Trane S Series Installation, Operation And Maintenance Manual
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Trane S Series Installation, Operation And Maintenance Manual

Rotary liquid chillers water-cooled
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Installation, Operation, and Maintenance
Series R® Rotary Liquid Chillers
Water-Cooled Model RTWD
60 to 250 Tons
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.
September 2024
SAFETY WARNING
RLC-SVX09Q-EN
X3964145002

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  • Page 1 Installation, Operation, and Maintenance Series R® Rotary Liquid Chillers Water-Cooled Model RTWD 60 to 250 Tons X3964145002 SAFETY WARNING 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.

  • Page 2: Product Safety Information

    This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in For installation only in locations not accessible to the part without written permission. Trane reserves the right to general public.

  • Page 3: Table Of Contents

    Table of Contents Model Number Information ....5 Condenser Water Piping ....42 Condenser Piping Components .
  • Page 4 Monthly Maintenance and Checks ..64 Trane Service ......93 Annual Maintenance.

  • Page 5: Model Number Information

    Model Number Information Nameplates • Compressor electrical characteristics • Utilization range Unit nameplates are applied to the exterior of the control panel. A compressor nameplate is located on each • Recommended refrigerant compressor. When the unit arrives, compare all nameplate See Model Number Descriptions chapter for compressor data with ordering, submittal, and shipping information.

  • Page 6: Model Number Descriptions

    Model Number Descriptions Unit Model Number Digit 1, 2, 3, 4 — Chiller Model Digit 15 — Unit Application Digit 26 — Power Line Connection Type RTWD = Water-Cooled Chiller Series R® A = Std Condenser <=95°F/35°C Entering Water A = Terminal Block Temperature D = Circuit Breaker B = High Temperature Condenser >95°F/35°C...
  • Page 7 Model Number Descriptions Digit 36 — Power Meter Digit 45 — Factory Charge Digit 59 — Performance Test 0 = No Power Meter 5 = Full Factory Refrigerant Charge (R-513A) 0 = No Performance Test E = Energy Meter 6 = Nitrogen Charge (R-513A Field Supplied) C = 1–Point Test with Report 7 = Full Factory Refrigerant Charge (R-515B) D = 2–Point Test with Report...

  • Page 8: Compressor Model Number

    Model Number Descriptions Compressor Model Number Digit 1, 2, 3 — Model Compressor Digit 13, 14, 15 — Motor kW Rating CHH = Positive displacement, helical rotary (twin 043 = K1 60Hz screw) hermetic compressor 050 = K2 60Hz 057 = L1 60Hz Digit 4 —...

  • Page 9: General Information

    The RTWD series features Trane's exclusive Adaptive are placed inside the control panel and/or starter panel for Control logic with chiller controls. It monitors the control shipment.
  • Page 10 General Information Table 1. General data – RTWD, 60 Hz, standard efficiency (continued) Size Water Conn. Size 12.4 14.2 16.0 16.9 18.5 18.5 20.9 Water Storage 46.8 53.6 60.4 63.8 70.1 70.1 79.2 Minimum Flow Maximum Flow 18.9 22.7 26.5 28.4 31.0 31.0...
  • Page 11 General Information Table 2. General data – RTWD, 60 Hz, 80 to 130 tons, high efficiency (continued) Size Maximum Flow 11.0 14.1 15.3 17.2 18.8 20.0 Condenser Water Conn. Size Non-ASME Victaulic Water Conn. Size ASME Flange 90.0 90.0 90.0 90.0 90.0 90.0...
  • Page 12 General Information Table 3. General data – RTWD, 60 Hz, 150 to 250 tons, high efficiency (continued) Size Water Conn. Size 18.8 20.0 22.0 23.8 27.9 31.0 Water Storage 71.2 75.6 83.2 90.1 105.5 117.5 Minimum Flow 10.0 Maximum Flow 21.6 23.3 26.1...
  • Page 13 General Information Table 4. General data – RTWD, 60 Hz, premium efficiency Size Compressor L2/M1 M1/M1 M1/M2 M2/M2 Size Ckt1/Ckt2 (L2/M3) (M3/M3) (M3/M4) (M4/M4) Evaporator 2 Pass Arrangement Water Conn. Size 27.8 27.8 29.3 31.3 Water Storage 105.1 105.1 110.9 118.3 Minimum Flow 11.0...
  • Page 14 General Information Table 4. General data – RTWD, 60 Hz, premium efficiency (continued) Size 9.5/11.4 11.4/11.4 11.4/11.4 11.4/11.4 Oil Charge_R-515B 9.0/10.8 10.8/10.8 10.8/10.8 10.8/10.8 Note: Data containing information on two circuits is shown as circuit 1/circuit 2. RLC-SVX09Q-EN...

