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Trane S*HF*20-75 Troubleshooting Manual

Commercial single zone rooftop air conditioner or commercial rooftop air handlers, with variable air volume (vvda/vvzt) controls or constant air volume (cvda/cvzt) controls intellipak i series; intellipak ii series;
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Programming &
Troubleshooting
Guide
IntelliPak™ I and IntelliPak™ II
Commercial Single Zone Rooftop Air Conditioner or
Commercial Rooftop Air Handlers, with Variable Air
Volume (VVDA/VVZT) Controls or Constant Air
Volume (CVDA/CVZT) Controls
IntelliPak I models
IntelliPak II models
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.
November 2011
S*HF*20-75
S*HG*90-130
S*HJ090-162
SAFETY WARNING
S*HL*20-75
S*HK*90-130 W*HB, W*HE
W*HCA-C
RT-SVP07B-EN

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Summary of Contents for Trane S*HF*20-75

  • Page 1 Guide IntelliPak™ I and IntelliPak™ II Commercial Single Zone Rooftop Air Conditioner or Commercial Rooftop Air Handlers, with Variable Air Volume (VVDA/VVZT) Controls or Constant Air Volume (CVDA/CVZT) Controls S*HF*20-75 S*HL*20-75 IntelliPak I models S*HG*90-130 S*HK*90-130 W*HB, W*HE S*HJ090-162 W*HCA-C...
  • Page 2 CFCs such as HCFCs and HFCs. Responsible Refrigerant Practices! Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified. The Federal Clean Air Act (Section 608) sets forth the requirements for handling, reclaiming, recovering and recycling of certain refrigerants and the equipment that is used in these service procedures.
  • Page 3 Warnings, Cautions and Notices WARNING Personal Protective Equipment (PPE) Required! Installing/servicing this unit could result in exposure to electrical, mechanical and chemical hazards. • Before installing/servicing this unit, technicians MUST put on all Personal Protective Equipment (PPE) recommended for the work being undertaken. ALWAYS refer to appropriate MSDS sheets and OSHA guidelines for proper PPE.

  • Page 4: Table Of Contents

    Table of Contents Commonly Used Acronyms ..........5 Glossary of Terms .

  • Page 5: Commonly Used Acronyms

    Commonly Used Acronyms For convenience, a number of acronyms and abbreviations are used throughout this manual. These acronyms are alphabetically listed and defined below. Table 1. Acronyms act = active, actuator IGV = inlet guide vanes AH = air handler Indep = Independent annunc = annunciate INFO = Information Only (Diagnostic)

  • Page 6: Glossary Of Terms

    Comm3/4 . A Trane proprietary network communication protocol. Comm5. Trane's implementation of LonTalk (an open network communication protocol). Condenser Pressure. The saturated condenser pressure measured on each circuit's condenser section on Evaporative Condenser units. Condenser pressure is converted to Saturated Condenser Temperature for display on the Human Interface.
  • Page 7 Commonly Used Acronyms Deadband. A narrow band of sensor range equally spaced above and below the setpoint that defines a region where the algorithm will be satisfied and the controlled output will be maintained without change. Dehumidification Override High Zone Temp. The temperature in the critical zone on VAV units where Dehumidification is disabled to prevent over-heating the space due to excess reheat.

  • Page 8: Ucm Control System

    UCM Control System Trane Large Commercial Rooftop Units are controlled by a microelectronic control system that consists of a network of modules and are referred to as Unit Control Modules (UCM). The unit size, type VVDA (VAV w/ IGV/VFD), SZxx (SZVAV), RRXX (Rapid Restart), CVDA (VAV w/o IGV/VFD), CVZT (CV), VVZT (SZVAV), heating functions, peripheral devices, options, exhaust capabilities, etc.
  • Page 9 IntelliPak II) or (1U51 – GBAS(0-5VDC)/(0-10VDC) IntelliPak I) (interface to third party BAS controls) The GBAS modules allows a non-Trane building control system to communicate with the unit and accepts external Setpoints in form of analog inputs (0 - 5 V or 0 - 10 V depending on the module selected) and a binary Input for demand limit.
  • Page 10 (used on units with Trane ICS or 3rd party Building Automation Systems) The BCI module expands communications from the unit UCM network to a Trane Tracer Summit, or a 3rd party building automation system that utilizes BACnet, and allows external Setpoint and configuration adjustment and monitoring of status and diagnostics.

  • Page 11: Menu Keys

    Commonly Used Acronyms Figure 1. Human Interface Module Menu Keys The six main menu keys illustrated in Figure 2. Human Interface Keypad, (Status, Setpoints, Setup, Configuration, Diagnostics, and Service Mode) are used to bring up the various interactive menus where the user inputs and accesses unit operating data.

  • Page 12: Data Manipulation Keys

    Commonly Used Acronyms Setpoints Key Pressing the Setpoints key will cause the LCD screen to display the first of the setpoint screens where the operator will designate default temperature and pressure setpoints. While scrolling through the setpoint screens, pressing this key again will cause the LCD to display the first setpoint screen.

  • Page 13: Unit Operation Keys

    Unit Operation Keys - (Minus) Key When viewing a setpoint screen, this key will decrease the value of the displayed item per the units selected. When working with a CUSTOM MENU, it will delete the current selected display. When viewing setup, or service test screens, it will proceed backwards though all the selections of that menu item, decrease setpoints, toggle choices ON to OFF, ENABLED to DISABLED.
  • Page 14 General Status Display and configuration information. The Human Interface will not display screens or parts of screens for which the unit is not configured. Figure 2. Human Interface Keypad RT-SVP07B-EN...
  • Page 15 General Status Display Unit “Off” or “Stopped” If at power up the unit is not running, the following display will appear on the Human Interface LCD screen. When this screen is being displayed, the only functional keys are the six menu keys (Status, Setpoints, Diagnostics, Setup, Configuration, and Service Mode), the Auto key, the Custom key, and the Stop key.
  • Page 16 General Status Display “Emergency Override” Active If the unit has entered an Emergency Override mode of operation, one of the following displays will appear on the Human Interface LCD screen. Used With: LCI or BCI Options Ventilation Override Mode Top Left Field: PRESSURIZE Diagnostics Top Right Field: (blank)
  • Page 17 General Status Display Factory Presets The UCM controlled unit has many operating functions which are preset at the factory, but may be modified to meet the unique requirements of each job. The following list in Table 2, identifies each of the unit’s adjustable functions and the value assigned to it.
  • Page 18 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Reset Cool Start Temp (Zone/OA) (72/90) ___________ Setup Reset Cool End Temp (Zone/OA) (69/70) ___________ Setup Reset Cool Max Amount...
  • Page 19 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... OA Flow Calibration Gain (Left) ___________ Setup OA Flow Calibration Offset (Left) 0 CFM ___________ Setup OA Flow Calibration Gain (Right)
  • Page 20 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Min Voltage 2 VDC ___________ Setup Supply Fan IGV/VFD (if equipped) Direct ___________ Setup Actuator Setup Max Stroke Time 30/0 sec...
  • Page 21 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Cond Fan VFD Ckt-2 (if equipped) Actuator Setup Direct ___________ Setup 60 sec ___________ Setup Max Stroke Time Max Voltage...
  • Page 22 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Bias 0 deg F ___________ Setup Zone Control Modulating Heat Gains Proportional 10.0 % F ___________ Setup DISABLE...
  • Page 23 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Supply Air Low Limit 50 F ___________ Setpoints VCM Preheat Actuate Temp 35 F ___________ Setpoints Design Min CO...
  • Page 24 General Status Display Table 2. Factory Presets List (continued)(Note: Listed Items availability is dependent on unit configuration. To adjust Adjustable Function Factory Preset Changed To press... Occupied Humidity Hi Default ___________ Setpoints Unoccupied Humidity Hi Default ___________ Setpoints Minimum Outside Air Flow Rate Hi Default ___________ Setpoints...
  • Page 25 General Status Display 1. Press the + or - keys in this sequence ( - + + ) to access this restricted screen. 2. Press the Enter key to confirm the diagnostic reset. Diagnostic Log is Password Protected Please Enter Password: __________ 1.

