Related Manuals for Trane UCM 4.0 and WirelessVAV Communication
Summary of Contents for Trane UCM 4.0 and WirelessVAV Communication
- Page 1 Installation/ Operator Programming UCM 4.0 and Wireless VAV Communication VAV-SVX01B-EN May 2001...
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Page 2: Table Of Contents
Contents Chapter 1 – General Information UCM Control Module 4.0 (UMC 4.0) Specifications UCM 4.0 Enhancements UCM 4.0 Features Shipping Storage Chapter 2 – VAV Start-Up/Check-Out Procedure Pre-power Up Checkout for the UCM 4.0 UCM Operational LEDs Zone Sensor Checkout Chapter 3 –... - Page 3 Contents Chapter 6 – Air and Water Balancing Air Balancing Water Balancing Chapter 7 – Wireless VAV Systems Chapter 8 – T rouble-Shooting UCM 4.0 Problems Wireless Receiver Problems Chapter 9 – Appendix VAV-SVX01B-EN...
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Page 4: Chapter 1 - General Information
General Information Chapter Overview CHAPTER 1: GENERAL INFORMATION This chapter contains information about the following Unit Control Module 4.0 Operating Environments – UCM 4.0 — Unit Control Module 4.0 (UCM 4.0) 0°– 140°F (0°– 60°C), 10% to 90% relative (UCM 4.0) humidity, non-condensing —... -
Page 5: Ucm 4.0 Features
UCM 4.0 can be configured to control can be edited in the UCM setup screen — For standalone units, series or parallel non-Trane VAV boxes. to correct the displayed value. fan operation will use the unoccupied Flow Sensor Calibration... -
Page 6: Chapter 2 - Vav Start-Up/Check-Out Procedure
VAV Start-Up/ Check-Out Procedure Chapter Overview CHAPTER 2: VAV START -UP/CHECK-OUT PROCEDURE This chapter contains information pertaining to the following: Light Emitting Diode (LED) Zone Sensor Check-out — Pre-power up check-out for the UCM Operations If an erroneous temperature is being reported to the UCM, use the Zone The UCM has one green LED located —... -
Page 7: Chapter 3 - Ucm 4.0 Installation And Wiring
UCM 4.0 Installation and Wiring CHAPTER 3: UCM 4.0 INSTALLATION AND WIRING Figures 2 – 5 show wiring diagrams for typical applications of UCM 4.0 Figure 2. Wiring Diagram for Single Duct Units with Field Installed Re-heat VAV-SVX01B-EN... - Page 8 UCM 4.0 Installation and Wiring Figure 3. Wiring Diagram for Single Duct Units with Factory Installed Electric Re-heat VAV-SVX01B-EN...
- Page 9 UCM 4.0 Installation and Wiring Figure 4. Wiring Diagram for Fan-Powered Units with Field Installed Re-heat VAV-SVX01B-EN...
- Page 10 UCM 4.0 Installation and Wiring Figure 5. Wiring Diagram for Fan-Powered Units with Factory Installed Electric Re-heat VAV-SVX01B-EN...
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Page 11: Ucm 4.0 Power Wiring
UCM 4.0 Installation and Wiring Chapter Overview UCM 4.0 Power Wiring Zone Sensor Wiring This chapter contains information Power Requirements Location and Mounting about the following: Caution: Disconnect all power external A zone sensor in each control zone — UCM 4.0 Power Wiring to the unit to prevent injury or death should be located in the most critical from electrical shock. -
Page 12: Communication Wiring
UCM 4.0 Installation and Wiring Multiple UCM’s per Auxiliary Duct Note: It is not necessary for each UCM Wire Capacitance to be connected to the line in sequential Temperature Sensor Wire capacitance must comply with the order by address. Also, multiple Up to three (3) UCMs may be con- following table: communication links may be run and... -
Page 13: Dip Switch Settings
UCM 4.0 Installation and Wiring Table 4 – DIP Switch Settings for UCM 4.0 DIP Switch Settings Eware DIP Switch SW1 contains six switches Unit # Address Dip 1 Dip 2 Dip 3 Dip 4 Dip 5 Dip 6 for addressing the UCM. These switches allow a user to set a unique communication address for each UCM. -
Page 14: Chapter 4 - Ucm 4.0 Programming And Operation
UCM Programming and Operation Chapter Overview CHAPTER 4: UCM PROGRAMMING & OPERATION This chapter contains information about the following: Morning Warm Up: Typical UCM Operating — Typical UCM Operating Behavior Tracer Summit places the UCM in heat Behavior mode and drives the UCM to maximum —... - Page 15 UCM Programming and Operation The following table briefly describes the typical behavior of various UCM configurations during normal operating modes. Unoccupied Transition to occupied Occupied Cooling Heating Morning Warm Up Morning Cool Down Cooling Heating Single Control to cooling Control to heating Tracer may place Tracer may place Control to cooling...
