Trane MUA-SVP01A-EN - Manuals

Page 2 - Overview

Overview © 2005 American Standard Inc. All rights reserved MUA-SVP01A-EN A glossary has been provided to assist the reader in understanding distinctive terms and phrases. These terms and phrases appear in italics. Trane's Digital Control System, AdaptAire, is designed to give the user the ultimate i...

Page 3 - Default settings

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 3 NETWORKING AdaptAire is adaptable to a variety of different network architectures and protocols. Each controller has built-in protocol translation and can be configured for operation on ARCnet156 or EIA-485 communication networks. See Appendix ...

Page 5 - Contents

MUA-SVP01A-EN 5 NETWORKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ADAPTAIRE DEFAULT SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit Operating Modes . . . . . . . . . . . . . . . . . . . . . . ....

Page 6 - Thermostat Output Curve; Airflow Station Layout

6 MUA-SVP01A-EN Contents ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HOTKEY - 1 45 RESETS HOTKEY - 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 SCHEDULES HOTKEY- 7 . . . . . . . . . . . . . . . ...

Page 7 - UNIT OFF MODE; Unit Operating Modes

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 7 There are three different modes that control the supply fan and unit operation: • Off • Manual • Auto There are also four different methods for controlling the operating modes: • "a remote panel with two rotating knob adjustments (MDT and M...

Page 9 - UNIT MANUAL MODE

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 9 Unit Operating Modes UNIT MANUAL MODE Manual Mode allows the unit to turn on regardless of the Time Clock or Night Setback functions. A BACview or PC is required to change to this mode. See the section related to the MRT Expert for instructions...

Page 12 - Heating/Ventilating/Cooling Operating Modes; Heating Mode; General Burner Control

12 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Unit Operating Modes function is activated whenever a contact is closed between the appropriate terminals on the unit's terminal strip located in the unit's main control panel. Heating and cooling functions use the Night Setback Setpoints. See...

Page 14 - Ventilation Mode

14 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Unit Operating Modes with internal heat gain. In certain conditions it may be necessary to readjust the minimum discharge air or room temperature setpoint upward or adjust the outside/return air ratio to provide a warmer supply air temperature...

Page 15 - Cooling Mode

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 15 Unit Operating Modes line downward. If the room temperature falls to a temperature that is 2°F below the heating setpoint, the heating will be enabled, and the unit will be in the heating mode. Continue following the solid line in a clockwise ...

Page 16 - Damper Control Modes; Manual Mode

16 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Unit Operating Modes To change the desired cooling room temperature of an MRT-Pro control system, depress the Warmer button to increase the desired room temperature setpoint or depress the Cooler button to decrease the desired room temperature...

Page 17 - Mixed Air Temperature Mode

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 17 Unit Operating Modes operating in the heating mode, the unit will automatically keep the minimum outside air at 20%. If the outside air drops below 20%, the burner will cycle off. See Minimum Ventilation. MRT-Pro Controls. To change the damper...

Page 18 - Building Pressure Mode; See Minimum Ventilation.

18 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Unit Operating Modes Building Pressure Mode The Building Pressure mode varies the percentages of outside air and return air to maintain a constant pressure within the space. A pressure transducer compares the pressure outside the space to the ...

Page 19 - Functions

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 19 100% Outside Air The 100% Outside Air function automatically opens the outside air dampers and closes the return air dampers. This function is activated whenever a contact is closed between the appropriate terminals on the unit's terminal stri...

Page 20 - User Configured PID Control; DIRECT ACTING

20 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Functions User Configured PID Control This function is applicable to non-recirculating units only. The User Configured PID Control function allows the user to control an analog output based on a user defined analog input and setpoint. See the ...

Page 22 - REVERSE ACTING; Direct acting

22 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Functions REVERSE ACTING The controller output AO-1 is modulated by a PID loop from 0% to 100% based on the User Control setpoint and the input signal to IN-9. As the input signal increases the output voltage decreases. Additionally, a seconda...

Page 23 - Reverse acting

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 23 Functions pressure to be+0.03" but does not want it to drop below 0.0" or go above +0.05". The parameters entered on the keypad display will be: The pressure transducer compares the pressure outside the space to the pressure inside...

