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Trane Gas Unit Heaters Installation and Maintenance Manual

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2. Air Pipe NM 87 Dia Combustion Size lor expected et snow depth Concentric Vent Box Part No 3603 ize pipes according to Table 1 p 10 Cut a hole through the roof for an 8 inch combustion air pipe Fasten a length of 5 inch pipe to the exhaust connection of the concentric adapter with sheet metal screws Use at least three screws per joint Seal all joints with high temperature silicone sealant The concentric adapter box is to be suspended from the underside of the roof using suitable brackets field supplied Before mounting the box cut a length of 8 inch pipe so that dimension A see Figure 18 p 23 Step 1 is equal to the roof thickness plus 18 inches or the roof thickness plus the expected snow depth whichever is greater Fasten the 8 inch pipe to the combustion air inlet connection of the concentric adapter and seal the joint Add an additional 5 inch pipe to extend atleast 20 inches above the top ofthe 8 inch pipe Insertthe pipe through the roof and fasten the adapter box in place see Figure 18 p 23 Step 2 Flash and or caulk the 8 inch pipe to the roof see Figure 18 p 23 Step 3 Install the inlet air cap on the 8 inch pipe and fasten with sheet metal screws Install the flue terminal on the 5 inch pipe and fasten in place Seal the joint between the 5 inch pipe and the inlet air cap with silicone sealant to prevent the entry of water see Figure 18 p 23 Step 4 GKN
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4. GENERAL GAS HEATING With power and gas off With power and gas on C Make certain all packing has been removed O Inlet gas pressure kPa CJ Tighten all electrical terminals and connections CJ Pilot and main burner ignition O Check all fans and blowers for free movement CJ Manifold gas pressure in wcor X kPa O Check all controls for proper settings O Cycle firestat and or freezestat O Check all set screws on blowers and bearings O Check electronic modulation Set at O Check belt tightness CJ Cycle and check all other controls not listed O Entering airtemp ___ BLOWER O Discharge air temp high fire ___ With power on and gas off O External static pressure in wc O Check voltage L1 L2 L3 O Check rotation of main blower O Check motor amps L1 L2 L3 O Blower RPM O Check air filters Record quantity 8 size Remarks GKND SVX01B EN 31 TRANE Maintenance 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 lock
5. APPROVED TERMINALS COMBUSTION AIR MINIMUM DISTANCE FROM INTAKE TO GRADE OR BUILDING PROJECTION IS 3 FT GKND SVX01B EN Figure 14 Horizontal vent installation APPROVED TERMINAL SEE INSTRUCTIONS VENT PIPE DIAMETER SEE TABLE 1 METAL 5 Be EN MIN METAL FACE PLATE FIBERGLASS OR EQUIVALENT INSULATION MIN 2 IN THICK NOTE DO NOT TERMINATE HORIZONTAL VENT WHERE CONDENSATE COULD CREATE A NUISANCE OR HAZARD OR COULD CAUSE BUILDING OR EQUIPMENT DAMAGE Installation Concentric Vent Terminal 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 c
6. years or 8 000 hours of operation c Heavy Duty Annually after 1 year or at least every 1 500 hours of operation Equipment Damage Never over oil the motor or premature failure could occur 13 Check and test the operational functions of all safety devices supplied with your unit GKND SVX01B EN e TRANE Maintenance 33 e TRANE Maintenance Figure 23 Power venter assembly REDUCER TO SUIT IF REQ SEE NOTE 3 X IN S THIS END ALT HORIZONTAL LEFT VENT POSITION STANDARD VERTICAL VENT POSITION USE THIS ASSY ALTERNATE HORIZ RIGHT VENT PDSITIUN ON POWER VENTED 150 250 BLOWER UNITS AND 300 400 FAN UNITS ALTERNATE HORIZONTAL use THIS ASSY FOR STANDARD HORIZ RIGHT VENT POSITION RIGHT VENT POSITION UN POWER VENTET 300 400 BLOWER UNITS POWER USE THIS ASSEMBLY FOR STD VERTICAL VENT AND ALT HORIZONTAL LEFT VENT POSITIONS FOR POWER VENTED 30 75 amp 100 400 FAN UNITS AND 100 250 BLOWER UNITS 4118 Ref No Description Ref No Description 1 Blower Housing Assembly 15 Snap Bushing 2 Speed Nut 16 Relay Motor 3 Motor 17 Draftor Stack Assembly 4 Washer Plain 18 Tubing Aluminum Formation 5 Plate Adapter 19 Male Connector 6 Blower Wheel see Note 1 20 Locknut 7 Mounting Bracket Pressure Switch 21 Hole Plug 8 Mounting Bracket Junction Box 22 Pressure Switch Cover 9 Screw S T 23 D
7. 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 not use match to Check pilot line for kinks Ensure there are no drafts test presence of gas is easily detected by the odor W Pilot lights Main valve doesnot 1 Loose 58600 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 Unit is overfiring 1 Manifold pressure too high adjust Burner orifice may be too large verify replace if required 2 Air flow too low 2 Increase air flow check fan size Check for proper voltage 3 Defective switch 3 Replace Y Noisy power venter 1 Power venter wheel loose 1 Replace or tighten 2 Power venter wheel dirty 2 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 Z 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 use
8. A minimum of 50 F 10 C thermostat setting must be maintained If unit heaters 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 unit heater onto the floor surface Additional unit heaters 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 Overheating or Flooding Could Cause Fire or Explosion Overheating or flooding where any part of the unit heater 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 unit heater before shutting off the electrical supply Do not use the unit heater if any part has been under water Immediately call a qualified service technician to inspect the unit heater and replace any gas control which has been underwater Failure to follow these recommendations could result in death or serious injury Hazardous Gases and Flammable Vapors Exposure to hazardous gases from fuel substances have been shown to cause cancer birth defects or other reproductive har
9. Ignition Two Stage Intermittent Pilot Ignition 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 409 Stainless Steel Burners B Orifices For Elevation Above 2000 Feet Specify Elevation C 31409 Stainless Steel Draft Diverter D SummerWinter Switch Vertical Louvers _ Duct Discharge Flange J Totally Enclosed Motor GKND SVX01B EN e TRANE General Information Description standard adjustable louvers or with short duct runs and discharge nozzles for spot heating Blower type unit The Separated Combustion Gas Blower Unit Heater is a heaters may be used where low sound levels are required factory assembled power vented high static pressure The designs are certified by ETL as providing
10. 2 Blocked heat exchanger venting 2 Clean heat exchanger flue 3 Drafts around heater 3 Eliminate drafts Refer to Installation Mechanical p 12 4 Negative pressure in building 4 See Installation Piping p 16 5 Blocked flue collector 5 Clean flue collector G Delayed ignition 1 Excessive primary air 1 Close air shutter Refer to Operation 27 2 Main burner ports clogged near 2 Clean main burner ports pilot Pressure regulator set 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 12 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 che
11. 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 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