- Page 16 UCM Programming and Operation Calibration of Flow Sensor and Position Timed override (TOV) and cancel active and occupancy is detected, the of Valves (Air and Water) buttons are recognized if they have UCM shall transition to the occupied been pushed for at least 0.5 seconds mode of operation.
- Page 17 UCM Programming and Operation Pulse Width Modulation (PWM) Enforce Minimum Flow Set Points can be classed as “backup” . The Pulse Width Modulation (PWM) The UCM can be told not to enforce the hardwired sensor is optional and can modulates 2 stages 0 to 100% with a 3- minimum flow set point (energy saver) be classified as: minute time base.
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Page 18: Ucm Status
Note: The following screen of flow control. The UCM will use position control if the flow sensor is failed or not shots are taken from Trane EveryWare™ installed. The UCM will also use position control if the unit’s airflow rate is less than Software (Eware). -
Page 19: Ucm Set Points
UCM Programming and Operation Present Minimum Auxiliary Temperature Following are descriptions of each line on the UCM set points screen. If the UCM is using flow control, this The displayed value will reflect the line will show the present minimum auxiliary sensor temperature. - Page 20 UCM Programming and Operation Heat Offset NOTE: Unoccupied cooling and heating BP Command Position set points must be set within the cooling The set point has a range of 2° – 10°F This setting only applies to VariTrac set point high limit and the heating set (1.1°...
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Page 21: Ucm Setup
UCM Programming and Operation Fan T ype UCM SETUP This entry identifies the fan type to be In Eware, the UCM SETUP display appears as follows: controlled by the UCM (None, Series or Parallel) and shows whether the unit’s fan has been enabled or disabled. The enable/disable field on this line will not appear if the unit has a series fan and only indicates if the parallel fan has... - Page 22 UCM Programming and Operation occupancy detector, the VAV UCM will Note: See the Sequence of Operations (-0.8°C), the actual temperature used by section of this manual for details on revert back to unoccupied mode. the UCM and reported to the ICS will be However, when configured for an parallel fan operation.
- Page 23 UCM Programming and Operation Wired Thumbwheel Calib Wired Sensor Type The thumbwheel calibration offset has This line is used to edit the type of a range of -10° – 10°F (-5.6° – 5.6°C). The temperature sensor being used. The set point will be displayed with the set sensor type can be selected as either point calibration offset applied.
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Page 24: Chapter 5 - Sequence Of Operations
Sequence Of Operations Chapter Overview CHAPTER 5: SEQUENCE OF OPERATIONS This chapter describes the sequence of Single Duct Units operation of the available unit types. Unoccupied Unit operation during the available When the UCM control action is COOL, If the control mode is unoccupied override commands will also be the UCM controls the modulation of the (either as edited by software or as... -
Page 25: Parallel Fan-Powered Units
Sequence Of Operations — Drive Air Valve Fully Closed Fan-Powered Units The air valve is driven fully closed. Fan Fan Actuation Schedule and heat outputs are disabled. FAN TYPE OCCUPIED UNOCCUPIED — Drive Air Valve to Minimum Flow Series OFF if valve closed The air valve is driven to the minimum AND reheat off airflow set point. -
Page 26: Zone Sensor Ffunctions
Sequence Of Operations necessary to maintain the current The zone sensor has the following and ON (TOV) button can initiate these unoccupied set points. The fan control options: commands. point is not utilized on series units. On Zone Temperature Notes: •... -
Page 27: Failure Modes
Sequence Of Operations measurement accuracy (flow ring, Communications Failure transducer, and UCM controller) during A fifteen-minute failure in communica- the occupied mode should be +/- 8% of tions between the UCM and Tracer cataloged airflow over the typical Summit will cause the UCM to: operating range of 20% to 100% of unit —... -
Page 28: Chapter 6 - Air And Water Balancing
Air Balancing and Water Balancing Chapter Overview CHAPTER 6: AIR BALANCING & WATER BALANCING This chapter contains information about the following: command or by rotating the Zone Air Balancing sensor set point knob to the “ * “ — VAV air balancing After the unit has been mounted and all position, and hold the TOV ON button —... - Page 29 Air Balancing and Water Balancing Note: If the VAV boxes have already been Water Balancing assigned to groups and these groups are Each VAV UCM can have its hot water separate thermal zones, then the valve overridden to drive fully OPEN (2- balancing can be done on a group basis.