  • Page 15: Pre-Installation

    • Notify the carrier's terminal of the damage immediately, Note: Unit Start-up must be completed by a qualified Trane by phone and by mail. Request an immediate, joint service technician. Table 5. Installation requirements...
  • Page 16 Pre-Installation Table 5. Installation requirements (continued) Type of Requirement Trane Supplied Field Supplied Field Installed Trane Installed Field Installed Electrical • Circuit breakers • Circuit breakers • Unit mounted starter • Electrical connections to unit mounted starter (optional) • Electrical connections to remote mounted starter (optional) •...

  • Page 17: Unit Dimensions And Weights

    Unit Dimensions and Weights Unit Dimensions Figure 1. RTWD 80 to 140 tons, 60 Hz 2 pass evap (2 pass evap) ( 2 pass evap ) 3 pass evap (3 pass evap) ( 3 pass evap ) ( 3 pass evap ) RLC-SVX09Q-EN...
  • Page 18 Unit Dimensions and Weights Table 6. RTWD, 80 to 140 tons, 60 Hz – in (mm) Standard Efficiency RTWD - High Efficiency 80,90T 100,110T 120,130,140T 80,90T 100,110,120,130T A (2 pass evap) 138.2 (3510) 138.2 (3510) 138.8 (3525) 126.4 (3210) 126.9 (3225) B (3 pass evap) 142.6 (3621) 142.6 (3621)
  • Page 19 Unit Dimensions and Weights Figure 2. RTWD, 150 to 250 tons, 60 Hz 2 pass evap (2 pass evap) ( 2 pass evap ) 3 pass evap (3 pass evap) ( 3 pass evap ) (3 pass evap) RLC-SVX09Q-EN...
  • Page 20 Unit Dimensions and Weights Table 7. RTWD, 150 to 250 tons, 60 Hz – in (mm) RTWD High Efficiency Prem Efficiency 220, 250T 150-200T 150-200T A (2 pass evap) 132.3 (3360) 136.1 (3456) 147.9 (3755) B (3 pass evap) 132.8 (3371) 136.1 (3456) 150.9 (3831) 75.6 (1920)
  • Page 21 Unit Dimensions and Weights Figure 3. RTWD unit footprint Table 8. RTWD unit footprint High Efficiency High Efficiency Premium Efficiency 150- Standard Efficiency 80 - 130T (60Hz) 150 - 250T (60Hz), 200T (60Hz) Dimension inch inch inch inch 3.68 93.5 3.68 93.5 3.68...

  • Page 22: Service Clearance

    Unit Dimensions and Weights Service Clearance Figure 4. RTWD service clearances Notes: • See table below for clearance values. • All unit configurations require 36 inch (914 mm) clearance above the unit. • All clearance values are taken from the edge of the unit.
  • Page 23 Unit Dimensions and Weights Table 10. Weights – RTWD, 60 Hz (continued) Standard Efficiency High Efficiency Premium Efficiency rating Operating Shipping Operating Shipping Operating Shipping Model 6530 2962 6248 2834 6510 2953 6230 2826 6535 2964 6244 2832 6543 2968 6248 2834 6971...

  • Page 24: Installation - Mechanical

    “Unit Dimensions,” p. 17 for unit operating weights. Once in place, the unit must be level within 1/4 inch (6.4 mm) over its length and width. The Trane Company is not Rigging responsible for equipment problems resulting from an improperly designed or constructed foundation.
  • Page 25 Installation - Mechanical Figure 5. RTWD – anti tipping Figure 6. RTWD – anti tipping RLC-SVX09Q-EN...
  • Page 26 Installation - Mechanical Figure 7. RTWD – anti tipping WARNING Heavy Objects! Failure to follow instructions below or properly lift unit could result in unit dropping and possibly crushing operator/technician which could result in death or serious injury, and equipment or property- only damage.

