Home

Trane Gas Unit Heaters Installation and Maintenance Manual

1. 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 30 GHND SVX01C EN 31 Gas Equipment Start Up Customer Job Name amp Number Pre Inspection Information with Power and Gas Off Type of Equip 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 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 wcor kPa
2. 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 Electronic Modulating with External 0 10 Vdc Input T Single Stage Direct Spark Ignition V Two Stage Direct Spark Ignition Digit 10 Design Sequence Seventh Design Digit 11 Heat Exchanger Material 1 Aluminized Steel 3 321 Stainless Steel Digit 12 Rooftop Arrangements 0 None Indoor Unit Digit 13 Rooftop Heating Unit Motor Selection 0 None Indoor Unit and Rooftop Duct Furnace Digit 14 Rooftop Fan Section 0 None Indoor Unit and Rooftop Duct Furnace Digit 15 Miscellaneous Options 0 None A 409 Stainless Steel Burners Orifices For Elevation Above 2000 Feet Specify Elevation 31409 Stainless Steel Draft Diverter Summer Winter Switch Vertical Louvers Totally Enclosed Motor OSHA Fan Guard o GHND SVX01C EN General Information Description The Power Vented Gas Unit Heater is a factory assembled power vented low static pressure type propeller fan heater designed to be suspended within the space to be heated THESE HEATERS ARE NOT TO BE CONNECTED TO Figure 1 Power Vented Propeller Unit Heaters Front view e TRANE DUCTWORK The designs are certified by ETL as providing aminimum of80 percentthermal efficiency and approved fo
3. BUILDING MATERIAL DEGRADATIDN FRUM FLUE GASES PITCH FLUE PIPE DOWN TOWARD DUTLET 1 4 PER FOOT lt 21MM M gt FLASHING OF RUN TO ALLOW FOR CONDENSATE DRAINAGE 8 10 WALL 803 254MM MAXIMUM 3 FEET 6914 M PLUS MAXIMUM SNOW DEPTH FOR AREA ABDVE GRADE CLEARANCE TO BE AS SPECIFIED D3661E BY VENT MANUFACTURER Figure 15 Vertical arrangement single wall vent system to double wall termination VERTICAL ARRANGEMENT SINGLE WALL VENT SYSTEM TO DOUBLE WALL TERMINATION Ind 6 0 MIN MIN APPROVED VENT CAP SEE INSTRUCTIONS 3 ADJACENT BUILDING 2 FEET 609 PLUS MAXIMUM SNOW H DEPTH FOR AREA H VERTICAL PIPE EX M TENSION OVER 12 305MM M MUST INSULATED ROOF M RODF PITCHED FLASHING FROM 0 45 I 3662 Jl 10 CLEARANCE TO BE AS SPECIFIED M 803 254MM BY VENT MANUFACTURER MAXIMUM VENT PIPE DIAMETER SEE SPECIFICATION TABLE D SEAL JOINT BETWEEN SINGLE WALL VENT AND VENT AND THE ANNULAR SPACE D THE VENT 22 GHND SVX01C EN Figure 16 Horizontal left vent position rear view of unit heater To Horizontal Flue Vent Termination Reducer Increaser Where Applicable Tee With Drip Leg amp Cleanout Cap At Lowest Point Of Vent System Typ CQ Power Venter
4. Mechanical Equipment Damage Unit heaters must be hung level from side to side and from front to back see Figure 1 p 7 and Figure 6 p 11 through Figure 9 p 14 Failure to do so could result in poor performance and or premature failure of the unit procedure described in Step 2 using the bottom bracket P N 252 07949 00X Using the sixteen 16 5 16 12 x 1 2 screws attach the left and right side panel P N 251 07944 and 251 07946 to the unit heater using the holes to which the louvers were attached Using the enclosed 8 18 x 1 2 screws and with the top panel oriented such that the side with the larger holes is facing the unit heater attach the top panel P N 251 07942 00X to the top bracket and the two 2 side panels AWARNING 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 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 6 Using the enclosed 8 18 x 1 2 screws and with the serious injury 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 R
5. 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 arrangement 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 AWARNING 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 GHND SVX01C EN 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
6. 44 40 37 35 16 4 96 3 40 2 75 2 32 2 07 1 87 1 73 1 61 1 50 1 42 1 25 1 13 1 05 0 99 3 4 0 824 360 250 200 170 151 138 125 118 110 103 93 84 71 72 21 10 2 7 08 5 66 4 81 4 28 3 91 3 54 3 34 3 11 2 92 2 63 2 38 2 18 2 04 1 1 049 680 465 375 320 285 260 240 220 205 195 175 160 145 135 27 19 3 13 2 10 6 9 06 8 07 7 36 6 80 6 23 5 80 5 52 4 96 4 53 4 11 3 82 1 1 4 1 380 1400 950 770 660 580 530 490 460 430 400 360 325 300 280 35 39 6 26 9 21 8 18 7 16 4 15 0 13 9 13 0 12 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
