Related Manuals for Trane CONQUEST CGAX Series
Summary of Contents for Trane CONQUEST CGAX Series
- Page 1 Installation Operation Maintenance CGAX/CXAX 015 - 060 Air-cooled scroll chillers and heat pumps 43-164 kW R410A/R454B October 2022 CG-SVX027E-GB Confidential and proprietary Trane information Original instructions...
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Page 2: Table Of Contents
Heat exchanger operating limits: FWD: *water temperature: max 100° C *absolute service pressure: min 1 bar/max 11 bars Accessories - Hot water coil: *water temperature: min. +2° C/max. 100° C *absolute service pressure: min 1 bar/max 11 bars CG-SVX027EGB UNT-PRC002-GB © 2022 Trane... -
Page 3: General Information
Specify any visible damage on the delivery note, by the user, of Trane CGAX chillers or CXAX heat and send a registered letter of protest to the last carrier Sound power levels pumps. - Page 4 General Information Technical Data Contract It is strongly recommended that you sign a maintenance contract with your local Service Agency. This contract provides regular maintenance of your installation by a specialist in our equipment. Power supply (V/Ph/Hz) 230/1/50 Capacities Regular maintenance ensures that any malfunction is Cooling capacity on water (1) (kW) 18,8...
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Page 5: Model Number Description
Model Number Description Digit 1-4 — Chiller Model Digit 18 — Freeze Protection (Factory-Installed Only) CGAX = Air-cooled Scroll chiller X = Without freeze protection CXAX = Air-cooled Scroll reversible chiller 2 = With freeze protection by heaters 3 = With freeze protection by pump activation Sound power levels Digit 5-7 —... - Page 6 Model Number Description Technical Data Digit 31 — Communication Options Digit 43 — Open digit for future options X = without Digit 44 — Literature language 1 = Modbus RTU Interface 4 = BACnet MS/TP Interface A = Bulgarian 5 = ModBus TCP interface B = Spanish Power supply (V/Ph/Hz)
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Page 7: Unit Description
The long) fixed to its discharge opening. chilled water inlet and outlet openings are covered for shipment. Power level in dB(A), per Hz frequency band Overall power Units feature is Trane’s exclusive Tracer™ Symbio800 Unit speed 1000 2000 4000... -
Page 8: Pre-Installation
23. Rotate fans before starting unit to inspect for the contractors installation instruction. This checklist is potential audible and visual signs of rubbing. intended to be a guide for the Trane technician just prior Start unit to unit ‘start-up’. Many of the recommended checks and... - Page 9 Pre-Installation Installation requirements and contractor responsibilities A list of the contractor responsibilities typically associated with the unit installation process is provided. Trane factory Supplied Trane factory Supplied Field supplied Sound power levels Type of requirement Trane factory Installed Field Installed...
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Page 10: Capacities Cooling Capacity On Water
Pre-Installation Technical Data The sensor is set to LFL (Lower Flammable Limit) about 0.5 % (500 ppm) at 23°C ambient temperature and RH 50%. Value of LFL is not adjustable. Power supply (V/Ph/Hz) 230/1/50 Capacities Cooling capacity on water (1) (kW) 18,8 30,1... -
Page 11: General Data
General Data Table 1 - CGAX 015-035 General Data CGAX CGAX CGAX CGAX CGAX CGAX CGAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Net Cooling Capacity R410A (1) (kW) 44.8 50.7 59.9 66.8 75.7 83.6 100.0 Total Power input in cooling R410A (1) (kW) 14.8 17.4... - Page 12 General Data Technical Data Table 1 - CGAX 015-035 General Data (continued) CGAX CGAX CGAX CGAX CGAX CGAX CGAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Condenser Fan Quantity Diameter (mm) Fan / motor Type Propeller axial fan Power supply (V/Ph/Hz) 230/1/50 Digit 12=1 and Digit 15=A...
- Page 13 General Data Table 2 - CGAX 036-060 General Data CGAX CGAX CGAX CGAX CGAX CGAX CGAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Net Cooling Capacity R410A (1) (kW) 100.6 113.6 117.9 129.3 132.5 148.9 164.9 Total Power input in cooling R410A (1) (kW) 33.2 38.1...