  • Page 27: Lifting Procedure

    Installation - Mechanical Lifting Procedure WARNING Improper Unit Lift! Attach chains or cables to lifting beam, as shown in Figure 9, p. 27. Lifting beam crossbars MUST be positioned so Failure to properly lift unit in a LEVEL position could lifting cables do not contact the sides of the unit.
  • Page 28 Installation - Mechanical Isolation Pads During final positioning of the unit, place the isolation pads under the evaporator and condenser tube sheet supports Note: The elastomeric pads shipped (as standard) are as shown in Figure 10, p. 28. Level the unit as described in adequate for most installations.
  • Page 29 Installation - Mechanical Table 12. Isolator part numbers and dimensions Isolator Type Maximum Dimension - in (mm) Color [Ext] Deflection Size Effic. (in) Max Load-lbs (kg) 80, 90, 100, 110, RDP-4 120, 130, 140 0.50 5.00 0.56 0.38 2.75 6.25 4.63 Red [62] 0.50...
  • Page 30 Installation - Mechanical Figure 13. Mounting point locations and weights – RTWD Premium efficiency (all), RTWD High efficiency: 150 – 250T (60 Hz) Without Panel With Panel Important: Isolators need to be placed under G1, G2, G3 and G4. Table 13. Corner weights, RTWD, 60 Hz Unit Standard Efficiency 1566...

  • Page 31: Evaporator Water Piping

    Trane is not fractures on the cast iron waterboxes that can lead to responsible for equipment-only-damage caused by premature failure of the waterbox.

  • Page 32: Reversing Waterboxes

    Provide shutoff valves in lines to the gauges to isolate them required. Trane assumes no responsibility for from the system when they are not in use. Replace rubber equipment failures which result from untreated or vibration eliminators to in-line elastomeric vibration improperly treated water, or saline or brackish water.

  • Page 33: Evaporator Piping Components

    Important: If using an acidic commercial flushing solution, be installed in the water supplies to protect construct a temporary bypass around the unit components from water borne debris. Trane is not to prevent damage to internal components of responsible for equipment-only-damage caused by the evaporator and condenser.

  • Page 34: Flow Proving Devices

    Neither salt nor brackish water is recommended for use in shown on the pressure drop curves. Follow the Trane air-cooled Series R® chillers. Use of either will lead manufacturer’s recommendations for selection and to a shortened life to an indeterminable degree. Trane installation procedures.
  • Page 35 Installation - Mechanical Figure 18. Evaporator pressure drop curves - 2 pass, 60 Hz - RTWD Waterside Pressure Drop - 60 Hz Units - 2 Pass Evaporator 45.0 RTWD080 Std RTWD090 Std 40.0 RTWD100 Std RTWD110 Std 35.0 RTWD120 Std 30.0 RTWD130 Std RTWD140 Std...
  • Page 36 Installation - Mechanical Figure 19. Evaporator pressure drop curves - 2 pass, 60 Hz - RTWD Waterside Pressure Drop - 60 Hz Units - 2 Pass Evaporator 50.0 RTWD150 High 45.0 RTWD160 High RTWD180 High 40.0 RTWD200 High 35.0 RTWD220 High RTWD250 High 30.0 RTWD150 Prem...
  • Page 37 Installation - Mechanical Figure 20. Evaporator pressure drop curves - 3 pass, 60 Hz - RTWD Waterside Pressure Drop - 60 Hz Units - 3 Pass Evaporator 70.0 RTWD080 Std RTWD090 Std 60.0 RTWD100 Std RTWD110 Std RTWD120 Std 50.0 RTWD130 Std RTWD140 Std 40.0...
  • Page 38 Installation - Mechanical Figure 21. Evaporator pressure drop curves - 3 pass, 60 Hz - RTWD Waterside Pressure Drop - 60 Hz Units - 3 Pass Evaporator 70.0 RTWD080 Std RTWD090 Std 60.0 RTWD100 Std RTWD110 Std RTWD120 Std 50.0 RTWD130 Std RTWD140 Std 40.0...
  • Page 39 Installation - Mechanical Figure 22. Condenser pressure drop curves - RTWD 60 Hz Waterside Pressure Drop - 60 Hz Units - Condenser 40.0 RTWD080 Std RTWD090 Std 35.0 RTWD100 Std RTWD110 Std 30.0 RTWD120 Std RTWD130 Std RTWD140 Std 25.0 RTWD80 High RTWD90 High 20.0...

