Trane IntelliPak Installation, Operation And Maintenance Manual
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Trane IntelliPak Installation, Operation And Maintenance Manual

Intellipak series commercial rooftop air conditioners with cv, vav, or szvav controls
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See also: Programming Manual , User Manual
Installation, Operation,
and Maintenance
IntelliPak™
Commercial Rooftop Air Conditioners
with CV, VAV, or SZVAV Controls
"A" and later Design Sequence
SAHL
SEHL, SFHL, SLHL, SSHL, SXHL
SXHK, SEHK, SFHK, SLHK, SSHK
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.
October 2013
*20, *25, *30, *40, *50, *55, *60, *70, *75
*20, *25, *30, *40, *50, *55, *60, *70, *75,
*24, *29, *36, *48, *59, *73, *80, *89
*90, *11, *12, *13
SAFETY WARNING
RT-SVX36K-EN

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Summary of Contents for Trane IntelliPak

  • Page 1 Installation, Operation, and Maintenance IntelliPak™ Commercial Rooftop Air Conditioners with CV, VAV, or SZVAV Controls “A” and later Design Sequence SAHL *20, *25, *30, *40, *50, *55, *60, *70, *75 SEHL, SFHL, SLHL, SSHL, SXHL *20, *25, *30, *40, *50, *55, *60, *70, *75,...

  • Page 2: Warnings, Cautions And Notices

    Dimensions & Weight Information,” p. 26 for typical unit and curb weights. Failure to ensure proper Trane believes that responsible refrigerant practices are structural roof support could cause the roof to collapse, important to the environment, our customers, and the air which could result in death or serious injury and conditioning industry.

  • Page 3: Unit Nameplate

    Warnings, Cautions and Notices Unit Nameplate • Added general information on “VZH Variable Speed Compressors, ” p. 18 “High Compressor Pressure One Mylar unit nameplate is located on the outside upper Differential Protection, ” p. 17 left corner of the control panel door. It includes the unit •...

  • Page 4: Storage

    Warnings, Cautions and Notices • If the job site inspection of the unit reveals damage or On all IntelliPak I units, aTrane factory REQUIRED startup material shortages, file a claim with the carrier (mandatory with Evaporative Condensing or optionally immediately. Specify the type and extent of the selected ON OTHER UNITS) provides "maximized unit...

  • Page 5: Table Of Contents

    Unit Replacement ..... . .77 Trane Roof Curb and Ductwork ..36 RT-SVX36K-EN...
  • Page 6 Table of Contents Precautionary Measures ... . . 77 Charging by Subcooling ... . .148 First Aid Measures ....77 Low Ambient Dampers .

  • Page 7: Model Number Descriptions

    Model Number Descriptions S A H L * 5 0 4 0 A 0 W 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 0 = No Heat P = 100% Return 10 HP w/Statitrac DIGIT 1 - UNIT TYPE...
  • Page 8 = BACnet Communication Interface number digit A, B, C, etc.These (BCI) Module sensors can be ordered to ship DIGIT 15 - SUPPLY AIR FAN RPM = Trane Communication Interface with the unit. (TCI) Module F = 1500 RPM 400 RPM...
  • Page 9 Model Number Descriptions S X H K * 1 1 4 0 A H 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 DIGIT 1 - UNIT TYPE DIGIT 11 - EXHAUST OPTION DIGIT 14 - SUPPLY AIR FAN HP...
  • Page 10 W = IRU - w/ Access Doors = IRU w/SST - w/ Std Panels 34 V = Inter-Processor Communication Bridge 35 Y = Trane Communication Interface (TCI) Module M = BACnet Communication Interface (BCI) Module = Trane LonTalk Communication Interface (LCI) Module...

  • Page 11: General Information

    VOM = Ventilation override module • IRU = Intellipak replacement unit • VSC = Variable speed compressor • LCI-I = LonTalk Communication Interface for IntelliPak • VSD = eFlex™variable speed drive compressor • LH = Left-hand • VSM = Variable speed module •...

  • Page 12: Compressor Modules

    General Information Table 1. RTM Resistance Input vs. Setpoint Temperatures RTM cooling or heating RTM cooling setpoint input setpoint input used used as the source as the source for for SUPPLY AIR temp Resistance (Ohms) Max. a ZONE temp setpoint (°F) setpoint cooling (°F) Tolerance 5% 1084...

  • Page 13: Ventilation Override Module

    (LCI/BCI - Optional 1U54/1U104 - used on signal (VDC) and corresponding compressor speed (RPM) units with Trane ICS™ or 3rd party Building at 0%, 50% and 100% Intellipak command speeds (Spd %): Automation Systems) Table 3. VSM output signal (VDC)

  • Page 14: Ventilation Control Module

    Module control the quantity of outside air entering the unit to a minimum airflow setpoint. (GBAS - Optional 1U51 used with non-Trane building control systems; 0-5 or 0-10 VDC) An optional temperature sensor can be connected to the VCM which enables it to control a field installed outside air The Generic Building Automation System (GBAS) module preheater.

  • Page 15: Multipurpose Module

    General Information Phase Monitor (1U3) Standard on 20-89 ton temperatures will be monitored during compressor operation and compressor circuits will be shut down if this Continuously monitors line voltage to protect against difference exceeds a Human Interface selectable setpoint phase, loss, imbalance and reversal. If a fault is found with value.
  • Page 16 General Information each refrigeration circuit. On 40 - 89Ton units only the The LP cutouts are designed to open if the suction compressor banks will switch, not the order the pressure approaches 25± 4 psig. If the LP cutout opens compressors within a bank, providing the first compressor after a compressor has started, all compressors operating in each circuit had been activated during the same request...
  • Page 17 General Information High Pressure Controls (HPC) Outdoor Air Humidity Sensor (3U63) High Pressure controls are located on the discharge lines This is an analog input device used on applications with near the scroll compressors.They are designed to open 100% economizer. It monitors the outdoor humidity levels when the discharge pressure approaches 650 ±...

  • Page 18: Freeze Avoidance

    During a request for compressor operation, if the 3S17) Compressor Module (SCM) detects a problem outside of These are binary input devices used with a Trane normal parameters, it turns any operating compressor(s) Communication Interface Module (TCI).They provide in that circuit “Off” , locks out all compressor operation for “high limit”...

  • Page 19: Constant Volume (Cv) Units

    (SZVAV) Only the deadband, the algorithm will request a reduction in active capacity. The IntelliPak controls platform supports Single ZoneVAV Default Economizer Operation as an optional unit control type in order to meet ASHRAE 90.1.The basic control is a hybrid VAV/CV configured unit...

  • Page 20: Variable Air Volume (Vav) Units

    General Information Unoccupied Mode Variable Air Volume (VAV) Units In Unoccupied mode the unit will utilize setback setpoints, Occupied Heating - Supply Air Temperature 0% Minimum OA Damper position, and Auto Fan Mode operation as on normal CV units.The Supply Fan speed, When a DischargeTemperature Control unit is equipped and cooling and modulating types of heat, will be with “Modulating Heat”...