  • Page 26: Status Menu

    STATUS Menu The status menu is used to view various operating conditions such as temperatures, pressures and humidity levels. It is also used to view unit component status such as fan, compressor, heater, and economizer operation, as well as setpoint status.
  • Page 27 STATUS Menu Used With: Clustered VVDA Units Supply Fan IGV/VFD Target:    30% Possible Values: 0 to 100% Master’s Algorithm Command to All Units Used With: VVDA Units Supply Fan IGV/VFD Cmd Opening To 30 % Possible Values: Active Supply Air Pressure 2.0 IWC Cmd: 0 to 100% “Opening To”...
  • Page 28 STATUS Menu Used With: Units w/Electric Heat Electric Heat: ENABLED Possible Values: Stage: 6 K11: ON K12: ON K1: ON Electric Heat: “ENABLED” indicates heat is available. ENABLED, “DISABLED” indicates heating is not allowed. DISABLED By Setup, “LIMITED” indicates heating is available at reduced capacity. LIMITED By Demand Limit DISALBED By BAS/Network Stage: 0,1,2,3,4,5,6...
  • Page 29 STATUS Menu Used With: Air Handler Units w/Chilled Chilled Water: ENABLED Water Valve Position: Opening To 100 % Possible Values: Chilled Water: “ENABLED” indicates cooling is available. ENABLED, “DISABLED” indicates cooling is not allowed. DISABLED By Setup, “LIMITED” indicates cooling is available at reduced capacity. LIMITED By Demand Limit “Opening To”...
  • Page 30 STATUS Menu End of Submenu (NEXT) to Enter STATUS • Press Next/Previous keys to navigate. COMPRESSOR STATUS SUBMENU SCREENS Used With: Units w/DX Cooling Compressor Status Submenu Press ENTER to View Data in This Submenu • Press the Next key to skip this Submenu. Note: Combinations of the following screens will be shown based on unit cooling capacity option.
  • Page 31 STATUS Menu Used With: IPakII DX Cooling Ckt 1 Compr Relay K11: Possible Values: Enabled Compressor Relay: K11: 1 Compressor Note: There will be 2 screens shown for the configuration, one for K12: 2 Compressor K11 and one for K12. Top Right Field: ON, OFF, LOCKED Bottom Field:...
  • Page 32 STATUS Menu Used With: DX Cooling Circuit 1 Evap Diff: 5.0°F Possible Values: Enter Evap: 48.5°F Leave Evap: 53.5°F Evap Diff: 0.0 to 200.0ºF Enter Evap: -40.0 to 200.0ºF "Evap Diff:" and associated value not displayed if: Leave Evap: -40 to 200.0ºF 1.
  • Page 33 STATUS Menu Used With: DX Cooling > 40Ton Circuit 2 Cond Fan Staging Possible Values: K5: ON K6: ON Stage 4 K5: ON, OFF; K6: ON, OFF “K6:” status not displayed and maximum stage is 1 on water- Bottom Right Field: cooled condenser units.
  • Page 34 STATUS Menu Used With: DX Cooling w/Water-Cooled Condenser Sump Drain Relay: Condensers Condenser Sump Drain Valve: CLOSED Possible Values: Sump Drain Relay: ON, OFF “Relay” and “Valve” states are configurable based on the need to hold water in the sump or drain it on power loss. See the IOM, and Sump Drain Valve: CLOSED, OPEN “...
  • Page 35 STATUS Menu End of Submenu (NEXT) to Enter STATUS • Press Next/Previous keys to navigate. ECONOMIZER STATUS SUBMENU SCREENS Used With: Units w/Economizer Economizer Status Submenu Press ENTER to View Data in This Submenu • Press the Next key to skip this Submenu. Used With: Units w/Economizer Air Economizing: ENABLED...
  • Page 36 STATUS Menu OUTSIDE AIR VENTILATION STATUS SUBMENU SCREENS Used With: Units w/Fresh Air Options Outside Air Ventilation Status Submenu Press ENTER to View Data in this Submenu • Press the Next key to skip this Submenu. Used With: All Units Demand Control Ventilation is ENABLED Possible Values:...
  • Page 37 STATUS Menu Used With: Units w/Fresh Air Options Outside Air Damper Target: 27 % Possible Values: 0 to 100% Outside Air Damper Position: 24 % • Press Next/Previous keys to navigate. Used With: Fresh Air Measurement VCM Preheater Output Control: (VCM) w/DCV or OA Damper Min Position VCM Module Aux Temp Input: 47.2 °F...
  • Page 38 STATUS Menu Used With: Units w/Return Fan Option Max Return Plenum Pressure Stp: 1.2 IWC Possible Values: High Limit: 3.5 IWC Deadband: 0.2 IWC Pressure Stp: 0.1 to 2.5 IWC • Press Next/Previous keys to navigate. Deadband: 0.1 to 1.0 IWC High Limit: 3.5 IWC (non-adjustable) End of Submenu (NEXT) to Enter STATUS •...
  • Page 39 STATUS Menu Used With: Units w/SZVAV(VVZT) Active SA Min Target Setpoint: 50.0 °F Option Active SA Target Low Limit: 38.4 °F Possible Values: MinTarget: Equal to SA Heating The Target Low Limit is a calculated value which corresponds to the Setpoint Maximum Fan Speed during cooling (see SA Target Setpoint on previous screen).
  • Page 40 STATUS Menu CONTROLLING SETPOINT STATUS SUBMENU SCREENS Used With: All Units Controlling SETPOINT Status Submenu Press ENTER to View Data in This Submenu • Press the Next key to skip this Submenu. Used With: VVDA or CVDA Units Active Supply Air Cooling STP From Possible Values: HI (KEYPAD) SETPOINT MENU 55°F...
  • Page 41 STATUS Menu Used With: CVZT w/Heat, VV/CVDA w/ Active Occupied Zone Heating STP From DWU or MWU Installed HI (KEYPAD) SETPOINT MENU 71°F Possible Values: HI (KEYPAD) SETPOINT MENU ZONE SENSOR SETPOINT INPUT NSB PANEL SETPOINT INPUT GBAS 0-5 VDC MODULE GBAS 0-10 VDC MODULE BAS/NETWORK Range: 50 to 88ºF...
  • Page 42 STATUS Menu Used With: Units w/Dehumid. Option Active Occ Dehumidification Setpt From Possible Values: HI (KEYPAD) SETPOINT MENU HI (KEYPAD) SETPOINT MENU GBAS 0-5 VDC MODULE GBAS 0-10 VDC MODULE BAS/NETWORK • Press Next/Previous keys to navigate. Range: 40 to 65% Used With: Units w/Dehumid.
  • Page 43 STATUS Menu Used With: Units w/Economizer Active Econ DB Enable Setpoint From Possible Values: HI (KEYPAD) SETPOINT MENU 75°F HI (KEYPAD) SETPOINT MENU GBAS 0-5 VDC MODULE GBAS 0-10 VDC MODULE BAS/NETWORK • Press Next/Previous keys to navigate. Range: 40 to 90ºF Used With: Units w/0-25% Motorized Active OA Damper Min Position STP From Damper, or Economizer and OA CFM...
  • Page 44 STATUS Menu Used With: Units w/Fresh Air Active Min OA Flow Target From Measurement (VCM) w/DCV Option VCM Module is 120.5 CCFM Possible Values: VCM Module BAS/NETWORK Range: 0 to Max Unit Airflow [See “Table 7. Max Unit Airflows" on page 90”...
  • Page 45 STATUS Menu CONTROLLING SENSOR STATUS SUBMENU SCREENS Used With: All Units Controlling Sensor Status Submenu Press ENTER to View Data in This Submenu • Press the Next key to skip this Submenu. Used With: All Units Active Supply Air Temp Sensv Input From Possible Values: BAS/NETWORK 50.0°F...
  • Page 46 STATUS Menu Used With: Units w/Rapid Restart. Active Rapid Restart Sensor Input From Possible Values: ECEM RETURN AIR TEMP INPUT 82.0°F [See “Possible Values:” Above] • Press Next/Previous keys to navigate. Used With: Units w/Fresh Air Active Space CO Sensor Input From Measurement (VCM) w/DCV, or CO VCM SPACE CO INPUT...
  • Page 47 STATUS Menu Used With: VVDA or Units w/Supply Air Active Supply Air Press Input From Pressure Sensor Present RTM SA PRESSURE INPUT 2.1 IWC Possible Values: RTM SA PRESSURE INPUT BAS/NETWORK Range: 0 to 7.9 IWC • Press Next/Previous keys to navigate. Used With: Units w/Statitrac Option Active Space Pressure Input From Possible Values:...
  • Page 48 STATUS Menu Used With: Units w/NSB Panel Installed Temp Measured By Sensor Connected To NSB PANEL TEMP SENSOR INPUT 79.5°F • Press Next/Previous keys to navigate. Used With: All Units Temp Measured By Sensor Connected To RTM AUX TEMP INPUT 62.0°F •...
  • Page 49 STATUS Menu Used With: All Units IntelliPak II Config Input: CLOSED Possible Values: OPEN/CLOSED Dehumidification Config Input: OPEN • Press Next/Previous keys to navigate. Used With: All Units RTM Supply Airflow Proving: FLOW Possible Values: Flow, No Flow RTM Exhaust Airflow Proving: FLOW Bottom Left Field: “RTM Exhaust…”...
  • Page 50 STATUS Menu Used With: Units w/Fresh Air VCM Outside Air Flow Input 350.0 CCFM Measurement (VCM) Possible Values: 0 to Max Unit Air Flow [See “Table 7. Max Unit Airflows" on page • Press Next/Previous keys to navigate. 90” in the Setpoints Section] Used With: Units w/Fresh Air VCM CO Level Input...
  • Page 51 STATUS Menu Used With: Units w/GBAS (5VDC) GBAS 0-5VDC Module Input 1 0.00 VDC Installed Assigned: Not Assigned Possible Values: Input: 0.0 to 5 VDC Bottom Right Field: Note: There will be 4 screens shown for this configuration. The first screen will be for Input 1 setpoint assignment.
  • Page 52 STATUS Menu End of Submenu (Next) to enter Status • Press Next/Previous keys to navigate. GBAS (10VDC) MODULE STATUS SUBMENU SCREENS Used With: Units w/GBAS (10VDC) GBAS (10VDC) Module Status Submenu Installed Press ENTER to View Data in This Submenu •...
  • Page 53 STATUS Menu Used With: Units w/GBAS (10VDC) GBAS (10VDC) Analog Output 1 0.00 VDC Installed Assigned: NOT ASSIGNED Possible Values: Output: 0.0 to 10.0 VDC Note: There will be 5 screens shown for this configuration. The first screen will be for Output 1 parameter assignment. The next Bottom Right Field: screens will be identical and will show parameter assignments for NOT ASSIGNED...