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Page 30: Chapter 7 - Wireless Vav Systems
It also provides better control when 1 Spread Spectrum specifications. VAV box serves multiple zones such as Trane Wireless VAV Systems apply small offices. Under the averaging spread spectrum technology to scheme, the local set point requests are accomplish wireless communication. - Page 31 Wireless VAV Systems status. Each receiver that receives this Wireless Receiver Mounting signal checks to see if any of the UCMs The receiver will work best if mounted below the ceiling grid with the antennae on its VAV link needs that sensor’s pointing down.
- Page 32 The wireless zone sensor is designed All wiring must comply with the be transmitted over the Trane VAV link. for use in a temperature control National Electric Code (NEC) and local RF signals from wireless zone sensors system, operating in conjunction with a codes.
- Page 33 Wireless VAV Systems appropriate action. In addition, a tion Link when using a CCP and up to 31 receivers may reside on a Communication twenty-four minute timer is initiated. If a Link when using a Tracer Summit. new zone temperature value is not DIP switches 6 and 7 are not used and should be set to their “ON”...
- Page 34 Wireless VAV Systems Programming and Operation Wireless Receiver Setup Using Tracer Summit 1. To setup the Receiver, go to the Main Menu of the Tracer Summit. 2. From the Main Menu, select the Setup Pull Down Menu and select the Site Configuration option. 3.
- Page 35 Wireless VAV Systems Figure 9: Create UCM’s Dialog Select a Non-Isolated Com 4 Link. Select the Wireless Receiver UCM Type. Name the Wireless Receiver, select and address, and specify the quantity of Receiver UCMs to create. Click here to create the Wireless Receiver UCM(s) Wireless Receiver Summary Using Tracer Summit This option only shows up after the wireless receiver has been setup as described above.
- Page 36 Wireless VAV Systems Figure 10: VAV UCM Editor, Wireless Tab Wireless Zone Sensor Setup Using Tracer Summit Select the Wireless Receiver Add and/or 1. From the Main Menu, select the Setup Edit Zone Sensor corresponding to the edited VAV UCM. Pull Down Menu 2.
- Page 37 3.Select the UCM to be modified and The display reads: press the “OK” button To return to the main screen at any time Trane Setup Tool press the “Clear Screen” button. 4.In the UCM II/III/IV... Editor, open the Press Any Key...
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Page 38: Chapter 8: Trouble-Shooting
— Additionally, measure these values at from the board and check the board’s terminals 2 and 3 on the zone sensor. ability to communicate with the Trane These values should be near those EveryWare Software. If measured above. If not, the connecting communications do not exist, the wire is faulty. - Page 39 J3 3. Poor inlet configuration not modulating, properly inspect of the UCM board. The voltage should — Trane recommends 1½-duct diameters the following: be between 4.50 volts DC and 5.50 volts of straight duct before the inlet of the DC (5 volts DC cataloged).
- Page 40 2.Turn the central air handler “off. ” If this present but Green LED is off, return 1. Verify the antenna is properly installed is not possible, Trane recommends receiver for service. and making good contact with the pulling the transducer tubes off during Red LED (VAV Link Activity socket.
- Page 41 The major environmental concern, near computers. Also, sensors should regarding batteries is mercury. The be placed at least at eye level to reduce battery that Trane uses contains no the effects of “drafts” created by people mercury and thus is considered walking by.
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Page 42: Chapter 9 - Appendix
Appendix CHAPTER 9: APPENDIX Commonly Used Acronyms Input/Output Alternating Current Installation, Operation, and Programming Air Handling Unit Light Emitting Diode Analog Input Maximum Analog Output Minimum Average National Electric Code American Wire Gauge Parts Per Million Building Control Unit PROM Programmable Read Binary Input Only Memory... - Page 43 La Crosse An American Standard Company www.trane.com Since The Trane Company has a policy of continuous product improvement, it reserves the right to change For more information contact specifications and design without notice. Only qualified, experienced personnel should perform installation your local district office or and servicing of the equipment referred to in this booklet.