Trane CXAJ065 Installation, Operation And Maintenance Manual
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Trane CXAJ065 Installation, Operation And Maintenance Manual

Modular air-cooled water chiller (heat pump)
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Installation, Operation and Maintenance
Modular Air-cooled Water Chiller
(Heat Pump)
R410A
CXAJ/CGAJ065~130
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
April 2020
SAFETY WARNING
PKGP-SVX18B-EN
Confidential and proprietary Trane information
690152850003

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  • Page 1 Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment. April 2020 PKGP-SVX18B-EN Confidential and proprietary Trane information...

  • Page 2: Table Of Contents

    Please contact Trane’s local sales office if more operate and maintain the air conditioning unit in detailed information is required or customers’...

  • Page 3: Safety Precautions

    • Maintenance can only be carried out by professional maintenance personnel. For maintenance and repair, contact Trane sales office. Improper maintenance and repair may result in water leakage, electric shock or fire. • Do not use flammable materials (e.g. hairspray or pesticides) near this product. Do not clean the product with organic solvents such as paint thinner.
  • Page 4 The refrigerant used in the air conditioning unit and will not leak in normal conditions. In case of indoor refrigerant leakage, toxic gases will be produced after the refrigerant is in contact with the flame of heater, electric furnace and stove. Please extinguish the fire of the burning appliances, ventilate the room and contact Trane sales office. •...

  • Page 5: Unit Introduction

    Unit Introduction Nomenclature C X A J 0 6 5 5 B Model 1 2 3 4 5 6 7 8 9 1 H S F R A M A A Additional options 10 11 12 13 14 15 16 17 18 C X A J 0 6 5 5 B 1 H S F R A M A A Maintenance code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

  • Page 6: Performance Data

    Unit Introduction Performance Data Standard-efficiency Model (N type) Model CXAJ065 CXAJ130 CGAJ065 CGAJ130 Rated Cooling Capacity Cooling Rated Input Power 21.6 43.20 21.6 43.20 Rated Operating Current 42.0 81.0 42.0 81.0 Rated Heating Capacity Heating Rated Input Power 41.00 Rated Operating Current 41.5...
  • Page 7 Unit Introduction High-efficiency Model (H type) Model CXAJ065 CXAJ130 CGAJ065 CGAJ130 Rated Cooling Capacity Cooling Rated Input Power 21.0 40.9 21.0 40.9 Rated Operating Current 40.5 78.0 40.5 78.0 Rated Heating Capacity Heating Rated Input Power 21.5 40.00 Rated Operating Current 71.0...

  • Page 8: Dimensions

    Unit Introduction Dimensions CX(G)AJ065 1000 2155 1987 m3/h m3/h dB(A) DN125 1521 2038 2145 Outlet pipe is at near control box side, and inlet pipe is at far side of control box. C(G)XAJ130 1200 2380 2105 1521 2293 2400 1200 When facing to the electric cabinet.

  • Page 9: Application Range

    Unit Introduction Application Range Voltage range The maximum allowable fluctuation range of supply voltage is 10%. Temperature range Item Range of Application Cooling: 18~48℃ (High efficiency), Range of unit operating ambient 18~46℃ (Standard efficiency), temperature Heating: -15~25℃ Cooling: 5~15℃ Range of unit operating water temperature Heating: 30~50℃...

  • Page 10: Unit Installation

    4. Upon receipt of the unit, please carefully inspect whether the unit is damaged in transit. If any, please record it on the delivery note, notify the final carrier in writing within 72 hours and notify the local Trane sales office at the same time. Unit Hoisting Diagram...

  • Page 11: Selection Of Installation Location

    4. The foundation shall be strong enough to support the unit weight. If the requirements for installation space are not met, consult Trane's technical support or after-sales 5. A drain ditch shall be arranged around the department. foundation to prevent water accumulation around the unit.
  • Page 12 Unit Installation Diagrams for Unit Installation Foundation and Space Air outlet Air outlet Air outlet Air outlet Air inlet Air inlet 8-10mm Rubber pad Inlet air Inlet air Inlet air m3/h m3/h m3/h m3/h dB(A) dB(A) No.20 Maintenance space Maintenance space Maintenance space Channel steel 8-10mm...
  • Page 13 Unit Installation Diagram for Single-module Combination (Reversed Return Connection)(Recommended) Water outlet Water pump Water inlet Note: CXAJ/CGAJ065 single-module combination includes at most 8 sets in the reversed return connection, and CXAJ/CGAJ130 single-module combination includes at most 4 sets in the reversed return connection. Diagram for Multi-module Combination (Reversed Return Connection) (Recommended) Water pump Water inlet...

