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Contr ols Pr ogr amming Guide J anuary 2007 MU A -S VP0 1A -EN DFIA DFO A Dir ect-Fir ed Indoor and Outdoor Mak e-Up Air Units ...
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Ov erview © 20 05 American Standard Inc. All rights reserved MUA-SVP0 1A-EN A glossary has been pro vided to assist the reader in understanding distinctive terms and phrases. These terms an d phrases appear in italics. T rane's Digital Control S ystem, AdaptAir e, is designed to gi ve the user the ultimate in unit performance and operat ional ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 3 NET WORKING AdaptAire is adaptabl e to a variety of dif ferent netw ork ar c hitectures and protocols. Eac h controller has built-in pr otocol tran slat ion and ca n be config ured for operation on ARCnet1 56 or EIA-485 commun ication networks. See Appendix IV for specific controller speci ...
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4 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Low Input V a lue 0 -9999.99 – 99999.99 User Control Setpoint 0 -9999.99 – 99999.99 Maximum User Set point 0 -9999.99 – 99999.99 Minimum User Setpoint 0 -9999.99 – 99999.99 T able 1 . Def a ult set tings (continued) ITEM DEFAULT RANGE ...
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MUA-SVP 0 1A-EN 5 NETWORKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ADAPTAIRE DEFAULT SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit Oper ating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 ...
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6 MUA-S VP0 1A-EN Contents ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HOTKEY - 1 45 RESETS HOTK EY - 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 SCHEDULES HOTKEY- 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 7 There are three dif f erent modes th at control the supply fan and unit operation: •O f f •M a n u a l •A u t o There are also four dif ferent methods for controllin g the operating modes: • "a remote pan el with tw o rot ati ng knob adjustments ( MDT and MR T controls) • &q ...
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8 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes MR T Contr ols: MR T , modulating room temperature , is the most basic AdaptAire cont rol for room temperature. The MR T control system includes a remote cont rol panel equipped with 1 o r 2 potentiometers, 3 or more pilot lights, and up to 2 switc hes. UNIT OFF MODE ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 9 Unit Ope rating Mode s UNIT MANU AL MODE Manual Mode allows the unit to turn on reg ardless of the T ime Cloc k or Night Setba c k functions. A BACview o r PC is required to c hange to this mode. S ee the section related to the MR T Expert for instruct ions on how to use th e BA Cview f or ...
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10 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes to be "of f" and the Cooling Night S etbac k f unction turns the unit "on", the unit will be cycled "of f" once the room air temperatu re has fallen 2° below the Cooling Night S et bac k setpoint. The default for this setpoint is 1 0 0 ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 11 Unit Ope rating Mode s for up to 4 separate On/Of f events w ith any combination of days. The normal sc hedule sets the typical On/Off times for the unit. The holiday sc hedule can be programmed for up to 1 2 separate On/Of f events with an y combination of days. The holiday sc hedule set ...
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12 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes function is activated whenever a contact is closed between the appr opriate terminals on the unit's terminal strip lo cated in the unit's main control panel. Heating and cooling functions use the Ni ght Setbac k Setpoint s. See the T ypical Wiring Sc hemat ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 13 Unit Ope rating Mode s Se tpo int. The allow able temperature ran ge is 55°F - 130°F . This se ts the highest disc harge air temperatur e that will leave the uni t. If the maximum and minimum disc harge temperature setpoints are set for the same temperat ure , the su pp l y air te mpera ...
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14 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes with internal he at ga in. In cer tain condit ions it may be necessary to readjust t he minimum disc harge air or room temperature setpo int upward or adjust th e outside/return air ratio to provid e a w armer supply air temperature. Ener gy Sa vings Mode 1— Non-R ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 15 Unit Ope rating Mode s line downw ard. If the room temperature fa lls to a tem perature that is 2°F below the heating setpoint, the he ating will be enabled, and the unit will be in the heating mode. Continue following the so lid line in a cloc kwise direction to the heating setpoint . O ...