12. 3 16 47 3 16 50 7 8 48 50 7 8 50 7 8 51 mm 1086 1127 1127 1199 1199 1292 1219 1292 1292 1295 Flue Size Dia in 4 4 4 4 5 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 152 Air Inlet Size in 4 4 4 4 5 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 152 Blower Size in 9 10 10 12 12 12 12 2 10 2 12 2 12 Gas Inlet Natural Gas in 1 2 1 2 1 2 1 2 1 2 3 4 3 4 3 4 3 4 3 4 Gas Inlet LP Gas in 1 2 1 2 1 2 1 2 1 2 1 2 or 3 4 Approx Shipping Wt Tb 298 330 362 394 426 458 490 558 618 678 kg 135 150 164 179 193 208 222 253 280 308 Notes 1 For installations in Canada any references to deration at altitudes in excess of 2000 ft 610 m are to be ignored At altitudes of 2000 to 4500 ft 610 to 1372 m the unit must be derated to 9096 of the normal altitude rating and be so marked in accordance with the ETL certification 2 Legend SPH SPLIT PHASE CAP START CAPACITOR START a Ratings shown are for unit installations at elevations between 0 and 2000 ft 610 m For unit installations in USA above 2000 ft 610 m the unit input must be derated 4 for each 1000 ft 305 m above sea level refer to local codes or in absence of local codes refer to the latest edition of the National Gas Code ANSI Standard Z223 1 N F P A No 54 Refer to corresponding in Figure 5 p 11 10 GKND SVX01B EN e TRANE Unit Dimensions and Weights
13. 3 5 kPa 5 5 in wc Min 13 0 in wc Min 1 4 kPa 3 2 kPa a For single stage applications only at normal altitudes Installation Venting Combustion Air Venting and Piping Exhaust Fumes Each unit heater MUST have its own combustion air system and MUST NOT be connected to other air intake systems To prevent exhaust fumes from being pulled into the air intake system or improper heating ensure that the unit heater has its own combustion air system and is not connected to other air intake systems Failure to follow these recommendations could result in death or serious injury or equipment damage 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 Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use pipe of a diameter other than that specified in Table 1 p 10 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 Failure to follow these recommendations co
14. There should be NO ducts attached to the front of this heater Check air movement through heat exchanger Check voltage to fan motor Clean fan blade and heat exchanger and oil fan motor Too much heat 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 Cold air is delivered on start up 1 Fan switch heater element 1 Be sure fan switch heater terminals are connected per improperly wired diagrams Cold air 15 delivered duringheater 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 GKND SVX01B EN 39 e TRANE Diagnostics Table 7 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
15. above a meter regulator assembly within 3 feet horizontally of the vertical center line of the regulator nor within 6 feet of any gas service regulator vent outlet Cut a hole through the wall for an 8 inch combustion air pipe Install thimble if required by local codes or type of wall construction see Figure 16 p 22 Step 1 Fasten a length of 5 inch pipe to the exhaust connection of the concentric adapter with sheet metal screws Use at least three corrosion resistant screws per joint Seal all joints with high temperature silicone sealant The concentric adapter box may be fastened directly to the wall or spaced away from the wall using suitable brackets field supplied Before mounting the box cut a length of 8 inch pipe so that it will protrude 2 inches through the wall when the box is mounted in position Fasten the 8 inch pipe to the combustion air inlet connection of the concentric adapter and seal the joint Add an additional 5 inch pipe if necessary so that the base of the exhaust cap will be 16 to 24 inches from the combustion air inlet see Figure 16 p 22 Step 2 22 Insert the pipes through the wall and fasten the adapter box place Flash and or caulk 8 inch pipe on outside wall see Figure 16 p 22 Step 3 Install the inlet air screen on the 8 inch pipe and fasten with sheet metal screws Install the flue terminal on the 5 inch pipe and fasten in place see Figure 16 p 22 Step 4 Figure 16 Horizont
16. in these service procedures 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 Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements 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 e 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 coun
17. 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 sensing tube Item 3 from the Pressure Switch Mounting Bracket Item 3 at motor end only GKND SVX01B EN 35 e TRANE Maintenance Remove the Blower Wheel Item 9 from the motor shaft by removing the set screw Item 14 using a 1 8 in Allen Wrench Remove the three Motor Mounting Nuts Item 5 Space Washers 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 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 36 Model number Serial Number Part description and Number as shown in the Replacement Parts Catalog GKND SVX01B EN Diagnostics Troubleshooting 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 th
18. to the unit heater using the holes to which the louvers were attached 5 Using the enclosed 48 18 x 1 2 screws and with the top panel oriented such that the side with the larger holes 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 6 Using the enclosed 48 18 x 1 2 screws and with the bottom panel oriented such thatthe 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 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 GUIDE AND THEN INSTALL THE REST OF THE SCREWS TD FINISH THE INSTALLATION THE UNIT HEATER REQUIRES 2 ADDITIONAL MOUNTING POINTS WHEN ANY NOZZLE IS USED RIGHT REAR Bia 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 TH
19. 18 6 MOTOR DATA Motor hp 1 4 1 3 1 2 1 2 3 4 3 4 3 4 3 4 1 1 kW 0 19 0 25 0 37 0 37 0 56 0 56 0 56 0 56 0 75 0 75 Type SPH SPH SPH SPH SPH SPH SPH SPH cap start cap start RPM 1725 1725 1725 1725 1725 1725 1725 1725 1725 1725 Amps 115V 5 1 6 6 7 4 7 4 12 0 12 0 12 0 12 0 15 4 15 4 DIMENSIONAL DATA A Height to Top of Unit in 31 1 4 31 1 4 36 1 4 36 1 4 36 1 4 36 1 4 36 1 4 36 1 4 36 1 4 36 1 4 mm 794 794 921 921 921 921 921 921 921 921 B Height to Top of Hanger in 34 1 16 34 1 16 39 1 16 39 1 16 39 1 16 39 1 16 39 1 16 39 1 16 39 1 16 39 1 16 mm 865 865 992 992 992 992 992 992 992 992 C Hanging Distance Width in 14 374 17 172 17 172 20 174 23 25 374 28 172 34 39 172 45 mm 375 444 444 514 584 654 724 864 1003 1143 D Discharge Opening Width in 15 3 8 18 1 8 18 1 8 20 7 8 23 5 8 26 3 8 29 1 8 34 5 8 40 1 8 45 5 8 mm 391 460 460 530 600 670 740 879 1019 1159 E Width of Unit in 17 7 8 20 5 8 20 5 8 23 3 8 26 1 8 28 7 8 31 5 8 37 1 8 42 5 8 48 1 8 mm 454 524 524 594 664 733 803 943 1083 1222 F to Centerline of Flue in 5 7 8 7 1 4 7 1 4 8 5 8 10 11 1 4 12 3 4 15 1 2 18 1 4 21 mm 149 184 184 219 254 286 324 394 464 533 G Hanging Distance Depth in 18 1 2 18 1 2 18 1 2 20 20 23 23 23 23 23 mm 470 470 470 508 508 584 584 584 584 584 H Depth to Rear of Housing in 42 3 4 44 3 8 44 3 8 47
20. 21 Vertical Termination 22 Installation Electrical 24 Electrical Connections 24 Thermostat Wiring and Location 24 StartUp x hans oe 26 Operation 27 Gas Equipment Start Up 31 Maintenance 32 Periodic Service 32 Installation Instructions for Field Replace ment of Power Venter Motor 35 How to Order Replacement Parts 36 Diagnostics 37 Troubleshooting 37 Wiring Diagrams 41 GKND SVX01B EN e TRANE 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 Separated Combustion Centrifugal Fan Unit Heater 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 010 100MBh 022 225 012 125MBh 025 250MBh 015 150MBh 030 300MBh 017 175MBh 035 350MBh 020 200MBh 040 400MBh Digit 8 Main Power Supply A 115 60 1 D 230 60 3 230 607 460 60 3 208 60 3 575 60 3 Digit 9 Gas Control Option D Single Stage Intermittent Pilot
21. 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 meters 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 unit heater must be connected to a gas supply capable of supplying its full rated capacity as specified in Table 4 p 18 A field LP tank regulator must be used to limit the supply pressure to maximum of 14 in wc 3 5 kPa piping should be sized in accordance with the latest edition of 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 ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CAN CanGa CGAB149 See Table 1 p 10 Table 3 p 17 and Table 4 p 18 for correct gas supply piping size If gas pressure is excessive on natural gas applications install a pressure regul