  • Page 14: Installation Of Water System

    Unit Installation Installation of Water System Requirements for Pipeline Prefabrication 1. The diameter of the inlet and outlet water pipes for the water system shall not be smaller than that of the unit joints (DN125); 2. The connections between the pipeline and the water pump and between the pipeline and the air conditioner must be flexible pipes, which shall not be forcibly connected to reduce the vibration transmission;...
  • Page 15 Unit Installation must be connected to the water inlet joint marked with “water inlet”; the outlet pipe must be connected to the water outlet joint marked with “water outlet” 6. Anti-vibration hose: the inlet and outlet pipes of the unit must be connected with anti-vibration hoses to avoid long-distance noise transfer.
  • Page 16 Unit Installation unit. When water chilling units with different cooling capacities are connected in parallel in a water system (not recommended), a hydraulic balance valve must be installed to ensure different water flow requirements of the water-side heat exchangers for the water chilling units with different cooling capacities. It is recommended that the water pipes for the parallel water chilling units be installed in the same way as the reversed return pipes.
  • Page 17 Unit Installation Constant pressure system automatic exhaust valve TOP of the pipe system TOP of the pipe system Pressure gauge water softening Filter Filter Shutoff valve plant Shutoff valve Shutoff valve Filter closed-type Shockproof hose tank Tree-way valve Tree-way valve pump Shockproof hose Shutoff valve...

  • Page 18: Water Treatment Requirements

    Unit Installation Installation of Main Outlet Water Tendency Allowable Item Unit Temperature Probe Value Corrosion Scaling PH（25℃） 7.5-8.0 ○ 1. The main outlet water temperature probe shall be placed at 2m or more away from the outlet to SO4-- ＜ 100 ○...

  • Page 19: Electrical Installation

    Electrical Installation Safety Precautions Electrical Wiring 1. Connect the power line to the main terminal (TB) of The following contents are related to safety, please the unit distribution box. strictly follow them! 2. Connect the PCB board of chiller and the modular or ...

  • Page 20: Electrical Specification

    Electrical Installation Electrical Specification Please refer to the following table for the minimum current, the fuse specification and the electrical specification of motor. Min. specification Max. current Max. current Max. current Max. current Rated Rated Max. Recommended Recommended Power of the power supply of No.1 of No.2 of No.3...

  • Page 21: Electrical Circuit Diagram

    Electrical Installation Electrical Circuit Diagram CX(G)AJ065 PKGP-SVX18B-EN...
  • Page 22 Electrical Installation CX(G)AJ130 N PKGP-SVX18B-EN...
  • Page 23 Electrical Installation CX(G)AJ130 H PKGP-SVX18B-EN...

  • Page 24: Pilot Run

    Pilot Run Inspection before Start-up V1,V2,V3 ＝ line-to-line voltage Vd ＝ maximum line-to-line voltage deviating from Va 1. Inspect the connection of all wires. All electrical Water Flow contacts shall be kept clean and locked. 2. Inspect whether the supply voltage of the unit is The cold water flow through the unit must be between normal.

  • Page 25: Unit Setting

    Pilot Run SW1: setting of modular control address Figure 2. Water Pressure Drop Characteristic Curve Charts SW1 switch CX(G)AJ065 0(modular control display A0) Internal pressure drop of unit 1 (modular control display A1) 12.00 2 (modular control display A2) 10.00 3 (modular control display A3) 8.00 4 (modular control display A4)
  • Page 26 Pilot Run Parameter Setting The unit protection parameters and operation parameters can be set by the line controller in the shutdown state. The set values for default parameters are shown in the table below. Code on unit controller/ Adjustment Default Parameter setting Max.

  • Page 27: Unit Operation

    Unit Operation Startup Step Long-time Shutdown Power on the unit, press MODE on the control panel If the system is not in use for a long time, the following to select cooling or heating, and then press OK on the steps shall be implemented before shutdown: control panel to start the unit.
  • Page 28 Unit Operation High Pressure Protection (HP1,HP2） Suction Antifreezing Protection The unit is protected by a high pressure switch. When the If the suction temperature is lower than the set value in the high pressure is higher than the set value, the compressor cooling mode, the compressor will be turned off, the water will be stopped and shall be manually reset.
  • Page 29 Unit Operation  Warning Preheat the unit 24 hours ahead of starting, otherwise the compressor will be damaged. After power on, 40 minutes preheat of compressor is compelled, during this period, the unit unable to start. If the ambient temperature is lower than 16 ℃ in winter, do not cut off the power supply.

  • Page 30: Module Control System

    Module Control System System Introduction The module control system is a highly intelligent modular control system. It can manage the loading and unloading control of multiple outdoor unit modules as well as the modular control of multiple outdoor unit modules through a modular controller, which can control at most 25 units.
  • Page 31 Module Control System Instructions: leaves medium air speed, and 3 leaves represent high air speed; S1 -- Keypad lock; the keypad is locked when the icon is S44~S48 -- Respectively representing cooling, displayed; dehumidification, heating, ventilation and automatic S2~S5 -- Compressors 1~4 starting icons; modes;...
  • Page 32 Module Control System controller to select the single unit operation mode. Installation of Modular controller It can also be used as a number key. There are four mounting holes at the back of the Fan key. After the modular controller selects ⑤...
  • Page 33 Module Control System Ø10 A gnd +V Detail Drawing for Wiring Terminal Dimensional Drawing for Modular Controller Wiring Diagram for Modular controller Modular controller TRANE ADC_OT03 VER1.00 Outdoor unit Outdoor unit Outdoor unit LINE LINE LINE N-COM N-COM N-COM NEGETIVE...