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16 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes T o c hange the desired cooling room temperat ure of an MRT -Pro con trol system, depress the W armer but ton to increase the desired room temperature setp oint or depress the Cooler but ton to decrease the desired room temperature setpoint. Eac h push of a button c ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 17 Unit Ope rating Mode s operating in the heating mode, the unit wi ll automatically keep the minimum outside air at 20%. If the outside air drop s below 20%, t he burner will cy cle of f. See Minimum V entilation. MRT -Pro Contr ols. T o c hange the damper mode on an MR T -Pro control syst ...
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18 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Unit Operating Modes Building Pr essur e Mode The Building P ressure mode varies the pe rcentages of outsi de air and return air to maintain a constant pressu re with in the space. A pr essure transducer compares the pressure outside the space to the pressure inside the space and transm ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 19 1 0 0% Outside Air The 1 0 0% Outside Air function automatically opens the outside air dampers and closes the return ai r damper s. This functi on i s activated whenever a contact is closed between the appr opriat e terminals on the unit's termin al strip located in the unit's m ...
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20 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Functions User Configur ed PID Control This function is applicable to non-recirc ulating un its only . The User Configured PID Control function allows the user to control an analog output based on a user defined analog input and setpoint. S ee th e T ypical Wiring and Unit Controller Sp ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 21 Functions to the Max Use r setpoint. In this situat ion the out put value is the great er of the PID output or the over ride output. If the input variable is below the User Control se tpoint, the output could decrease from 1 0 0% to 0% as the input variable decreases f r om the User Contr ...
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22 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Functions REVERSE A CTING The controller outp ut AO-1 is modulated by a PID loop fro m 0% to 1 0 0% based on the User Control setpoint a nd the input signal to IN -9. As the input signa l increases the output voltage decreases. A dditionally , a secondary control acts to over ride the P ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 23 Functions pressure to be +0.03" but does not want it t o drop below 0.0" or g o above +0.05". The parameters entered on the keypad display will be: The pressure transducer comp ares the pressure outside the space t o the pressure inside t he space and transmits a cor respon ...
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24 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Functions Unit Resets This section should assist the user in reset ting alarms and cycle counters whic h have been display ed on the BACview . ALARM. T o reset an alarm scroll through the menu tree, locate the Unit Rese ts branc h and select Al arm. Pr ess the Enter key . The word OFF s ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 25 Functions input. A switc h is used in conjunction with eac h resistor . When a switc h is closed, the resistance at the cont roller input c hanges. This allows the controller to identify whic h switc h has closed. The controlle r is programmed to associate e ac h dif ferent resistance wit ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 26 Cr itical F ault Codes This section should assist the user in tr oubleshooting critical fault codes messages that h ave been display ed on the local user interface. These faults require the operator to cor rect the conditi on and reset the alarm before normal unit operat io n r esu m es. ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 27 Diagnostics valve closest to t he burner and measure the disc harge air temperature. Is it less than 130°F? – Y es. There is a problem wit h the contr olle r pro gram or cont rolle r itse lf . Contact the fact o ry . – No. The outside air temper ature is too hot to determine the actu ...
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28 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics SOLUTION: If bur ner was not oper ating pr ior to shutdo wn (chec k pr ior alar m log) 1 . Is there a prior al arm suc h as Safety Ckt. , Airflow Sw ., or Flame F ailure? – Ye s . S ee the Diagnostic secti on for the previous alarm. – No. Continue. 2. Is the room air (R ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 29 Diagnostics – Ye s . This signal is fed to the signal c onditioner . Disconnect the w ires from the signal conditioner's input signal te r minals and measure the v oltage on the wires. Is i t the same as the voltage coming from the controlle r? – No. There is an open in the wirin ...