22. Could Cause Fire or Explosion Overheating or flooding where any part of the unit heater 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 unit heater before shutting off the electrical supply Do not use the unit heater if any part has been under water Immediately call a qualified service technician to inspect the unit heater and replace any gas control which has been underwater Failure to follow these recommendations could result in death or serious injury 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 GKND 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 3M is a trademark of 3M Company Dow Corning is a registered trademark of Dow Corning Corporati
23. D SVX01B EN e TRANE Installation Piping Figure 18 Vertical concentric venting installation STEP 1 STEP 4 Connectthe flue pipe and the combustion air pipe from the concentric adapter to the unit Pipe must be single wall 26 gauge or heavier galvanized steel or a material of equivalent durability and corrosion resistance Pipe diameter must be as listed under inlet and flue size in Table 1 p 10 The equivalent length of the exhaust vent pipe must be a minimum of 5 feet and a maximum of 50 feet The equivalent length equals the total length of straight pipe plus 15 feet for each 90 degree elbow and 5 feet for each 45 degree elbow Secure each joint with a minimum of three corrosion resistant screws Seal all joints of the exhaust vent pipe with two full turns of 3M 425 Aluminum Foil Tape or its equivalent suitable for 550 F or high temperature silicone sealant Seal all joints of the combustion air inlet pipe with two full turns of duct tape or aluminum foil tape or silicone sealant Do not enclose the exhaust vent pipe or run the pipe within 6 inches of combustible material 23 e TRANE Installation Electrical Electrical Connections 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 througho
24. EADED 400 MALLEABLE IRON BOLT THREADED PIPE hanging hardware and wood is not included with the unit to be field sup plied Figure 9 Heater mounting 100 400 MBtu unit sizes WOOD CONSTRUCTION JOISTS JOIST WASHER sate A AW _ gt DM be As Un L a x amp LAG THREADED LAG BOL BOLTED ROD amp WASHER ACROSS JOISTS a N N 1 UNIT HEATER Note See Table 1 p 10 for C dimension Nozzle Assembly Usethe following procedure for assembling the 30 60 or 90 degree nozzle assembly to your unit heater 1 Remove the louvers and the cone springs from the unit heater 2 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 3 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 00 14 4 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
25. EN PRE ORILL HOLES 1 8 125 DIA USING THE HOLES IN THE BOTTOM BRACKET AS A GUIDE BOTTOM PANEL 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 nozzle 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 Thetop and bottom panels must be attached so that the sides with the larger holes are facing the unit heater this makes the assembly easier GKND 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 correspondin
26. Figure 5 Dimensions standard units 2 HANGERS WITH 99 16 MOUNTING HOLES 14 ALTERNATE VERTICAL STANDARD HORIZONTAL VENT POSITION LEFT VENT POSITION FOR 100 400 F DIA FLUE SIZE REQUIRED AN INCREASER IS SUPPLIED BY THE MFR FOR 300 350 400 UNIT SIZES THE REDUCER TO BE SUPPLIED BY THE INSTALLER IF ONE IS REQUIRED FOR 100 400 P 37 3 8 P 37 3 8 949 949 2 HANGERS WITH ALTERNATE HORIZONTAL N Bie X 1 1 8 30 5 8 F 30 5 8 RIGHT VENT POSITION 14 X 29 778 778 FOR 150 400 H SLOTTED MOUNTING HOLES e 18 3 4 G 18 5 4 G 476 476 VENT POSITION 1 FIELD ADJUSTED TO HORIZONTAL RIGHT OR VERTICAL OUTLETS ADJUSTABLE T HORIZONTAL kd LOUVERS B A B A DISCHARGE OPENING OIO C DISCHARGE p 26 3 4 679 AR 26 3 4 679 D36338 uy 29 737 INLET 29 757 I 38 23 32 985 38 23 32 983 H H FRONT VIEW 100 THRU 400 MBTU HR UNIT SIZES SIDE VIEW 100 THRU 200 MBTU HR UNIT SIZES GKND SVX01B EN H SIDE VIEW 225 THRU 400 MBTU HR UNIT SIZES NOTE AIR INTAKE IS ROUND ON 225 250 UNITS FOR 300 400 UNITS AIR INTAKE IS AS SHOWN 11 e TRANE I
27. JNI Alzzvs my 9 229 aaan D 9 3 007 001 20 Y ass Mu OBVIAS o Sadao asn LON ONS nooanga MSN G3 NO 60 90 60 ea E LT ait Gotan 38 ASNN uousswwoo zum Twins e 19330 V occo cor Eae dro SUL Nee 255 ONIDIAN3S 340438 1N3NOdWOO 3Hl OL Sv WNISIHO AHL JO dl M3MOd 103NNOOSIO NOILNYO ON ag 1234534 O3sn 984895 OULWNOLAY D 236 ws Rama cw LNnNOUSnShOO REPE NOILQVOWV ini A3 HO 100 A39 qarivuvdds 41 GKND SVX01B EN e TRANE Wiring Diagrams on ign 100 400 blower 100 250 prop G770 i ton uni Separated combust Figure 26 85610 38090 6tf 3NIVA SY S 839003 31IHM 80 d noo ivislond so SEN ASIWE lVISOWS3HL
28. QNOO 434409 JSN 07313 HO MO NOLLO3NNOO 60 90 60 3lvd MO 1VIS L AVIZG JWIL NVJ 38 1SnW G3ovid3H 38 1SNW 38 I1SnW NOLLO3NNOO 4 lO3MIO V jee 2 JHL 5 SNIDI AMJS 30438 1N3NOdWOO Ol 80560 69 fiuvd 31049 09 3SVHd 1 10A SLL NMONB SV INNIDIHO JHL JO dl M3MOd 193NNOOSIO ON SH3HIO 1234534 ISN 114895 a3vdS OlLVNOLQV Svid Hd a oy inn 10N Sl INSNOdNNOO Serio LINN NOLLSnBINOO E NOILAVOY m 80109 A3 Qqarvuvdas GKND SVX01B EN 42 ex TRANE Trane optimizes the performance of 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 GKND SVX01B EN 16 Mar 2012 We are committed to using environmentally 18 Il d Supersedes GKND SVX01A EN 01 Mar 2010 conscious print practices that reduce waste ngerso Ran
29. RTMENT ASS Y 1 Flue Collector 2 Heat Exchanger 3 Burner Drawer Figure 4 Separated Combustion Unit Heater 1 Pressure switch 5 Belt guard 2 Power vent assy 6 Airinlet 3 Power vent motor 7 Gas supply inlet 4 Blower motor GKND SVX01B EN S TRANE General Information TRANE Unit Dimensions and Weights Table 1 Performance and specification data Separated Combustion Blower Unit Heater Unit Size 100 125 150 175 200 225 250 300 350 400 PERFORMANCE DATA Input BTU Hr 100 000 125 000 150 000 175 000 200 000 225 000 250 000 300 000 350 000 400 000 kW 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Output BTU Hr 80 000 100 000 120 000 140 000 160 000 180 000 200 000 240 000 280 000 320 000 kW 23 4 29 3 35 1 41 0 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 96 80 80 80 80 80 80 80 80 80 80 Free Air Delivery CFM cfm 1 200 1 575 1 975 2 300 2 400 2 600 2 850 3 950 4 600 4 800 m3 s 0 566 0 743 0 932 1 086 1 133 1 227 1 345 1 864 2 171 2 266 Air Temperature Rise F 62 59 56 56 62 64 65 56 56 62 C 34 33 31 31 34 36 36 31 31 34 Outlet Velocity fpm 880 950 1030 1045 965 935 930 1080 1090 1000 m s 4 47 4 83 5 23 5 31 4 90 4 75 4 72 5 49 5 54 5 08 Full Load Amps at 115V 8 3 9 8 10 6 10 6 15 2 15 2 15 2 15 2 18 6
30. a minimum type centrifugal blower unit designed for heavy duty of 80 percent thermal efficiency and approved for use in applications such as continuous operation or where a California Do not alter these units in any way If you single unit heater must do the entire heating job in a large have any questions after reading this manual contact the area Blower type unit heaters may be used with the manufacturer Figure 1 Power Vented Separated Combustion Blower Unit Heaters 1148 Front view Rear view See Identification of Parts p 8 for unit components General Safety Inform ation Quincy MA 02269 These unit heaters are designed for use in airplane hangars when Important This product must be installed by a licensed installed in accordance with current plumber or gas fitter when installed within No 409 and in public garages when installed in the Commonwealth of Massachusetts accordance with current NFPA No 88A and NFPA No 88B AWARNING If installed in Canada the installation must 7 conform with local building codes or in absence Safety Alert of local building codes with CAN CanGa B149 1 You MUST follow all recommendations below Failure Installation Codes for Natural Gas Burning to do so could result in death or serious injury Appliances and Equipment or CANCSA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment These unit heaters have been designed and certified to comply wit