  • Page 54: Setup Menu

    SETUP Menu After the unit is installed, the control modules must be programmed with certain setup information in order to operate and function properly. The data necessary for unit operation will vary depending on certain factors such as unit size, type, and installed options.
  • Page 55 SETUP Menu Used With: If Remote Panel Mode Input Not Present: System Mode: All Units System Mode: AUTO Supply Fan Mode: AUTO Supply Fan Mode: CV SZVAV • Press Next/Previous keys to navigate. Factory Presets: System: AUTO Supply Fan: AUTO Possible Values: System: OFF, AUTO Supply Fan: ON, AUTO...
  • Page 56 SETUP Menu Used With: Units w/DX Cooling, or Air Unocc Mech Cooling Function: ENABLED Handler w/Chilled Water, and w/Heat Unocc Heating Function: ENABLED Installed Factory Presets: ENABLED “Unocc Heating Function” only shown if unit has heat installed. Possible Values: ENABLED, DISABLED •...
  • Page 57 SETUP Menu Used With: All Units Evap Temperature Limit. Shut Off Circuit Factory Preset: 35ºF if (Leaving - Entering) Exceeds: 35ºF Possible Values: 25 to 40ºF Note: On units with Dehumidification installed a non-adjustable Evap Temperature Limit of 40ºF is used for the Reheat Circuit only. •...
  • Page 58 SETUP Menu Used With: Units w/SA Cooling Reset Supply Air Temp Zone Reset For Cooling: Type Set to “ZONE” Start Temp: 72ºF End Temp: 69ºF Factory Presets: Start Temp: 72ºF End Temp: 69ºF Possible Values: Start Temp: 51 to 90ºF End Temp: 50 to 89ºF •...
  • Page 59 SETUP Menu Used With: Units w/SA Heating Reset Supply Air Temp Zone Reset For Heating: Type Set to “ZONE” Maximum Amount of Reset Applied: 10ºF Factory Presets: 10ºF Possible Values: 10 to 90ºF • Press Next/Previous keys to navigate. Used With: Units w/SA Heating Reset Supply Air Temp OA Reset For Heating: Type Set to “OA”...
  • Page 60 SETUP Menu ECONOMIZER CONTROL FUNCTIONS SUBMENU SCREENS Used With: Units w/Economizer Option Economizer Control Functions Submenu Press ENTER to Review or Adjust • Press Next/Previous keys to navigate. Used With: Units w/Economizer Option Economizer Ctrl Enable Type: REFERENCE Factory Presets: REFERENCE When Comparative Enthalpy Not Available Possible Values: REFERENCE, DRYBULB...
  • Page 61 SETUP Menu Used With: Units w/Water-Cooled Sump Water Heater Setpoint: 38°F Condensers and Sump Heat Installed Low Sump Temp Activates Heater Output Factory Preset: 38ºF Possible Values: 38 to 43ºF • Press Next/Previous keys to navigate. Used With: Units w/DX Cooling Cond Temp Control Band Factory Presets: Lower Limit:...
  • Page 62 SETUP Menu SENSOR SOURCE SELECTIONS SUBMENU SCREENS Used With: All Units. Sensor Source Selections Submenu Press ENTER to Review or Adjust • Press the Next key to skip this Submenu. Used With: Units w/DWU ENABLED For Daytime Warmup Temp Crtl, Use sensor Factory Preset: RTM ZONE TEMP INPUT Connected to: RTM ZONE TEMP INPUT Possible Values:...
  • Page 63 SETUP Menu Used With: Units w/Dehumid. Option For Dehumid OVRD Zone Temp, Use Sensor Factory Preset: RTM ZONE TEMP INPUT Connected To: RTM ZONE TEMP INPUT Possible Values: [See “DWU Source Selection” Above] • Press Next/Previous keys to navigate. Used With: All Units For Zone Reset Function, Use Sensor Factory Preset: RTM ZONE TEMP INPUT Connected To:...
  • Page 64 SETUP Menu Used With: CVZT or VVZT Units w/DCV DCV Active Supply Fan Control: ENABLED set to ENABLED. Allow Supply Fan to Energize for DCV Factory Preset: DISABLED Possible Values: DISABLED, ENABLED, Bottom Field: If ENABLED: “Allow Supply Fan to Energize for DCV”...
  • Page 65 SETUP Menu Used With: Units w/Return Fan and Maximum OA Flow at Design Conditions Fresh Air Measurement (VCM) w/DCV, OA Normalization: 350 CCFM Units w/Energy Recovery Wheel Option Factory Preset: 1 CCFM Possible Values: 0 to Max Unit Airflow [See “Max Unit Airflows” in Setpoints Section Below] •...

  • Page 66: Emergency Override Definitions (With Lci Or Bci Module Installed)