  • Page 21: Supply Duct Static Pressure Control

    General Information Supply Air Tempering 100%. On units with a VSPD Compressor, during Unoccupied Cooling operation the VSPD Compressor will On DischargeTemperature Control units equipped with be controlled at its 100% capacity as applied to the unit. “Modulating Heat” , if the supply air temperature falls 10°F TheVSPD Compressor will be staged On/Off as a standard below the supply air temperature setpoint, the hydronic or staged compressor.

  • Page 22: Space Temperature Averaging

    General Information Figure 8. Unit component layout and "ship with" locations Optional Heat or final filters Space Temperature Averaging Wiring termination will depend on the type of remote panel or control configuration for the system. Refer to the Space temperature averaging for Constant Volume wiring diagrams that shipped with the unit.
  • Page 23 General Information Space Temperature Averaging with Multiple Figure 9. Space temperature averaging Sensors Unit Control Modules (UCM) Unit control modules are microelectronic circuit boards designed to perform specific unit functions.These modules through Proportional/Integral control algorithms provide the best possible comfort level for the customer. They are mounted in the control panel and are factory wired to their respective internal components.They receive and interpret information from other unit...
  • Page 24 TheTRV200 inverter keypad has been the compressor will run continuously and no longer cycle. programmed purposely to provide stop, reset, and Then as the building load increases, the Intellipak diagnostics functions only.This is to prevent controller will increase compressor speed to meet the bypass of compressor protection functions setpoint.
  • Page 25 General Information Figure 12. eFlex variable speed compressor, IntelliPak controller sequences RT-SVX36K-EN...

  • Page 26: Installation

    “Starting the Unit” . [ ] Visually inspect the internal components for shipping Trane will not assume any responsibility for equipment damage as soon as possible after delivery and before it is damage resulting from condensate accumulation on the stored.
  • Page 27 Installation Figure 13. Minimum operation and service clearances for single and multiple unit installation Single Unit Installation Legend Return Air Opening Outside Air Intake Supply Air Opening Condenser Section Optional 2’10-3/4” Exhaust/Return Access Door (180° swing) Hinged 2’10-3/4” Filter Access Door (180° swing) Hinged 2’10-3/4”...
  • Page 28 Installation Figure 14. SAHL cooling-only units (20 - 75) Use Table Table 7 Table 8 1” CONDENSATE DRAIN CONNECTION (Both Sides) Table 6. SAHL cooling-only units (20 - 75) Dimensions for SAHL Unit Size 20 & 25 Ton 21’-9 3/4” 6’-9”...
  • Page 29 Installation Table 7. SAHL cooling-only units (20 - 75) Dimensions for SAHL w/exhaust w/return exhaust return w/exhaust w/return Unit Size 20 - 30 Ton 14'-0 1/4" 2'-2 1/2" 11 3/4" 5'-7" 3'-4 3/8" 2'-9 15/16” 5 13/16" 28 5/8” 6'-6 15/16" 40 - 50 Ton 16'-1 13/16”...
  • Page 30 Installation Table 9. SEHL, SFHL, SLHL, SSHL, SXHL units (20 - 89 ton) Air-Cooled Unit Dimensions Unit Size 20 & 25 Ton 24'-1 3/8" 6’-9” 7'-6 1/2" 7’-3 1/4” 3'-9 5/16" 13'-3" 1" 1'-3 1/2" 16'-7" 16'-6" 8 1/8" 6 1/4" 9"...
  • Page 31 Installation Figure 16. Evaporative condenser water connection locations Drain Connection Water Supply Connection 1 1/4” PVC, Female 3/4” PVC, Female 19 13/16" 8 3/16" Drain Connection Inlet Water Connection Tons (EC) 24, 29 & 36 Ton 5’ 6'-7 5/16" 12" 12 15/16"...
  • Page 32 Installation Dimensions Unit Size (AC/EC) 20, 25 & 30 Ton 8 7/32" 6 31/32" 15 21/32" 13 21/32" 9 17/32" 8 1/2" 18 1/16" 19 9/16" 40-75 / 24-89 Ton 8 15/16” 7 15/16” 17 7/8" 15 7/8" 9 29/32" 10 3/16”...
  • Page 33 Installation Figure 17. S_HK cooling and heating units (90-130 ton) (See CPVC Dimensional Table) RT-SVX36K-EN...
  • Page 34 Installation Figure 18. Center of gravity data Table 12. Center of gravity data Units without 100% Units with Units with Supply & Exhaust/Return Fan Exhaust/Return Fan Exhaust/Return VFD Unit Model Unit Size Dim. A Dim. B Dim. A Dim B. Dim.
  • Page 35 460V XL, high heat. 2. Weights shown represent approximate operating weights and have a ±5% accuracy. To calculate weight for a specific unit configuration, utilize TOPSS™ or contact the local Trane sales representative. ACTUAL WEIGHTS ARE STAMPED ON THE UNIT NAMEPLATE. RT-SVX36K-EN...

  • Page 36: Trane Roof Curb And Ductwork

    59 units and 680 lbs for 73, 80 and 89 units for installed sump base water weight for evaporative condenser total operating weight. 2. Weights shown represent approximate operating weights and have a ±5% accuracy. To calculate weight for a specific unit configuration, utilize TOPSS or contact the local Trane sales representative. ACTUAL WEIGHTS ARE STAMPED ON THE UNIT NAMEPLATE. Table 15.

  • Page 37: Pitch Pocket Location

    For “built-up” curbs supplied by others, gaskets • Trane roof curbs are recommended. If using a non- must be installed around the curb perimeter flange Trane roof curb with right-angle return airflow and the supply and return air opening flanges.

  • Page 38: Unit Rigging & Placement

    Figure 20. Solid flow baffle wall installation for non- the curb rail while lowering the unit onto the curb. Trane roof curbs Make sure that the gasket on the curb is not damaged while positioning the unit. (The pedestal simply Return Fan supports the unit’s condenser section)
  • Page 39 Installation Figure 21. Unit rigging Figure 22. Typical unit base and roof curb cross section RT-SVX36K-EN...

  • Page 40: General Unit Requirements

    Installation General Unit Requirements Note: All field-installed wiring must comply with NEC and applicable local codes. Field Installed Control Wiring WARNING Live Electrical Components! • Complete the field wiring connections for the constant volume controls as applicable. Refer to “Field Installed During installation, testing, servicing and Control Wiring”...

  • Page 41: Requirements For Steam Heat (Ssh_)

    Installation Requirements for Steam Heat (SSH_) Requirements for Modulating Reheat Dehumidification (S_HL) • Install an automatic air vent at the top of the return water coil header. • Install (5U108) humidity sensor in space or return duct • Route properly sized steam piping through the base of •...

  • Page 42: Units With Gas Furnace

    Installation Units with Gas Furnace 4. Verify that the fan assembly is being supported by the isolators. Units equipped with a gas furnace have a 3/4” CPVC drain Spring Isolators: Figure Figure Figure 27 connection stubbed out through the vertical support in the Figure 29 for spring isolator locations.
  • Page 43 Installation Figure 25. DDP shipping channel removal, isolator spring adjustment Figure 26. Removing supply and exhaust fan assembly shipping hardware (20-89 Ton) RT-SVX36K-EN...
  • Page 44 Installation Figure 27. Removing supply and exhaust fan assembly shipping hardware (90-130 Ton) Figure 28. Removing return fan assembly shipping hardware (20-89 Ton) RT-SVX36K-EN...