  • Page 40: Low Evaporator Refrigerant Cutout, Percent Glycol Requirements

    Installation - Mechanical Figure 23. Condenser pressure drop curves - RTWD 60 Hz Waterside Pressure Drop - 60 Hz Units - Condenser 45.0 RTWD150 High 40.0 RTWD160 High RTWD180 High 35.0 RTWD200 High RTWD220 High 30.0 RTWD250 High 25.0 RTWD150 Prem RTWD160 Prem 20.0 RTWD180 Prem...
  • Page 41 Installation - Mechanical Table 14. Low evaporator refrigerant temperature cutout (LRTC) and low water temperature cutout (LWTC) – ethylene or propylene glycol (continued) Ethylene Glycol Propylene Glycol Inhibitor Solution Minimum Minimum Inhibitor Solution Minimum Minimum Percentage Freeze Point Recommended Recommended Percentage Freeze Point Recommended...

  • Page 42: Condenser Water Piping

    Installation - Mechanical Table 15. Low evaporator refrigerant temperature cutout (LRTC) and low water temperature cutout (LWTC) – methanol and propylene glycol (continued) Methanol Calcium Chloride Solution Minimum Minimum Inhibitor Solution Minimum Minimum Freeze Point Recommended Recommended Percentage Freeze Point Recommended Recommended (°F)

  • Page 43: Water Regulating Valve

    Chillers Model RTWD Engineering specialist to determine what water treatment, if any, is Bulletin (RLC-PRB021*-EN) for further details regarding required. Trane assumes no responsibility for condenser water temperature control. equipment failures which result from untreated or The following guidelines must be met for adequate oil improperly treated water, or saline or brackish water.

  • Page 44: High Pressure Side Relief Valve Venting (Rtwd-Condenser)

    Installation - Mechanical NOTICE Pipe each relief valve on the unit into a common vent line. Provide access valve located at the low point of the vent Equipment Damage! piping, to enable draining of any condensate that may To prevent shell damage, install pressure relief valves accumulate in the piping.

  • Page 45: Summary Of Relief Valves

    Installation - Mechanical Figure 24. Evaporator relief valves Evaporator Relief Valves Summary of Relief Valves Note: Vent line length must not exceed code recommendations. If the line length will exceed code Table 16. Relief valve descriptions recommendations for the outlet size of the valve, install a vent line of the next larger pipe size.

  • Page 46: Installation - Electrical

    Installation - Electrical General Recommendations Installer-Supplied Components As you review this manual, keep in mind that: Customer wiring interface connections are shown in the electrical schematics and connection diagrams that are • All field-installed wiring must conform to National shipped with the unit. The installer must provide the Electric Code (NEC) guidelines, and any applicable following components if not ordered with the unit: state and local codes.

  • Page 47: Control Power Supply

    Installation - Electrical Chilled Water Pump Control To provide proper phasing of 3-phase input, make connections as shown in field wiring diagrams and as If factory installed flow switch option is not selected, RTWD stated on the WARNING label on the starter panel. For ®...

  • Page 48: Alarm And Status Relay Outputs (Programmable Relays)

    Installation - Electrical Alarm and Status Relay Outputs In general, when there is either a non-latching or latching diagnostic, the EWP relay is turned off as though there was (Programmable Relays) a zero time delay. Exceptions (see Table 60) whereby the A programmable relay concept provides for enunciation of relay continues to be energized occur with: certain events or states of the chiller, selected from a list of...

  • Page 49: Relay Assignments

    Installation - Electrical Table 18. Alarm and status relay output configuration (continued) Description Alarm This output is true whenever there is at least a non-latching alarm(s) that targets chiller or circuits or compressors on a Alarm – General Non Latching Unit circuit and there are latching or/and non-latching diagnostics that targets chiller, circuits or compressors so that the unit is unable to produce any capacity.
  • Page 50 Installation - Electrical ® Inputs LLID board. Refer to the field diagrams that are Tracer TU must also be used to enable or disable Ice ® shipped with the unit. Machine Control. This setting does not prevent the Tracer from commanding Ice Building mode. Silver or gold-plated contacts are recommended.
  • Page 51 Installation - Electrical Table 20. Default minimum and maximum values automation system or third party building automation system. The arbitration of the various sources of demand Default Temperature limit is described in the flow charts at the end of this External Water section.
  • Page 52 Installation - Electrical Figure 26. Wiring examples for EDLS and ECWS/ • CWS is the active chilled water set point before any ® EHWS reset has occurred, e.g. normally Front Panel, Tracer or ECWS • RESET RATIO is a user adjustable gain •...