    SETUP Menu Emergency Override Definitions (with LCI or BCI module installed) When an LCI or BCI module is installed, the user can initiate one of five (5) Emergency Override sequences that have the following predefined unit operation via LonTalk or BACnet Communication: PRESSURIZE •...
  • Page 67 SETUP Menu • Heat - All heat stages Off (staged gas and elec.); Hydronic heat & Mod Gas Heat output at 0%. • Occupied/Unoccupied output - De-energized • VO Relay - Energized (with VOM module installed) • VCM Preheater State - Off (with VCM installed) FIRE •...
  • Page 68 SETUP Menu Ventilation Override Mode C - (Exhaust) • Supply Fan – Off • Inlet Vanes - Closed (if equipped) • Return Fan / Exhaust Damper – On / Open (if equipped) • Return Fan VFD – Max • OA Dampers – Closed •...
  • Page 69 SETUP Menu VENTILATION OVERRIDE MENU SCREENS Used With: Units w/VOM Installed Ventilation Override Definitions Press ENTER to Review or Adjust • Press the Next key to skip this Submenu. Used With: Units w/VOM Installed Ventilation Override Definition Mode A Possible Values: ON, OFF Supply Fan •...
  • Page 70 SETUP Menu Used With: Units w/VOM and Heat Ventilation Override Definition Mode A Installed Heat Possible Values: OFF, IN CONTROL • Press Next/Previous keys to navigate. Used With: Units w/ and OA Preheater Ventilation Override Definition Mode A Function Enabled VCM Preheater State IN CONTROL Possible Values: OFF, IN CONTROL...
  • Page 71 SETUP Menu GBAS 0-5VDC MODULE I/O ASSIGNMENTS SCREENS Used With: Units w/GBAS(5VDC) Installed GBAS (5VDC) Module I/O Assignments Press ENTER to Review or Adjust Press the Next key to skip this Submenu. Used With: Units w/GBAS(5VDC) GBAS (5VDC) Analog Input 1 Assignment Installed.
  • Page 72 SETUP Menu Used With: All Units w/GBAS(5VDC) Assign Diagnostic to Alarm Output Installed Any Active Diagnostic (Yes) Possible Values: Yes, No Note: If “Yes” is selected at this screen, any active diagnostic will activate this output. A selection of “No” will allow the user to choose, from the following menus, which diagnostics activate the Alarm Output.
  • Page 73 SETUP Menu Used With: Units w/GBAS(10VDC) GBAS (10VDC) Analog Input 1 Assignment Installed NOT ASSIGNED Factory Presets: NOT ASSIGNED Note: There are 3 additional screens associated with Input Possible Values: Assignments; “Analog Input 2”, “Analog Input 3”, and “Analog Input [See “Possible Values”...
  • Page 74 SETUP Menu Used With: Units w/GBAS(10VDC) Assign Diagnostic to Alarm Output RTM Zone Temp Sensor Failure (Yes) Selecting “Yes” for each of the diagnostics displayed will activate the associated Alarm Output when that diagnostic is activated. Note: The list of diagnostics displayed here will be dependent upon the module assignments selected.
  • Page 75 SETUP Menu RTM ALARM OUTPUT DIAGNOSTIC ASSIGNMENTS SCREENS Used With: All Units RTM Alarm Output Setup Submenu Press ENTER to Review or Adjust • Press the Next key to skip this Submenu. If Enter was pressed, proceed to the following 3 screens. Used With: All Units Assign Diagnostic to Alarm Output? Possible Values: Yes, No...
  • Page 76 SETUP Menu Temperature Input Calibration Screens The following five (5) Offset screens are used only if calibration of a sensor designated to perform the listed function is necessary. Example: If the temperature sensor for Morning Warm Up (MWU) is checked and a difference between the actual measured room temperature and the corresponding measured sensor value is found, by programming the amount of error into the Temperature Input Offset for Morning Warm Up (MWU) Heat —...
  • Page 77 SETUP Menu DEVICE CHARACTERISTICS SETUP DEFINITIONS SCREENS Used With: All Units Device Characteristic Setup Definitions Press ENTER to review or Adjust • Press Next/Previous keys to navigate. Used With: Units w/OA Damper Actuator Setup OA Damper Factory Presets: 30 Sec Max Stroke Time 30 Sec Possible Values: 1 to 255 Sec...
  • Page 78 SETUP Menu Used With: VVDC Units Actuator Setup Supply Fan IGV/VFD Cmd Factory Presets: 10.0 VDC Max Voltage 10.0 VDC Possible Values: 0 to 10.0 VDC • Press Next/Previous keys to navigate. Used With: VVDC Units Actuator Setup Supply Fan IGV/VFD Cmd Factory Presets: DIRECT ACTING Direct/Reverse Act DIRECT ACTING...
  • Page 79 SETUP Menu Used With: Units w/Power Exhaust Actuator Setup Exhaust Damper/VFD Factory Presets: 10.0 VDC Max Voltage 10.0 VDC Possible Values: 0 to 10.0 VDC • Press Next/Previous keys to navigate. Used With: Units w/Power Exhaust Actuator Setup Exhaust Damper/VFD Factory Presets: DIRECT ACTING Direct/Reverse Act DIRECT ACTING...
  • Page 80 SETUP Menu Note: Only one of the following two screens will be shown based on condenser type. Used With: Units w/DX Cooling, w/Air- Actuator Setup Num 1 Low Ambient Cooled Condensers Min Voltage 2.0 VDC Factory Presets: 2.0 VDC Possible Values: 0 to 10.0 VDC Used With: Units w/DX Cooling, w/ Actuator Setup Cond Fan VFD Ckt 1...
  • Page 81 SETUP Menu Note: Only one of the following two screens will be shown based on condenser type. Used With: Units w/DX Cooling, w/Air- Actuator Setup Num 2 Low Ambient Cooled Condensers Max Stroke Time 60 Sec Factory Presets: 60 Sec Possible Values: 1 to 255 Sec Used With: Units w/DX Cooling, w/ Actuator Setup...
