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Trane Gas Unit Heaters Installation and Maintenance Manual

1. FIELD INSTALLED D DIA FLUE OPENING ALTERNATE ORIZONTAL VENT BY THE MPR EOR 300 350 240 STANDARD REDUCER TO BE SUPPLIED BY 29 3 4 VERTICAL VENT POSITION INSTALLER IF ONE IS REQ 756 i y i6 a gem NN HANGING bk E m 4 3 8 16UNC L EI 1 NUT RETAINERS FoR HANGING E s i 1 WA ww do UPENING FRONT AND REAR OPENING au OPENING H H NE NUI ml a 9 PILAT ACC 9 FAR Sb tee hu Again fox 03623 Lo 610 o We ES SIDE VIEW RONT VIEW SIDE VIEW 100 125 MBTU HR UNIT SIZES 100 400 MBTU HR UNIT SIZES 150 400 MBTU HR UNIT SIZES REAR VENT POSITION SHOWN SEE DETAIL G FOR OPTIONAL TOP VENT POSITION Table 1 Power Vented Duct Furnace Gas Inlet A B D Dia F in Weight Unit Size in mm mm mm mm Nat LP Ib kg Ins 100 17 778 15 172 17 178 4 23 718 1 2 1 2 173 454 394 435 102 606 78 in 125 20 5 8 18 1 4 19 7 8 4 25 5 8 1 2 1 2 186 ae 524 464 505 102 651 84 Em 150 20 5 8 18 1 4 19 7 8 4 26 5 8 1 2 1 2 197 524 464 505 102 676 89 mo 175 23 3 8 21 22 5 8 4 29 3 8 1 2 1 2 216 594 533 575 102
2. Diagnostics Table9 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action 2 Pilot adjustment screw turned too 2 Refer to Operation 27 low on combination automatic main gas valve Air in gas line Purge air from gas supply Incorrect lighting procedure Follow lighting instruction label adjacent to gas valve Dirt in pilot orifice Remove pilot orifice Clean with compressed air or solvent Do not ream 6 Extremely high or low gas 6 Refer to Operation p 27 pressure 7 Defectivethermocouple standing 7 Check thermocouple connection and replace if defective pilot units only Drafts around unit Eliminate drafts Refer to Installation Mechanical p 11 9 Pilot valve not opening faulty 9 Inspect and correct all wiring wiring 10 No spark if applicable faulty 10 Inspect and correct ignition system wiring See symptoms wiring U V and W 11 Defective gas valve 11 Replace N Power venter will not run 1 Loose wiring 1 Check and tighten all wiring connections per diagrams Thermostat wires tagged W and G must be connected together unless special thermostats are used if so see thermostat wiring diagram Electrical Connections p 25 2 Defective motor overload 2 Replace motor protector or defective motor 3 Defective power venter relay 3 Check for 24V across 1 and 3 terminals on fan relay If 24V is present jumper terminals numbered 2 and 4 If mot
3. Ref No Description Ref No Description 1 Blower Housing Assembly 15 Snap Bushing 2 Speed Nut 16 Relay 3 Motor 17 Straight Connector 4 Washer Plain 19 Shield Pressure Switch 5 Plate Adapter 20 Anti Short 6 Blower Wheel 21 Flex Conduit 23 Long 7 Mounting Bracket Pressure Switch 22 Flex Conduit 24 Long 8 Mounting Bracket J unction Box 23 Slotted Head Machine Screw L 7 8 9 Screw S T 24 Draftor Stack Assembly 10 Screw Machine L 3 4 25 1 4 Aluminum Tubing 11 Nut Keps Ext Lock Washer 26 Male Connector 12 Air Pressure Switch 27 Locknut 13 Drill Screw 28 Nut Keps Ext Lockwasher 14 Junction Box Assembly 29 7 8 Plug GLND SVX01B EN 35 e TRANE Maintenance Installation Instructions for Field Replacement of Power Venter Motor Important This replacement must be performed only by a qualified technician Figure 24 Identification of parts Tools and Parts Needed Wire Stripper and Crimper Slotted Head and 2 Phillips Head Screwdriver 3 8 in Wrench 1 8 in Allen Wrench long handle marker 1 1 4 in push on terminal for Wire Notes 36 Remove the cover from the Relay Junction Box Item 1 by removing two screws Item 2 top and bottom Disconnect both wires from the motor lead ends One is connected to terminal 4 on the venter relay and the other is connected with a wire nut to a black wire Remove the sensing tube Item 3 from the Pressure Switch
4. GLND SVX01B EN 31 Gas Equipment Start Up Customer Job Name amp Number Pre Inspection Information with Power and Gas Off Type of Equip Indoor Duct Furnace Serial Number Model Number Name Plate Voltage Name Plate Amperage Type of Gas Natural LP Tank Capacity lb Rating Btu F kg kW Are all panels doors vent caps place Has the unit suffered any external damage Damage Does the gas piping and electric wiring appear to be installed in a professional manner O Has the gas and electric been inspected by the local authority having jurisdiction Is the gas supply properly sized for the equipment O Were the installation instructions followed when the equipment was installed Have all field installed controls been installed Doyouunderstand all the controls on this equipment If not contact your wholesaler or rep DO NOT START this equipment unless you fully understand the controls GENERAL GAS HEATING With power and gas off With power and gas on Cycle by thermostat or operating control Carbon Monoxide ppm Carbon Dioxide Yo Remarks C Make certain all packing has been removed O Inlet gas pressure wcor kPa CJ Tighten all electrical terminals and connections C Pilot and main burner ignition O Check all controls for proper settings Manifold gas pressure in wcor kPa O Check electronic modulation Set at O Cycle and
5. Indicates a potentially hazardous AWARNING situation which if not avoided could result in death or serious injury Indicates a potentially hazardous ACAUTION situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices ja Indicates a situation that could resultin NOTICE equipment or property damage only Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and those containing Hydrogen Chlorine Fluorine and Carbon HCFCs Not all refrigerants containing these compounds have the same potential impact to the environment Trane advocates the responsible handling of all refrigerants including industry replacements for 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 pro
6. 127 ADAPTOR ATTACH THE ADAPTOR TO THE INSIDE OF THE POWER VENTER BLOWER HOUSING POWER VENTER ASSY Refer to specification table and installation manual for proper usage The following instructions apply to Canadian installations in addition to installation and operating instructions 1 Installation must conform with local building codes or in absence of local codes with current CSA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CSA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment 2 Any references to U S standards or codes in these instructions are to be ignored and the applicable Canadian standards or codes applied 3 If using a metal vent system under positive gauge pressure in Canada a slip fit vent connection must be secured by at least two corrosion resistant screws or other mechanical locking means 4 The vent shall not terminate a Less than six feet 1 8 m from a combustion air inlet or another appliance b Less than three feet 1 m from any other building opening or any gas service regulator c Directly above a gas utility meter or service regulator GLND SVX01B EN ote USA units The reducer must be field supplied for 100 125 FLUE VENT REDUCER INCREASER USE 42 8 SHEET METAL SCREWS DIMENSIONS XXX STANDARD UNITS DIMENSIONS IN PARENTHESIS XX MILLIMETERS e TRANE Installation
7. FLASHING ROOF PITCHED FROM 0 TO 45 D366eC 0 203 254MM MAXIMUM CLEARANCE TO BE AS SPECIFIED BY VENT MANUFACTURER X X XX X 4 3 4 3 4 4 3 3 3 3 3 3 3 3 X VENT PIPE DIAMETER SEE SPECIFICATION TABLE D SEAL JOINT BETWEEN SINGLE WALL VENT AND VENT AND THE ANNULAR SPACE D THE B VENT GLND SVX01B EN 23 e TRANE Installation Piping Figure 17 Horizontal left vent position rear view of unit heater Reducer Increaser To Horizontal Flue Where Applicable Vent Termination Power Venter Tee With Drip Leg amp Cleanout Cap At Lowest Point Of Vent System Typ D4072 Figure 18 Horizontal right vent position rear view of unit heater Reducer Increaser To Horizontal Flue Where Applicable Vent Termination Power Venter gt Tee With Drip Leg amp 04073 Cleanout Cap At Lowest Point Of Vent System Typ Figure 19 Vertical vent position side view of unit heater n To Vertical Flue Vent Termination Reducer Increaser P Where Applicable Tee With Drip Leg amp Cleanout Cap 04071 Power Venter 24 GLND SVX01B EN Installation Electrical Electrical Connections AWARNING Hazardous Service Pro
8. AWARNING Hazardous Gases and Flammable Vapors Exposure to hazardous gases from fuel substances have been shown to cause cancer birth defects or other reproductive harm Improper installation adjustment alteration service or use of this product could cause flammable mixtures To avoid hazardous gases and flammable vapors follow proper installation and set up of this product and all warnings as provided in this manual Failure to follow all instructions could result in death or serious injury e TRANE Installation Mechanical Clearances AWARNING Combustible Materials Maintain proper clearance between the unit heat erchanger vent surfaces and combustible materials Refer to unit nameplate and installation instructions for proper clearances Improper clearances could result in a fire hazard Failure to maintain proper clearances could result in death or serious injury or property damage Maintain adequate clearances around air openings into combustion chamber Ductwork Properly designed and installed ductwork providing a uniformly distributed flow of air across the surfaces of the heat exchanger is essential to satisfactory unit performance and life of the equipment All duct connection flanges seams must be sealed to prevent air leaks Sealant tape must be suitable for temperatures 250 F 121 C minimum Use 90 Duct Connection Flanges Ducts must be properly connected to duct furn
9. The vent pipe equivalent length must be five feet 1 5 m minimum and must not exceed 50 feet 15 2 m Equivalent length is the total length of straight sections PLUS 15 feet 4 6 m for each 90 degree elbow eight feet 2 4 m for each 45 degree elbow and 10 feet 3 0 m for the vent cap Maintain six inches 152 mm between vent pipe and combustible materials A minimum of 12 inches 305 mm of straight pipe is required from the venter outlet before installing an elbow in the vent system Never attach an elbow directly to the venter see preceding warning Use single wall pipe constructed of 26 gauge galvanized steel or material of equivalent durability and corrosion resistance for the vent system For installation in Canada use pipe constructed from 0 025 inch thick aluminum or 0 018 inch thick stainless steel Any run of single wall vent pipe passing through an unheated space must be insulated with an insulation suitable to 550 19 e TRANE Installation Piping The vent terminal must be installed with a minimum clearance of four feet 1 2 m from electric meters gas meters regulators and relief equipment Seal ALL vent pipe joints and seams to prevent leakage Use General Electric RTV 108 or Dow Corning RTV 732 silicone sealant or 3M 425 aluminum foil tape or equivalent The vent system must be installed to prevent collection of condensate Vertical vent pipes should be equipped with condensate drains Pitch ho