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30 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics – No. See t he Diagnostic section for Unit On/F an Off . – Ye s . Continue. SOLUTION:If f a n is run ning (chec k pr ior alar m log) 1 . Is the high temperature limit trip ped? – Ye s . Determine cause and rectify . – No. Continue. 2. Is the low gas pressure swit c h ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 31 Diagnostics – No. Continue. 2. Is the burner enable re lay energize d? – No. There is an open in the 24 V AC circuit. Dete rmine cause and rectify . – Ye s . Continue. 3. Is the burner enable relay's normally open cont act closed? – No. R eplace relay . – Ye s . Continue. 4 ...
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32 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics 2. Are the main automatic gas shut off valv es energized ? – No. The main automatic g as shutof f valves are leaki ng. T urn of f unit and close manual g as valves. Deter mine cause of valve fail ure and rectify . – Ye s . Continue. 3. Is the flame re la y energized? – ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 33 Diagnostics F A UL T CODE: Unit of f/F an on PROBLEM: The contro ller ha s not activated the unit enable outp ut t o star t the fan, but the fan status input, is receiving a signal that the fan is running. This f ault will automatically clear a bout 15 se conds af ter the fault is cor rec ...
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34 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics – Ye s . T he r e is a sh ort in the wiri ng be tw e en th es e terminals. De te rm ine cause and rectify . – No. R eplace controller . F A UL T CODE:Unit on/F an off PROBLEM:The controller has activated the unit enable outpu t to star t the fan, but the fan status input ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 35 Diagnostics – Ye s . Continue. 3. Is the unit enab le relay energi zed? – No. There is an open in the wiring be tween these te rminals. Determin e cause and rectify . – Ye s . Continue. 4. Is the unit enable r elay's normally open contact, closed? – No. R eplace relay . – Y ...
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36 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics SOLUTION:If low airflo w switch is opening. Do not adjust the switc h setpoints 1 . Does low airflow sw itc h open when the burner is off – No. Disconnect both pressure sensin g tubes from one of the airflow switc hes and measure the dif ferential pressure by connectin g t ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 37 Diagnostics – Ye s . Clear and continue. – No. Continue. 3. Is the airflow switc h setpoint properly adjusted? – No. Adjust setpoint. – Ye s . Continue. 4. Are the wires connected to the air pressure switc h's normally open contact? – No. R ewire switc h and continu e. – ...
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38 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics – No. Continue. SOLUTION:If setpoints ar e not misadjust ed 1 . Is there a prior al arm suc h as Insuff icient O A? – Ye s . See the Diagnostic sect ion for the previous alarm. – No. Continue. 2. Is the disc harge air temperature (D A T emp), displayed on the BA Cview ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 39 Diagnostics equal to the %O A setpoint. However , at 20% O A the damper s should be at least ½" open. – Ye s . Continue. – No. Chec k the damper motor and linkage connections. When 24V AC is powering the damper actuator and th e control sign al is 0VDC, the outside air damper sh ...
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40 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics SOLUTION: If O A T , RoomT or D A T are suc h that heat is req uired 1 . Is the outside air temperature (O A T emp), display ed on the BA Cv iew remote, reading 1 50°F or more? – Ye s . The outside air sensor circuit or the sensor itself is shorted. Unplug the input jac k ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 41 Diagnostics 4. Do the damper s trac k with a c hange in the %O A setpoint? The dampers utilize d on the unit are not linear with respect to a irflow and openness, and a s suc h, the proportion of outside air damper movement will not be exactly equal to the %O A setpoint. However , at 20% ...
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42 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Diagnostics – Ye s . The AdaptAire control sy stem must be in the Hea ting mode. In this mode the smallest allow able amount of outside air is 20%. V erify the system is in the Heat ing mode and the MIN VEN T SP is set for 20%. S ee Heating/Cooling Mode and Minimum V e ntilation Secti ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 43 Menu Selection T r ee for BA Cview This section will assist the user in na vig ating the menu functions of the control program. F or conve nience Hotkeys are provided to al low the user to jump directly to a specific menu heading. Simply press and hold the FN key . While holding the FN ke ...