  • Page 82 SETUP Menu Used With: Units w/DX Cooling, w/ Actuator Setup Cond Fan VFD Ckt 2 Water-Cooled Condensers Direct/Reverse Act DIRECT ACTING Factory Preset: DIRECT Possible Values: DIRECT, REVERSE • Press Next/Previous keys to navigate. Used With: All Rooftop Units and Air Actuator Setup Modulating Gas Heat Handlers when Modulating Gas is...
  • Page 83 • Press Next/Previous keys to navigate. CONTROL ALGORITHM TUNING PARAMETERS SCREENS (Partial) Control Algorithm Tuning Parameters Press ENTER to Review or Adjust Note: Contact the Trane Company before making any adjustment to these settings. • Press Next/Previous keys to navigate. RT-SVP07B-EN...
  • Page 84 SETUP Menu Used With: All IntelliPak units with SZVAV Cooling Control Gains SZVAV Installed. Proportional 6.0 %/F Reset Time 1200 Sec Factory Preset: Prop: 6.0 Note: This screen must be changed on field replacement of the RTM Module. Reset: 1200 Possible Values: •...

  • Page 85: Setpoint Menu

    SETPOINT Menu The setpoint menu is used to designate default zone temperature setpoints, supply air and space pressure setpoints, and low ambient compressor lockout setpoints. These setpoints will be active (in use) for the “Setpoint Source Selection” designated as “DEFAULT” for these inputs. When a setpoint screen is displayed for 30 minutes without a key being pressed, the LCD screen will revert to the general operating status display.
  • Page 86 SETPOINT Menu Used With: CVZT or VVZT Units, or VV/ Default Occupied Zone Temp Setpoints CVDA Units w/DWU or MWU Enabled Cool: 74°F Heat: 71°F Factory Presets: Cool: 74ºF “Cool” setpoint shown for CVZT units. “Heat” setpoint shown for CVZT w/heat installed, or VV/CVDA units with DWU or MWU Heat: 71ºF enabled.
  • Page 87 SETPOINT Menu Used With: Units w/Dehumidification Stop Dehumid if Space RH Below STP Minus Option Occ Dehumid Hysteresis Offset: Factory Preset: 5 % Possible Values: 3 to 10 % • Press Next/Previous keys to navigate. Used With: Units w/Dehumidification Dehumidify if Space Humidity Above Option and Unocc Dehumid.
  • Page 88 SETPOINT Menu Used With: Units w/Humidification Humidify if Space Humidity Below Option Occ Humidification Setpoint: Factory Preset: 30 % Possible Values: 20 to 50 % • Press Next/Previous keys to navigate. Used With: Units w/Humidification Stop Humid if Space RH Above STP Plus Option Occ Humid Hysteresis Offset: Factory Preset: 5 %...
  • Page 89 SETPOINT Menu Used With: Units w/Economizer Reference Enthalpy. Enable Air Econ Factory Presets: 25 BTU/LB When OA Enthalpy is Below: 25 BTU/LB Possible Values: 19 to 28 BTU/LB Note: This Setpoint is used when Comparative Enthalpy is not installed or is invalid due to return air humidity or temperature is out of range or failed.
  • Page 90 SETPOINT Menu Used With: Units w/Fresh Air Default Design Min OA Flow Stp: 350 CCFM Measurement (VCM) w/DCV Default DCV Min OA Flow Setpt: 150 CCFM Factory Preset: 220 CCFM Ovrd to 112 CCFM for 90 and 105 Ton Ovrd to 146 CCFM for 120 and 130 Ton Possible Values: Design Min OA Flow: 0 to 585 CCFM DCV Min OA Flow: 0 to 585 CCFM...
  • Page 91 SETPOINT Menu Used With: Units w/OA Damper, And OA Default Design Min OA Damper Pos: Damper Min Pos w/DCV Option, and OA Default DCV Min OA Damper Pos Stp: CFM Compensation Disabled. Factory Presets: Design Min OA Damper: 15 % DCV Min OA Damper: 10 % •...
  • Page 92 SETPOINT Menu Used With: VV/CVDA or VVZT Units Default Supply Air Pressure: 2.0 IWC Factory Presets: High Limit: 4.0 IWC Deadband: 0.5 IWC Setpoint: 2.0 IWC High Limit: 4.0 IWC Deadband: 0.5 IWC “Default Supply Air Pressure” and “Deadband” shown for VVDA. Possible Values: (IPak II) “High Limit”...
  • Page 93 SETPOINT Menu Used With: Units w/Power Exhaust Exhaust Enable Point. Enable Exhaust Fan Option When Outside Air damper is Above: Factory Presets: 25 % Possible Values: 0 to 100 % • Press Next/Previous keys to navigate. Used With: Units w/Power Exhaust, w/ Exhaust Disabled When OA Damper is Below Return Fan Option Exhaust Inhibit Point:...
  • Page 94 SETPOINT Menu Used With: VV/CVDA or VVZT Units For Supply Air Temp Cooling Control, Use Possible Values: Setpoint From: HI (KEYPAD) SETPOINT MENU HI (KEYPAD) SETPOINT MENU ZONE SENSOR SETPOINT INPUT NSB PANEL SETPOINT INPUT GBAS (5VDC) MODULE • Press Next/Previous keys to navigate. GBAS (10VDC) MODULE Used With: VV/CVDA or VVZT Units w/ For Supply Air Temp Heating Control, Use...
  • Page 95 SETPOINT Menu Used With: Units w/Heat Installed For Morning Warmup Temp Control, Use Possible Values: Setpoint From: HI (KEYPAD) SETPOINT MENU HI (KEYPAD) SETPOINT MENU NSB PANEL SETPOINT INPUT GBAS (5VDC) MODULE • Press Next/Previous keys to navigate. GBAS (10VDC) MODULE Used With: Units w/Economizer Option For Economizer Dry Bulb Enable, Use Possible Values:...
  • Page 96 SETPOINT Menu Used With: Units w/Humidification For Unocc Humidification Control, Use Option Setpoint From: HI(KEYPAD) SETPOINT MENU Possible Values: [Same as “Possible Values” Above] • Press Next/Previous keys to navigate. Used With: Units w/Dehumidification For Supply Air Reheat Control, Use Option Setpoint From: HI(KEYPAD) SETPOINT MENU Possible Values:...