31. ad these carefully 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 Indicates a situation that could 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
32. al concentric venting installation BRACKETS FIELD SUPA ICD OUTSIDE WALL STEP 2 STEP 4 STEP 1 Ve SEA iid Connectthe flue pipe and the combustion air pipe from the concentric adapterto the unit The pipe must be single wall 26 gauge or heavier galvanized steel or a material of equivalent durability and corrosion resistance The pipe diameter must be listed under inletand flue size in Table 1 p 10 The equivalent length of the exhaust vent pipe must be a minimum of 5 feet and a maximum of 50 feet The equivalent length equals the total length of straight pipe plus 15 feet for each 90 degree elbow and 5 feet for each 45 degree elbow Secure each joint with a minimum of three corrosion resistant screws Seal all joints of the exhaust vent pipe with two full turns of 3M 425 Aluminum Foil Tape or its equivalent suitable for 550 F or high temperature silicone sealant Seal all joints of the combustion air inlet pipe with two full turns of ducttape or aluminum foil tape or silicone sealant Vertical Termination Selecta location on the roof for the vent terminal ensuring adequate space inside for the concentric vent box The terminal must be at least 6 feet from any wall or adjoining building see Figure 17 p 23 GKND SVX01B EN Figure 17 Vertical concentric venting Flue terminal Assy Field Part 4 3605 Shown or Air Jet Part 3608 Combustion Air Inlet Field 3606 Shown or Air Jel 3607
33. andard 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 unit heater 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 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 unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating for each unit heater should be located as close to the gas valve and controls as possible Each unit heater must be electrically grounded in accordance with the latest edition of the National Electric Code ANSI NFPA No 70 or CSA Standard C22 1 Sample wiring connections are depicted in Figure 19 p 25 Figure 25 p 41 and Figure 26 p 42 The transformer supplied with this unit heater is internally fused Any overload or short circuit will ruin the transformer 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 furnished instructions Mount the thermostat
34. angement the total cubic feet per hour input and length of pipe must be considered e Ifthe gas unit heater is to be fired with LP gas consult the local LP gas dealer for pipe size information Hazard of Explosion 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 company to make certain that the existing line is of adequate size to handle the combined load 16 GKND SVX01B EN e TRANE Installation Piping Table 3 Gas pipe size Length of Pipe ft m og 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 77 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
35. 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 or 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 19 p 25 for other wiring connections GKND SVX01B EN Figure 19 C1267G thermostat wiring diagram LOW VOLTAGE THERMOSTAT TO UNIT R Pw HEATER BLACK gt G BLUE gt OR RED FOR LOW VOLTAGE THERMOSTAT WIRING WITHOUT SUMMER FAN SWITCH OPERATION Thermostat Heat Anticipator Adjustments The initial heat anticipator setpoint should equal the thermostat s current amperage draw when the unit is firing This setpoint should be measured for the best results Use the recommended ranges as a guide If further information is needed consult your thermos
36. ating valve in the line upstream from the main shutoff valve GKND SVX01B EN 3 To prevent the mixing of moisture with gas run the take off piping from the top or side of the main gas pipe 4 Optional two stage 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 TRANE Installation Piping Pipe directly in to combination valve see Figure 10 p 18 5 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 unit heater A ground joint union 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 Fai
37. ce 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 burner ports 2 Clean main burner ports permissible 3 Misaligned orifices 3 Replace manifold assembly 4 Clogged flue collector 4 Clean flue collector 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 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 flue collector Installation Piping 16 Clean heat exchanger Determine cause and repair accordingly GKND SVX01B EN 37 e TRANE Diagnostics Table 7 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
38. ck 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 Improper thermostat 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 24 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 12 6 Defective ignitor control 6 Replace ignitor 7 Defective high limit switch 7 Jumper high limit switch terminals 1 and 2 If burner opera
39. d if so see thermostat wiring diagram Electrical Connections p 24 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 motor runs the relay is defective and must be replaced If 24V is not present check wiring per diagrams AA Power venter motor turns on and 1 Fan relay heater element 1 Besurerelay heater terminals are connected per diagrams off while burner is operating improperly wired 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 power venter motor if defective 4 Motor not properly oiled 4 Referto label on motor AB Power venter motor will not stop Improperly wired venter relay Check all wiring 2 Main burner not lighting while 2 Referto H and N symptoms thermostat calls for heat 3 Defective venter relay 3 Replace venter relay 40 GKND SVX01B EN Wiring Diagrams fan it 100 400 blower 100 250 prop Separated combustion un Figure 25
40. e 14 p 21 GKND SVX01B EN e TRANE Installation Piping Figure 11 Vertical intake vent installation ABBBHVED 6 FT MIN VALL TERMINAL OR ADJOINING BUILDING EXHAUST COMBUSTION VENT AIR INLET 12 TN i MIN ROOF TET e va FT e FLASHING Z 2 2 E x a F 9 TEE WITH DRIP LEG AND FT CLEANDUT CAP l MIN Size according to expected snow depth If excessive condensation develops a drip leg with a condensate drain may be required Insulating the pipes may eliminate the problem Figure 12 Vertical vent installation APPROVED TERMINAL INSTRUCTIONS VERTICAL PIPE EXTENSIUN OVER 12 IN MUST BE INSULATED METAL FACE PLATE IF CONDENSATION BECOMES A PROBLEM FIBERGLASS OR EQUIVALENT METAL INSULATION MIN 2 IN THICK SLEAVE 2 IN MIN 2 IN MIN VENT PIPE DIAMETER D SEE TABLE 1 gt Figure 13 Horizontal intake vent locations BUILDING DVERHANG PITCH PIPES DOWN oF Ty MIN TOWARDS TERMINAL 18 13 4 CAPS 1 4 IN PER 6 TT MN FOOT OF RUN TO AL Exe NE OT E LOW FOR CONDENSATE BUSTIUN AIR PI DRAINAGE ADJACENT PING SECTION TM G j 2 4 1 BUILDING MIN C
41. e FRANE Installation Operation and Maintenance Gas Unit Heater Separated Combustion Centrifugal Fan Li 748 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 GKND 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 Re
42. e 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 Table 7 Troubleshooting guide e TRANE 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 orifi
43. ecified limits or severe damage to and or premature failure of the unit could result 26 deflection of the belt will be 3 4 when subjected to a 5 Ib force 3 Recheck all electrical connections When power is applied ensure that the motor and blower are rotating in a clockwise direction when viewed from the drive side 5 Measure the current draw of the motor Equipment Damage The at speed current draw of the motor must never exceed that specified on the motor rating plate or severe damage to the motor could result Figure 20 Motor and blower assembly Part Description 1 Blower Housing 5 Drive Pulley standard 2 Blower Wheel 6 Driven Pulley standard 3 Blower Shaft 7 V Belt 4 Bearings sets only 8 Motor Note The blower assembly for 100 250 units consists of 1 wheel 1 housing 1 shaft and 1 bearing set For 300 400 units the blower assembly consists of 2 wheels 2 housings 1 shaft and 1 bearing set GKND SVX01B EN Operation Explanation of Controls see Figure 20 p 26 Carbon Monoxide Never operate unit heaters if the power venter is not operable 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 due to Carbon Monoxide Poisoning symptoms include groggi