  • Page 45: O/A Sensor & Tubing Installation

    Installation O/A Sensor & Tubing Installation Important: Remove fan shipping brackets before startup. Failure to remove brackets could An Outside Air Pressure Sensor is shipped with all units result in fan damage. designed to operate on variable air volume applications, Evaporative condensers are shipped with fan shipping units equipped with a return fan, or constant volume units brackets to reduce damage caused by vibration during...
  • Page 46 Installation Make-up water inlet connection is a ¾” PVC slip connector. water. Operation can be extended to 10 deg by providing Care must be taken to ensure the water line upstream of an optional sump heater. the water solenoid valve will not freeze. Insulating the line Drain Valve and utilizing heat tape is recommended if ambient temperatures below 32°...
  • Page 47 Installation Figure 29. Pressure sensing Outside Air Sensing Kit Duct, Space and Return Plenum Pressure Transducer Tubing Schematic Return Plenum Transducer Sensing Tube to Return Plenum Duct and Space Static Pressure Return Fan Plenum Pressure Control Component Layout Control Component Layout Supply Air Duct Space Static Static Transducer...

  • Page 48: Gas Heat Units (Sfh_)

    Installation Gas Heat Units (SFH_) Failure to use a pressure regulating device will result in incorrect gas pressure.This can cause erratic operation All internal gas piping is factory-installed and pressure due to gas pressure fluctuations as well as damage the gas leak-tested before shipment.
  • Page 49 Installation Table 18. Sizing natural gas pipe mains and branches Gas Input (Cubic Feet/Hour)* Gas Supply Pipe Run 1-¼" 1-½" 2" 2-½" 3" 4" (ft) Pipe Pipe Pipe Pipe Pipe Pipe 1050 1600 3050 4800 8500 17500 1100 2100 3300 5900 12000 1650...
  • Page 50 Installation Table 20. Gas heating capacity altitude correction factors Altitude (Ft.) Sea Level - 2000 2001 - 2500 2501 - 3500 3501 - 4500 4501 - 5500 5501 - 6500 6501 - 7500 Capacity 1.00 Multiplier Note: Correction factors are per AGA Std. 221.30 - 1964, Part VI, 6.12. Local codes may supersede. Notes: 1.

  • Page 51: Flue Assembly Installation

    Installation 5. Butt both flue tube sections together and center the Figure 32. Unit gas trains (natural gas) 1000 MBH pipe clamp over joint. 6. Using the pre-punch holes in the flue assembly, extension, and the vertical support, install the appropriate number of mounting brackets.

  • Page 52: Steam Heat Units (Ssh_)

    Installation 4. Install a “Gate” type valve in the supply branch line as Following the guidelines listed below will enhance both close as possible to the hot water main and upstream the installation and operation of the “wet heat” system. of any other device or takeoff.
  • Page 53 Installation to overcome the trap losses and assure complete condensate removal. 40 through 130 Ton units Utilizes two steam coils stacked together.These two coils must be piped in a parallel arrangement.The steps listed below should be used in addition to the previous steps. Figure 38 illustrates the recommended piping configuration for the steam coils.
  • Page 54 Installation Figure 37. Steam coil piping (20 - 36 Ton) Figure 38. Steam coil piping (40 - 130 Ton) RT-SVX36K-EN...

  • Page 55: Disconnect Switch External Handle

    Installation Disconnect Switch External Handle WARNING (Factory Mounted Option) Live Electrical Components! Units ordered with the factory mounted disconnect switch During installation, testing, servicing and comes equipped with an externally mounted handle.This troubleshooting of this product, it may be necessary to allows the operator to disconnect power from the unit work with live electrical components.

  • Page 56: Main Unit Power Wiring

    Installation Electrical Entrance diagram), for dimensional data. 1S14, inside the unit control panel. Refer to the customer connection diagram that shipped with the On 20-130 ton units operating on 460/575 volts, only one unit for specific termination points. power entry is required, as illustrated in Figure 3.
  • Page 57 Installation Figure 40. Typical field power wiring (20 - 89 Ton) RT-SVX36K-EN...
  • Page 58 Installation Figure 41. Typical field power wiring (90 - 130 Ton) Figure 42. Customer connection wire range RT-SVX36K-EN...
  • Page 59 Installation Table 22. Compressor electrical service sizing data (20-130 ton) 200V 230V 460V 575V No. of Tonnage Compressors 20 Std 41.4 267.0 40.3 267.0 19.1 142.0 15.8 103.0 20 Hi Eff 41.4 267.0 40.3 267.0 19.1 142.0 15.8 103.0 41.4 267.0 40.3 267.0...
  • Page 60 Installation Table 23. Electrical service sizing data — motors — 20-130 tons Nominal Voltage Nominal Tons Air-Cooled Condenser Fan Motor 12.3 12.3 12.3 12.3 16.4 16.4 50, 55 24.6 24.6 10.8 24.6 24.6 10.8 24.6 24.6 10.8 24.6 24.6 10.8 14.4 11.2 18.0...
  • Page 61 Installation Table 24. Electrical service sizing data —electric heat module (electric heat units only) — 20-130 tons Voltage Module kW 83.3 72.2 36.1 28.9 138.8 120.3 60.1 48.1 194.3 168.4 84.2 67.4 249.8 216.5 108.3 86.6 305.3 264.6 132.3 105.9 156.4 125.1 180.4...

  • Page 62: Power Wire Sizing And Protection Device Equations

    Installation 90 - 130Ton Units, Add 4 Amps Table 27. Electrical service sizing data — crankcase • Calculation #1 - SAH_, SXH_, SLH_, SSH_, and SFH_ heaters (heating mode on 460/575 volt only) — Units. 20-130 tons MCA = (1.25 x LOAD 1) + LOAD 2 + LOAD 4 Nominal Tons MOP = (2.25 x LOAD 1) + LOAD 2 + LOAD 4 (Air-cooled/...

  • Page 63: Field Installed Control Wiring

    Installation Field Installed Control Wiring Select a fuse rating equal to the RDE value. If the RDE value does not equal a standard fuse size as listed in NEC 240 - 6, select the next higher standard fuse rating. WARNING Note: If the selected RDE is greater than the selected MOP Hazardous Voltage! value, then select the RDE value to equal the MOP...