Page 24 - Unit Resets

24 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Functions Unit Resets This section should assist the user in resetting alarms and cycle counters which have been displayed on the BACview. ALARM. To reset an alarm scroll through the menu tree, locate the Unit Resets branch and select Alarm. P...

Page 25 - Clock Set

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 25 Functions input. A switch is used in conjunction with each resistor. When a switch is closed, the resistance at the controller input changes. This allows the controller to identify which switch has closed. The controller is programmed to assoc...

Page 26 - Critical Fault Codes; FAULT CODE: Low Discharge Temperature; Diagnostics

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 26 Critical Fault Codes This section should assist the user in troubleshooting critical fault codes messages that have been displayed on the local user interface. These faults require the operator to correct the condition and reset the alarm befo...

Page 29 - FAULT CODE: Safety Circuit Open

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 29 Diagnostics – Yes. This signal is fed to the signal conditioner. Disconnect the wires from the signal conditioner's input signal terminals and measure the voltage on the wires. Is it the same as the voltage coming from the controller? – No. Th...

Page 30 - FAULT CODE:Burner Status; The controller has activated the burner enable output, but the

30 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Diagnostics – No. See the Diagnostic section for Unit On/Fan Off. – Yes. Continue. SOLUTION:If fan is running (check prior alarm log) 1. Is the high temperature limit tripped? – Yes. Determine cause and rectify. – No. Continue. 2. Is the low g...

Page 31 - FAULT CODE: Burner Hand

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 31 Diagnostics – No. Continue. 2. Is the burner enable relay energized? – No. There is an open in the 24VAC circuit. Determine cause and rectify. – Yes. Continue. 3. Is the burner enable relay's normally open contact closed? – No. Replace relay. ...

Page 32 - FAULT CODE: Flame Failure; SOLUTION:Investigate flame relay

32 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Diagnostics 2. Are the main automatic gas shutoff valves energized? – No. The main automatic gas shutoff valves are leaking. Turn off unit and close manual gas valves. Determine cause of valve failure and rectify. – Yes. Continue. 3. Is the fl...

Page 33 - SOLUTION: If fan is running

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 33 Diagnostics FAULT CODE: Unit off/Fan on PROBLEM: The controller has not activated the unit enable output to start the fan, but the fan status input, is receiving a signal that the fan is running. This fault will automatically clear about 15 se...

Page 35 - FAULT CODE: Check Airflow Switches

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 35 Diagnostics – Yes. Continue. 3. Is the unit enable relay energized? – No. There is an open in the wiring between these terminals. Determine cause and rectify. – Yes. Continue. 4. Is the unit enable relay's normally open contact, closed? – No. ...

Page 36 - FAULT CODE: Clogged Filter Switch; SOLUTION:If clogged filter switch is closing.

36 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Diagnostics SOLUTION:If low airflow switch is opening. Do not adjust the switch setpoints 1. Does low airflow switch open when the burner is off – No. Disconnect both pressure sensing tubes from one of the airflow switches and measure the diff...

Page 37 - FAULT CODE:Energy Save Mode 1; SOLUTION:If setpoints are misadjusted

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 37 Diagnostics – Yes. Clear and continue. – No. Continue. 3. Is the airflow switch setpoint properly adjusted? – No. Adjust setpoint. – Yes. Continue. 4. Are the wires connected to the air pressure switch's normally open contact? – No. Rewire swi...

Page 38 - SOLUTION:If setpoints are not misadjusted; FAULT CODE:Energy Save Mode 2; SOLUTION: If OAT, RoomT or DAT are such that heat is required

38 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Diagnostics – No. Continue. SOLUTION:If setpoints are not misadjusted 1. Is there a prior alarm such as Insufficient OA? – Yes. See the Diagnostic section for the previous alarm. – No. Continue. 2. Is the discharge air temperature (DA Temp), d...

Page 39 - FAULT CODE:Energy Save Mode 3

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 39 Diagnostics equal to the %OA setpoint. However, at 20% OA the dampers should be at least ½" open. – Yes. Continue. – No. Check the damper motor and linkage connections. When 24VAC is powering the damper actuator and the control signal is 0...