44. ed 50 feet 15 2 m Equivalent length equals the total length of straight pipe plus 15 feet 4 6 m for each 90 degree elbow and five feet 1 5 m for each 45 degree elbow Note For optimum performance keep the combustion air system as straight as possible Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil Tape or its equivalent must then be used to seal each joint General Electric RTV 108 Dow Corning RTV 732 or an equivalent may be used instead of the tape For horizontal combustion air systems longerthan five feet 1 5 m the system must be supported from overhead building structures at three foot 1 m intervals Exhaust Venting 1 Vent system installation must be in accordance with the latest edition of 54 ANSI 7223 1 National Fuel Gas Code In Canada installation must be in accordance with CAN CanGa B149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CanGa B149 2 Installation Code for Propane Burning Appliances and Equipment GKND SVX01B EN e TRANE Installation Piping A Breidert Type L or Fields vent cap furnished by the customer must be installed at the termination point of the vent system see Figure 11 p 21 through Figure 14 p 21 Use single wall pipe constructed of 26 gauge galvanized steel or a material of equivalent durability and corrosion resistance for the vent system Fo
45. efore cutting avoid creating unsafe conditions All wiring into existing line or removing threaded fittings should be done and checked by a qualified Failure to remove all gas vapors could result in electrician using copper wire only All external death or serious injury or equipment or property wiring must conform to applicable local codes only damage and to the latest edition of the National Unless otherwise specified the following conversions Electrical Code ANSI NFPA No 70 may be used for calculating SI unit measurements Allgas connections should be made and leak 1 foot 0 305 m 1 inch water column 0 249 kPa tested by a suitably qualified individual per 1 inch 25 4 mm 1 meter second FPM 196 8 instructions in this manual Also follow 1 psig 6 894 kPa 1 liter second CFM x 0 472 procedures listed in Gas Equipment Start Up 1 pound 0 453 1000 Btu per hour 0 293 kW p 31 1 gallon 3 785 1000 Btu Cu Ft 375 MJ m Useonly the fuel for which the unit heater is 1 cubic foot 0 028 m designed see rating plate Using LP gas in a BEN heater that requires natural gas or vice versa Identification of Parts will create the risk of gas leaks carbon monoxide poisoning and explosion Figure2 Combustion chamber Important Do not attempt to convert the heater 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
46. en uncrated check for any visible damage 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 ATERT Ly Important It is the equipment owner s responsibility to provide any scaffolding or other apparatus cu required to perform emergency service or annual periodic maintenance to this C US equipment LisTEO WERTE ENERGY PERFORMANCE VERIFIED RENDEMENT ENERGETIQUE Verres VERIFIE GKND SVX01B EN Table of Contents Warnings Cautions and Notices 2 Model Number Descriptions 6 Indoor Gas Heating Units 6 General Information 7 Description 7 General Safety Information 7 Identification of Parts 8 Unit Dimensions and Weights 10 Installation Mechanical 12 Air Distribution 12 ClearanceS 13 Nozzle Assembly 14 Installation Piping 16 Gas Supply Piping 16 Pipe Sizing 16 Pipe Installation 17 Installation Venting 18 Combustion Air Venting and Piping 18 Exhaust Venting 19 Installation Concentric Vent Terminal 21 Horizontal Termination
47. ermostat wiring diagram Electrical Connections p 24 2 Defective motor overload 2 Replace motor protector or defective motor 3 Defective fan switch 3 Check for 24V across 1 and 3 terminals on fan time delay Switch If 24V is present jumper terminals numbered 2 and 4 f motor runs the fan switch is defective and must be replaced If 24V is not present check wiring per diagrams Fan motor turns on and off while 1 Fan switch heater element 1 Be sure fan switch heater terminals are connected per burner is operating improperly wired diagrams 2 Defective fan switch 2 Replace fan switch 3 Motor overload protector cycling 3 Check motor amps against motor name plate rating check on and off voltage replace fan motor if defective 4 Motor not properly oiled 4 Referto label on motor Fan motor will not stop Improperly wired fan control Check all wiring 2 Main burners not lighting while 2 Referto H and N symptoms thermostat calls for heat 3 Defective fan switch 3 Replace fan switch Not enough heat 1 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 Heater cycling on limit control
48. fan starts then set the thermostat to its lowest setting The burners and power venter motor should stop operating immediately while the fan continues to operate until the fan time delay times out shutting it off Reset the thermostat to the desired operational setting 27 Figure 21 Burner components unit controls intermittent pilot ignition Burner Drawer Common Parts Main Burners Burner Manifold Air Shutters Burner Springs Main Burner Orifice Transformer Pilot Tubing Controls refer to Wiring Diagrams p 41 8A Main Gas Valve Honeywell 8B Main Gas Valve White Rodgers 9 Honeywell Ignitor 10 Honeywell Pilot Burner 11 Honeywell Pilot Orifice 12 Honeywell Electrode Sensor Lead 13 Hi Limit Switch Located on Rear Header Plate of Heat Exchanger 28 GKND SVX01B EN Checking Unit Heater Gas Input Rate Overfiring Never overfire the unit heater as this could cause unsatisfactory operation or shorten the life of the heater Gas appliances are rated based on sea level operation with no adjustment required at elevations up to 2000 feet 610 m At elevations above 2000 feet 610 m input ratings should be reduced by 4 percent for each 1000 feet 305 m above sea level Check the input rate as follows 1 Turn off all other gas appliances that utilize the same gas meter as the unit heater Let the unit
49. g 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 GKND SVX01B EN 15 S TRANE Installation Piping Gas Supply 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 unit heater size the gas piping as follows 1 Find the ft3 hr by using the following formula Input 3 oe Btu per ft 2 Refer to Table 3 p 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 unit heater to a 1 000 Btu ft 0 29 kW natural gas supply 2000000 200 ft hr Using Table 3 p 17 a 1 inch pipe is needed Notes e See General Safety Information p 7 for English SI metric unit conversion factors e fmorethan one gas unit heater is to be served by the same piping arr
50. gas or disconnect power before servicing could result in death or serious injury Figure 24 Identification of parts Ref No Description 1 Relay Junction 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 Tools and Parts Needed Separated Combustion Units Remove both tubes at Wire Stripper and Crimper Slotted Head and 42 Phillips MOOT Head Screwdriver 3 8 in Wrench 1 8 Allen Wrench e Mark locations of the Relay Junction Box and Pressure long handle marker 1 1 4 in push on terminal for Wire Switch Mounting Brackets along with the Motor Item 10 mounts on the Mounting Adapter Plate Item 4 Notes using a marker 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 e Remove nut Item 5 that secures the Motor Support Shipping Bracket Item 6 to the Mounting Adapter Plate Pull this bracket away from the Motor Mounting Adapter Plate Remove three phillips head