10. 2 11 3 10 2 9 20 8 50 7 93 1 1 2 1 610 2100 1460 1180 990 900 810 750 690 650 620 550 500 460 430 41 59 5 41 3 33 4 28 0 25 5 22 9 21 2 19 5 18 4 17 6 15 6 14 2 13 0 12 2 2 2 067 3950 2750 2200 1900 1680 1520 1400 1300 1220 1150 1020 950 850 800 53 112 77 9 62 3 53 8 47 6 43 0 39 6 36 8 34 5 32 6 28 9 26 9 24 1 22 7 2 1 2 2 469 6300 4350 3520 3000 2650 2400 2250 2050 1950 1850 1650 1500 1370 1280 63 178 123 99 7 85 0 75 0 68 0 63 7 58 0 55 2 52 4 46 7 42 5 38 8 36 2 3 3 068 11000 7700 6250 5300 4750 4300 3900 3700 3450 3250 2950 2650 2450 2280 78 311 218 177 150 135 122 110 105 97 7 92 0 83 5 75 0 69 4 64 6 4 4 026 23000 15800 12800 10900 9700 8800 8100 7500 7200 6700 6000 5500 5000 4600 102 651 447 362 309 275 249 229 212 204 190 170 156 142 130 Notes 1 Determine the required ft3 h by dividing the rated heater input by 1000 For SI Metric measurements Convert unit Btu h to kilowatts Multiply the unit input kW by 0 0965 to determine m3 h 2 FOR NATURAL GAS Select the pipe size directly from the table 3 FOR PROPANE GAS Multiply the ft3 h m3 h value by 0 633 then use the table 4 Refer to the metric conversion factors listed in General Safety Information p 7 for more SI unit measurements conversions a Maximum capacity of pipe in cubic feet of gas per hour cubic meter
11. ANH la ON3931 Sila WeS3LLJ SAYNGIOONd dN LYVLS ANY ONIdid 5 9 VISONMI 72 002 WNWININ S33IM HOLIMS 1 332018 QNV HOIH ONILNJA 304 SNOILONYLSNI NOLLVTIVISNI OL 33438 IYLSLONG 9 901 1SV31 LV JO ONILVY JYNLYYIANIL V ONIAVH KINO SMOLOnONOO 3ddOO ISN ViM3IVAW ONIMIM HLM d3ovid3N 38 LSAW LI d3ovid3N 38 LSNIN g30Nnoo 38 LSNW LINN NV4 FONVMddv JHL HUM SY 3 JHL JO J x ONIDIANSS 30438 YIMOd 193NNOOSIQ NOLLNVO SWALI SNOILdO MOTISA 4 Oliva aava svo _ Aviad 14 34055344 Dea Hg 7 wavdS _ LOH Avz oyo z ano Avz H Ce Tree HOLIMS 843 5 v aNd T cj aynssaud 8 232 INVA GND 1915200 F 0v 104ld d SM 3NWA 4 Cid 20 ame AR m M 7 2 00995 HOLIMS NM MOLINO H IH AWASONYSHL HOI 90995 yo Liwa vor zu i AVZ SLL AVIS Mo 21 1 4 zi IVISONH3HL y YOLIVYG 01427 71 JUHM MOLON 09 1 AGLL 9 MOlJjVH _ ur S 3 _ LOH Fi J IS e k bM Zk MOION 33amota CJ 09 09 L ASLL NI ejz SOLON AvZ SLL M3MO 18 YAWYOSSNVYL v6 8 9 NOILONN4A Yadav v6 8 9 WIMOLOId HPSS lo HVEelo GLND SVX01B EN 42 e TRANE Trane optimizes the performance of
12. HR UNIT SIZES SIDE VIEW 100 125 MBTU HR UNIT SIZES estet TOR EAEE SEE 150 400 MBTU HR UNIT SIZES REAR VENT POSITION SHOWN SEE DETAIL G FOR OPTIONAL TOP VENT POSITION GLND SVX01B EN 9 Unit Dimensions Weights Table2 Performance data Input MAX MIN Output MIN Temp Rise P D MAX Temp Rise P D Unit Size MBh kW kW MBh kW cfm m37s F in of H20 kPa cfm m37s F in of H20 kPa 100 100 50 80 929 80 0 12 2469 30 0 90 29 3 14 6 23 4 0 438 44 0 03 1 165 17 0 22 125 125 62 5 100 1157 80 0 13 3086 30 0 80 36 6 18 3 29 3 0 546 44 0 03 1 457 17 0 20 150 150 75 120 1389 80 0 15 3704 30 0 75 43 9 22 0 35 1 0 656 44 0 04 1 748 17 0 19 175 175 87 5 140 1620 80 0 14 4321 30 0 75 51 2 25 6 41 0 0 765 44 0 03 2 040 17 0 19 200 200 100 160 1852 80 0 14 4938 30 0 75 58 6 29 3 46 9 0 874 44 0 03 2 331 17 0 19 225 225 112 5 180 2083 80 0 14 5556 30 0 75 65 9 32 9 52 7 0 983 44 0 03 2 622 17 0 19 250 250 125 200 2315 80 0 14 6173 30 0 80 73 2 36 6 58 6 1 093 44 0 03 2 914 17 0 20 300 300 150 240 2778 80 0 13 7407 30 0 90 87 8 43 9 70 3 1 311 44 0 03 3 496 17 0 22 350 350 175 280 3241 80 0 13 8642 30 0 90 102 5 51 2 82 0 1 530 44 0 03 4 079 17 0 22 400 400 200 320 3704 80 0 14 9877 30 0 90 11
13. Item 11 and Screws Item 12 Do not lose these parts Using caution the motor will disengage from the Mounting Adapter Plate along with the Relay Junction Box and Pressure Switch Mounting Brackets will also disengage Reverse order to install the new Power Venter Motor TEST FIRE THE UNIT FOR A FEW CYCLES MAKING SURE THAT THE UNIT IS OPERATING SATISFACTORILY GLND SVX01B EN How to Order Replacement Parts Please send the following information to your local Parts center If further assistance is needed contact the manufacturer s customer service department Model number e Serial Number e Part description and Number as shown in the Replacement Parts Catalog GLND SVX01B EN e TRANE Maintenance 37 S TRANE Diagnostics Troubleshooting AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual w
14. Piping FLUE VENT INCREASER ADAPTOR SUPPLIED BY MFR FOR 3007 350 400 UNIT SIZES 21 e Installation Piping Figure 13 Horizontal arrangement single wall vent system to single wall termination ALL ARDUND 12 MIN 2 MIN 305 mm MIN 51 MIN TO PREVENT r VENT PIPE DIAMETER SEE SPECIFICATION TABLE 1 APPROVED VENT CAP BUILDING MATERIAL DEGRADATION FROM FLUE GASES SEE INSTRUCTIONS BUILDING OVERHANG ADJACENT i BUILDING 3 0 MIN 0 9M MIN j 6 0 MIN 1 8 MIN S Se PITCH FLUE PIPE DOWN TOWARD OUTLET 1 4 PER FOOT 21MM M OF RUN TO ALLOW FOR CONDENSATE DRAINAGE E 12 INCHES 305MM PLUS MAXIMUM SNOW DEPTH FLUE DIA NE 536208 FLASHING ae AS FIBERGLASS INSULATION MIN 2 THICK 51 MIN FOR AREA ABOVE GRADE Figure 14 Vertical arrangement single wall vent system to single wall termination 22 ha X 6 0 MIN 1 8 MIN ADJACENT BUILDING d 6 INCHES 152MM PLUS MAXIMUM SNDW DEPTH FOR AREA VERTICAL PIPE EX TENSION OVER 12 305MM MUST BE INSULATED ROOF PITCHED FROM 0 TO 45 gt A 036194 2 MIN 51MM MIN CALL AROUND APPROVED VENT CAP SEE INSTRUCTIONS FIBERGLASS INSULATION MIN 2 THICK 51MM
15. SHEET METAL MUST BE PROVIDED BY THE INSTALLER AT THE BACK OF ADJACENT CENTER FLANGES FRONT 8 REAR TYPICAL 4 POINT DUCT SUSPENDING ARRANGEMENT 3 16 THREADED SUSPENSION ROD amp JAM NUT BY INSTALLER PANEL DUCT SECTION S s DETAIL SHOWING RECOMMENDED METHOD Ql SUSPENDING TYPICAL Nozzle Assembly Use the following procedure for assembling the 30 60 or 90 degree nozzle assembly to your unit heater 1 14 Remove the louvers and the cone springs from the unit heater Remove the four 4 screws from the upper section of the front of the unit heater and use these same screws to temporarily attach the top bracket P N 252 07948 00X a Using the holes in the top bracket as a guide pre drill a 1 8 0 125 hole at each location across the front panel of the unit heater b Using the enclosed screws permanently attach the top bracket Remove the upper two 2 screws from the lower section on the front of the unit heater Repeat the procedure described in Step 2 using the bottom bracket P N 252 07949 00X Using the sixteen 16 5 16 12 x 1 2 screws attach the left and right side panel P N 251 07944 and 251 07946 to the unit heater using the holes to which the louvers were attached Using the enclosed 8 18 x 1 2 screws and with the top panel oriented such that the side with the larger holes THE UNIT HEATER REQUIRES 2 ADDITIONAL MOUNTING POINTS WHEN ANY NOZZLE IS US
16. and hydraulic modulating units are supplied with a combination valve which includes a Manual A valve b Manual B valve c Solenoid valve d Pilot safety e Pressure regulator 17 e Installation Piping Pipe directly in to combination valve see Figure 10 p 18 5 A 1 8 in N PT plugged tapping accessible for test gauge connection must be installed immediately upstream of the gas supply connection to the appliance 6 Provide a drip leg in the gas piping near the gas duct furnace A ground jointunion and a manual gas shutoff valve should be installed ahead of the unit heater controls to permit servicing The manual main shutoff valve must be located external to the jacket see Figure 10 p 18 7 Make certain that all connections have been adequately doped and tightened Overtightening Do not overtighten the inlet gas piping into the valve This may cause stresses that could crack the valve Note Use pipe joint sealant resistant to the action of liquefied petroleum gases regardless of gas conducted AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property only damage Figure 10 Pipe installation standard controls A m
17. homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments Trane offers a broad portfolio of advanced controls and 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 2012 Trane All rights reserved GLND SVX01B EN 16 Mar 2012 We are committed to using environmentally Il d Supersedes GLND SVX01A EN 01 Mar 2010 conscious print practices that reduce waste ngerso Ran
18. takes to burn one cubic foot of gas Heating Value 4 Insert the time in seconds into the formula below Heating Value Btu ft3 3600 s hr Time s ft3 Example If the heating value 1000 BTU ft3 and the time ft 18 s ft then Input Rate 1000 BTU ft3 3600 s hr Input Rate TE gf Input Rate 200 000 BTU hr Refer to General Safety Information p 7 for metric conversions Note If the computation exceeds or is less than 95 percent of the gas Btu h input rating see Unit Dimensions and Weights p 9 adjust the gas Gas Pressure Adjustments Adjust the gas pressure as follows 1 NATURAL GAS Best results are obtained when the heater is operating at its full input rating with the manifold pressure of 3 5 inches wc 0 9 kPa Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However field adjustment may be made as follows a Attach manometer at pressure tap plug adjacent to control outlet b Remove the regulator adjustment screw cap located on the combination gas valve c With a small screwdriver rotate the adjustment screw counterclockwise to decrease or clockwise to increase pressure Do not force beyond stop limits d Replace regulator adjustment screw cap 2 PROPANE GAS An exact manifold pressure of 10 0 inches wc 2 5 kPa must be maintained for proper operation of the heater If the unit is equ
19. too low Reset manifold pressure Refer to Operation p 27 Pilot decreases in size when main Supply piping is inadequately sized Refer to Installation burners come on Piping p 16 5 Pilot flame too small 5 Clean pilot orifice Refer to Operation p 27 6 Drafts around heater 6 Eliminate drafts Refer to Installation Mechanical p 11 7 mproper venting 7 Referto Installation Piping p 16 H Failure to ignite 1 Main gas off 1 Open all manual gas valves 2 Lack of power at unit 2 Replace fuse or turn on power supply 3 Thermostat not calling for heat 3 Turn up thermostat 4 Defective limit switch 4 Check limit switch with continuity tester If open replace limit switch 5 Improper thermostat or 5 Check wiring per diagrams transformer wiring Defective gas valve Replace gas valve 7 Defective thermostat 7 Check thermostat and replace if defective Defective transformer Be sure 115 volts is supplied to the transformer primary then check for 24 volts at secondary terminal before replacing 9 Loose wiring 9 Check and tighten all wiring connections per diagrams 10 Defective ignition control 10 Replace if necessary Also see U V and W symptoms Condensation of water vapor 1 Improper venting 1 Refer to Installation Venting p 18 J Burner won t turn off 1 Poor thermostat location 1 Relocate thermostat away from drafts 2 Defective thermostat 2 Replace thermostat 3 Impr