  • Page 53: Building Automation Systems

    Installation - Electrical The outdoor air sensor probe must be located and installed Ensemble, Tracer SC+ or when connected to a third party at a location to sense the ambient air temperature, while building automation system that supports BACnet. avoiding direct sunlight. ®...

  • Page 54: Operating Principles

    Operating Principles This section contains an overview of the operation of WARNING ® Series R chillers equipped with microcomputer-based Refrigerant under High Pressure! control systems. It describes the overall operating Failure to follow instructions below could result in an principles. explosion which could result in death or serious Note: For proper diagnosis and repair, contact a qualified injury or equipment damage.

  • Page 55: Refrigeration (Cooling) Cycle

    The refrigeration cycle of the Series R chiller is every chiller. Microprocessor-based unit control modules conceptually similar to that of other Trane chiller products. provide for accurate chilled water control as well as It makes use of a shell-and-tube evaporator design with monitoring, protection and adaptive limit functions.

  • Page 56: Compressor

    Operating Principles Figure 29. Pressure enthalpy curve Liquid Enthalpy Evaporation of refrigerant occurs in the evaporator. A (State Pt. 5). The flash gas from the expansion process is metered amount of refrigerant liquid enters a distribution internally routed to compressor suction, while the liquid system in the evaporator shell and is then distributed to the refrigerant is distributed over the tube bundle in the tubes in the evaporator tube bundle.

  • Page 57: Controls

    Controls Symbio™ 800 Tracer TU serves as a common interface to all Trane chillers, and will customize itself based on the properties of The Symbio 800 controller is a factory-installed, application the chiller with which it is communicating. Thus, the service specific and programmable controller designed to control technician learns only one service interface.

  • Page 58: Pre-Start

    Pre-Start Upon completion of installation, complete the Installation Important: Start-up must be performed by Trane or an Completion Check Sheet and Request for Trane Service agent of Trane specifically authorized to checklist in “Log and Check Sheets,” p. perform start-up and warranty of Trane products.

  • Page 59: Start-Up And Shutdown

    Start-Up and Shutdown Important: Initial unit commissioning start-up must be unit starts normally. performed by Trane or an agent of Trane To restart the unit after a temporary shutdown, enable the specifically authorized to perform start-up and chilled-water pump and press the AUTO key. The unit will warranty of Trane products.

  • Page 60: Sequence Of Operation

    Start-Up and Shutdown 6. Check the adjustment and operation of each safety and In the following diagrams: operating control. • The time line indicates the upper level operating mode, ® 7. Close all disconnect switches. as it would be viewed in the Tracer AdaptiView™.

  • Page 61: Power Up To Starting

    Start-Up and Shutdown Second Trane Logo - Loading User Interface Template... Display Ready Black Screen …. Grey Screen Loading Data First Trane Logo *Display will show either Auto or Stop button as “ active ” White Screen (depressed) once it is ready...

  • Page 62: Stopped To Starting

    Start-Up and Shutdown Last Mode Call for Cooling (adj Was Auto Differential to Start is met) Start Power Waiting Waiting Waiting Waiting Command to Waiting Waiting Auto to Start to Start to Start to Start Lead Cprsr * to Start to Start Power Applied...

  • Page 63: Normal Shutdown To Stopped

    Start-Up and Shutdown Normal Shutdown to Stopped the top attempt to show the final mode if stop is selected via various inputs. The following diagram shows the Transition from Running through a Normal (friendly) Shutdown. The dashed lines on Local Stop Chiller Level Diagnostic –...

  • Page 64: Maintenance

    • Contact Trane service organization to leak check the chiller, to inspect safety controls, and inspect electrical Weekly Maintenance and Checks components for deficiencies.

  • Page 65: Refrigerant And Oil Charge Management

    Use the services of a qualified water treatment specialist to determine what water treatment, if any, is Table 23. RTWD operation conditions at full load required. Trane assumes no responsibility for equipment failures which result from untreated or Description Condition improperly treated water, or saline or brackish water.
  • Page 66 Maintenance Mechanical Cleaning Procedure Table 25. RTWD condenser waterbox weights Weight - kg (lbs) Lifting Connection Size Effic Waterbox 80, 90, 100, 110, 120, 130, 140 Supply, Return 29 (64) M12x1.75 Supply, Return 80, 90, 100, 110, 120, 130 HIGH 150, 160, 180, 200, 220, 250 Supply HIGH...