51. h Installation must be made in accordance with local codes or in absence of local codes with the latest edition of ANSI Standard 2223 1 CSA 2 6 Also see sections on installation in No 54 National Fuel Gas Code Aircraft Hangers p 12 and Public Garages of the ANSI and Standards referred to p 12 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 American National Standards Donotalter the unit heater in any way or damage to the unit and or severe personal injury or death could occur Institute INC 11 West 42nd Street New York Turn off the gas supply and disconnect all NY 10036 or www ansi org The NFPA electric power including remote disconnects Standards are available from the National Fire before servicing unit Follow proper lockout Protection Association Batterymarch Park tagout procedures to ensure the power can not be inadvertently energized and the gas can not GKND SVX01B EN 7 e TRANE General Information be inadvertently turned on Failure to turn off When connecting to existing gas lines be sure to gas or disconnect power before servicing could valve off the gas supply ahead of connection result in death or serious injury point To avoid explosion or possible fire always Follow installation instructions CAREFULLY to purge all residual gas from piping b
52. heater run for 15 minutes Using the gas meter clock the time that it 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 g Input Rate 200 000 BTU hr Refer to General Safety Information p 7 for metric conversions GKND SVX01B EN Start Up Table 6 Main burner orifice schedule Type of Gas Natural Propane Heating 1075 BTU ft3 2500 BTU ft3 Inputin Value 40 1 MJ m 93 1 MJ m 1000 Manifold Burner BTU a Pressure 3 5 wc 0 9 kPA 10 5 wc 2 6 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 T 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 a
53. ltitude 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 After the unit has been operating for at least 15 minutes adjust the primary air flow to the burners Turn the friction locked manually rotated air shutters clockwise to close or counterclockwise to open see Figure 21 p 28 Figure 2 p 8 and Figure 4 p 9 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 29 Figure 22 Main burner flames 0 CAN C YS NORMAL LIFTING HARD FLAME TOO MUCH AIR 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 4 Replace the pilot adjustme
54. lure 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 MANUAL SHUT OFF VALVE WITH 1 8 IN N P 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 A T HANDLE GAS COCK MUST BE USED TO UNIT GAS VALVE GAS SUPPLY LINE ALTERNATE 1 GAS SUPPLY LINE rue ae H gt H 3 M L GROUND JOINT UNION 76MM MIN PLUGGED 1 8 IN N P T TEST 036316 GAGE 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 4 Gas piping Gas Type Natural Gas Propane LP Gas Manifold Pressure 3 5 in wc 10 5 in wc 0 9 kPa 2 6 kPa Supply Inlet Pressure 14 0 in wc Max 14 0 in wc Max 3 5 kPa
55. m 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 GKND SVX01B EN e TRANE Installation Mechanical Note Unit heater sizing should be based on heat loss calculations where the unit heater output equals or exceeds heat loss Heater output is approximately 80 percent of input Btu hr rating Clearances Each gas unit heater shall be located with respect to building construction and other equipment so as to permit access to the Unit Heater Clearance between walls and the vertical sides of the Unit Heater shall be no less than 18 inches 457 mm A minimum clearance of 6 inches 152 mm must be maintained between the top of the Unit Heater and the ceiling The bottom of the Unit Heater must be no less than 24 inches 610 mm from any combustible The distance between the flue collector and any combustible must be no less than 6 inches 152 mm Also see Combustion Air Venting and Piping p 18 and Exhaust Venting p 19 Note Increasing the clearance distances may be necessary if there is a possibility of distortion or discoloration of adjacent materials Heavy Objects Make certain that the lifting methods used
56. ment 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 32 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 service routine 1 Inspectthe area nearthe unitto be sure thatthere is no combustible material located within the minimum clearance requirements listed in this manual 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 unit heater 3 To clean or replace the main burners remove the bottom panel and compress the spring by moving the bur
57. ner 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 heat 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 gasunit heater by replacing all parts in reverse order 7 Complete the appropriate unit start up procedure as given in Operation 27 see unit lighting instruction plate and the unit nameplate 8 Checkthe burner adjustment see Primary Air Shutter Adjustment p 29 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 of the gas unit heater The gas valve should close tightly completely extinguishing the flame on the main burners 11 Inspect and service the motor fan assemblies To maintain efficient air flow inspect and clean the fan blades and guard to prevent buildup of foreign matter GKND SVX01B EN 12 Check lubrication instructions on the motor If oiling is required add 3 to 4 drops of electric motor oil as follows a Light Duty After 3 years or 25 000 hours of operation b Average Duty Annually after
58. ness lethargy inappropriate tiredness or flu like symptoms 1 Each Separated Combustion Unit Heater comes equipped with a power vent system that consists of a power venter motor and blower pressure switch and sealed flue collector 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 2 The power venter motor is energized by the room thermostat when a demand for heat is sensed The pressure switch measures the pressure differential between the air inlet and exhaust vent systems If the differential is correct the indirect spark ignition system is energized 3 The indirect spark ignition system consists of an ignition module a dual combination valve and a spark ignited pilot burner When the pressure switch is closed the pilot valve opens as a spark is generated to light the pilot When the flame is sensed by the flame sensing circuit the spark ceases and the main gas valve is opened to supply gas to the main burners Once the thermostat has been satisfied the vent system and gas valve are simultaneously de energized stopping all gas flow to the unit 4 Thelimitswitch interrupts the flow of electric currentto the main gas valve if the unit heater becomes overheated 5 The fan switch delays the operation of the fan is delayed for approximately 45 seconds once the thermostat is closed and c
59. nit heaters must be installed in aircraft hangars and public garages as follows in aircraft hangars unit heaters 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 unit heaters must be located at least 8 feet 2 4 m above the floor Refer to the latest edition of NFPA 88B Repair Garages In parking structures unit heaters 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 However any unit heater mounted in a parking structure less than 8 feet 2 4 m above the floor must be equipped with an OSHA approved fan guard Refer to the latest edition of NFPA 88A Parking Structures In Canada installation must be in accordance with the latest edition of CAN CanGa B149 Installation Codes for Gas Burning Appliances and Equipment Air Distribution Direct air towards areas of maximum heat loss When multiple heaters are involved circulation of air around the perimeter is recommended where heated air flows along exposed