Page 40 - SOLUTION: If setpoints are misadjusted; FAULT CODE:Insufficient OA; SOLUTION:If heat is desired

40 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Diagnostics SOLUTION: If OAT, RoomT or DAT are such that heat is required 1. Is the outside air temperature (OA Temp), displayed on the BACview remote, reading 150°F or more? – Yes. The outside air sensor circuit or the sensor itself is shorte...

Page 41 - SOLUTION:If less outside air is desired

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 41 Diagnostics 4. Do the dampers track with a change in the %OA setpoint? The dampers utilized on the unit are not linear with respect to airflow and openness, and as such, the proportion of outside air damper movement will not be exactly equal t...

Page 43 - Menu Selection Tree for BACview; UNIT MODES HOTKEY - 2; Damper Mode; Menu Selection; Menu selection tree for BACview

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 43 Menu Selection Tree for BACview This section will assist the user in navigating the menu functions of the control program. For convenience Hotkeys are provided to allow the user to jump directly to a specific menu heading. Simply press and hol...

Page 44 - Status; SET POINTS HOTKEY - 3

44 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Menu Selection Status Alarm SET POINTS HOTKEY - 3 Htg Occupied °F range 55-90 Htg Setback °F range 40-80 Htg Min DA °F range 40-130 Htg Max DA °F range 55-130 Clg Occupied °F range 61-96 Clg Setback °F range 75-130 Clg Min DA °F range 40-130 C...

Page 45 - STATUS MENU HOTKEY - 4; Alarm

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 45 Menu Selection STATUS MENU HOTKEY - 4 Note: The Status Menu always displays the current status of the fan, burner and cooling. ALARM HOTKEY - 1 Alarm History (64 Most Recent) • Active Critical Alarms • Active Non-Critical Alarms • Alarms Retur...

Page 48 - FUEL SELECT HOTKEY - 9

48 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Menu Selection Alarm Fuel Select FUEL SELECT HOTKEY - 9 Fuel Type Natural Gas/Propane Login Home Previous Unit Modes

Page 49 - Temperature in Degrees F; Typical 10,000 Ohm Thermistor Output Curve; esi

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 49 10 K Ohms Thermistor Output Curve Thermostat Output Curve Figure 5. Uses FG.figure# Figure 6. Uses FG.figure# Typical 10,000 Ohm Thermistor Output Curve 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 130000 140000...

Page 50 - Airflow station layout

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 50 Airflow Station Layout Figure 7. Airflow station layout

Page 51 - I/O Zone 583 Controller Specifications

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 51 POWER REQUIREMENTS. 24VAC ± 10%, 20VA NETWORK COMMUNICATION BACnet (native), Modbus RTU, or N2 bus at up to 76.8K baud or 156K baud over ARCnet. LonWorks using plug-in communications board. USER INTERFACE MDT: modulating discharge temperature ...

Page 52 - OUTPUT ASSIGNMENTS - ANALOG

52 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN I/O Zone 583 Controller Specifications – LED indication • 3 Analog Outputs – 0 - 10 VDC OUTPUT ASSIGNMENTS - ANALOG AO1 Burner firing rate (to signal conditioner) 0 - 10 VDC AO2 RA or Mixing Damper Control/ User Configured 0 - 10VDC AO3 Unassi...

Page 53 - Typical Wiring Schematic; Non-recirculating with evap DFOA and DFIA model diagram

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 53 Typical Wiring Schematic Figure 8. Non-recirculating with evap DFOA and DFIA model diagram

Page 55 - Figure 10. Recirculating DFOA and DFIA model diagrams

MUA-SVP01A-EN • Direct-Fired Indoor and Outdoor Units 55 Typical Wiring Schematic Figure 10. Recirculating DFOA and DFIA model diagrams

Page 56 - Figure 11. Recirculating DFOA and DFIA model diagram

56 Direct-Fired Indoor and Outdoor Units • MUA-SVP01A-EN Typical Wiring Schematic Figure 11. Recirculating DFOA and DFIA model diagram

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