  • Page 67: Risk Of Injury

    Maintenance 4. Install hoist ring on to the lifting connection on the Figure 32. Waterbox removal – remove bolts waterbox. Torque to 28 ft-lbs (37 Nm). 5. Disconnect water pipes, if connected. long bolt long bolt 6. Remove waterbox bolts. 7.

  • Page 68: Cleaning The Evaporator

    RTWD Safety Hoist Ring RNG01886 M12x1.75 Obtain the required parts from local Trane Parts Center. Chemical Cleaning Procedure Scale deposits are best removed by chemical means. 7. Lift the waterbox away from the shell. Consult a qualified water treatment specialist (i.e., one that...

  • Page 69: Lubrication System

    Figure 35. Determining oil level in the sump removing oil from the compressor. Oil Separator Trane Polyolester Oil is the approved oil for RTWD units. Service Valve Polyolester oil is extremely hygroscopic meaning it readily attracts moisture. The oil can not be stored in plastic containers due to the hygroscopic properties.
  • Page 70 Maintenance Note: If oil levels are not between 3 inch and 5 inch, 6. After the level is determined, close the service valves contact Trane service. and remove the hose/sight glass assembly. RLC-SVX09Q-EN...

  • Page 71: Diagnostics

    Diagnostics General Diagnostics Information there is a shutdown and special action defined in the table, then the Tracer TU Diagnostics Page display will indicate Diagnostic Name and Source: Name of Diagnostic and the shutdown type only. its source. Note that this is the exact text used in the User Persistence: Defines whether or not the diagnostic and its Interface and/or Service Tool displays.
  • Page 72 Diagnostics Table 31. Starter diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] a) No current was sensed on one or two of the current transformer inputs while running or starting (See Non- latching Power Loss Diagnostic for all three phases lost while running).
  • Page 73 Diagnostics Table 31. Starter diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Detected compressor currents greater than 10% RLA on any or all phases when the compressor was commanded off. Detection time is 5 second minimum and 10 seconds Starter Contactor maximum.
  • Page 74 Diagnostics Table 31. Starter diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] As part of the normal start sequence to apply power to the Starting compressor, the Shorting Contactor (1K3) and then the Starter Fault [Adaptive Main Contactor (1K1) were energized.

  • Page 75: Main Processor Diagnostics

    Diagnostics Main Processor Diagnostics Table 32. Main processor diagnostics Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] The BAS was setup as "installed" at the MP and the Lontalk LCIC lost communications with the BAS for 15 contiguous minutes after it had been established.
  • Page 76 Immediate Latch Local Feedback Input stop shall be 0.1 to 1.0 seconds. Energy meter failed to return the expected value. Energy Meter Warning (Note: Only applies to Trane Enercept Flex Modbus Energy Write Value Chiller Latch Remote Meter) Failure RLC-SVX09Q-EN...
  • Page 77 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Evap Rfgt Liquid Level Sensor – Circuit Normal Latch Bad Sensor or LLID Remote Cktx The Evaporator approach temperature for the respective circuit (ELWT –...
  • Page 78 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] a. Function Not "Enabled": no diagnostics. External Chilled b. "Enabled ": Out-Of-Range Low or Hi or bad LLID, set Water/ Hot Water Warning Chiller NonLatch...
  • Page 79 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Either the leaving or the entering water temperature exceeded the high evap water temp limit (TU service menu settable –default 105°F (65.55°C), range 80°F (26.67°C)- 150°F(65.55°C) for 15 continuous seconds.
  • Page 80 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Loss of Oil for In running modes, Oil Loss Level Sensor detects lack of oil Starter Contactor Compressor in the oil sump feeding the compressor (distinguishing a Circuit Immediate Latch...
  • Page 81 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] a. The Evaporator Pressure (as measured by the cprsr(s) suction pressure transducers) for the respective circuit, dropped below 10 Psia just prior to the circuit’s 1st compressor start (after EXV preposition).
  • Page 82 Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] The respective circuit’s LERTC Integral was seen to be > 0 while the chiller is in the Stop mode, or in Auto mode with no compressors running for at least one minute.
  • Page 83 The events that led up to this failure, if known, should be recorded and transmitted to Trane Controls Engineering. The main processor has successfully come out of a reset MP: Reset Has and built its application.
  • Page 84 Service The events that led up to this failure, if known, should be recorded and transmitted to Trane Controls Engineering. Starter Panel High Limit Thermostat (170°F) trip was detected. Compressor 1A is shutdown and inoperative until Starter Panel the thermostat resets.