  • Page 64: Controls Using 24 Vac

    Installation Controls Using 24 VAC communication Interface (LCI) option which utilizes a serial communication link; Before installing any connecting wiring, refer to Figure 14, • Must be 18 AWG shielded twisted pair cable (Belden p. 28 Figure 15, p. 29 for the electrical access locations 8760 or equivalent).
  • Page 65 Installation One remote panel is designed to monitor and control up to 43 and 96 degrees Fahrenheit.Two liquid crystal displays four units providing each of the units are equipped with an (LCD) display zone temperature, temperature setpoints, IPCB module. Use the installation instructions that week day, time, and operational mode symbols.
  • Page 66 Installation – Occupied/Unoccupied output - De-energized – O/A dampers - Open (Occupied) – Heat - All stages OFF , Modulating Heat output at 0 – VO Relay - Energized – Pre-heater State - Off (if equipped) – Occupied/Unoccupied output - Energized (Unoccupied) •...
  • Page 67 Installation PURGE Table 31. Temperature vs. resistance coefficient – Supply Fan - On Temp. Resistance Temp. Resistance x 1000 – Exhaust/Return Fan - On (if equipped) (°F) (in. 1000 Ohms) (°F) Ohms – Exhaust/Return Dampers - Open (if equipped) 346.1 11.60 –...
  • Page 68 Resistance coefficient. Generic Building Automation System (1U51) The Generic Building Automation System (GBAS) module allows a non-Trane building control system to communicate with the rooftop unit and accepts external setpoints in form of analog inputs for cooling, heating, demand limiting, and supply air pressure parameters.
  • Page 69 Installation This page intentionally left blank RT-SVX36K-EN...
  • Page 70 Installation Figure 43. Typical ventilation override binary output wiring diagram for 20-89 ton CV control options. Refer to wiring notes on Figure RT-SVX36K-EN...
  • Page 71 Installation Figure 43. (continued from previous page) Typical ventilation override binary output wiring diagram for 20-89 ton CV control options. Refer to wiring notes on Figure RT-SVX36K-EN...
  • Page 72 Installation Figure 44. Field connection diagram notes for 20 - 89 ton CV or VAV applications RT-SVX36K-EN...
  • Page 73 Installation Figure 45. Typical field wiring diagram for 20-89 ton VAV control option RT-SVX36K-EN...
  • Page 74 Installation Figure 46. Typical field wiring diagram for 20-89 ton VAV control option RT-SVX36K-EN...
  • Page 75 Installation Figure 47. Typical GBAS analog input wiring diagram for 20-89 ton CV & VAV control options RT-SVX36K-EN...
  • Page 76 Installation Table 32. GBAS Voltage vs. Setpoint Setpoint GBAS 0-5 VDC GBAS 0-10 VDC Valid Range Occ Zone Cooling Setpoint(CV only) 0.5 to 4.5 VDC 0.5 to 9.5 VDC 50 to 90°F Unocc Zone Cooling Setpoint 0.5 to 4.5 VDC 0.5 to 9.5 VDC 50 to 90°F Occ Zone Heating Setpoint(CV only)

  • Page 77: Unit Replacement

    Failure to follow all electrical handling concerns with R-410A, please contact your safety precautions when exposed to live electrical local Trane representative. components could result in death or serious injury. Failure to use R-410A rated service equipment or...

  • Page 78: Requirements For Gas Heat

    Unit Replacement Requirements for Gas Heat Figure 48. Duct Static Pressure Control Layout 1. Remove and isolate gas supply from the unit gas train 2. Ensure gas supply line piping joints are properly sealed 3. Remove drip leg Installed in the gas piping near the unit 4.

  • Page 79: Supply And Return Duct Connections

    Figure 13, p. 35 lists the typical unit operating weights. Tables 35-37 list weights for previous development WARNING sequences of IntelliPak. (Table numbers will be different in Heavy Objects! IOM) Do not use cables (chains or slings) except as shown.
  • Page 80 Unit Replacement Installation of S*HL or K units A cross section of the juncture between the unit and the roof curb is shown in Figure 22, p. 39 See unit IOM and appropriate programming guide for installation operation and programming requirements. Table 34.
  • Page 81 Unit Replacement Table 36. Approximate Operating Weights, 90-100 Ton, “E” Style Cabinet (Units Built Prior to 1991) Rooftop w/o Rooftop with Unit Size/Tons Exhaust Fans Exhaust Fans Curb SEHE C90 13,150 14,500 SFHE C90 13,820 15,150 SXHE C90 13,000 14,340 SEHE D11 13,700 15,050 600...
  • Page 82 Unit Replacement Table 37. Typical Curb Dimensions for 20 to 75 Ton SAHF Units with Air-Cooled Condensers (R-22) (See Figure SAHF-C20, SAHF-C60, Curb Dimensions C25, C30 SAHF-C40 SAHF-C50, C55 C70, C75 16' 3-7/8" 19' 1-15/16" 19' 1-15/16" 19' 1-15/16" 2' 10-1/16" 7' 10-1/16"...
  • Page 83 Unit Replacement Figure 52. Full Perimeter Curb with Pedestal (20-75 Ton Units Built Prior to 1991) Table 39. 20-75 Ton Roof Curb Dimensions - Downflow (Units Built Prior to 1991) RT-SVX36K-EN...

  • Page 84: Installation Checklist

    Completed General Unit Requirements Check the unit for shipping damage and material shortage; file a freight claim and notify Trane office. Verify that the installation location of the unit will provide the required clearance for proper operation. Assemble and install the roof curb per the current edition of the curb installation guide.
  • Page 85 Setup drain hold or drain on power loss Setup Mechanical Float Setup drain time Setup water quality management (3rd party or Trane factory-installed Dolphin Water Care™ System) Options setup Calibrate Conductivity Controller Setup blowdown set points on the conductivity sensor...

  • Page 86: Unit Start Up

    Unit Start Up Cooling Sequence of Operation minimum per compressor stage and control the compressor outputs accordingly. As the compressors Time delays are built into the controls to increase begin to de-energize, the Supply Fan speed will fall back to reliability and performance by protecting the compressors the Cooling Stage’s associated minimum fan speed, but and maximizing unit efficiency.

  • Page 87: Units Without An Economizer

    Unit Start Up temperature is above 50°F , the outside air damper will established.The RTM opens the economizer dampers to remain closed and DX mechanical cooling will occur for the specified “minimum position” . the duration of Rapid Restart. When a cooling request is sent to the RTM from the zone temperature sensor, the RTM evaluates the operating Supply Fan Operation –...
  • Page 88 Unit Start Up When the optional CO sensor is installed and the CO for that circuit will be 5F higher than the user selected Coil Reset is enabled, as the CO concentration increases Frost CutoutTemperature Setpoint. above the CO Reset Start Value, the VCM will modify the Lead-Lag Operation minimum outside air CFM setpoint to increase the amount of outside air entering the unit.The setpoint will be...
  • Page 89 Unit Start Up the customer-supplied terminal strip.This gives the minutes or until the water temperature is greater than 35°F . Once a water temperature of 35°F or greater is achieved, customer more flexibility in determining water conditions the fill solenoid is energized, the sump will continue to fill, via external controls.
  • Page 90 Unit Start Up Figure 55. Drain valve actuator with weather shield Figure 58. Actuator is shipped in “drain during power loss” configuration Weather Shield Shaft Set Screw Drain Valve Actuator To drain during power loss, To hold during power loss, set shaft adapter to 0 degrees set shaft adapter to 90 degrees Figure 56.

  • Page 91: Gas Heating Sequence Of Operation

    Unit Start Up • Press the ENTER key to save the conductivity rating – When the setpoint is exceeded the relay (K1) will be energized and a blowdown request will close the and return to the CALIBRATE menu Water treatment request binary input on the MCM. •...

  • Page 92: Modulating Gas Sequence Of Operation-Full And Limited Modulating Gas Furnace

    Unit Start Up limit cutout (4S26) to the Honeywell ignition control board On an additional call for heat, the K3 contacts on the Heat (4U18).The ignition control board (4U18) starts a pre- Module will close to energize the combustion blower relay purge timing cycle.