  • Page 97: Configuration Menu

    CONFIGURATION Menu The electronically controlled unit has many operating functions whose settings are preset at the factory. The following configuration programming steps are provided for those cases where the modules have been replaced after the unit has been in operation and must be reconfigured. Refer to the Model number stamped on the unit nameplate located on the control panel door while scrolling through the configuration screens.
  • Page 98 CONFIGURATION Menu Used With: All Units. Configuration - Model Num Digit Possible Values: Heating Type: ELECTRIC HYDRONIC EXTERNAL HEAT • Press Next/Previous keys to navigate. NONE (COOLING ONLY) Used With: All Units w/DX Cooling Configuration - Model Num Digit 5, 6, 7 Possible Values: Unit Capacity: Multiple Selections: 20 through 162...
  • Page 99 CONFIGURATION Menu Used With: Units with GBAS(5VDC) Configuration - Model Num Digit 17 or 20 Hardware Configuration - SZVAV. Single Zone VAV VVZT: INSTALLED Possible Values: Note: Single Zone VAV (VVZT) functionality can be inhibited by INSTALLED setting this parameter to NOT INSTALLED. If set to NOT NOT INSTALLED INSTALLED the unit will perform CVZT control.
  • Page 100 CONFIGURATION Menu Used With: All Units Configuration - Model Num Digit 21 or 31 Possible Values: Ventilation Ctrl (VCM) CONFIG REQ'D Vent. Ctrl (VCM) NOT INSTALLED Fresh Air Meas. (VCM)w/DCV OPTION Notes: OA Damp Min Pos (VCM)w/DCV 1. A VCM module will be required installed if: “Fresh Air OPTION Measurement (VCM) w/DCV OPTION”...
  • Page 101 CONFIGURATION Menu Used With: All IntelliPak Units Configuration - Model Num Digit 30 or 22 Possible Values: Dehumid w/ Hot Gas Reheat: NOT INSTALLED NOT INSTALLED Note: “Dehumid w/Hot Gas Reheat” is INSTALLED if the INSTALLED configuration jumper in the wire harness of the RTM module is installed.
  • Page 102 CONFIGURATION Menu Used With: Units with GBAS(5VDC) Configuration - Model Num Digit 21 or 34 Hardware Configuration - Rapid Restart Rapid Restart: INSTALLED Possible Values: Note: Rapid Restart functionality can be inhibited by setting this INSTALLED parameter to NOT INSTALLED. If set to NOT INSTALLED the unit NOT INSTALLED will perform DX staging at restart.
  • Page 103 CONFIGURATION Menu Used With: All Units Software Revision Number: INVALID Possible Values: 24.00 Top Right Field: [blank], INVALID Note: “INVALID” is shown if the software version for the module Bottom Right Field: xx.yy specified is not correct for a unit configuration. If this is the case where: the module will have to be replaced before the unit will be allowed xx is the primary version: 0 to 255...
  • Page 104 CONFIGURATION Menu Used With: All Units Software Revision Number: INVALID Possible Values: Heat Module 11.00 [See “RTM Possible Values” Above] Note: See RTM above for discussion on INVALID. • Press Next/Previous keys to navigate. Used With: All Units Software Revision Number: INVALID Possible Values: Unit Human Interface (HI)

  • Page 105: Service Mode Menu (Local Human Interface Only)