- Page 14 General Data Technical Data Table 2 - CGAX 036-060 General Data (continued) CGAX CGAX CGAX CGAX CGAX CGAX CGAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Condenser Fan Quantity Diameter (mm) Fan Type Propeller axial fan Power supply (V/Ph/Hz) 230/1/50 Digit 12=1 and Digit 15=A Capacities Fan / motor Type...
- Page 15 General Data Table 3 - CXAX 015-035 General Data CXAX CXAX CXAX CXAX CXAX CXAX CXAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN 97.5 Net cooling capacity R410a (1) (kW) 43.5 49.7 59.5 66.2 72.6 79.8 33.3 Total Power input in cooling R410a (1) (kW) 14.4 16.7...
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Page 16: Heating Capacity On Water
General Data Technical Data Table 3 - CXAX 015-035 General Data (continued) CXAX CXAX CXAX CXAX CXAX CXAX CXAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Condenser Fan Quantity Diameter (mm) Fan / motor Type Propeller axial fan Digit 12=1 and Digit 15=A Power supply (V/Ph/Hz) 230/1/50... - Page 17 General Data Table 4 - CXAX 036-060 General Data CXAX CXAX CXAX CXAX CXAX CXAX CXAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN (kW) 109.9 114.8 119.2 127.9 143.7 155.3 Net cooling capacity R410a (1) 95.9 (kW) 36.9 37.4 42.1 43.4 49.7 56.7...
- Page 18 General Data Technical Data Table 4 - CXAX 036-060 General Data (continued) CXAX CXAX CXAX CXAX CXAX CXAX CXAX SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN SE-SN Condenser Fan Quantity Diameter (mm) Fan / motor Type Propeller axial fan Power supply (V/Ph/Hz) 230/1/50 Digit 12=1 and Digit 15=A...
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Page 19: Installation - Mechanical
Evaporator piping for unit operating weights. Once in place, the unit must FWD 14 be level with 3 mm over its length and width. Trane is Evaporator water connections are grooved. Thoroughly not responsible for equipment problems resulting from FWD 20 flush all water piping to the CGAX or CXAX units an improperly designed or constructed foundation. - Page 20 If there is no strainer, reserve will be formulated by • Minimum time between 2 starts of a compressor the Trane technician at the start-up of the unit. The trainer used must be able to stop all particles with a Minimum water volume for a comfort application diameter greater than 1 mm.
- Page 21 Installation – Mechanical The minimum volume can be determined by using the Note: To estimate the biggest step, it is usually following formula: more reliable to make a selection at lower ambient Volume = Cooling capacity x Time x highest capacity temperature where efficiency is higher and compressors step (%) / Specific heat / Dead band steps bigger.
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Page 22: Current Amps
Installation – Mechanical Technical Data Freeze Protection Note: Water pump control and heater combination will protect the evaporator down to any ambient temperature If the unit is exposed to ambient temperatures below provided power is available to the pump and the 0°C, the chilled water system must be protected from controller. - Page 23 Installation – Mechanical Figure 4 - LP setting vs. Leaving Water Temperature setpoint Sound power levels Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening.
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Page 24: Hydraulic Data
Hydraulic Data Technical Data CGAX Unit without pump package (Pressure drop) 036 - 039 - 045 035 - 040 - 046 017 - 020 - 023 052 - 060 Power supply (V/Ph/Hz) 230/1/50 026 - 030 Capacities Cooling capacity on water (1) (kW) 18,8 30,1... - Page 25 Hydraulic Data CXAX Unit without pump package (Pressure drop) 035 - 046 Sound power levels 036 - 039 - 045 052 - 060 015 - 017 020 - 023 - 026 - 030 Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening.