  • Page 93: Electric Heat Sequence Of Operation

    Unit Start Up Wet Heat Sequence of Operation If the pilot is ignited within 10 seconds, the IC board de- energizes the ignition transformer 4T7 and electrode 4E1. Electrical circuitry for units with steam or hot water heat is At this point, relay 4K119 will energize, starting the limited to the connections associated with the modulating combustion air actuator and the furnace.The feedback valve actuator (4U15) and the freezestat (4S12).

  • Page 94: Electrical Phasing

    Unit Start Up • Turn the “System” selection switch (at the Remote The compressor motor is internally connected for Panel) to the “Off” position and the “Fan” selection clockwise rotation with the incoming power supply switch (if Applicable) to the “Auto” or “Off” position. phased as A, B, C.

  • Page 95: Voltage Supply And Voltage Imbalance

    Unit Start Up Voltage Supply and Voltage Imbalance Voltage Supply Electrical power to the unit must meet stringent requirements for the unit to operate properly. Measure each leg (phase-to-phase) of the power supply. Each reading must fall within the utilization range stamped on the unit nameplate.
  • Page 96 Unit Start Up RT-SVX36K-EN...
  • Page 97 Unit Start Up RT-SVX36K-EN...
  • Page 98 Unit Start Up RT-SVX36K-EN...
  • Page 99 Unit Start Up Table 43. Service test guide for component operation — Part II of II Component Configuration Component Sump Sump Econo Exhaust Unocc Reheat Dolphin Being Tested Pump Heater Damper Damper Output Relay COMPRESSOR 20 - 30 Ton Closed Closed Default Closed...
  • Page 100 Unit Start Up Table 43. Service test guide for component operation — Part II of II (continued) Component Configuration Component Sump Sump Econo Exhaust Unocc Reheat Dolphin Being Tested Pump Heater Damper Damper Output Relay FULL MODULATING Closed Closed 100% Unocc (Low Fire Adjustment) LIMITED MODULATING...

  • Page 101: Verifying Proper Fan Rotation

    7. Press theTEST START key to start the test. Remember sheave arrangements to adjust fan speed. This that the delay designated in step 6 must elapse before adjustment is made through the IntelliPak™ Human the fans will begin to operate. Interface (HI). Refer to the Programming...

  • Page 102: System Airflow Measurements

    Unit Start Up &Troubleshooting Guide (RT-SVP07*-EN) to get to the 2. Close the disconnect switch or circuit protector switch appropriate HI menu and make proper selections. that provides the supply power to the unit's terminal block 1TB1 or the unit mounted disconnect switch To make fan speed adjustments as required by the 1S14.
  • Page 103 Unit Start Up Figure 59. Condenser fan location with human interface designator 20 Tons 25-30 Tons 40 Tons 50 Tons 60-75 Tons 5. Use Table 42, p. 96 to program the Supply Fan for WARNING operation by scrolling through the displays. Live Electrical Components! 6.

  • Page 104: Vav Systems With Ddp Supply Fan

    Unit Start Up amperage at the supply fan contactor 1K16 & 1K15 Note: If assuming standard air density, obtain the airflow (additional contactor for 90 thru 75Ton units). If the using: CFM = K*SQRT(DP) where DP is the amperage exceeds the motor nameplate value, the differential pressure (Inches w.c.) static pressure is less than design and the airflow is too Exhaust Airflow Measurement (Optional...

  • Page 105: Traq Sensor Airflow Measurement (Optional With All Units Equipped With An Economizer)

    Unit Start Up pressed and the delay designated in this step has elapsed. Press the ENTER key to confirm this choice. WARNING 4. Press theTEST START key to start the test. Remember Live Electrical Components! that the delay designated in step 3 must elapse before During installation, testing, servicing and the fans will begin to operate.
  • Page 106 Unit Start Up Fan Performance Tables Figure 60. Supply fan performance with or without variable frequency drive - 20 and 25 ton air-cooled, 24 and 29 ton evaporative condensing - forward curved S_HL*20 & 25, 24 & 29 Ton 1700 RPM Dual 15 X 15 FC Fans Entrance Losses - without Evap Coil...
  • Page 107 Unit Start Up Figure 62. Supply fan performance with variable frequency drive - 20 and 25 ton air-cooled, 24 and 29 ton evaporative condensing - direct drive plenum, 120% width 2400 RPM 2300 RPM S_HL*20 & 25, 24 & 29 Single 22.25”...
  • Page 108 Unit Start Up Figure 64. Supply fan performance with variable frequency drive — 30 ton air-cooled, 36 ton evaporative condensing - direct drive plenum, 80% width S_HL*30/36 Ton Single 25” 80% Width DDP Fan 2000 RPM Entrance Losses - without Evap Coil - without Filters - without Return Air Dampers 1900 RPM...
  • Page 109 Unit Start Up Figure 66. Supply fan performance with or without variable frequency drive - 40, 50 and 55 ton air-cooled, 48 and 59 ton evaporative condensing - forward curved 1200 RPM S_HL* 40 & 50, 55, 48 & 59 Ton Dual 20 X 20 Fans Entrance Losses - without Evap Coil...
  • Page 110 Unit Start Up Figure 68. Supply fan performance with variable frequency drive - 40 ton air-cooled, 48 ton evaporative condensing - direct drive plenum, 120% width S_HL*40/48 Ton 1900 RPM Single 27” 120% Width DDP Fan 1800 RPM Entrance Losses - without Evap Coil - without Filters - without Return Air Dampers...
  • Page 111 Unit Start Up Figure 70. Supply fan performance with variable frequency drive - 50, 55 ton air-cooled, 59 ton evaporative condensing - direct drive plenum, 100% width 1800 RPM 1700 RPM S_HL*50/59 & 55 Ton Single 30” 100% Width DDP Fan Entrance Losses 1600 RPM - without Evap Coil...
  • Page 112 Unit Start Up Figure 72. Supply fan performance with or without variable frequency drive - 60, 70 and 75 ton air-cooled, 73, 80 and 89 ton evaporative condensing - forward curved 1200 RPM S_HL*60, *70, *75 Ton *73, *80, *89 Ton 1100 RPM Dual 22 X 22 Fans Entrance Losses...
  • Page 113 Unit Start Up Figure 74. Supply fan performance with variable frequency drive - 60 ton air-cooled, 73 ton evaporative condensing - direct drive plenum, 120% width 2100 RPM S_HL*60/73 Ton Dual 25” 120% Width DDP Fan 2000 RPM Entrance Losses - without Evap Coil - without Filters - without Return Air Dampers...
  • Page 114 Unit Start Up Figure 76. Supply fan performance with variable frequency drive - 70 and 75 ton air-cooled, 80 and 89 ton evaporative condensing - direct drive plenum, 120% width 1900 RPM S_HL*70 & 75/89 Ton Dual 27” 120% Width DDP Fan 1800 RPM Entrance Losses...
  • Page 115 Unit Start Up Figure 78. Supply fan performance with or without variable frequency drive - 105, 115, 130 ton air-cooled RT-SVX36K-EN...
  • Page 116 Unit Start Up Pressure Drop Tables Figure 79. Wet airside pressure drop at 0.075 lb/cu.ft. 20 - 89 ton evaporator coil Figure 80. Dry airside pressure drop at 0.075 lb/cu.ft. 20 - 89 ton evaporator coil RT-SVX36K-EN...
  • Page 117 Unit Start Up Figure 81. Wet airside pressure drop at 0.075 lb/cu.ft. 90 - 130 ton evaporator coil Evaporator Wet Airside Pressure Drop at 0.075 lb/cu.ft. 20-130 Ton 4000 6000 800010000 20000 40000 60000 Unit Airflow, CFM Figure 82. Dry airside pressure drop at 0.075 lb/cu.ft. 90 - 130 ton evaporator coil Evaporator Dry Airside Pressure Drop at 0.075 lb/cu.ft.
  • Page 118 Unit Start Up RT-SVX36K-EN...
  • Page 119 Unit Start Up RT-SVX36K-EN...
  • Page 120 Unit Start Up Table 49. Component static pressure drops (in. W.G.)—exhaust damper for return fan Nom Tons Exhaust Damper Exhaust Damper (AC/EC) for Return Fan Nom Tons for Return Fan 4000 0.08 10000 0.28 6000 0.19 14000 0.56 8000 0.35 17000 0.75 20/24...
  • Page 121 Unit Start Up Table 50. 20-89 tons - modulating 100% exhaust fan performance Nominal Cfm Negative Static Pressure Tons 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 (AC/EC) RPM BHP RPM 4000 0.34 0.70 1.12 1.59 2.10 2.64 6000 0.61 1.03 1.52 2.07...
  • Page 122 Unit Start Up Table 51. 90-130 tons modulating 100% exhaust fan performance Negative Static Pressure Nominal Std 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 2.250 2.500 Tons RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 28000 495 12.81 519 13.30 547 13.93 582 15.27 619 17.14 655 18.85 689 20.51 721 22.51 750 24.43 777 26.28 30000 527 15.67 550 16.22 573 16.71 604 17.84 637 19.53 672 21.63 705 23.38 737 25.16 768 27.31 795 29.37 32000 559 18.92 581 19.53 602 20.03 628 20.90 658 22.39 690 24.39 723 26.63 753 28.44 784 30.37 811 32.54...
  • Page 123 6. Performance data includes cabinet and rain hood effect. Damper pressure drop must be added to the return duct static per Table 49, p. 120 7. Shaded area indicates nonstandard BHP or RPM selections. Contact a local Trane representative for more information. RT-SVX36K-EN...
  • Page 124 7. Performance data includes cabinet and rain hood effect. Damper pressure drop will have to be added to the return duct static per Table 49, p. 120 8. Shaded area indicates nonstandard BHP or RPM selections. Contact a local Trane representative for more information. RT-SVX36K-EN...