  • Page 34: Unit Address Dial Code Distribution

    Module Control System Instructions on Ground Terminal of 485 Control units, they should be numbered with 0,1,2,5,6 Line and 7 and divided into 3 groups; if there are 4 outdoor units, they should be numbered with It is forbidden to connect to the strong current 220V 0,1,2 and 3 and divided into 4 groups, that is, ground terminal for the metal plate of the electric they should be arranged according to the matrix...

  • Page 35: Functions Of Modular Controller

    Module Control System No.0 outdoor unit is a host, and other outdoor units are monitored through the modular controller. When any slaves. unit is off the network, it will immediately indicate the number of the unit that is off the network and All units share a water system.
  • Page 36 Module Control System Modular controller (Only Valid in Off State) Firstly select the host A0 (see the single unit operation Flow visualization mode); Then press (group) for 3 seconds, then the lock symbol will be displayed at the upper left corner and flicker;...
  • Page 37 Module Control System The salve fault can be handled as the case may be. Unit number Fault Display 1. Offline display: Setting of Outlet Temperature or Display Under normal circumstances, the quantity of Outlet Temperature for Modular Controller units on the network is displayed at the position of unit number, and “NO.”...
  • Page 38 Module Control System quickly. of Week, indicating that the program control set below acts on the working time. Press ② (Month) to adjust month, and press ⑤ (Day) to adjust day. 1 will be displayed at the position of air conditioning unit number, which indicates that the set time is time After adjustment, press Set Time to change the clock period 1;...
  • Page 39 Module Control System Press during setting to configure whether this timing mode is effective. If any, will be displayed. 01: The first time setting 02: The second time setting 03: The third time setting 04: The fourth time setting ON : Turn on when timer works OFF : Turn off when timer works : Workday : Rest day...

  • Page 40: Building Control System

    Mini-ICS system is a highly intelligent modular control units and other devices. It can control the whole air system specially developed by Trane for Unitary (small conditioning system remotely and centrally and provide and medium sized) units. It can manage the linkage...

  • Page 41: Troubleshooting

    Troubleshooting Fault Codes Code on Code on unit PCB Port Fault Description Modular Fault Handling controller controller No.1 analog sensor fault Shut down No.2 analog sensor fault Shut down No.3 analog sensor fault Shut down No.4 analog sensor fault Shut down No.5 analog sensor fault Shut down No.6 analog sensor fault...

  • Page 42: Common Faults And Handling Methods

    . When the outlet water or suction temperature returns to normal, the manual fault reset may be allowed. Note 2: for CXAJ065 units, there are no TH8, TH9, TH10, TH11, CN14, IND3 and IND9 inputs and relevant alarm codes. Note 3: this alarm code is available only when "module control" is selected.
  • Page 43 Troubleshooting Fault Possible Causes Detection and Eliminating Methods Inspect the voltage, which shall not be more than lower than Excessively low or high voltage 10% of the rated voltage. The phase unbalance shall not exceed 4.5%. Excessively low or high discharge Inspect whether the refrigerant system is fouled and blocked pressure and whether the expansion valve is normal...
  • Page 44 Troubleshooting Fault Possible Causes Detection and Eliminating Methods 1. The ambient temperature is too high Restore after the ambient temperature drops and out of temperature range 2. The condensate fan fails Repair or replace the condensate fan 3. The unit is shut down at high pressure, Inspect the high pressure and the pressure controller and the set value is wrong Inspect the fluorine filling quantity, and drain part of...

  • Page 45: Maintenance And Service

    Maintenance and Service  Warnings Routine maintenance and servicing shall be done by qualified professionals. In order to keep the normal 1. Before making any contact, please be sure to turn operation of the unit, extend the service life of the unit off the main power supply, otherwise it may cause and reduce the possibility of failure, please regularly casualties and damage to the unit.
  • Page 46 As some chemical treatment is required in the cleaning process of the heat exchanger, cleaning must be done by professionals. Charge of Refrigerant and Lubricant Each unit is filled with the appropriate refrigerant and the corresponding lubricating oil. If the cooling circulating system works normally and maintenance or other servicing is not required, do not fill or replace refrigerant and lubricant at will.
  • Page 47 Name and Content of Hazardous Substances In product Part Name Hazardous Substances Hexavalent Polybrominated Polybrominated Lead Mercury Cadmium chromium biphenyls diphenyl ethers (Pb) (Hg) (Cd) Cr(VI) (PBB) (PBDE) Motor × 〇 × 〇 〇 〇 Heat exchanger core 〇 〇 〇...

  • Page 48: Environmental Safety Warning

    Environmental Safety Warning  Warning: Please read the following instructions carefully before opening the refrigerant system of the unit for maintenance. Failure to do so may result in personal injury or death: 1. Refrigerant frostbite risk: please confirm that the pressure in the refrigerant system is completely the same as that outside, otherwise there may be a risk of refrigerant frostbite.
  • Page 50 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

This manual is also suitable for:

Cxaj130Cgaj065Cgaj130

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