20. 7 1 58 6 93 7 1 748 44 0 03 4 662 17 0 22 Notes 1 Ratings are shown for unit installations at elevations between 0 and 2 000 ft 610 m 2 For unit installations in U S A above 2 000 ft 610 m the unit input must be derated 4 percent for each 1 000 ft 305 m above sea level refer to local codes or in absence of local codes refer to the latest edition of the National Fuel Gas Code ANSI Standard Z223 1 N F P A No 54 3 For installations in Canada any references to deration at altitudes in excess of 2 000 ft 610 m are to be ignored 4 At altitudes of 2 000 to 4 500 ft 610 to 1372 m the unit must be derated 90 percent of the normal altitude rating and be so marked in accordance with the ETL certification Figure 6 Pressure Drop inches water Temperature Rise 10 Temperature rise and pressure drop graph EAF SAA I ea ra t La 12000 14000 16000 GLND SVX01B EN Installation Mechanical NOTICE Equipment Damage Do not install duct furnaces in corrosive or flammable atmospheres Premature failure of or severe damage to the unit could result Avoid locations where extreme drafts can affect burner operation Duct furnaces must not be installed in locations where air for combustion would contain chlorinated halogenated or acidic vapors If located in such an environment premature failure of the unit could occur When the unit is equip
21. 746 98 POSITIONS NS RIGHT LEFT 200 26 1 8 23 3 4 25 3 8 5 32 1 8 1 2 1 2 232 TINENSTONS STANDARD UNITS 664 603 645 127 816 105 DIMENSIONS IN PARENTHESIS XX MILLIMETERS 225 28 778 26 172 28 178 5 34 778 3 4 1 2 or 3 4 254 733 673 714 127 886 115 250 31 5 8 29 1 4 30 7 8 5 37 5 8 3 4 1 2 or 3 4 263 803 743 784 127 956 119 300 37 1 8 34 3 4 36 3 8 6 43 1 8 3 4 1 2 or 3 4 312 943 883 924 152 1095 142 350 42 5 8 40 1 4 41 7 8 6 48 5 8 3 4 1 2 or 3 4 389 1083 1022 1064 152 1235 176 400 48 1 8 45 3 4 47 3 8 6 54 1 8 3 4 1 2 or 3 4 403 1222 1162 1203 152 1375 183 Figure 5 Power Vented Duct Furnace side service access D DIA FLUE OPENING ALTERNATE HORIZONTAL VENT BY THE MER FOR 300 3507 POSITION De REDUCER UWA SUPPLIED BY in i ow STANDARD VERTICAL VENT POSITION INSTALLER IF ONE IS REQ 5 1 8 mo a25 aao TA LE HANGING M E re lt 4 3 8 16UNC n NUT RETAINERS 4 F R HANGING 921 483 19 I B OPENING SD DPENING one FRONT AND REAR OPENING NNUS OPENING FAR SIDEN 1 t FA Ar 4 ed Et s e FAR SIDES DEA AROU ee 71146 AND REAR 24 D3624C 610 479 I Jie 5 267 179 Bat 660 VIEW 660 c VIEN 100 400 MBTU
22. AWARNING Heavy Objects Ensure that all hardware used in the suspension of each duct furnace is capable of supporting the unit weight Failure to do so could result in unit falling off its mounting location which could result in death or serious injury NOTICE Equipment Damage The duct furnace must be hung level from side to side and front to back from four suspension points provided at the top of the unit Failure to do so could result in poor performance and or premature failure of the unit Refer to Figure 9 p 14 for typical suspension arrangements AWARNING Heavy Objects Make certain that the lifting methods used to lift the duct furnace and the method of suspension used in the field installation of the duct furnace are capable of uniformly supporting the weight of the furnace at all times Make certain that the structure to which the furnace is mounted is capable of supporting its weight Under no circumstances must the heater gas lines the venting system or the electrical conduit be used for support Failure to follow recommendations could result in death serious injury or property damage e TRANE Installation Mechanical Figure 9 Ze speep erie OUTSIDE NUT RETAINER JACKET TYPICAL SIDE BY SIDE 8 POINT DUCT SUSPENDING ARRANGEMENT ji n NOTE WHEN TWO UNITS ARE JOINED SIDE BY SII iN THE FIELD A SOLID PIECE OF
23. ED is facing the unit heater attach the top panel P N 251 07942 00X to the top bracket and the two 2 side panels Note The top panel must be attached so that the side with the larger holes is facing the unit heater this is a requirement for later steps in this installation procedure Using the enclosed 8 18 x 1 2 screws and with the bottom panel oriented such that the side with the larger holes is facing the unit heater attach the bottom panel P N 251 07943 00X to the bottom bracket and the two 2 side panels Note The bottom panel must be attached so that the side with the larger holes is facing the unit heater this is a requirement for later steps in this installation procedure TU ATTACH TOP BRACKET REMOVE THESE SCREWS BOTH SIDES AND INSTALL TOP BRACKET USING SCREWS REMOVED THEN PRE DRILL HOLES 1 8 125 DIA USING THE HOLES IN THE TOP BRACKET AS A GUIDE AND THEN INSTALL THE REST OF THE SCREWS TD FINISH THE INSTALLATION RIGHT _ REAR Re 00 FRONT LEFT 30 NOZZLE LOUVERS amp CONE SPRINGS SAVED FROM UNIT HEATER LTO ATTACH BOTTOM BRACKET REMOVE TOP SCREW 2 PLACES AND INSTALL BOTTOM BRACKET USING SCREWS REMOVED THEN PRE ORILL HOLES 1 8 125 DIA USING THE HOLES IN THE BOTTOM BRACKET AS A GUIDE AND BOTTOM PANE THEN INSTALL THE REST OF THE SCREWS TO FINISH THE INSTALLATION BOTTOM BRACKET For 30 degree nozzle assemblies Go to Step 10 For 60 and 90 degree n
24. Electronic Modulating with Room T Stat Intermittent Pilot Ignition J Electronic Modulating with Duct Stat Intermittent Pilot Ignition L Electronic Modulating with External 4 20 mA Input N Electronic Modulating with External 0 10 Vdc Input T Single Stage Direct Spark Ignition V Two Stage Direct Spark Ignition Digit 10 Design Sequence Seventh Design Digit 11 Heat Exchanger Material 1 Aluminized Steel 3 321 Stainless Steel Digit 12 Rooftop Arrangements 0 None Indoor Unit Digit 13 Rooftop Heating Unit Motor Selection 0 None Indoor Unit and Rooftop Duct Furnace Digit 14 Rooftop Fan Section 0 None Indoor Unit and Rooftop Duct Furnace Digit 15 Miscellaneous Options 0 None A 31409 Stainless Steel Burners B Orifices For Elevation Above 2000 Feet Specify Elevation 31409 Stainless Steel Draft Diverter Summer Winter Switch Horizontal Louvers Horizontal and Vertical Louvers Side Access Burner Drawer Left Hand Fan Time Delay Control Side Access Burner Drawer Right Hand omo r The left or right hand side of the side access burn er drawer options K amp M is determined by facing the air outlet side of the duct furnace Horizontal Blower Assembly Digit 1 2 3 Horizontal Blower Assembly Digit 4 Development Sequence C Third Generation Digit 5 6 Blower Size 15 Nominal 1500 cfm 20 Nominal 2000 cf
25. MIN ROOF FLASHING 2 CLEARANCE 51MM THIMBLE VENT PIPE DIAMETER SEE GAS PIPE SIZING CHART GLND SVX01B EN e TRANE Installation Piping Figure 15 Horizontal arrangement single wall vent system to double wall termination HORIZONTAL ARRANGEMENT SINGLE WALL VENT SYSTEM TO DOUBLE WALL TERMINATION BUILDING ADJACENT DVERHANG BUILDING SEAL JOINT BETWEEN SINGLE WALL VENT AND DOUBLE WALL VENT AND THE ANNULAR SPACE OF THE DOUBLE WALL VENT VENT PIPE DIAMETER APPROVED SEE SPECIFICATION TABLE 1 VENT CAP 3 0 MIN SEE INSTRUCTIONS 50 9 MIN 12 MIN e C305 mm MIND 6 0 MIN TO PREVENT L M MIND BUILDING MATERIAL DEGRADATION FROM FLUE GASES PITCH FLUE PIPE DOWN TOWARD OUTLET 1 4 PER FOOT lt 21MM M gt FLASHING OF RUN TO ALLOW FOR 10 wae 3 FEET 914 PLUS 803 254MM CONDENSATE DRAINAGE MAXIMUM SNOW DEPTH MAX IMUM FOR AREA ABOVE GRADE CLEARANCE TO BE AS SPECIFIED D3661E BY VENT MANUFACTURER Figure 16 Vertical arrangement single wall vent system to double wall termination VERTICAL ARRANGEMENT SINGLE WALL VENT SYSTEM TO DOUBLE WALL TERMINATION Ind 6 0 MIN MIN APPROVED VENT CAP SEE INSTRUCTIONS ADJACENT BUILDING T 2 FEET 609 PLUS MAXIMUM SNOW DEPTH FOR AREA VERTICAL PIPE EX TENSION OVER 12 C305MM MUST BE INSULATED ROOF
26. Mounting Bracket Item 3 at motor end only Separated Combustion Units Remove both tubes at motor end only note location Mark locations of the Relay Junction Box and Pressure Switch Mounting Brackets along with the Motor Item 10 mounts on the Mounting Adapter Plate Item 4 using a marker Remove nut Item 5 that secures the Motor Support Shipping Bracket Item 6 to the Mounting Adapter Note All hardware screws nuts washers that will be removed from the unit will be reused for this motor replacement DO NOT LOSE ANY OF THESE PARTS Ref Description 1 Relay J unction Box Mounting Bracket Assembly 2 8 Drill Screws 2 required 3 Pressure Mounting Bracket Assembly 4 Mounting Plate Adapter 5 Keps Nut w External Tooth Lockwasher 4 required Y 6 Motor Support Shipping Bracket 7 Phillips Head Screws 3 required 8 Power Venter Blower Housing 9 Blower Wheel 10 Motor 11 Space Washers 3 required 12 Machine Screw 3 required 13 Sensing Tube 14 Set Screw Plate Pull this bracket away from the Motor Mounting Adapter Plate Remove three phillips head screws Item 7 on the Motor mounting Adapter Plate Remove the Motor Blower Wheel Adapter Plate assembly from the Power Venter Blower Housing Item 8 Remove the Blower Wheel Item 9 from the motor shaft by removing the set screw Item 14 using 1 8 in Allen Wrench Remove the three Motor Mounting Nuts Item 5 Space Washers
27. ND SVX01B EN e TRANE NOTICE Maintain Minimum Thermostat Setting Duct furnaces should not be installed to maintain low temperatures and or freeze protection of buildings A minimum of 50 F 10 C thermostat setting must be maintained If duct furnaces are operated to maintain lower than 50 F 10 C hot flue gases are cooled inside the heat exchanger to a point where water vapor a flue gas by product condenses onto the heat exchanger walls The result is a mildly corrosive acid that prematurely corrodes the aluminized heat exchanger and can actually drip water down from the duct furnace onto the floor surface Additional duct furnaces should be installed if a minimum 50 F 10 C thermostat setting cannot be maintained Failure to follow these recommendations could result in equipment or property damage AWARNING Overheating or Flooding Could Cause Fire or Explosion Overheating or flooding where any part of the duct furnace has been under water could result in fire or explosion Should overheating occur or the gas supply fails to shut off shut off the manual gas valve to the duct furnace before shutting off the electrical supply Do not use the duct furnace if any part has been under water Immediately call a qualified service technician to inspect the duct furnace and replace any gas control which has been underwater Failure to follow these recommendations could result in death or serious injury
28. Propane Gas Burning Appliances and Equipment These indoor duct furnaces have been designed and certified to comply with CSA 2 6 Also see sections on installation in Aircraft Hangers p 11 and Public Garages p 11 Do not alter the duct furnace any way or damage to the unit and or severe personal injury or death could occur Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury Follow installation instructions CAREFULLY to avoid creating unsafe conditions All wiring should be done and checked by a qualified electrician using copper wire only All external wiring must conform to applicable local codes and to the latest edition of the National Electrical Code ANSI NFPA No 70 e All gas connections should be made and leak tested by a suitably qualified individual per instructions in this manual Also follow procedures listed Gas Equipment Start Up p 32 e Use only the fuel for which the duct furnace is designed see rating plate Using LP gas in a heater that requires natural gas or vice versa will create the risk of gas leaks carbon monoxide poisoning and explosion Important Do not attempt to conve