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44 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Menu Selection Status Alarm SET POINTS HO TKEY - 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 r ange 61-96 Clg Setback °F r ange 75-130 Clg Min DA °F r ange 40-130 Clg Max DA °F r ange 55-130 Man V ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 45 Menu Selection S T A TUS MENU HO TKEY - 4 Note: Th e Status Me nu alw ays displays the cur rent status of the fan, burner an d cooling. ALARM HO TKEY - 1 Alar m History (64 Most Recent) • Active Critical Alarms • Active Non-Critical Alarms • Alarms Return-T o-Normal •P r e v i o u ...
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46 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Menu Selection Home Sc hedules Cloc k Set Help SCHEDULES HO TKEY - 7 Dail y – Sc hedule1 (typical 1 through 4) –U s e — y e s / n o – Star t Time — hr:min – Stop Time— hr:min – D A YS — SUN, MON, TUE, WED, THU, FRI, SA T – Previous – Next –H o m e – Logout Holi ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 47 Menu Selection Low Output V alue User Control S etpoint Maximum User Setpoint Minimum User Setpoint Prev io u s Home Setpoints Help CL OCKSET HO TKEY - 0 Tim e hh:mm:ss Date dd-mm-yy Prev io u s DST – Enable No/Y es – S ou Hem No/Y es – 06Beg Apr /02 – 06End Oct /2 9 – 07Beg Apr ...
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48 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Menu Selection Alarm Fu el S elect FUEL SELECT HO TKEY - 9 Fue l T y p e Na tural Gas/Propane Login Home Prev io u s Unit Modes ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 49 1 0 K Ohms Ther mistor Output Curv e Ther mostat Output Curve Figure 5. Uses F G.figure# Figure 6. Uses F G.figure# T ypi cal 10, 000 O hm T herm i st or O utput Curve 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 130000 140000 150000 160000 170000 180000 - ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 50 Airflo w Station La y o ut Figure 7 . Airflo w station layout ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 51 POWE R REQUIREMENTS. 24V AC ± 1 0%, 20V A NETW ORK COMMUNICA TION BACnet (n ative), Modbus R TU , or N2 bus at up to 7 6.8K baud or 156K baud o ver ARCnet. LonW orks using plug-in communications board. USER INTERF ACE MDT : modulating disc harge temperature control with manually adjusted ...
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52 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN I/O Zone 583 Controller Specifications – LED indication • 3 Analog Outputs –0 - 1 0 V D C OUTPUT A SSIGNMENTS - ANAL OG AO1 Burner firing ra te (to signal conditioner) 0 - 1 0 VDC AO2 RA or Mixing Damper Cont rol/ User Configured 0 - 1 0VDC AO 3 Unassigned OUTPUT A SSIGNMENTS - DI ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 53 T ypical Wir ing Schematic Figur e 8. Non-r ecir c ulating with ev ap DFO A and DFIA model diagram ...
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54 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Typical Wiring Schema tic Figur e 9. Non-r ecir c ulating with ev ap DFO A and DFIA model diagram ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 55 Typical Wiring Schematic Figur e 1 0. Recirculating DFO A and DFIA model diagrams ...
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56 Direct-F ired Indoor an d Outdoor Units • MUA-SV P0 1A-EN Typical Wiring Schema tic Figur e 1 1 . Recir culating DFO A and DFIA model diagr am ...
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MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 57 Typical Wiring Schematic ...
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Tr a n e A business of American Standard Companies www .trane.com For more information, contact your loc al T ran e office or e-mail us at comfort@trane.com Literature Order Number MUA-SVP0 1A-EN Date J anu ary 20 07 Super sedes New T rane has a policy of continuous product and pro duct data improvement and reserve s the right to c hange design and ...
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