60. nstallation Mechanical NOTICE Equipment Damage Do not install unit heaters 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 Unit heaters 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 Since the unit is equipped with an automatic gas ignition system the unit heaters must be installed such that the gas ignition control system is not directly exposed to water spray rain or dripping water Note Location of unit heaters is related directly to the selection of sizes refer to Figure 6 Basic rules are as follows Figure 6 Heater location ra La cD ra ial Mounting Height Unit heaters must be installed at a minimum of8 feet 2 4 m above the floor measured to the bottom of the unit At heights above 8 feet 2 4 m less efficient air distribution will result Occasionally unit heaters must be mounted at heights of 12 to 16 feet 3 7 to 4 9 m in order to clear obstacles When this is the case it is advisable to use centrifugal blower unit heaters Aircraft Hangers U
61. nt 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 6 p 29 Note decrease above 10 percent is desired please contact the manufacturer for verification of proper operations 30 GKND SVX01B EN Start Up Gas Equipment Start Up Customer Job Name amp Number Pre Inspection Information with Power and Gas Off Type of Equip Indoor Unit Heater 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
62. on S TRANE Introduction AWARNING Safety Alert You MUST 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 liquids 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 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 be
63. ontinues fan operation for approximately 65 seconds after the thermostat opens Note The start up fan delay must not exceed 90 seconds from a cold start 6 The wall thermostat supplied optionally is a temperature sensitive switch that operates the vent GKND SVX01B EN and ignition systems to control the temperature of the space being heated Note The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions Initial Lighting 1 Openthe manual gas valve inthe gas supply line to the unit heater Loosen the union in the gas supply line to purge it of air Tighten the union and check for leaks 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 Turn on the electrical power The unit heater should now be under the control of the thermostat Set the thermostat to its highest setting the power venter motor should start and burner ignition occur Allow the unit heater to operate until the
64. ort blocks etc have been removed from the unit 2 Adjust the blower drive belt tension by means of the two tension bolts on the blower motor base When proper tension has been achieved the mid point Blower Drive Adjustment Drive Belt Disconnect all electrical power including remote disconnect before adjusting the drive belt Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to do so could result in drive belt turning on unexpectedly which could result in serious injury 1 Remove the belt guard and loosen the belt tension bolts on the blower motor base 2 Loosen the set screw on the adjustable half of the motor sheave To increase the blower speed turn the adjustable half of the sheave clockwise counter clockwise to slow the blower Retighten the set screw 3 Realign the blower and motor sheaves if necessary Adjust the belt tension as specified in Blower Set Up p 26 Step 2 5 Replace the belt guard Belt Guard Never operate the unit without the belt guard in place or severe personal injury could result 6 Check that the air flow of the unit the rpm and current draw ofthe blower motor and the temperature rise are within the limits specified in Table 1 p 10 the blower motor rating plate and the rating plate on the unit respectively Equipment Damage Never operate the unit beyond the sp
65. ould result in death or serious injury Horizontal Termination Select a location on an outside wall for the vent terminal In most applications the terminal should be on level with the flue outlet of the unit less 1 4 inch per foot pitch for condensate drainage toward the outside of the building see Figure 15 p 22 21 e TRANE Installation Piping Figure 15 Horizontal concentric venting Flue Terminal Assy Field Part 4 3605 Shown or Breidert Part 2221 2 Size pipes according to Table 1 p 10 Concentric Vent Box 3603 Inlel Air Screen Partt 3604 e 16 24 Max The location of the vent terminal must be in accordance with the National Fuel Gas Code ANSI Z223 1 in the 0 5 the National Gas Installation Code CAN CGA B149 1 orthe Propane Gas Installation Code CAN CGA 149 2 in Canada Minimum clearance are as follows Table 5 Horizontal concentric venting minimum clearance Minimum Clearance Object U S Canada Forced air inlet within 3 Teet above 6 feet 10 feet 12 inches for 100 000 Btu h input or less 3 feet for input exceeding 100 000 Btu h Door window or gravity 4 feet below air inlet or combustion air 4 feet horizontally inlet for other appliance 1 foot above Adjacent public walkways 7 feet above grade 7 feet above grade Above grade level 1 foot 1 foot In Canada a vent shall not terminate
66. out 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 Maintenance Service information should be recorded accordingly on the inspection sheet provided in this manual see Gas Equipment Start Up p 31 Note The heater and vent system should be checked once year by a qualified technician 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 Important Gas tightness of the safety shut off valves must be checked on at least an annual basis 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 equip
67. r installations in Canada use corrosion resistant and gas tight listed vent pipe conforming with local building codes or in the absence of local building codes with current CAN CanGa B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CAN CanGa B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment Any run of single wall vent pipe passing through an unheated space must be insulated with an insulation suitable to 550 F 288 C Theventsystem must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21 mm m toward the vent cap to facilitate drainage Vertical vent pipes should be piped as depicted in Figure 11 p 21 and Figure 12 p 21 The equivalent length of the vent system must not be less than five feet 1 5 m and must not exceed 50 feet 15 2 m Equivalent length equals the total length of straight pipe plus 15 feet 4 6 m for each 90 degree elbow and five feet 1 5 m for each 45 degree elbow Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil tape or its equivalent must be used to seal each joint General Electric RTV 108 Dow Corning RTV 732 or an equivalent may be used instead of the tape For horizontal vent systems longer than five feet 1 5 m the system must be supported from overhead building structures at three foot 1 m interval
68. rill Screw 10 Screw Machine L 3 4 24 Junction Box Base 11 Nut Keps Ext Lock Washer 25 Purge Relay not shown located in Junction Box 12 Air Pressure Switch 13 Drill Screw 14 Junction Box Cover Notes 1 For item 6 use counter clockwise rotation 2 DO NOT OVERTIGHTEN CELCON NUT HAND TIGHTEN ONLY DO NOT USE TOOLS Approximate 1 3 turn maximum or 8 inch pounds is sufficient from the point where the tube does not slip in or out 3 Flue Sizes 30 75 units 4 dia flue outlet Reducer required To be supplied by installer 100 175 units 4 dia flue outlet Reducer required to be supplied by installer 200 250 units 5 dia flue outlet no adapter required 300 400 units 6 dia flue outlet Increaser required to be supplied by manufacturer 34 GKND SVX01B EN e TRANE Maintenance Installation Instructions for Field Important This replacement must be performed only Replacement of Power Venter Motor by a qualified technician Note All hardware screws nuts washers that will be removed from the unit will be reused for this motor AWARNING replacement DO NOT LOSE ANY OF THESE Hazardous Voltage and Gas Gii 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