29. UST follow all recommendations below Failure to do so could result in death or serious injury For Your Safety The use and storage of gasoline or other flammable vapors and liguids in open containers in the vicinity of this appliance is hazardous If you smell gas 1 Open windows 2 Do not touch electrical switches 3 Extinguish any open flame 4 Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions Approved For Use in California When Equipped With Spark Ignition AWARNING Toxic Hazard Install operate and maintain unit in accordance with manufacturer s instructions to avoid exposure to fuel substances or substances from incomplete combustion which could result in death or serious illness The state of California has determined that these substances may cause cancer birth defects or other reproductive harm Installer s Responsibility Installer Please Note This equipment has been test fired and inspected It has been shipped free from defects from our factory However during shipment and installation problems such as loose wires leaks or loose fasteners may occur It is the installer s responsibility to inspect and correct any problems that may be found Receiving Instructions Inspect shipment immediately when received to determine if any damage has occurred to the unit during shipment After the unit has been uncrated check for any visible damag
30. aces for operation Do not straighten the 90 duct connection Table 3 Minimum clearances flanges on the duct furnaces Straightening the 90 duct connection flanges will affect the operation of the Sides 6 152 mm furnace and will void the warranty Top 6 152 mm NE E Eoi 152 If uniform air distribution is not obtained install additional mm baffles and or turning vanes in the ductwork Flue 6 152 mm Note When the clearances reguired for accessibility are greater than the minimum reguired safety clearances the accessibility clearances take precedence Accessibility If the unit is a bottom service access type allow a minimum of 21 inches 533 mm at the bottom of the unit to facilitate servicing the burners and pilot or six inches 152 mm if the unit has a side access burner drawer Provision should also be made to assure accessibility for recurrent maintenance purposes Drafts Avoid installing the duct furnace in an extremely drafty location Strong drafts may cause pilot outage Units with intermittent pilot ignition may be preferable in areas where drafts cannot be avoided Atmospheres containing commercial solvents or chlorinated hydrocarbons will produce corrosive acids when coming in contact with the flames This will greatly reduce the life of the gas duct furnace and may void the warranty Avoid such areas AWARNING Fire Hazard If the gas duct furnace is to be use
31. anual shut off valve with 1 8 In NP T plugged tapping accessible for test gage con nection must be installed immediately upstream of the gas supply connection to the appliance When installed within the Commonwealth of Massachusetts handle gas cock must be used Ground Joint Union To Controls Plugged 1 8 In Test Goge Connection Drip Pocket The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa 18 The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa Table 5 Gas piping requirements Gas Type Natural Gas Propane LP Gas Single Stage Gas Piping Requirements Manifold Pressure 3 5 in wc 10 0 in wc 0 9 kPa 2 5 kPa Supply Inlet Pressure 14 0 in wc Max 14 0 in wc Max 3 5 kPa 3 5 kPa 5 0 in wc Min 11 0 in wc Min 1 2 kPa 2 7 kPa Two Stage Gas Piping Requirements b 11 5 in wc Min 2 9 kPa Supply Inlet Pressure 6 5 in wc Min 1 6 kPa a For single stage applications only at normal altitudes b For two stage applications only at normal altitudes Installation Venting ANSI now organizes vented appliances int
32. at 1 Thermostat malfunction 1 Replace thermostat 2 Heater runs continuously 2 Check wiring per diagrams check operation at valve Look for short such as staples piercing thermostat wiring and correct replace gas valve Refer to Operation p 27 S Cold air is delivered on start up 1 Fan relay heater element 1 Be sure fan relay heater terminals are connected improperly wired diagrams T Cold airis delivered during heater 1 Incorrect manifold pressure or 1 Refer to Operation p 27 operation input 2 Voltage to unit too high 2 Check motor voltage with fan running Should be 115 volts AC 3 Air throughput too high 3 Refer to Operation 27 40 GLND SVX01B EN E TRANE Diagnostics Table 9 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action U No Spark 1 Thermostat not calling for heat 1 Close thermostat contacts 2 No low voltage 2 Check for 24V across 24V terminals of S8600 3 Spark gap closed or too wide 3 Set gap to 0 1 4 Broken or cracked ceramic on 4 Replace pilot assembly spark electrode V Spark present but pilot does not 1 Loose S8600 connections 1 Check all connections term PV feeds 24V to pilot valve light 2 Improper gas pressure 2 Check pressure pressure that is either too high or too low may cause a problem Is spark in pilot gas stream Spark should arc from electrode No pilot gas do notuse matchto 4 Check pi
33. burner ports 2 Clean main burner ports permissible 3 Misaligned orifices 3 Replace manifold assembly 4 Clogged draft hood 4 Clean draft hood 5 Air shutter linted 5 Check for dust or lint at air mixer opening and around the air shutter 6 Insufficient combustion air 6 Clean combustion air inlet openings in bottom panel see Installation Piping p 16 E Floating flame 1 Blocked venting 1 Clean flue Refer to Installation Piping p 16 2 Insufficient combustion air Clean combustion air inlet openings in bottom panel see Blocked heat exchanger Air leak into combustion chamber or draft hood Installation Piping p 16 Clean heat exchanger Determine cause and repair accordingly 38 GLND SVX01B EN E TRANE Diagnostics Table 9 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action F Gas Odor 1 Shut off gas supply 1 Inspect all gas piping and repair immediately 2 Blocked heat exchanger venting 2 Clean heat exchanger flue 3 Drafts around heater 3 Eliminate drafts Refer to Installation Mechanical p 11 4 Negative pressure in building 4 See Installation Piping p 16 5 Blocked draft hood 5 Clean draft hood G Delayed ignition 1 Excessive primary air 1 Close air shutter Refer to Operation p 27 2 Main burner ports clogged near 2 Clean main burner ports pilot Pressure regulator set
34. cedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury AWARNING Hazardous Voltage and Gas Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury AWARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE amp ELECTROCUTION hazards To avoid the
35. cedures In addition some states or municipalities may have additional requirements that 2012 Trane All rights reserved must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them AWARNING Proper Field Wiring and Grounding Reguired All field wiring MUST be performed by gualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow reguirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow code could result in death or serious injury AWARNING Personal Protective Equipment PPE Required Installing servicing this unit could result in exposure to electrical mechanical and chemical hazards e 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 When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations e If there is a risk of arc or flash technicians MUST put on all Personal Protective Equipment PPE in accordance with NFPA 70E or other country specific requirements
36. check all other controls not listed Check operation of remote panel O Entering airtemp For C O Discharge air temp high fire C O External static pressure in wc 32 GLND SVX01B EN Maintenance AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Periodic Service All Maintenance Service information should be recorded accordingly on the inspection sheet provided in this manual see Gas Equipment Start Up p 32 Note The heater and vent system should be checked once a year by a qualified technician AWARNING Hazardous Voltage and Gas Turn off the gas supply and disconnect all
37. d in a building classified as having a hazardous atmosphere the installation must comply with the standards set by the National Board of Fire Underwriters Consult the authorities having jurisdiction before starting the job Failure to follow recommendations could result in death or serious injury The duct furnace must be installed on the positive pressure side of the air circulation blower 12 Figure 7 and Figure 8 illustrate recommended ductwork designs for both the straight through and elbowed air inlet arrangements Figure 7 Recommended design for field installation of ductwork for straight through arrangement AIR BAFFLE CANVAS CONNECTOR FAN WHEEL d GAS DUCT I A FURNACE DIMENSION A 1 1 2 X DIMENSION B GLND SVX01B EN Recommended ductwork design for elbowed arrangement Figure 8 TURNING VANES _ y AIR BAFFLE N A CANVAS N CONNECTOR BE LZ Lm GAS DUCT FURNACE MEAM LL I 24 X 610MM 7 MIN SYSTEM FAN 77 Se Sete Access panels large enough to observe smoke and reflected light and to detect the presence of leaks in the heating equipment are required both upstream and downstream from gas duct furnaces These panels must be sealed to prevent air leaks If allowed by local regulations install ca
38. e to the unit If any damage is found the consignee should sign the bill of lading indicating such damage and immediately file claim for damage with the transportation company Important It is the equipment owner s responsibility to provide any scaffolding or other apparatus required to perform emergency service or annual periodic maintenance to this equipment C US LISTED Intertek GLND SVX01B EN Table of Contents Warnings Cautions and Notices 2 Model Number Descriptions 6 Indoor Gas Heating Units 6 Horizontal Blower Assembly 6 General Information 7 Description 7 General Safety Information 7 Identification of Parts 8 Unit Dimensions and Weights 9 Installation Mechanical 11 Clearances 12 AWA Ia 13 Combustion Inlet Air Ventilation 13 Suspension 13 Nozzle Assembly 14 Installation Piping 16 Gas Piping 16 Pipe SiZing 16 Pipe Installation 17 Installation Venting 18 Venting for Power Vented Category III Duct F rnaceS RES 19 Installation Electrical 25 Electrical Connections 25 Thermostat Wiring and Locatio
39. electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury Important Gas tightness of the safety shut off valves must be checked on at least an annual basis AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property only damage To check gas tightness ofthe safety shut off valves turn off the manual valve upstream of the appliance combination control Remove the 1 8 inch pipe plug on the inlet side of the combination control and connect a manometer to that tapping Turn the manual valve on to apply pressure to the combination control Note the pressure reading on the GLND SVX01B EN e TRANE manometer then turn the valve off A loss of pressure indicates a leak If a leak is detected use a soap solution to check all threaded connections If no leak is found combination control is faulty and must be replaced before putting appliance back in service Should maintenance be required perform the following inspection and serv
40. ex FRANE Installation Operation and Maintenance Gas Unit Heater Indoor Gas Fired Duct Furnace A SAFETY WARNING 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 March 2012 GLND SVX01B EN S TRANE Warnings Cautions and Notices Warnings Cautions and Notices Note thatwarnings cautions and notices appear at appropriate intervals throughout this manual Warnings are provide to alert installing contractors to potential hazards that could result in death or personal injury Cautions are designed to alert personnel to hazardous situations that could result in personal injury while notices indicate a situation that could result in equipment or property damage only accidents Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions Read this manual thoroughly before operating or servicing this unit ATTENTION Warnings Cautions and Notices appear at appropriate sections throughout this literature Read these carefully
41. for arc flash protection PRIOR to servicing the unit Failure to follow recommendations could result in death or serious injury ATTENTION READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THESE UNITS CHECK UNIT DATA PLATE FOR TYPE OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT POINT OF INSTALLATION RECORD THE UNIT MODEL AND SERIAL No s IN THE SPACE PROVIDED RETAIN FOR FUTURE REFERENCE GLND SVX01B EN AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury AWARNING Overheating or Flooding Could Cause Fire or Explosion Over
42. g Gas Piping AWARNING Flammable Vapors When connecting to existing gas lines be sure to valve off the gas supply ahead of connection point To avoid explosion or possible fire always purge all residual gas from piping before cutting into existing line or removing threaded fittings Failure to remove all gas vapors could result in death or serious injury or equipment or property only damage Pipe Sizing To provide adequate gas pressure at the gas duct furnace size the gas piping as follows 1 Find the ftS hr by using the following formula Input 3 Btu per ft 2 Refer to Table 4 17 Match Length of Pipe with appropriate Gas Input Ft Hr value This value can then be matched to the pipe size at the left of the table Example It is determined that a 67 foot 20 4 m run of gas pipe is required to connect a 200 MBtu gas duct furnace to a 1 000 Btu ft 0 29 kW natural gas supply 200 000 200 ft3 hr Using Table 4 p 17 a 1 inch nominal diameter pipe is needed Notes e See General Safety Information p 7 for English SI metric unit conversion factors e fmorethanone gas duct furnace is to be served by the same piping arrangement the total cubic feet per hour input and length of pipe must be considered e Ifthe gas duct furnace is to be fired with LP gas refer to Table 4 and consult the local LP gas dealer for pipe size information AWARNING Hazard of E
43. he unit 8 Checkthe burner adjustment see Primary Air Shutter Adjustment p 30 9 Check all gas control valves and pipe connections for leaks 10 Check the operation of the automatic gas valve by lowering the setting of the thermostat stopping the operation ofthe gas duct furnace The gas valve should close tightly completely extinguishing the flame on the main burners 11 Check the operation of the pilot safety device by closing the pilot line valve extinguishing the pilot flame Within one minute the automatic gas valve 33 e Maintenance should close extinguishing the flame on the main burners 12 Inspect and service the blower section of the system 13 Check and test the operational functions of all safety devices supplied with your unit 34 GLND SVX01B EN e TRANE Maintenance Figure 23 Power venter assembly Power Vented Duct Furnaces only USE THIS ASSEMBLY FOR ALT HORIZONTAL RIGHT VENT POSITION y Y wW ie m ya b ZW SCR A LU p wa RNC USE THIS ASSEMBLY FOR i STD VERTICAL VENT AND ALT HORIZONTAL LEFT VENT POSITIONS 8 v NOTE DD NDI DVERIIGHTEN CELCUN NUT 7 lt SEE DETAIL HAND TIGHTEN ONLY DO NOT USE TOOLS For usage see Figure 4 p 9 Figure 5 p 9 Figure 12 p 21 Figure 17 p 24 Figure 19 p 24 and Table 1 p 9
44. heating or flooding where any part of the duct furnace has been under water could result in fire or explosion Should overheating occur or the gas supply fails to shut off shut off the manual gas valve to the duct furnace before shutting off the electrical supply Do not use the duct furnace if any part has been under water Immediately call a qualified service technician to inspect the duct furnace and replace any gas control which has been underwater Failure to follow these recommendations could result in death or serious injury AWARNING Hazardous Gases and Flammable Vapors Exposure to hazardous gases from fuel substances have been shown to cause cancer birth defects or other reproductive harm Improper installation adjustment alteration service or use of this product could cause flammable mixtures To avoid hazardous gases and flammable vapors follow proper installation and set up of this product and all warnings as provided in this manual Failure to follow all instructions could result in death or serious injury GLND SVX01B EN E TRANE Warnings Cautions and Notices Trademarks Trane and the Trane logo are trademarks of Trane in the United States and other countries All trademarks referenced in this document are the trademarks of their respective owners Dow Corning is a registered trademark of Dow Corning Corporation TRANE Introduction AWARNING Safety Alert You M
45. ho has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Table 9 Troubleshooting guide Symptoms Possible Cause s Corrective Action A Flame lifting from burner ports 1 Pressure regulator set too high 1 Reset manifold pressure Refer to Operation p 27 2 Defective regulator 2 Replace regulator section of combination gas valve or complete valve 3 Burner orifice too large 3 Check with local gas supplier for proper orifice size and replace Refer to Operation p 27 B Flame pops back 1 Excessive primary air 1 Close air shutter Refer to Operation p 27 2 Burner orifice too small 2 Check with local gas supplier for proper orifice size and replace Refer to Operation p 27 C Noisy flame 1 Too much primary air Close air shutter 2 Noisy pilot 2 Reduce pilot gas Refer to Operation p 27 3 Irregular orifice causing whistleor 3 Replace orifice resonance 4 Excessive gas input 4 Reset manifold pressure Refer to Operation p 27 Replace regulator section of combination gas valve or complete valve or check with local gas supplier for proper orifice size and replace Refer to Operation p 27 D Yellow tip flame some yellow 1 Insufficient primary air 1 Open air shutters Refer to Operation p 27 tipping Of propane gas s 2 Clogged main
46. ice routine 1 Inspectthe area nearthe unitto be sure thatthere is no combustible material located within the minimum clearance requirements listed in this manual see Installation Mechanical p 11 and Table 3 p 12 AWARNING Combustible Materials Maintain proper clearance between the unit heat exchanger vent surfaces and combustible materials Refer to unit nameplate and installation instructions for proper clearances Improper clearances could result in a fire hazard Failure to maintain proper clearances could result in death or serious injury or property damage 2 Turn off the manual gas valve and electrical power to the gas duct furnace 3 To clean or replace the main burners remove the bottom panel and compress the spring by moving the burner toward the manifold Slide the opposite end of the burner downward from the locating slot while retaining spring is still compressed Pull the burners away from the manifold 4 With the burners removed wire brush the inside surfaces of the heat exchanger 5 Remove any dirt dust or other foreign matter from the burners using a wire brush and or compressed air Ensure that all parts are unobstructed Inspect and clean pilot burner if necessary 6 Reassemble the gas duct furnace by replacing all parts in reverse order 7 Complete the appropriate unit start up procedure as given in Operation p 27 see lighting instruction plate on the access side of t
47. in death serious injury or property damage Explanation of Controls 1 The duct furnace is equipped with a dual automatic gas valve and electric ignition device separate from the gas valve on most models which provide the following functions a The duct furnace is equipped with a power vent system consisting of a power venter motor and blower pressure switch and sealed flue collector in place of the conventional draft diverter Operate Unit within Specified Units Never operate the unit beyond the specified limits severe damage to and or premature failure of the unit will result b The power venter motor is energized by the room thermostat on a call for heat The pressure switch measures the flow through the vent system and energizes the indirect spark ignition system when the flow is correct AWARNING Risk of Fire and Carbon Monoxide Poisoning The pressure switch MUST NOT be bypassed The unit MUST NOT be fired unless the power venter is operating Failure to follow these recommendations could result in death or serious injury Additional Devices The addition of external draft hoods or power venters is not permitted Addition of such devices could cause severe unit malfunction or failure GLND SVX01B EN e TRANE c The indirect spark ignition system consists of an ignition control module a dual combination gas valve and a spark ignited pilot burner When the pressure sw
48. in the United States and ULS636 for installations in Canada Power vented units are designed to be used with single wall vent pipe utilizing horizontal or vertical venting arrangements These arrangements must terminate external to the building using either a single wall or double wall vent See Figure 11 p 20 through Figure 19 GLND SVX01B EN injury If double wall venting other than Type B see preceding warning is used components which are UL Listed and approved for Category Ill positive pressure venting systems MUST be used A Briedart Type L Field Starkap or an equivalent vent cap must be supplied by the customer for each power vented unit The vent pipe diameter MUST be as specified in Table 1 p 9 D Dia Flue Opening A reducer must be field installed for 100 through 175 MBh Unit Sizes All 300 through 400 MBh Unit sizes are factory equipped with the required flue increaser Refer to Figure 11 p 20 through Figure 19 p 24 for additional requirements The venting system for these appliances shall terminate at least four feet 1 2 m below four feet 1 2 m horizontal from or one foot 0 3 m above any door window or gravity air inlet into any building Through the wall vents for these appliances shall NOT terminate over public walkways or over an area where condensate or vapor could create a nuisance or hazard or could be detrimental to the operation of regulators relief valves or other equipment