  • Page 125: Economizer Damper Adjustment

    Unit Start Up Table 56. Return fan performance—60, 70, 75 tons AC; 73, 80, 89 tons EC (36.5” fan) Negative Static Pressure Std. 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 12000 1.07 1.59 2.13 2.71 3.31 3.91 4.54 5.20 13000 1.27 1.83...
  • Page 126 Unit Start Up WARNING WARNING Hazardous Voltage! Rotating Components! Disconnect all electric power, including remote The following procedure involves working with rotating disconnects before servicing. Follow proper lockout/ components. Disconnect all electric power, including tagout procedures to ensure the power can not be remote disconnects before servicing.

  • Page 127: Compressor Start-Up (All Systems)

    Unit Start Up Table 58, p. 127 to select the appropriate crank arm Table 57. F/A Damper travel adjustment hole configuration based on the; Position of Connecting Rod Damper Crank Arm Hole a. specific unit (Figure 81, p. 117) Configuration b.

  • Page 128: Refrigerant Charging

    Unit Start Up – Compressor 1A (On) NOTICE: – Compressor 1B (Off) Compressors Damage! – Condenser Fans Do not allow liquid refrigerant to enter the suction line. • 40 through 75Ton (VSC units only) Excessive liquid accumulation in the liquid lines could –...

  • Page 129: Compressor Operational Sounds

    Listen to recordings of eFlex variable speed scroll sounds 6. After all of the compressors and condenser fans for the at www.trane.com/eFlexSounds. number 1 circuit have been operating for approximately 30 minutes, observe the operating NOTICE: pressures.

  • Page 130: Evaporative Condenser Startup

    Unit Start Up shipment.The shipping support brackets must be Figure 84. Compressor locations removed prior to unit startup. See “To remove shipping brackets, ” p. 130 Figure 85, p. 131 removal instructions. 20-36 Ton Compressor B • Verify that inlet water pressure is 35-60 PSIG, dynamic HI Designator “K11”...

  • Page 131: Pressure Curves

    Unit Start Up Figure 85. Fan shipping bracket removal Mist Eliminator Fan Shipping Bracket Screws Fan Shipping Bracket Access Doors Actuator Side Inlet Louvers Pressure Curves Figure 86. Float bracket setting To Check Operating Pressures 1. Start the unit and allow the pressures to stabilize. Note: If unit includes the Modulating Dehumidification Control option, pressure curves apply to the cooling mode only.
  • Page 132 Unit Start Up Note: To check operating pressure, see instructions p. 131 Figure 87. 20 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 88.
  • Page 133 Unit Start Up Figure 89. 25 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 90. 25 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 134 Unit Start Up Figure 91. 30 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 92. 30 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 135 Unit Start Up Figure 93. 40 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 94. 40 ton high capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 136 Unit Start Up Figure 95. 40 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 96. 40 ton eFlex variable speed - circuit 1 only operating pressure curve (compressor at 100% and all condenser fans “On”).
  • Page 137 Unit Start Up Figure 97. 50 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) Suc on Pressure, PSIG Figure 98. 50 ton high capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient...
  • Page 138 Unit Start Up Figure 99. 50 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 100. 50 ton eFlex variable speed - circuit 1 only operating pressure curve (compressor at 100% and all condenser fans “On”).
  • Page 139 Unit Start Up Figure 101. 55 ton standard efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 102. 55 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 140 Unit Start Up Figure 103. 55 ton eFlex variable speed - circuit 1 operating pressure curve (all compressors and condenser fans “On”) See Figure 101, p. 139 for circuit 2 operating pressures. F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 104.
  • Page 141 Unit Start Up Figure 105. 60 ton high capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 106.60 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 142 Unit Start Up Figure 107. 60 ton eFlex variable speed - circuit 1 only operating pressure curve (compressor at 100% and all condenser fans “On”). See Figure 104, p. 140 for circuit 2 operating pressures. F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG...
  • Page 143 Unit Start Up Figure 109. 70 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 110. 70 ton eFlex variable speed - circuit 1 only operating, high efficiency pressure curve (compressor at 100% and all condenser fans “On”).
  • Page 144 Unit Start Up Figure 111. 75 ton standard capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 112. 75 ton high capacity operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient...
  • Page 145 Unit Start Up Figure 113. 75 ton high efficiency operating pressure curve (all compressors and condenser fans “On”) F Ambient F Ambient F Ambient F Ambient F Ambient Suc on Pressure, PSIG Figure 114. 90 ton standard operating pressure curve (all compressors and condenser fans “On”) COOLING CYCLE PRESSURE CURVE 90 Ton Standard Capacity 105 °F Ambient...
  • Page 146 Unit Start Up Figure 115. 90 ton high operating, high efficiency pressure curve (all compressors and condenser fans “On”) COOLING CYCLE PRESSURE CURVE 90 Ton High Capacity 105 °F Ambient 95 °F Ambient 85 °F Ambient 75 °F Ambient 65 °F Ambient Suction Pressure, PSIG Figure 116.