7. All Maintenance Service information should be recorded accordingly on the inspection sheet provided in this manual see Gas Equipment Start Up p 32 Note The heater and vent system should be checked once a year by a qualified technician AWARNING Hazardous Voltage and Gas Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury Important Gas tightness of the safety shut off valves must be checked on at least an annual basis AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property only damage To check gas tightness of the 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 GHND SVX01C EN e TRANE mano
8. CJ Tighten all electrical terminals and connections C Pilot and main burner ignition O Check all fans and blowers for free movement O Manifold gas pressure in wcor X kPa O Check all controls for proper settings O Check electronic modulation Set at O Cycle and check all other controls not listed BLOWER O Entering airtemp For With power on and gas off O Discharge air temp high fire Eor C O Check voltage L1 L2 L3 O Check rotation of main fan O Check motor amps L1 L2 L3 Remarks 32 GHND SVX01C EN Maintenance AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Periodic Service
9. D4072 Figure 17 Horizontal right vent position rear view of unit heater Reducer Increaser Where Applicable To Horizontal Flue Vent Termination Power Venter gt N D4073 Tee With Drip Leg amp Cleanout Cap At Lowest Point Of Vent System Typ Figure 18 Vertical vent position side view of unit heater n Tee With Drip Leg amp Cleanout Cap 7 040711 Power Venter GHND SVX01C EN To Vertical Flue Vent Termination Reducer Increaser Where Applicable TRANE Installation Piping 23 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 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 tr
10. GHND SVX01C EN 11 TRANE Installation 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 7 Basic rules are as follows Figure 7 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 blo
11. 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 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 Power Vented Propeller Units with Intermittent Spark Pilot Ignition Explanation of Controls 1 The unit heater is equipped with a power venter system consisting of a power venter motor and blower pressure switch and sealed flue collector in place of the conventional draft diverter a The power venter motor is energized by the room thermostat on a call for heat The pressure switch measures the flow through the vent system and energizes the indirect spark ignition system when the flow is correct AWARNING Risk of Fire and Carbon Monoxide Poisoning The pressure switch MUST NOT be bypassed The unit MUST NOT be fired unless the power venter is operating Failure to follow these reco
12. bottom of box to side Reconnect all wires according to the unit s wiring diagram Figure 11 Adaptor installation LUE VENT REDUCER DAPTOR arom 175 MBh unit sizes Table 5 Vent systems termination clearance requirements Minimum for Structure Termination Locations Door window or any gravity air inlet 4 feet below 4 feet horizontally 1 foot above Forced air inlet within 10 ft 3 feet above Adjoining building or parapet 6 feet Adjacent public walkways 7 feet above grade ote The reducer must be field supplied for 100 125 150 and 127 ADAPTOR ATTACH THE FLUE VENT REDUCER INCREASER ADAPTOR THE INSIDE OF THE POWER VENTER BLOWER HOUSING USE 4 8 SHEET METAL SCREWS il FASTEN ADAPTOR TO POWER VENT ASSY CNi DIMENSIONS XXX STANDARD UNITS a If the vent terminal is to be installed near ground level the vent terminal must be positioned at least twelve inches above the maximum antici pated snow depth see following for Canadian requirements FLUE VENT INCREASER ADAPTOR SUPPLIED BY MFR FOR 300 350 400 UNIT SIZES Y POWER VENTER ASSY SER SSN 036344 DIMENSIONS IN PARENTHESIS MILLIMETERS Refer to specification table and installation manual for proper usage The following instructions apply to Canadian installations in addition to installation and operating instructions 1
13. consignee should sign the bill of lading indicating such damage and immediately file claim for damage with the transportation company Important It is the equipment owner s responsibility to provide any scaffolding or other apparatus required to perform emergency service or annual periodic maintenance to this equipment WERTE ENERGY PERFORMANCE VERIFIED RENDEMENT C US ENERGETIQUE LISTED Verip Intertek GHND SVX01C 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 1 13 Nozzle 14 Installation Piping 16 Gas Supply Piping 16 Pipe SIZING 16 Pipe Installation 17 Installation 18 Venting for Power Vented Category 111 Unit Heaters 18 Installation Electrical 24 Electrical Connections 24 Thermostat Wiring and Location 24