49. ipped with a pressure regulator on the combination gas valve follow Step a through Step d above If the unit is not 30 so equipped the propane gas supply system pressure must be regulated to attain this manifold operating pressure Table 8 Main burner orifice schedule Type of Gas Natural Propane Heating 1075 BTU ft3 2500 BTU ft3 Inputin Value 40 1 MJ m3 93 1 MJ m3 1000 Manifold 10 wc 2 5 kPA Burner BTU a Pressure 3 5 wc 0 9 kPA Orifices 100 ft3 hr 96 40 4 Orifice Drill 42 54 125 ft3 hr 120 50 5 Orifice Drill 42 54 150 ft3 hr 140 60 6 Orifice Drill 42 54 175 ft3 hr 163 70 7 Orifice Drill 42 54 200 ft3 hr 186 80 8 Orifice Drill 42 54 225 ft3 hr 210 90 9 Orifice Drill 42 54 250 ft3 hr 233 100 10 Orifice Drill 42 54 300 ft3 hr 280 120 12 Orifice Drill 42 54 350 ft3 hr 326 140 14 Orifice Drill 42 54 400 ft3 hr 372 160 16 Orifice Drill 42 54 Note When installed in Canada any references to deration at altitudes in excess of 2000 feet 610 m are to be ignored At altitudes of 2000 to 4500 feet 610 to 1372 m the unit heaters must be orificed to 90 percent of the normal altitude rating and be so marked in accordance with the ETL certification a This schedule is for units operating at normal altitudes of 2000 feet 610 m or less SPECIAL ORIFICES ARE REQUIRED FOR INSTALLA TIONS ABOVE 2 000 FEET 610 m Primary Air Shutter Adjustment Af
50. itch closes the pilot valve opens and a spark is generated to light the pilot burner When the flame sensing circuit senses that pilot flame is established the main gas valve is opened to supply gas to the main burners When the thermostat is satisfied the vent system is de energized and both valves are closed to stop all flow of gas to the unit d Pilot solenoid valve also functions as a main gas valve to provide redundancy e Pressure regulator provides proper and steady gas pressure to the main burners f Manual shutoff valve for service and long term shut down Separate from the automatic valve on some models 2 The high limit switch interrupts the flow of electric current to the main gas valve in case the heater becomes overheated 3 Thefan switch delays the operation of the fan until the heater is warmed then keeps the fan running after the gas has been turned off until the useful heat has been removed The start up fan delay must not exceed 90 seconds from a cold start 4 The wall thermostat supplied optionally is a temperature sensitive switch which operates the vent system and ignition system itturns the main gas valve ON or OFF to control the temperature of the space being heated It must be mounted on a vibration free vertical surface away from air currents in accordance with the instructions furnished with the thermostat also refer to Installation Electrical p 25 Start Up 1 Open the manual
51. lot line for kinks Ensure there are no drafts test presence of gas is easily detected by the odor W Pilot lights Main valve does not 1 Loose S8600 connections 1 Check connections term MV feeds main valve energize 2 Cracked or broken sensor 2 Replace pilot assembly ceramic 3 Check sensor spark lead for 3 Replace if needed continuity 4 Measure 24 volts from term MVto 4 Ifpresent replace main valve if not replace 58600 Igniter term MV PV X Hi Limit switch tripping 1 Vertical run of flue is too short 1 Lengthen vertical run of flue pipe see Installation Standard unit only as Category Venting p 18 I 2 Unit is overfiring 2 Manifold pressure too high adjust Burner orifice may be Air flow too low Defective switch too large verify replace if required Increase air flow check fan size Check for proper voltage Replace GLND SVX01B EN 41 Indoor Gas Fired Duct Furnace Wiring Diagrams Figure 25 S TRANE r4 SNOlLdO MO SM3HIO A8 100 901 N9I 98460 vf m SHOR
52. low these recommendations could result in death or serious Venting for Power Vented Category III Duct Furnaces All duct furnaces must be vented AWARNING Carbon Monoxide Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times A blocked venting system could result in carbon monoxide poisoning Symptoms of such condition include grogginess lethargy inappropriate tiredness or flu like symptoms Failure to follow these recommendations could result in death or serious injury AWARNING Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use a pipe of a diameter other than that specified in Table 1 p 9 To prevent pipe from melting and introducing exhaust fumes into the air supply never use PVC ABS or any other non metallic pipe for venting To prevent fan restriction an elbow should never be attached directly to the venter Failure to follow recommendations could result in death or serious injury or equipment damage All venting installations shall be in accordance with the latest edition of Part 7 venting of Equipment of the National Fuel Gas Code ANSI Z223 1 or applicable provisions of local building codes for power vented units Also see p 21 for additional Canadian installations Horizontal vent systems must be in compliance with UL 1738 for installations
53. m 30 Nominal 3000 cfm 45 Nominal 4500 cfm Digit 7 Transition Size Specifies Duct Furnace Size 0 None A 100 MBh 225 125 MBh G 250MBh 150 MBh H 300MBh D 175 MBh J 350MBh 200 MBh K 400MBh Digit 8 Main Power Supply A 115 60 1 D 230 60 3 230 60 1 E 460 60 3 208 60 3 Digit 9 Motor Horsepower A 1 3hp D 1 1 2hp E 1 1 2 hp C 3 4hp F 2hp Digit 10 Design Sequence D Fourth Design Digit 11 Miscellaneous Options 0 None 1 Insulation 3 Totally Enclosed Motor GLND SVX01B EN General Information Description The duct furnace design is certified by ETL for use with natural and LP propane gases ANSI and NFPA Standards as well as Canadian installation codes referred to in this manual are the ones that were applicable at the time that the design was certified In addition the duct furnace may be installed on the downstream side of a cooling unit without need of a bypass duct If the unit is to be installed at an altitude exceeding 2 000 feet 610 m above sea level derate the input by 4 percent for each 1 000 foot 305 m rise above sea level Special orifices are required for installations above 2 000 feet 610 m When units are installed in Canada any reference to derations at altitudes in excess of 2000 feet 610 m are to be ignored At altitudes of 2000 to 4500 feet 610 to 1372 m the units must be o
54. m or a temperature sensitive alarm should be used When connecting to existing gas lines be sure to valve off the gas supply ahead of connection point To avoid explosion or possible fire always purge all residual gas from piping before cutting into existing line or removing threaded fittings Failure to remove all gas vapors could result in death or serious injury or equipment or property only damage Unless otherwise specified the following conversions Figure3 Burners Controls bottom view may be used for calculating SI unit measurements 1 foot 0 305 m 1 inch water column 0 249 kPa 1 inch 25 4 mm 1 meter second FPM 196 8 1 psig 6 894 kPa 1 liter second CFM x 0 472 1 pound 0 453 kg 1000 Btu per hour 0 293 kW 1 gallon 3 785 L 1000 Btu Cu Ft 37 5 MJ m3 1 cubic foot 0 028 m3 identification of Parts Figure 1 Burner assembly parts bottom view AIR BURNER INING SHUTTERS PE NE THERMOCOUPLE OR ELECTRODE SENSING LEAD LOCATION 1 Packaged Gas Valve 4 Burner Drawer 2 Pilot Observation Point 5 Flame Carryover 3 Pilot Burner Assembly Parts 6 Main Burner 8 GLND SVX01B EN e TRANE Unit Dimensions and Weights Figure 4 Power Vented Furnace bottom service access
55. n 25 Start Up 27 Operation 27 Power Vented Duct Furnaces with Intermit tent Spark Pilot Ignition 27 Gas Equipment Start Up 32 Maintenance 33 Periodic Service 33 Installation Instructions for Field Replace ment of Power Venter Motor 36 How to Order Replacement Parts 37 Diagnostics 38 Troubleshooting 38 GLND SVX01B EN S TRANE Model Number Descriptions Indoor Gas Heating Units Note All units are AGA approved For CGA approved units contact Air Handling Product Support Digit 1 Gas Heating Equipment G Gas Heating Equipment Digit 2 Product Type L High Efficiency Indoor Duct Furnace Digit 3 Fuel N Natural Gas P LP Gas Propane Digit 4 Development Sequence D Fourth Generation Digits 5 6 7 Input Capacity Single Furnace 003 30MBh 015 150 004 45 017 175 MBh 006 60MBh 020 200 MBh 007 75MBh 022 225 009 90MBh 025 250MBh 010 100 MBh 030 300 MBh 012 125 MBh 035 350 MBh 040 400 MBh Digit 8 Main Power Supply A 115 60 1 D 230 60 3 230 607 E 460 60 3 208 60 3 F 575 60 3 Digit 9 Gas Control Option D Single Stage Intermittent Pilot Ignition Two Stage Intermittent Pilot Ignition
56. nvas connectors between the ductwork and fan discharge opening to eliminate the transmission of mechanical vibration Air Flow The installation is to be adjusted to obtain an air throughput within the range specified on the appliance rating plate Combustion Inlet Air Ventilation Inlet Air From Another Room If the duct furnace is installed in a tightly constructed room or compartment provide two inlet air openings The size of each vent opening should be no less than one square inch 6 452 square centimeters of free area for each 1000 Btu hr 293 W input Each opening must not be less than 100 square inches 645 square centimeters Inlet Air From Outdoors If the enclosed space is to have inlet combustion air from the outside the vent opening must not be smaller than one square inch 6 452 square centimeters of free area for each 2500 3000 Btu hr 733 879 W input Each opening must not be less than 100 square inches 645 square centimeters Bypass When a gas duct furnace is installed to operate in conjunction with a summer air conditioning system the cfm air delivery of the system blower should be adjusted to meet the design air volume requirements for cooling If this cfm delivery is greater than that required for heating GLND SVX01B EN S TRANE Installation Mechanical resulting in a low air temperature rise install a damper bypass around the gas duct furnace to bypass a portion of the air Suspension