    SERVICE MODE Menu (Local Human Interface only) The SERVICE MODE menu is used to input operating parameters for unit operation during a service test. Depending on the particular test being conducted, the user will cycle through all unit outputs (compressors, fans, dampers, heaters, etc.) and selectively turn them “On”...
  • Page 106 SERVICE MODE Menu (Local Human Interface only) Used With: Units w/Return Fan Option Supply Fan OFF IGV/VFD Cmd Possible Values: Return Fan OFF VFD Cmd Fan: OFF, ON, AUTO IGV/VFD: 0 to 100% Note: VFD: 0 to 100% The “Return Fan” field is not manually setable but will automatically change as the “Supply Fan”...
  • Page 107 SERVICE MODE Menu (Local Human Interface only) Used With: Units w/Energy Recovery End Of Submenu (NEXT) For Service Mode Option • Press Next/Previous keys to navigate. Notice Compressor Failure! Unit must be powered and crankcase heaters energized at least 8 hours BEFORE compressors are started. This will protect the compressors from premature failure.
  • Page 108 SERVICE MODE Menu (Local Human Interface only) Used With: Units w/Water-Cooled Condenser Sump Drain Relay: Condensers Condenser Sump Drain Valve: CLOSED Possible Values: Relay: OFF, ON Table 7: Sump Drain Valve States Valve: CLOSED, OPEN (Display Only) Drain Relay Cmd Power Loss Config Valve State Note: The valve state is based on the...
  • Page 109 SERVICE MODE Menu (Local Human Interface only) Used With: Units w/DX Cooling and Condenser Fan Speed (MCM 1) Airside Condensers Installed Circuit 1 Circuit 2 Possible Values: AUTO, 0 to 100% Note: “Circuit 2” only shown for DX Cooling > 40 Tons. •...
  • Page 110 SERVICE MODE Menu (Local Human Interface only) Used With: All Units w/DX Cooling End Of Submenu (NEXT) For Service Mode • Press Next/Previous keys to navigate. Used With: Air Handlers w/Chilled Relay State = HEAT ON Water Cooling and Hydronic Heat Hydro Heat/Chilled Water Output Possible Values: Relay State:...
  • Page 111 SERVICE MODE Menu (Local Human Interface only) Used With: Modulating Gas Heat Units, Modulating Gas Heat (If Air Handler Unit, Chill Water Is Not Actuator Installed) Possible Values: 0 to 100% • Press Next/Previous keys to navigate. Used With: Units w/Staged Gas or Heat Stages: 0 Electric Heat Option K11: OFF...
  • Page 112 SERVICE MODE Menu (Local Human Interface only) Used With: Units w/GBAS(10VDC) GBAS 0-10VDC Module Relay Outputs Option #1 OFF Possible Values: ON, OFF • Press Next/Previous keys to navigate. Used With: Units w/GBAS(10VDC) GBAS 0-10VDC Module Analog Outputs Option Possible Values: 0 to 10.0 v (volts) Press the Next key to navigate forward.

  • Page 113: Diagnostics Menu

    DIAGNOSTICS Menu The DIAGNOSTICS menu is used to view diagnostics that have resulted from system failures within the unit. There are two lists where diagnostics reside; the Active List, and the Diagnostic Event Log. The Active List is used for viewing all active diagnostics and for clearing diagnostics that can be manually reset. These lists of diagnostics are displayed after pressing the Diagnostics key if active diagnostics are present.
  • Page 114 DIAGNOSTICS Menu Resetting Active Manual Diagnostics Sending Reset Request Note: Once the clear diagnostic request is sent to all the modules, the following screen will be displayed… Resetting Active Manual Diagnostics Updating Unit Data, Please wait Note: Once the unit data has been updated, the following screen will be displayed…...
  • Page 115 DIAGNOSTICS Menu Used With: All units Active Diagnostic -- Auto Reset Factory Presets: N/A OA Temp Sensor Failure More Possible Values: [Auto Reset] Note: The word “More” will only appear if more than one failure Auto Reset Return Pressure Limit is occurring.
  • Page 116 DIAGNOSTICS Menu Used With: All units Active Diagnostic -- Info Factory Presets: N/A Dirty Recovery Filter More Possible Values: [Information Only] Note: The word “More” will only appear if more than one failure Heat Fail is occurring. Press the Next key to view the remaining diagnostics Dirty Filter if any exist.
  • Page 117 DIAGNOSTICS Menu Used With: All units Active Diagnostics ---- Info Factory Presets: N/A "Diagnostic Buffer Is Already Empty!" Possible Values: Manual, Auto, or Info Note: Press the Auto or Stop key to return to the top level status screen. Communication Link Problems Note: If one of the following 2 screens appear, the Human Interface is not communicating properly with the unit.
  • Page 118 DIAGNOSTICS Menu Used With: All Units w/Remote Human IMPROPER HUMAN INTERFACE CONFIGURATION Interface Option MORE THAN ONE REMOTE HI ON LINK Problem: Noisy Communications link or a second Remote HI has been installed on the link. Check: Field/Unit wiring between Remote Human Interface and the IPCB and RTM.