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Page 26: Operating Map
Operating Map Technical Data CGAX CXAX Minimum Starting Operating Ambient Minimum Starting Operating Ambient - Std Ambient unit = 5°C - Std Ambient unit - Low Ambient unit = -18°C Cooling mode = 5°C Maximum Ambient = 46°C Heating mode = -15°C Power supply (V/Ph/Hz) 230/1/50... -
Page 27: Partial Heat Recovery
Partial Heat Recovery Heat recovery option is made with a plate heat exchanger in series with the air-cooled condenser. This heat exchanger benefits the discharge gas superheat as well as a part of the condensing gas heat to be transferred to hot water system. -
Page 28: 230/1/50 Or 400/3/50
Installation – Electrical Technical Data General Recommendations Installer-Supplied Components When reviewing this manual keep in mind: Customer wiring interface connections are shown in the electrical schematics and connection diagrams that are • All field-installed wiring must be in accordance with shipped with the unit. - Page 29 Installation – Electrical Figure 8 - Power Entrance Sound power levels Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening. Power level in dB(A), per Hz frequency band Overall power Unit...
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Page 30: Electrical Data
Electrical Data Technical Data For electrical data details, refer to General Data tables for each unit configuration and size. - Maximum Power input (kW) - Unit rated amps (Max compr Fan+Control) - Unit start up amps (Starting Amps of the largest compr+RLA of 2nd compr+RLA of all fans+ control) - Compressor Power factor Power supply (V/Ph/Hz) - Page 31 Electrical Data Control Power Supply External Auto/Stop Note: it is highly recommendable to read this section If the unit requires external auto/stop function, the within the wiring diagrams, where the different installer must provide leads from the remote contacts on components mentioned here are referenced.
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Page 32: Communication Interface Options
Communication Interface Options Technical Data Percent capacity output The controller provides an analog voltage output (0-10 VDC) to communicate active unit capacity [%]. This signal is available on option module Additional details are present in document CNT-SVU006. Power supply (V/Ph/Hz) 230/1/50 Capacities General... -
Page 33: Operating Principles
• Related interconnecting piping FWD 14 Refrigerant Cycle FWD 20 Refrigerant cycle is similar to other Trane Scroll compressor chillers. Conquest chillers use brazed plate Intake evaporator and air-cooled condenser. Compressors use suction gas cooled motors and an oil management... -
Page 34: Quantity
Operating Principles Technical Data This section describes the overall operating principle of the CGAX design (duplex cooling unit). Figure 9a - Example of Typical Refrigerant System Schematic of duplex cooling only unit Power supply (V/Ph/Hz) 230/1/50 Capacities Cooling capacity on water (1) (kW) 18,8 30,1... - Page 35 Operating Principles Figure 9b - Example of Typical Refrigerant System Schematic of simplex large trio cooling only unit Sound power levels Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening.
- Page 36 Operating Principles Technical Data This section describes the overall operating principle of the CXAX design (Duplex Heating pump unit). Note: Due to unit design there is no need to validate oil cycle while operating a reversible unit a long time in cooling mode Figure 10a - Example of Typical Refrigerant System Schematic of duplex heat pump unit Power supply...
- Page 37 Operating Principles Figure 10b - Example of Typical Refrigerant System Schematic simplex large trio heat pump unit Sound power levels Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening.
- Page 38 Operating Principles Technical Data Oil System The oil is efficiently separated inside the scroll compressor and will remain in the scroll compressor during all run cycles. Between 1-2% of the oil circulates around with the refrigerant. See on the compressor section for oil level information.
- Page 39 Operating Principles Figure 12 - Hydraulic Module water chart - unit with pump package Sound power levels Discharge Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m long) fixed to its discharge opening.
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Page 40: Variable Primary Flow
Variable Primary Flow Technical Data Impact on unit design : Add either differential pressure sensor or 2 water temperatures sensor. Pump selection remains unchanged. A variable speed drive to be added into the control box. 2 or 3 options of variable water flow : Power supply (V/Ph/Hz) 230/1/50... -
Page 41: Controls/Tracer Td7 Operator Interface
However to adequately service Conquest CGAX chillers / CXAX Heat Pump, FWD 10 Tracer™TU service tool is required (Non-Trane personnel, contact your local Trane office for software FWD 12 purchase information). Tracer TU adds a level of sophistication that improves service technician effectiveness and minimizes chiller downtime. -
Page 42: Sound Power Level
(around 50% of the nominal load as minimum). water treatment, if any, is required. Trane assumes no responsibility for equipment failures which result from • When ball valve is present on the refrigerant suction... - Page 43 • Check direction of the rotation of fans inside the electrical cabinet • Check the isolation of the motors using a 500V • Put the plexiglass supplied by Trane in front of the Measurement conditions: DC megohmeter which meets manufacturer’s power terminal Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m...