57. o four categories Table 6 Venting categories Non Condensing Condensing Negative Vent Pressure Positive Vent Pressure IV Category I Includes non condensing appliances with negative vent pressure like the traditional atmospheric unit heater Category Il Groups condensing appliances with negative vent pressure Category llI Appliances are non condensing and operate with a positive vent pressure Category IV Covers condensing appliances with positive vent pressure Note Category ll and IV do not apply to equipment specified within this manual GLND SVX01B EN AWARNING Carbon Monoxide Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times A blocked venting system could result in carbon monoxide poisoning Symptoms of such condition include grogginess lethargy inappropriate tiredness or flu like symptoms Failure to follow these recommendations could result in death or serious injury e TRANE Installation Piping p 24 for special installation requirements regarding these venting conditions AWARNING Risk of Carbon Monoxide Poisoning with Type B Vent Do not use a type B double wall vent internally within the building on power vented units Type B vent does not seal well under positive pressure and could result in exhaust fume leaks Failure to fol
58. ocated as shipped from the factory for safe operation Rotate only the blower housing If the power venter housing is to be moved to the right horizontal position the junction box must be rotated 90 degrees CCW to clear the connection To do this remove all wires conduit and conduit connector from the junction box noting location of wires Move box using holes provided Move 7 8 inch plug from bottom of box to side 20 Reconnect all wires according to the unit s wiring diagram Figure 11 Optional Top vent position j 4 a02 12 n Gs F l 453 4 J I AIR FLOW D3616A DETAIL G POSITIONS FRONT REAR RIGHT LEFT DIMENSIONS STANDARD UNITS DIMENSIONS IN PARENTHESIS XX MILLIMETERS Table 7 Vent systems termination clearance requirements Minimum for Structure Termination Locations Door window or any gravity air inlet 4 feet below 4 feet horizontally 1 foot above Forced air inlet within 10 ft 3 feet above Adjoining building or parapet 6 feet Adjacent public walkways 7 feet above grade a If the vent terminal is to be installed near ground level the vent terminal must be positioned at least six inches above the maximum anticipated snow depth see following for Canadian requirements GLND SVX01B EN Figure 12 Adaptor installation LUE VENT REDUCER DAPTUR zr 150 and 175 MBh unit sizes 5
59. oper thermostat or 3 Check wiring per diagrams transformer wiring at gas valve 4 Shortcircuit 4 Check operation at valve Check for short such as staples piercing thermostat wiring and correct 5 Defective or sticking gas valve 5 Replace gas valve Excessive gas supply pressure Refer to Installation Piping p 16 K Rapid burner cycling 1 Looseelectrical connectionsatgas 1 Tighten all electrical connections valve or thermostat 2 Excessive thermostat heat 2 Adjust thermostat heat anticipator for longer cycles Refer anticipator to Installation Electrical p 25 3 Unit cycling on high limit 3 Check for proper air supply across heat exchanger 4 Poor thermostat location 4 Relocate thermostat Do not mount thermostat on unit 5 Draft on pilot 5 Eliminate drafts Refer to Installation Mechanical p 11 6 Defective ignitor control 6 Replace ignitor 7 Defective high limit switch 7 Jumper high limit switch terminals 1 and 2 If burner operates normally replace switch L Noisy power venter 1 Power venter wheel loose 1 Replace or tighten Power venter wheel dirty Clean power venter wheel 3 Power venter wheel rubbing 3 Realign power venter wheel housing 4 Bearings are dry 4 Oil bearings on power venter motor Refer to label on motor M Pilot will not light or will not stay 1 Main gas off 1 Open all manual gas valves lit GLND SVX01B EN 39 e
60. or runs the fan relay is defective and must be replaced If 24V is not present check wiring per diagrams Power venter motor turns on and 1 Fan relay heater element 1 Be sure venter relay heater terminals are connected per off while burner is operating improperly wired diagrams 2 Defective venter relay switch 2 Replace venter relay 3 Motor overload protector cycling 3 Check motor amps against motor name plate rating check on and off voltage replace venter relay motor if defective 4 Motor not properly oiled 4 Referto label on motor P Power venter motor will not stop Improperly wired venter relay Check all wiring 2 Main burners not lighting while 2 Referto H and N symptoms thermostat calls for heat 3 Defective venter relay 3 Replace venter relay Q Not enough heat 1l Incorrect gas input 1 Refer to Operation p 27 2 Heater undersized 2 This is especially true when the heated space is enlarged Have the heat loss calculated and compare to the heater output 80 percent of input Your gas supplier or installer can furnish this information If heater is undersized add additional heaters Thermostat malfunction 3 Replace thermostat 4 Heater cycling on limit control 4 Check air movement through heat exchanger Check voltage to fan motor Clean power venter blade and heat exchanger and oil power venter motor 5 Check outside dampers if used 5 Adjust dampers accordingly R Too much he
61. ozzle assemblies Using the enclosed 48 18 x 1 2 screws and with the top and bottom panels oriented such that the sides with the larger holes are facing the unit heater create a sub assembly by attaching the top panel P N 251 07942 00X and the bottom panel P N 251 07943 00X to the left side panel P N 251 07945 and to the right side panel P N 251 07947 Note The top and bottom panels must be attached so that the sides with the larger holes are facing the unit heater this makes the assembly easier GLND SVX01B EN e TRANE Installation Mechanical RIGHT REAR FRONT LEFT 60 NOZZLE BOTTOM PANEL Note For 90 degree nozzle assemblies repeat Step 8 to create a second sub assembly 9 For 60 and 90 degree nozzle assemblies Using the enclosed 48 18 1 2 screws attach the sub assembly created in Step 8to the 30 degree assembly installed to the unit in Step 1 through Step 6 of this procedure Attach the corresponding panels i e top panel to top panel right side panel to right side panel etc Note For 90 degree nozzle assemblies install the second sub assembly by attaching it to the first sub assembly Attach the corresponding panels i e top panel to top panel right side panel to right side panel etc 90 NOZZLE BOTTOM PANEL LOUVERS amp CONE SPRINGS SAVED FROM UNIT HEATER 10 Install the louvers and cone springs GLND SVX01B EN 15 S TRANE Installation Pipin
62. ped with an automatic gas ignition system the duct furnaces must be installed such that the gas ignition control system is not directly exposed to water spray rain or dripping water Note Location of duct furnaces is related directly to the selection of sizes Basic rules are as follows Aircraft Hangers Duct furnaces must be installed in aircraft hangars and public garages as follows in aircraft hangars duct furnaces must be at least 10 feet 3 0 m above the upper surface of wings or engine enclosures of the highest aircraft to be stored in the hangar and 8 feet 2 4 m above the floor in shops offices and other sections of the hangar where aircraft are not stored or housed Refer to current ANSI NFPA No 409 Aircraft Hangars In Canada installation is suitable in aircraft hangars when acceptable to the enforcing authorities Public Garages In repair garages duct furnaces must be installed in a detached building or room separate from repair areas as specified in the latest edition of NFPA 88B Repair Garages In parking structures duct furnaces must be installed so that the burner flames are located a minimum of 18 inches 457 mm above the floor or protected by a partition not less than 18 inches 457 mm high Refer to the latest edition of NFPA 88A Parking Structures In Canada installation must be in accordance with the latest edition of CSA B149 Installation Codes for Gas Burning Appliances and Equipment GL
63. position 2 Turn off the electricity 3 relight follow the instructions in Start Up p 27 preceding section See Figure 21 p 29 for burner component parts identification 28 GLND SVX01B EN Figure 21 Burner components intermittent pilot ignition Burner Drawer Common Parts 1 Main Burners 2 Burner Manifold Note Manifold shown for duct furnaces with bottom service access Air Shutters Burner Springs Main Burner Orifice Transformer Pilot Tubing Controls 8A Main Gas Valve Honeywell 8B Main Gas Valve White Rodgers 9 Honeywell Ignitor 10 Honeywell Pilot Burner 11 Honeywell Pilot Orifice 13 High Limit Safety device located on the rear header plate of the heat exchanger air inlet side NOU BW a Also refer to Figure 1 p 8 through Figure 3 p 8 Figure 23 p 35 and Figure 24 p 36 for component locations GLND SVX01B EN 29 Gas Input Rate Overfiring Never overfire the duct furnace as this could cause unsatisfactory operation or shorten the life of the heater Check the gas input rate as follows 1 Turn off all gas appliances that utilize gas through the same gas meter as the heater Turn gas on to the unit heater Using the gas meter clock the time that it
64. rificed to 90 percent of the normal altitude rating and be so marked in accordance with the ETL certification General Safety Information Important This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts AWARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury Installation must be made in accordance with local codes or in absence of local codes with the latest edition of ANSI Standard Z223 1 No 54 National Fuel Gas Code All of the ANSI and NFPA Standards referred to in these installation instructions are those that were applicable at the time the design of this appliance was certified The ANSI Standards are available from the CSA Information Services 1 800 463 6727 The NFPA Standards are available from the National Fire Protection Association Batterymarch Park Quincy MA 02269 These duct furnaces are designed for use in airplane hangars when installed in accordance with current ANSI NFPA No 409 and in public garages when installed in accordance with current NFPA No 88A and NFPA No 88B If installed in Canada the installation must conform with local building codes or in absence of local building codes with CSA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CSA B149 2 GLND SVX01B EN e TRANE Installation Codes for
65. rizontal pipes downward 1 4 inch per foot 21 mm per m toward outlet for condensate drainage Horizontal portions of the venting system shall be supported at maximum intervals of four feet 1 2 m to prevent sagging in Canada support at three feet 1 m minimum intervals Insulate single wall vent pipe exposed to cold air or running through unheated areas AWARNING Carbon Monoxide Never operate duct furnaces without combustion air and flue gas piping in place Each unit MUST have its own combustion air system and MUST NOT be connected to other vent systems or to a chimney Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times Failure to follow these recommendations could result in death or serious injury Units are shipped from the factory set up for vertical venting To convert the power venter for horizontal venting remove the shipping support bracket refer to Figure 11 p 20 and Figure 23 p 35 and follow this procedure 1 Hold power venter motor in position 2 Removethe three Phillips head screws from the motor adaptor plate 3 Remove the three screws which connect the power venter stack to the power venter housing 4 Rotate the power venter housing to the horizontal position 5 Replace screws accordingly Note The motor pressure switch and junction box bracket MUST remain l