  • Page 119: Diagnostics

    DIAGNOSTICS Menu Diagnostics There are four types of diagnostics: 1. (PMR) Partial System Disable, Manual Reset 2. (PAR) Partial System Disable, Auto Reset 3. (INFO) Information Only 4. (HO) History Only The Troubleshooting Chart below list all of the possible failure modes with the following columns: Used With: Diagnostic Displayed: The string displayed at the HI, associated module, and “used with”...
  • Page 120 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) BAS/Network Comm Problem: The LCI or BCI All active commands and (PAR) An automatic reset Failure has lost communications control setpoints provided occurs after with the Network for > 15 by the network, through communication between minutes.
  • Page 121 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Compressor Trip Problem: The compressor All compressors on the (PMR) A manual reset is (Ckt-1 or Ckt-2) proving input for the given associated circuit will be required after this circuit has been detected locked out and prevented diagnostic occurs.
  • Page 122 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Cond Sump Max Level Problem: The condenser The Cond Sump Fill Relay (PAR) Once the Cond Sump Failure sump water level reaching will be de-energized. Max Level Switch input is the Cond Sump Max Level open for 120 continuous Switch is considered an seconds the diagnostic will...
  • Page 123 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Condenser Sump Min Problem: The Sump Min A compressor lockout is (PMR) A manual reset is Level Short Cycle Failure Level Input has opened generated on all circuits. required anytime after the three times without 60 diagnostic is set to re- seconds of continuous...
  • Page 124 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) ECEM Communications Problem: The RTM has lost On units w/ Comparative (PAR) An automatic reset Failure communications with the Enthalpy option, the occurs after ECEM. Economizer Enable communication has been Enthalpy function will restored.
  • Page 125 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Entering Evaporator Problem: The Entering The Low Charge Protection (PAR) An automatic reset Temperature Sensor Evap Temp Sensor input for function (either Ckt-1 or occurs after the entering Failure (Ckt-1 or Ckt-2) the given circuit is out of Ckt-2) is disabled on units Evaporator Temperature...
  • Page 126 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) GBAS 0-5VDC Module Problem: The RTM has lost The UCM will initiate the (PAR) An automatic reset Communications Failure communications with the following actions: occurs after GBAS(5VDC) Module. communication has been a. Any Demand Limit restored.
  • Page 127 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Heat Failure Problem: The Gas or An Information Only (INFO) An automatic reset Electric heat controls has diagnostic is set. occurs after the Heat Fail failed or has marginal input remains open for 210 performance and the Heat seconds continuously.
  • Page 128 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) High Superheat Problem: DX cooling An Information Only (PAR) An automatic reset (Ckt-1 or Ckt-2) operation has been active diagnostic is set. occurs after the difference for 10 minutes on the given in the entering and leaving circuit, and the difference evaporator temperature is...
  • Page 129 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Low Pressure Control Problem: The LPC Switch A “Lockout Circuit” request (PMR) A manual reset is Open (Ckt-1 or Ckt-2) Input on the given circuit is is issued to the given required anytime after the detected open for at least 6 circuit’s compressor Diagnostic is set.
  • Page 130 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Manual Reset Space Problem: The building’s The unit will trip all outputs, (PMR) A manual reset is Press Low Limit Trip space pressure has de-energize dx cooling, required anytime after the dropped below the Building staged heating, fans, etc., Diagnostic is set.
  • Page 131 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Minimum Outdoor Air Problem: The GBAS input The Active Minimum OA (PAR) An automatic reset Flow Setpoint Failure assigned to Minimum Flow Setpoint reverts to the occurs after the Minimum Outdoor Air Flow Setpoint default Minimum OA Flow OA Flow Setpoint input is out of range.
  • Page 132 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) NSB Panel Zone Temp Problem: The NSB Panel's a. If the external sensor (PAR) An automatic reset Sensor Failure zone temp sensor input is has failed the NSB will occurs after the NSB out of range.
  • Page 133 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Occupied Humidification Problem: The GBAS input The Active Occupied (PAR) An automatic reset Setpoint Failure assigned to Occupied Humidification Setpoint occurs after the GBAS input Humidification Setpoint is assigned to the Occupied reverts to the default out of range (Humidity <...
  • Page 134 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) RTM Space Humidity Problem: The RTM space The dehumidification and (PAR) An automatic reset Sensor Failure humidity sensor data is out humidification functions occurs after the RTM Space of range (Humidity < 1% or are disabled if the RTM Humidity Sensor input Humidity >...
  • Page 135 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Return Air Temperature Problem: The ECEM RA The Economizer Enable r.e. (PAR) An automatic reset Sensor Failure Temperature Sensor has Enthalpy function reverts occurs after the RA been assigned to at least to Reference Enthalpy Temperature input returns one function, and this...
  • Page 136 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Return Plenum Pressure Problem: The return The unit will trip all outputs, (PAR) An automatic reset Sensor Failure plenum pressure sensor de-energize dx cooling, occurs after the return input is out of range and staged heating, fans, etc., plenum pressure input one of the following is...
  • Page 137 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) SZVAV HW Problem: The The unit will not honor the (PAR) An automatic reset Configuration Failure GBAS(5VDC) hardware Single Zone VAV control occurs after the user has configuration module or sequence. The unit will accessed and followed the input has failed, or has perform normal Zone...
  • Page 138 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Space Pressure Sensor Problem: The unit is The Space Pressure Control (PAR) An automatic reset Failure reading a signal that is out function is disabled, and occurs after the designated of range for the Space the exhaust fan and the Space Pressure transducer Pressure Sensor transducer...
  • Page 139 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Supply Air Reheat Problem: The GBAS input The Active Supply Air (PAR) An automatic reset Setpoint Failure assigned to the Supply Air Reheat Setpoint reverts to occurs after the source Reheat Setpoint is out of the default Supply Air input assigned to the range (Temp<...
  • Page 140 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Supply Fan Failure Problem: There is no “OFF or “Close” requests (PMR) A manual reset is supply irflow indication are issued as appropriate to required anytime after the after the supply fan has the following functions: Diagnostic is set.
  • Page 141 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Unit HI Communications Problem: The RTM has lost A fail-safe function in the HI (INFO) An automatic reset Failure communications with the will: occurs after Unit mounted (local) communication has been a. disallow any interaction Human Interface (HI).
  • Page 142 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Unoccupied Zone Cool Problem: The source The Active Unoccupied (PAR) An automatic reset Setpoint Failure assigned to Unoccupied Zone Cooling Setpoint occurs after the source Zone Cool Setpoint is out of reverts to the default input assigned to the range (Temperature <...
  • Page 143 DIAGNOSTICS Menu Table 11: Diagnostics Troubleshooting Chart (continued) Velocity Pressure Problem: The velocity Airflow measurement will (PAR) An automatic reset Sensor Failure pressure input signal is out be disabled and the unit will occurs after the designated of range (During revert to OA CFM velocity pressure calibration: volts <...

  • Page 144: Module Input / Output Descriptions

    DIAGNOSTICS Menu Module Input / Output Descriptions Table 12. Module I/O Descriptions UNIT MODULE ANALOG INPUTS ANALOG OUTPUTS BINARY INPUTS BINARY OUTPUTS Human Interface • None • None • None • None Module (LHI or RHI) Rooftop Module • Zone Temp Sensor •...
  • Page 145 DIAGNOSTICS Menu Table 12. Module I/O Descriptions (continued) Ventilation Control • Front Velocity • Outside Air CFM • None • Preheater Relay Pressure Transducer (PCB Only) Module (VCM) • Pressure Calibration • Back Velocity Pressure Transducer • Auxiliary Temperature • Space CO Sensor Ventilation •...
  • Page 146 DIAGNOSTICS Menu Table 12. Module I/O Descriptions (continued) Generic BAS • Analog Input 1 • Analog Output 1 • Binary Input 1 • Binary Output 1 Module 10V • Analog Input 2 • Analog Output 2 Note: This input is Note: This output, (GBAS10) •...

  • Page 147: Index

    Index Diag. - Dirty Recovery Filter 123 Diag. - ECEM Comm. Fail 124 Active Setpoints 6 Diag. - Economizer DryBulb Stpt Fail 124 Diag. - Emergency Stop 124 BACnet® 6 Diag. - Energy Recovery Wheel Proof Fail 124 BAS 119 Diag.
  • Page 148 Index Diag. - Supply Air Press. Stpt Fail 138 GBAS(5VDC) 9 Diag. - Supply Air Reheat Stpt Fail 139 GBAS(5VDC) I/O Assignments Screens 71 Diag. - Supply Air Static Press. Limit Manual 129 GBAS(5VDC) Status Submenu Screens 50 Diag. - Supply Air Temp. Cool Stpt Fail 139 General Status Display Overview 13 Diag.
  • Page 149 Index List – History Diagnostics 116 RTM 8 List – Information Diagnostics 116 RTM Alarm Output Assignment Screens 75 List – Manual Diagnostics 114 Local Hardwired Input Status Submenu Screens 48 LonTalk® 7 SCM 9 Low Ambient Compressor Lockout 7 Screen Navigation Procedure 25 Sensor Source Selection Setup Submenu Screens 62 SERVICE TEST MODE Menu 105...
  • Page 150 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. © 2011 Trane All rights reserved...

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