the operations needing the TEST mode have been finalized the original configuration should be reset Never leave the test ...

Page 31: ...38XTZ outdoor units must be connected with the 40ABZ ALZ indoor units with refrigerant grade copper pipes for correct operation For each compressor in the 38XTZ outdoor unit a pipe for refrigerant gas and another pipe for liquid refrigerant must be installed For copper pipe refrigerant connection lines the following points must be observed Ensure that the line length is as short as possible The nu...

Page 32: ...ntal can include sections that are not all horizontal see Fig 48 Fig 48 Horizontal sections A Vertical descending sections B Vertical ascending sections C The calculation of the suction line for example includes sections A as well as sections B and sections C so that the total of the pressure loss is the total of the three sections Pipe diameter calculation procedure Once the refrigerant piping ou...

Page 33: ...record the one shown in the specified design conditions for the suction line For the intersection point of the model number line with the selected diameter and velocity run down vertically to find out the pressure loss in kPa or psi for each 10 m equivalent length length in line metres plus accessories For other lengths the pressure loss is directly proportional Liquidline The liquid line diameter...

Page 34: ...ent components in the mixture remaining in the unit is not the same The following basic guidelines must be observed a Whenever there is a leak the complete refrigerant R 407C charge that remains in the circuit must be removed b After the leak has been repaired evacuate the circuit c Take into consideration that All leaks must be repaired immediately by qualified personnel Refrigerant must never be...

Page 35: ...ng capacity tables for the unit operating conditions indoor and outdoor temperatures air flow and static pressures based on the speed etc UNIT COMPONENTS The 38XTZ and 40ABZ ALZ units incorporate the following components Three phase hermetic reciprocating compressors with internal thermal protection in the 38XTZ units Refrigerant to air heat exchangers evaporators and condensers made of copper tub...

Page 36: ... The supply voltage should be within the limits permitted by the compressor and the unit Ensure that no faulty contacts exist in the terminal blocks contactor boards etc Make sure that all the electrical connections are properly tightened and that all the electrical components contactors relays etc are firmly secured to the corresponding rails Pay special attention to the condition of the connecti...

Page 37: ...nt circuit using recovery equipment to avoid harming the atmosphere Electrically disconnect the compressor Unbraze or unscrew the suction and discharge lines taking care not to damage the rest of the components Remove the fastenings from the compressor Replace the compressor ensuring that it contains sufficient oil Check if the oil of the defective compressor contains any acidity from burnt out wi...

Page 38: ...tages cooling three stages heating B1 Programmable with remote sensor option for return air duct or room air x B2 Non programmable x From the Master Link I control for sizes 38XTZ 016 024 40ABZ 016 024 A Advanced service tool via PC software x B Interface converter for control of up to 15 x 15 units via PC software x C Basic tool x D Communication board x Accessories are not factory installed Opti...

Page 39: ...nsibility for any malfunctions resulting from misuse of the 38XTZ and 40ABZ ALZ units or from an incorrect installation and the damage caused by this Table 16 Troubleshooting chart Symptoms Cause Remedy Unit does not start No power supply Connect power supply Main switch open Close switch Low line voltage Check voltage and remedy the deficiency A protection has tripped Reset Contactor stuck open R...

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 ...

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