69. s The exhaust vent system must remain at a minimum distance of six inches 152 mm from all combustible materials Any part of the vent system that passes through a combustible material must be properly insulated Note Increasing the clearance distances may be necessary ifthere is a possibility of distortion or discoloration of adjacent materials For a VERTICAL vent pipe section that passes through a floor or roof an opening four inches 102 mm greater in diameter is required The opening must be insulated and flashed in accordance with applicable installation codes A HORIZONTAL section of an exhaust vent system that passes through a combustible wall must be constructed and insulated as shown in Figure 13 p 21 and Figure 14 p 21 19 e TRANE Installation Piping 10 20 The top of a VERTICALLY VENTED exhaust system must extend at least three feet 1 m above the roof surface that it passes through The point of termination for a HORIZONTALLY VENTED exhaust system must be at least 12 inches 305 mm from the exterior of the wall that it passes through In addition the termination point must be at least three feet 1 m above grade or above the snow line more than six feet 2 m from the combustion air inlet of another appliance more than three feet 1 m from any building opening and more than four feet 1 3 m from and not directly above any gas meter or service regulator refer to Figure 13 p 21 and Figur
70. tat manufacturer s instructions Recommended Heat Anticipator Setting Ranges ft 7 6 m T stat 15 2 m T stat Wiring iring 0 85 to 0 90 A 0 30 to T TA Max Setting on T stat Fan Time Delay Control Leads from the time delay controls are factory wired to the junction box 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 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 GKND SVX01B EN e TRANE Installation Electrical 25 Blower Set Up The drive ratio of the motor and blower sheaves has been preset at the factory for a temperature rise of 65 F at 0 wc with no external duct work on system If the unit is to be operated under different air flow or pressure requirements the drive ratio must be altered by means of the adjustable sheave on the blower motor see Figure 20 p 26 1 Ensure that all packing material supp
71. tes normally replace switch L Noisy 1 Fan blades loose 1 Replace or tighten 2 Fan blades dirty 2 Clean fan wheel 3 Vibration isolators deteriorated 3 Replace vibration isolators 4 Bearings are dry 4 Oil bearings on fan 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 38 GKND SVX01B EN E TRANE Diagnostics Table 7 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action 2 Pilotadjustment screw turned too 2 Refer to Operation p 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 Referto Operation p 27 pressure 7 Drafts around unit 7 Eliminate drafts Refer to Installation Mechanical p 12 8 Pilot valve not opening faulty 8 Inspect and correct all wiring wiring 9 No spark faulty wiring 9 Inspect and correct ignition system wiring See symptoms U V and W 10 Defective gas valve 10 Replace Fan 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 th
72. the power source conforms to the electrical requirements of the heater All field installed wiring must be completed by qualified personnel 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 heater To prevent the risk of electrocution the heater must be securely and adequately grounded This should be accomplished by connecting a grounded conductor between the service panel and the heater To ensure a proper ground the 1 Gas valve 4 Air shutters grounding means must be tested by a qualified 2 Main burners 5 Pilot assy electrician 3 Retainer spring 6 Manifold Do not insert fingers or foreign objects into the heater 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 heater 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 In cases in which property damage may result from malfunction of the heater a backup system or a temperature sensitive alarm should be used 8 GKND SVX01B EN Figure3 Internal furnace assembly MANIFOLD amp MAIN BURNERS INCLUDED IN BURNER COMPA
73. to lift the heater and the method of suspension used in the field installation of the heater are capable of uniformly supporting the weight of the heater at all times Make certain that the structure to which the heater is mounted is capable of supporting its weight Under no circumstances must the gas lines the venting system or the electrical conduit be used to support the heater or should any other objects i e ladder person lean against the heater gas lines venting system or the electrical conduit for support Failure to follow recommendations could result in death or serious injury NOTICE Equipment Damage Unit heaters must be hung level from side to side and from front to back see Figure 1 p 7 and Figure 5 p 11 through Figure 9 p 14 Failure to do so could result in poor performance and or premature failure of the unit Heavy Objects Ensure that all hardware used in the suspension of each unit heater 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 13 e TRANE Installation Mechanical Note Refer to Figure 1 p 7 through Figure 9 p 14 and dimensional data per Table 1 p 10 for suspension of units Figure 8 Heater mounting STEEL CONSTRUCTION lt gt 7 LLLLLL 2 22 5 Pn TH S
74. try specific requirements 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 GKND SVX01B EN 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 Overheating or Flooding
75. uld result in death or serious injury or equipment damage GKND SVX01B EN The combustion air system installation must be in accordance with the latest edition of N EP A 54 ANSI Z223 1 National Fuel Gas Code In Canada installation must be in accordance with CAN CanGa B 149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CanGa B149 2 Installation Code for Propane Burning Appliances and Equipment A Breidert Type L or Fields inlet cap furnished by the customer must be installed atthe termination point of the combustion air system see Figure 11 p 21 through Figure 14 p 21 Note The top of the inlet cap is to be no less than 12 inches 305 mm from the top ofthe vent cap see Figure 11 p 21 through Figure 14 p 21 Use single wall pipe constructed of 26 gauge galvanized steel or a material of equivalent durability and corrosion resistance for the combustion air system Long runs of single wall combustion air piping passing through an unheated space may require insulating if condensation becomes noticeable The combustion air system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21 mm m toward the inlet cap to facilitate drainage Vertical combustion air pipes should be piped as depicted in Figure 11 p 21 The equivalent length of the combustion air system must not be less than five feet 1 5 m and must not exce
76. ut 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 these 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 St
77. walls Satisfactory results can also be obtained where multiple heaters are located toward the center of the area with heated air directed toward the outside walls Be careful to avoid all obstacles and obstructions which could impede the warm air distribution patterns Heat throw distances are presented in Table 2 p 12 and Figure 7 Table 2 Standard applications approximate heat throw distances see Figure 7 Unit Size Btu h kW ft 100 000 125 000 150 000 175 000 200 000 225 000 250 000 300 000 350 000 400 000 m 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 8 60 65 70 75 80 85 90 105 110 120 2 4 18 3 19 8 21 3 22 9 24 4 25 9 27 4 32 0 33 5 36 6 10 54 56 60 64 68 72 78 90 95 100 3 0 16 5 17 1 18 3 19 5 20 7 21 9 23 8 27 4 29 0 30 5 12 44 46 49 57 61 65 68 80 84 90 3 7 13 4 14 0 20 7 17 4 18 6 19 8 20 7 24 4 25 6 27 4 15 NR NR 45 49 52 56 60 70 74 80 4 6 22 6 14 9 15 8 17 1 18 3 21 3 22 6 24 4 20 NR NR NR NR 46 50 54 63 66 70 6 1 14 0 15 2 16 5 19 2 20 1 21 3 Note NR Not recommended a H 2 Distance from floor to bottom of the unit 12 GKND SVX01B EN Figure 7 Heat throw distances D4306 NOTICE Maintain Minimum Thermostat Setting Unit heaters should not be installed to maintain low temperatures and or freeze protection of buildings

Trane Gas Unit Heaters Installation and Maintenance Manual

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