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Page 44: Width X Depth Height
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090 Before adding oil, consult Trane technician. Use only Height (mm) Trane products recommended. Shipped unit dimensions Width x Depth (mm) 933 x 644... -
Page 45: Pre-Start Check List (Sample)
Pre-Start Check List (Sample) UNIT Check clearance around condenser Check clearance required for maintenance access Sound power levels Check type and position of the rubbers pads Check unit is level Discharge CHILLED WATER CIRCUIT Check thermometers and manometers presence and position Measurement conditions: Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m Checkwaterflowratebalancingvalvepresenceandposition... -
Page 46: Shipped Unit Dimensions Width X Depth (Mm) Height (Mm)
Height (mm) • Do not put the general disconnect switches to Shipped unit dimensions off, except if the unit is drained. Trane does not • Check operation of machines/compare conditions of Width x Depth (mm) 933 x 644... -
Page 47: Maintenance
• Fill out inspection visit log sheet and review with the CAUTION! operator Intake • Refer to specific Trane documentation on oil, available • Check and clean the strainer from your nearest Trane office. Oils recommended Measurement conditions: by Trane have been exhaustively tested in Trane Monthly preventive visit Measurements taken at the horizontal air intake. - Page 48 Refrigerant System Open Time Pump maintenance Pumps motor bearings and mechanical seals have Model CGAX/CXAX chillers use POE oil (Trane a designed life expectancy of 20000-25000 hours of recommended oil OIL 048E or OIL 023E) and therefore operation. For critical applications it might be necessary refrigerant system open time must be kept to a to change the components as a preventive measure.
- Page 49 Refrigerant Piping Evaporator Maintenance The compressor suction and discharge connections The Trane Model CGAX liquid chiller uses a brazed plate and piping are copper clad steel for easy brazing. In heat paddle (BPHE) evaporator with factory installed most instances, piping may be reused. If piping is not...
- Page 50 If the leak is found to be within the tube area of the coil, a field repair kit (KIT16112) is available through your 2. Wear proper personal protection equipment such local Trane parts center. Because of the all-aluminum as a face shield, gloves and waterproof clothing. construction and aluminum’s high thermal expansion 3.
- Page 51 Maintenance Water pump maintenance WARNING! Before starting work on the pump, make sure that the power supply has been switched off and that it cannot be accidentally switched on. The internal Sound power levels pump parts are maintenance-free. It is important to keep the motor clean in order to ensure adequate cooling of the motor.
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Page 52: 2Kw),25 (4Kw) 40 (230V),3*16 (400V)
Maintenance Technical Data Refrigerant leak detector R454B calibration Calibration of this component must be done every year. It is important to ensure proper accuracy and operation of the detector. There are two different methods to fulfill the calibration requirements: Replacing the sensor head with a new factory pre-calibrated sensor Power supply (V/Ph/Hz) 230/1/50... -
Page 53: Troubleshooting Guide
Troubleshooting Guide This troubleshooting guide is not a comprehensive analysis of the Scroll compressor refrigeration system. The aim is to give operators simple instructions on basic unit processes so that they have the technical knowledge to identify and bring defective operations to the notice of qualified technicians. Problems Symptoms Problem causes Action Recommended... - Page 54 Troubleshooting Guide Technical Data Problems Symptoms Problem causes Action Recommended Loss of oil in compressor ContactTraneofficebefore Oil level too low in indicator Not enough oil ordering oil Power supply (V/Ph/Hz) 230/1/50 Gradual fall in oil level Filter drier clogged Replacefilterdrier...
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Page 55: Notes
Notes... - Page 56 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.