  • Page 147: Thermostatic Expansion Valves

    Unit Start Up Figure 117. 115 ton high operating pressure curve (all compressors and condenser fans “On”) COOLING CYCLE PRESSURE CURVE 115 Ton Standard Capacity COOLING CYCLE PRESSURE CURVE 105 Ton High Capacity 105 °F Ambient 95 °F Ambient 85 °F Ambient 75 °F Ambient 65 °F Ambient Suction Pressure, PSIG...

  • Page 148: Charging By Subcooling

    Unit Start Up superheat could cause serious compressor damage due to sensor to the line, insulate the sensor and line to isolate refrigerant floodback. it from the ambient air. Use a thermocouple type probe for an accurate reading. Tables are based on outdoor ambient between 65° & 105°F , relative humidity above 40 percent.
  • Page 149 Unit Start Up installed over the condenser fans 2B1 & 2B4 (depending 2. Close the disconnect switch or circuit protector switch on unit size). Refer to the illustration in Figure 59 for the that provides the supply power to the unit's terminal damper locations.

  • Page 150: Gas Furnace Start-Up (Constant Volume & Variable Air Volume Systems)

    Unit Start Up High-Fire Adjustment 7. Press theTEST START key to start the test. Remember that the delay designated in step 6 must elapse before 1. Use Table 42, p. 96 to program the following system the fan will begin to operate. components for operation by scrolling through the 8.
  • Page 151 Unit Start Up decrease the amount of air entering the combustion Table 61. Recommended manifold pressures and CO levels during furnace operation (see notes) chamber. Refer to Figure 123, p. 154 for the location of the combustion air damper. Manifold 8.

  • Page 152: Full Modulating Gas Furnace

    WARNING sensor.The temperature sensor signal is sent to the Heat module of the IntelliPak Unit Control.The control signal Rotating Components! from the Heat Module is an inverse proportional 5 -10VDC.

  • Page 153: Limited Modulating Gas Furnace

    Heat factory and normally does not need field module of the IntelliPak Unit Control.The control signal adjustment.The combustion quality (air/gas) is from the Heat Module is an inverse proportional 5 -10V DC.

  • Page 154: Final Unit Checkout

    Unit Start Up Final Unit Checkout Figure 122. Modulating gas regulator After completing all of the checkout and start-up procedures outlined in the previous sections (i.e., operating the unit in each of its Modes through all available stages of cooling and heating), perform these final checks before leaving the unit: 1.

  • Page 155: Startup Checklists

    Startup Checklists 20-75 Ton — Air-Cooled Refer to the appropriate sections in the unit IOM for appropriate procedures, component specifications and This checklist is intended to be a guide for the start up safety instructions. technician. Many of the recommended checks and actions Important: This checklist is not intended to be a could expose the technician to electrical and mechanical substitution for the contractors installation...
  • Page 156 Startup Checklists Table 62. Startup checklist (continued)— 20-75 ton air-cooled Verify Task Completed Unit Configuration and Setup Verify model number in the UCM configuration matches unit model number on name plate Configure unit using IOM and critical control parameters listed in Table 63, p.

  • Page 157: 24-89 Ton - Evaporative Condenser

    Startup Checklists Table 63. Critical control parameters Notes: 1. Using the Human Interface (HI), go to SETUP Menu and input setting for parameters listed below. 2. Use the map shown below to determine region of country based on unit site location. 3.
  • Page 158 Startup Checklists Table 64. Startup checklist — 24-89 ton evaporative cooling Verify Task Completed Access/Egress Initial Site Inspection Unit exterior inspected for damage (dents, bends, missing panels, doors work properly) Unit clearances adequate to avoid air recirculation etc. Verify crankcase heaters are working and on for 8 hours prior to unit start (may require 480V availability) Wear electrical PPE Lockout tag out unit Verify unit interior is free from debris/obstructions etc.
  • Page 159 Startup Checklists Table 64. Startup checklist (continued)— 24-89 ton evaporative cooling Verify Task Completed Electric Heat (If Applicable) Electric heat circuits have continuity Perform electric heat start-up procedure outlined in IOM Gas Heat (If Applicable) Gas heat piping includes drip leg previously installed by controlling contractor Gas heat flue assembly fully installed Gas heat condensate line + heat tape installed where applicable Verify heating system matches name plate...
  • Page 160 Startup Checklists Table 65. Critical control parameters Notes: 1. Using the Human Interface (HI), go to SETUP Menu and input setting for parameters listed below. 2. Use the map shown below to determine region of country based on unit site location. 3.

  • Page 161: 90-130 Ton - Air Cooled

    Ship Date Unit DL # (special units) Date Starting Sales Office Technician Table 66. IntelliPak startup checklist — 90-130 ton air cooled Verify Task Completed Access/Egress Initial Site Inspection Unit exterior inspected for damage (dents, bends, missing panels, doors work properly) Unit clearances adequate to avoid air recirculation etc.
  • Page 162 Startup Checklists Table 66. IntelliPak startup checklist (continued)— 90-130 ton air cooled Verify Task Completed Unit Configuration and Setup Verify model number in the UCM configuration matches unit model number on name plate Configure unit using IOM and critical control parameters listed in Table 64, p.
  • Page 163 Startup Checklists Table 67. Critical control parameters Notes: 1. Using the Human Interface (HI), go to SETUP Menu and input setting for parameters listed below. 2. Use the map shown below to determine region of country based on unit site location. Economizer Settings Suggested Parameter...
  • Page 164 Startup Checklists Figure 124. Dry bulb changeover map RT-SVX36K-EN...

  • Page 165: Maintenance

    Maintenance Table 68. Control settings and time delays Control Description Elec. Designation Contacts Open Contacts Closed Compressor Circuit Breakers 20 - 130 1CB8 thru 1CB11 Table 69, p. 165 Table 69, p. 165 Combustion Airflow Switch 4S25 see Note 0.1 - 0.25" wc rise in press diff (Gas Heat Only) High Limit Cutout 4S26...
  • Page 166 Maintenance Figure 125. Unit internal fuse replacement data for air cooled units, CV & SZVAV RT-SVX36K-EN...
  • Page 167 Maintenance Figure 126. Unit internal fuse replacement data for air-cooled units, VAV RT-SVX36K-EN...
  • Page 168 Maintenance Figure 127. Unit internal fuse replacement data for evaporative condensing units, CV & SZVAV RT-SVX36K-EN...
  • Page 169 Maintenance Figure 128. Unit internal fuse replacement data for evaporative condensing units, VAV RT-SVX36K-EN...
  • Page 170 Maintenance Table 70. Filter data Panel-Type Cartridge Filters (Pre-Evap Panel-Type Prefilters Filters Bag-Type Filters and Final) (box-type) (Pre-Evap and Final) Qty. Qty. Unit Model (Pre-Evap/ (Pre-Evap/ (AC/EC) Size of each Qty. Size of each Final Filter) Size of each Final Filter) Size of each 12 X 24 X 19 12 X 24 X 12 12 X 24 X 2...