66. rt the furnace for use with a fuel other than the one intended Such conversion is dangerous as it could create the risks listed previously e Make certain that the power source conforms to the electrical requirements of the furnace All field installed wiring must be completed by qualified personnel All field installed wiring must comply with NEC and applicable local codes Failure to follow this instruction could result in death or serious injuries Special attention must be given to any grounding information pertaining to this duct furnace To prevent the risk of electrocution the furnace must be securely and adequately grounded This should be accomplished by connecting a grounded conductor between the service panel and the furnace To ensure a proper e TRANE General Information ground the grounding means must be tested by a qualified electrician Figure 2 Duct furnace components Do not insert fingers or foreign objects into the furnace or its air moving device Do not block or tamper with the heater in any manner while in operation or just after it has been turned off as some parts may be hot enough to cause injury This furnace is intended for general heating applications ONLY It must NOT be used in potentially dangerous locations such as flammable explosive chemical laden or wet atmospheres n cases in which property damage may result from malfunction of the furnace a backup BAFFLE syste
67. s per hour for gas pressures of 0 5 psig 3 5 kPa or less and a pressure drop of 0 5 inch water column 124 4 Pa based on a 0 60 specific gravity gas Pipe Installation 1 Install the gas piping in accordance with applicable local codes 2 Check gas supply pressure Each duct furnace must be connected to a manifold pressure and a gas supply capable of supplying its full rated capacity as specified in Table 5 p 18 A field LP tank regulator must be used to limit the supply pressure to maximum of 14 in wc 3 5 kPa All piping should be sized in accordance with the latest edition of ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CSA B149 See Table 1 p 9 and Table 4 p 17 for correct gas supply piping size If gas pressure is excessive on natural gas applications install a pressure regulating valve in the line upstream from the main shutoff valve GLND SVX01B EN AWARNING Hazard of Explosion Adequately support the piping to prevent strain on the gas manifold and controls To prevent explosion fire or gas leaks support piping so that piping does not sag or put pressure on the burners internal to the unit Failure to follow these recommendations could result in death or serious injury or equipment or property only damage 3 To prevent the mixing of moisture with gas run the take off piping from the top or side of the main 4 Standard gas duct furnaces optional two stage units
68. se hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes Failure to follow these requirements could result in death or serious injury Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor nameplate and electrical rating of the transformer should be checked before energizing the duct furnace electrical system All external wiring must conform to the latest edition of ANSI NFPA No 70 National Electrical Code and applicable local codes in Canada to the Canadian Electrical Code Part 1 CSA Standard C22 1 GLND SVX01B EN e TRANE Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors could result in equipment damage It is recommended that the electrical power supply to each duct furnace be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating for each duct furnace should be located as close to the gas valve and controls as possible Each duct furnace must be electrically grounded in accordance with the latest edition of the National Electric Code ANSI NFPA No 70 or CSA Standard C22 1 Thermostat Wiring and Location Note The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furni
69. shed instructions Mount the thermostat approximately 5 feet 1 5 m above the floor in an area where it will be exposed to a free circulation of average temperature air Always refer to the thermostat instructions as well as our unit wiring diagram and wire accordingly Avoid mounting the thermostat in the following locations 1 Cold areas Outside walls or areas where drafts may affect the operation of the control 2 Hot areas Areas where the sun s rays radiation warm air currents may affect control operation 3 Dead areas Areas where air cannot circulate freely such as behind doors or in corners Note Thermostat wires tagged W and G must be connected together except when using a general purpose SPDT 24 Vac relay and a standard thermostat with subbase or when using Honeywell T834H or T834N thermostats Also refer to Figure 20 p 25 for other wiring connections Figure 20 C1267G thermostat wiring diagram LOW VOLTAGE THERMOSTAT TO UNIT HEATER BLUE cd RED FOR LOW VOLTAGE THERMOSTAT WIRING WITHOUT SUMMER FAN SWITCH OPERATION Thermostat Heat Anticipator Adjustments The initial heat anticipator setpoint should equal the heater control circuit s current amperage draw when the unit is firing This current should be measured for the best 25 e Installation Electrical results Use the recommended ranges as a guide If further information is needed consult your thermosta
70. t manufacturer s instructions Recommended Heat Anticipator Setting Ranges ft 7 6 m T stat O ft 15 2 m T stat Wiring iring 0 85 to 0 90 A 0 9010 Max Setting T stat Fan Time Delay Control Leads from the time delay controls are factory wired to the junction box when ordered as an optional component The fan control is a time delay relay approximately 45 seconds ON 65 seconds OFF The fan control is rated at 17 amps Notes e The start up fan delay must not exceed 90 seconds from a cold start e For all wiring connections refer to the wiring diagram shipped with your unit either affixed to the side jacket or enclosed in your unit s installation instruction envelope Should any original wire supplied with the heater have to be replaced it must be replaced with wiring material having a temperature rating of at least 105 C Should any high limit switch wires have to be replaced they must be replaced with wiring material having a temperature rating of 200 C minimum 26 GLND SVX01B EN Start Up Operation Power Vented Duct Furnaces with Intermittent Spark Pilot Ignition AWARNING Check and Test Safety Devices It is the installer s responsibility to check all safety controls Check and test the operational functions of all safety devices supplied with this unit and ensure that all are operating effectively Failure to do so could result in unsafe conditions and could result
71. ter the unit has been operating for at least 15 minutes adjustthe primary airflow to the burners Turn the friction locked manually rotated air shutters clockwise to close or counterclockwise to open For correct air adjustment close the air shutter until yellow tips in the flame appear Then open the air shutter to the point just beyond the position where yellow tipping disappears Refer to Figure 22 Note There may be momentary and spasmodic orange flashes in the flame This is caused by the burning of airborne dust particles and should not be confused with the yellow tipping which is a stable or permanent situation when there is insufficient primary air GLND SVX01B EN Figure 22 Main burner flames NORMAL HARD FLAME TOO MUCH AIR A YELLOW TIPPING YELLOW FLAME MARGINAL TOO LITTLE AIR Pilot Adjustment 1 Remove the pilot adjustment cap 2 Adjust the pilot screw to provide a properly sized flame 3 A proper pilot flame is a soft steady flame that envelops 3 8 to 1 2 inch 9 5 to 12 7 mm of the flame sensor tip 4 Replace the pilot adjustment cap Manifold Pressure Adjustment If the manifold pressure requires minor adjustment remove the cap from the pressure regulator and turn the adjustment screw clockwise to increase the pressure or counterclockwise to decrease the pressure The adjusted manifold pressure should not vary more than 10 percent from the pressures specified in Table 8 p 30
72. valve supplying gas to the unit heater and with the union connection loose purge air from the gas line Tighten the union and check for gas leaks using a soapy water solution only AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Before attempting to light or relight the pilot wait 5 minutes to allow gas which may have accumulated in the burner compartment to escape Failure to follow recommended safe leak test procedures or pilot lighting relighting instructions could result in death or serious injury or equipment or property only damage 2 Open the manual valve on the unit heater 3 Turn ON electrical power 27 The unit should be under the control of the thermostat Turn the thermostat to the highest point and determine that the power venter motor starts and the pilot and main burners ignite Turn the thermostat to the lowest point and determine that the power venter motor shuts off and pilot and main burners are extinguished 5 If pilot adjustment is required remove the pilot adjustment seal cap and adjust the pilot screw to obtain proper flame Clockwise rotation decreases pilot flame size Replace the cap Turn the thermostat to the desired position Refer to Gas Pressure Adjustments p 30 for more specifications Shut Down 1 Turn the valve selector knob to the OFF
73. xplosion and Fire Heater installation for use with propane LP gas must be made by a qualified LP Gas Dealer or LP Gas Installer to ensure that all appropriate codes installation procedures and precautions have been followed Failure to follow these instructions could result in death or serious injury Before any connection is made to an existing line supplying other gas appliances contact the local gas 16 company to make certain that the existing line is of adequate size to handle the combined load GLND SVX01B EN e TRANE Installation Piping Table 4 Gas pipe size Length of Pipe ft m Loong Dancer 10 20 30 40 50 60 70 80 90 100 125 150 175 200 Size mm 3 0 6 1 9 1 12 2 15 2 18 3 21 3 24 4 27 4 30 5 38 1 45 7 53 3 61 0 1 2 0 622 175 120 97 82 73 66 61 57 53 50 44 40 37 35 16 4 96 3 40 2 75 2 32 2 07 1 87 1 73 1 61 1 50 1 42 1 25 1 13 1 05 0 99 3 4 0 824 360 250 200 170 151 138 125 118 110 103 93 84 71 72 21 10 2 7 08 5 66 4 81 4 28 3 91 3 54 3 34 3 11 2 92 2 63 2 38 2 18 2 04 1 1 049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 27 19 3 13 2 10 6 9 06 8 07 7 36 6 80 6 23 5 80 5 52 4 96 4 53 4 11 3 82 1 1 4 1 380 1400 950 770 660 580 530 490 460 430 400 360 325 300 280 35 39 6 26 9 21 8 18 7 16 4 15 0 13 9 13 0 12

Trane Gas Unit Heaters Installation and Maintenance Manual

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