Gebruiksaanwijzing /service van het product Direct-Fired Indoor and Outdoor Make-Up Air Units van de fabrikant Trane
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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.
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.
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.
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 .
MUA-SVP 0 1A-EN 5 NETWORKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ADAPTAIRE DEFAULT SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit Oper ating Modes .
6 MUA-S VP0 1A-EN Contents ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HOTKEY - 1 45 RESETS HOTK EY - 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 SCHEDULES HOTKEY- 7 .
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 di.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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 .
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.
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 .
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.
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 .
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.
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.
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.
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 .
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.
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.
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.
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 .
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.
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%.
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.
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 H.
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.
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.
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 OCKS.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
MUA-SVP0 1A-EN • Direct-Fired Indoo r and Outdoor Units 57 Typical Wiring Schematic.
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.
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