  • Page 171: Fan Belt Adjustment

    Maintenance Table 73. Refrigerant coil fin data (continued) Evaporator Coil Condenser Coil Size Rows/Fin Tube Diameter/ Size Rows/Fin Tonnage (ft2) Series Surface (ft2) Series Type 90 Std 59.3 4/148 1/2 / Enhanced 2/276 Microchannel 90 Hi Cap/Hi Eff 59.3 6/148 1/2 / Enhanced 2/276 Microchannel...

  • Page 172: Scroll Compressor Replacement

    19 1/2 16.0 equipment or components with these units. For specific handling concerns with R-410A, please contact your local Trane representative. Figure 130. Belt deflection Failure to use R-410A rated service equipment or components could result in equipment exploding under R-410A high pressures which could result in death, serious injury, or equipment damage.

  • Page 173: Scroll Compressor Replacements

    Maintenance occurred, change the oil in both compressors in a tandem NOTICE: set. Compressor Damage! CSHD Compressors (20-70 & 80 Ton) In order to prevent compressor damage, you MUST For CSHD compressors this will require that the oil be follow recommendations below: removed using a suction or pump device through the oil equalizer Rotolock fitting, see Figure...
  • Page 174 Maintenance Figure 132. PTFE gasket Figure 134. Oil injection solenoid valve Charge the new oil into the Schrader valve or oil drain Oil injection solenoid valve on the shell of the compressor. Due to the moisture absorption properties of POE oil, do not use POE oil from a previously opened container.
  • Page 175 CSHN176 balance the oil levels in the compressors. For tandem 30 & 36 Ton High Cap CSHD161 75 & 89 Ton High Cap CSHN184 manifold compressors in Intellipak units, this restrictor is 40 Ton Std Cap CSHD110 105 Ton High Cap...
  • Page 176 Maintenance Table 78. Supply and exhaust/return fan VFD programming parameters (continued) Menu Name Unit 1-03 Torque Characteristics Variable Torque Variable Torque Sum of HP Per Motor 1-20 (TR150) Motor Power [HP] Per Motor Nameplate HP Nameplate HP [dual motors 1-21 (TR200) on 60-75T] Per Motor Nameplate Per Motor Nameplate...
  • Page 177 For variable frequency drives Should replacing a VFD become necessary, the or other energy storing components provided by Trane replacement is not configured with all ofTrane's operating or others, refer to the appropriate manufacturer’s parameters.The VFD must be programmed before...

  • Page 178: Monthly Maintenance

    Maintenance Monthly Maintenance d. Use [  ] and [  ] buttons to select the correct parameter sub-group (first digit of second part of Before completing the following checks, turn the unit OFF parameter number) and lock the main power disconnect switch open. e.

  • Page 179: Coil Cleaning

    Maintenance Adjustment” section for belt replacement and life and minimum lube intervals.Too much adjustments. lubrication in a bearing can be just as harmful as not enough. • Check the condition of the gasket around the control panel doors.These gaskets must fit correctly and be in •...
  • Page 180 For evaporator and reheat coil cleaners, contact the local Microchannel Condenser Coil Repair and Trane Parts Center for appropriate detergents. Replacement 1. Remove enough panels from the unit to gain safe If microchannel condenser coil repair or replacement is access to coils.
  • Page 181 Maintenance prior to connection to the unit, whether or not there is a the coils.The sump flush frequency or bleed rate should strainer. be increased if large amounts of scale are present. There is an air gap between the water inlet float valve and If the water has a “milky or cloudy”...

  • Page 182: Fall Restraint

    Maintenance Table 79. Evaporative Condenser Models—Maintenance and Troubleshooting (continued) Reset – check amps on each leg to determine if faulty motor. Check and clean debris around float Sump Pump Overload Trip Low Water Level or Sump Pump Does not run switch.
  • Page 183 Maintenance RT-SVX36K-EN...

  • Page 184: Unit Wiring Diagram Numbers

    Unit Wiring Diagram Numbers Note: Wiring diagrams can be accessed via e-Library by entering the diagram number in the literature order number search field or by calling technical support. Table 81. Wiring diagram matrix Water Air Cooled Cooled Tonnage Description Power VAV &...
  • Page 185 Unit Wiring Diagram Numbers Table 81. Wiring diagram matrix (continued) Water Air Cooled Cooled Tonnage Description VFD Schematics TR200 2309-3577 90-130T SCHEMATIC/CONNECTION SUP VFD #1 W/ BYPASS 2309-3578 90-130T SCHEMATIC/CONNECTION EXH/RET VFD W/ BYPASS 2309-3579 90-130T SCHEMATIC/CONNECTION SUP VFD #2 W/ BYPASS 2309-3581 90-130T SCHEMATIC/CONNECTION SUP VFD #1 W/O BYPASS...
  • Page 186 Unit Wiring Diagram Numbers Table 81. Wiring diagram matrix (continued) Water Air Cooled Cooled Tonnage Description 2313-1164 90-130T CONNECTION W/ SUP VFD 2313-1165 90-130T CONNECTION W/ EXH VFD 2313-1166 90-130T CONNECTION W/ SUP & EXH VFD 2313-1169 24-89T CONNECTION EVAP COOLED W/ SUP VFD 2313-1170 24-89T CONNECTION EVAP COOLED W/ EXH/RET VFD...

  • Page 187: Warranty

    Buyer’s city (or port of export for Disassembly shipment outside the conterminous United States) When a new fully assembled IntelliPak is shipped and replacement equipment (or at the option of the Company received from ourTrane manufacturing location, and, for...

  • Page 188: Index

    Index Symbols BAYSENS110* 64 Drain Valve 46 BAYSENS119 65 Drain valve actuator 90 "Gate" type valve 52 BAYSENS119* 65 Drain Valve Setup 89 "Ship with" Locations 22 BAYSTAT023* 65 Ductwork 36 “Wet heat” coil fin data 170 BCI 11 Numerics economizer 105 1U51 68 calibrate conductivity 91...
  • Page 189 12 GBAS 11 Rubber Isolators 42 nameplate 3 Generic Building Automation System 68 Non-Trane roof curbs 38 S_HK Cooling and Heating Units 33 Generic Building Automation System Module 14 SAHL cooling-only units 28 O/A Sensor & Tubing Grease recommendations 170...
  • Page 190 Index SZVAV 15 Temperature vs. Resistance Coefficient 67 Thermostatic Expansion Valves 129 Trane Communication Interface 18 Transducer 17 TRAQ Sensor 87 TRAQTM Sensor Airflow Measurement 105 Two Stage Gas Furnace 91 Typical field wiring 73 Typical gas furnace 154 Typical ventilation override...
  • Page 192 HVAC systems, comprehensive building services, and parts. For more information, visit www.Trane.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. © 2013Trane All rights reserved...

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