  • Page 85: Communication Diagnostics

    Diagnostics Table 32. Main processor diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] The current value for the cumulative starts and or hours for Starts/Hours the given compressor have been modified by a write Cprsr Warning NonLatch...
  • Page 86 Diagnostics Table 33. Communication diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Comm Loss: Cond Head Continual loss of communication between the MP and the Chiller Immediate Latch Remote Press Cntrl Functional ID has occurred for a 30-second period. Output Comm Loss: Continual loss of communication between the MP and the...
  • Page 87 Diagnostics Table 33. Communication diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Comm Loss: Continual loss of communication between the MP and the Energy Meter Warning Chiller Latch Remote Functional ID has occurred for a 30-second period. Pulse Input Comm Loss: Continual loss of communication between the MP and the...
  • Page 88 Diagnostics Table 33. Communication diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Continual loss of communication between the MP and the Comm Loss: Functional ID has occurred for a 30-second period. Chiller External Special Action shall discontinue use of the External Demand limit setpoint Chiller...
  • Page 89 Diagnostics Table 33. Communication diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Comm Loss: Motor Winding Continual loss of communication between the MP and the Cprsr Normal Latch Remote Temperature 2, Functional ID has occurred for a 30-second period. CprsrXY Comm Loss: Motor Winding...
  • Page 90 Diagnostics Table 33. Communication diagnostics (continued) Active Modes Diagnostic Reset Affects Target Severity [Inactive Persistence Criteria Name Level Modes] Comm Loss: Continual loss of communication between the MP and the Slide Valve Load Cprsr Normal Latch Remote Functional ID has occurred for a 30-second period. - xy Comm Loss: Continual loss of communication between the MP and the...

  • Page 91: Wiring

    Wiring The table below provides a list of field wiring diagrams, unit. To determine the specific electrical characteristics of a electrical schematics, and connection diagrams for RTWD particular chiller, refer to the nameplates mounted on the units. Wiring diagrams can be accessed via e-Library. A units.

  • Page 92: Log And Check Sheets

    The following forms and check sheets are included for use • Model RTWD Installation Completion Check Sheet and with Trane start-up of RTWD chillers. Forms and check Request for Trane Service (RLC-ADF007*-EN) sheets are used, as appropriate, for installation completion •...

  • Page 93: Completion Check Sheet And Request For Trane Service

    ☐ Systems filled ☐ Pumps run, air bled from system Important: Start-up must be performed by Trane or an agent of Trane specifically authorized to ☐ Strainer installed in entering water piping perform start-up and warranty of Trane®...
  • Page 94 __________________, we will therefore require amount of time before Trane Service the presence of Trane service on this site, for the purpose arrives to do start-up. of start-up and commissioning, by __________________ ☐ If unit has nitrogen charge (model number digit 45 = (date).

  • Page 95: Chiller Log Sheet

    Log and Check Sheets Chiller Log Sheet Chiller Log Sheet Measurement 15 minutes 30 minutes 1 hour Main Chiller Mode Evaporator Entering/Leaving Water Temperature Condenser Entering/Leaving Water Temperature Active Chiller Water Setpoint (°F) Average Line Current (%RLA) Active Demand Limit Setpoint (%RLA) Software Type Software Version Reports...
  • Page 96 Log and Check Sheets Chiller Log Sheet Measurement 15 minutes 30 minutes 1 hour Amps L1 L2 L3 (amps) Volts AB BC CA COMPRESSOR 2 Starts Run Time System Refrigerant Differential Pressure (psid) Oil Pressure (psia) Refrigerant Discharge Temperature (°F) Discharge Superheat (°F) % RLA L1 L2 L3 (%) Amps L1 L2 L3 (amps)
  • Page 97 Log and Check Sheets Chiller Settings Category Setting DISPLAY SETTINGS Date Format Date Time Format Time of Day Keypad/Display Lockout Display Units Pressure Units Language Selection Date: Technician: Owner: RLC-SVX09Q-EN...
  • Page 98 Notes RLC-SVX09Q-EN...
  • Page 99 Notes RLC-SVX09Q-EN...
  • Page 100 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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