14. 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 p 16 Clean heat exchanger Determine cause and repair accordingly 38 GHND SVX01C EN 2 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 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 p 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 1
15. 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 GHND SVX01C EN AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury AWARNING Overheating or Flooding Could Cause Fire or Explosion Ove
16. heated air flows along exposed 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 8 Table 2 Standard applications approximate heat throw distances see Figure 8 A Unit Size Btu h kW ft 100000 125 000 150 000 175 000 200 000 225 000 250 000 300 000 350 000 400 000 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 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 46 50 54 63 66 70 6 1 14 0 15 2 16 5 19 2 20 1 21 3 Note Not recommended a H 2 Distance from floor to bottom of the unit 12 GHND SVX01C EN Figure 8 Heat throw distances D4306 Maintain Minimum Thermostat Setting Unit heaters should not be installed to maintain low temp
17. scum PP ERLRMEIS ES R ARS 26 27 Power Vented Propeller Units with Intermit tent Spark Pilot Ignition 27 Gas Equipment Start Up 32 Maintenance 33 Periodic Service 33 Installation Instructions for Field Replace ment of Power Venter Motor 36 How to Order Replacement Parts 37 Diagnostics 38 Troubleshooting 38 Wiring Diagrams 42 GHND SVX01C 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 H High Efficiency Propeller 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 010 100 MBh 022 225 MBh 012 125 025 250 015 150 MBh 030 300 017 175 MBh 035 350 020 200 MBh 040 400 MBh Digit 8 Main Power Supply A 115 60 1 D 230 60 3 230 60 1 E 460 60 3 C 208 60 3 F 575 60 3 Digit 9 Gas Control Option D Single Stage Intermittent Pilot Ignition Two Stage Intermittent Pilot Ignition H
18. washers that will be removed from the unit will be reused for this motor replacement DO NOT LOSE ANY OF THESE PARTS Ref Description 1 Relay Junction Box Mounting Bracket Assembly 2 8 Drill Screws 2 required 2 Pressure Mounting Bracket Assembly 4 Mounting Plate Adapter 5 Keps Nut w External Tooth Lockwasher 4 required Y 6 Motor Support Shipping Bracket 7 Phillips Head Screws 3 required 8 Power Venter Blower Housing 9 Blower Wheel 10 Motor 11 Space Washers 3 required 12 Machine Screw 3 required 13 Sensing Tube 14 Set Screw Plate Pull this bracket away from the Motor Mounting Adapter Plate Remove three phillips head screws Item 7 on the Motor mounting Adapter Plate Remove the Motor Blower Wheel Adapter Plate assembly from the Power Venter Blower Housing 8 Remove the Blower Wheel Item 9 from the motor shaft by removing the set screw Item 14 using 1 8 in Allen Wrench Remove the three Motor Mounting Nuts Item 5 Space Washers 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 GHND SVX01C EN How to Order Replacement Parts Please send t
19. 1 bearing set GHND SVX01C EN Operation Explanation of Controls see Figure 20 p 26 AWARNING 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 grogginess 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 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
20. 156 142 130 Notes 1 Determine the required ft3 h by dividing the rated heater input by 1000 For SI Metric measurements Convert unit Btu h to kilowatts Multiply the unit input KW by 0 0965 to determine m3 h 2 FOR NATURAL GAS Select the pipe size directly from the table 3 FOR PROPANE GAS Multiply the ft3 h m3 h value by 0 633 then use the table 4 Refer to the metric conversion factors listed in General Safety Information p 7 for more SI unit measurements conversions a Maximum capacity of pipe in cubic feet of gas per hour cubic 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 All piping should be sized in accordance with the latest edition of AWARNING Hazard of Explosion Adequately support the piping to prevent strain on the gas manifold and controls To prevent explosion fire or gas leaks support piping so that piping does not sag or put pressure on the burners internal to the unit Failure to follow these recommendations could result in de
21. 16707 679 679 679 679 679 679 679 679 679 18 18 18 18 18 18 18 18 18 18 mm 457 457 457 457 457 457 457 457 457 457 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 ae in 30 5 8 30 5 8 30 58 30 558 30 5 8 30 5 8 30 558 30 5 8 30 5 8 30 5 8 K iDepih to Centerline ai 778 778 778 778 778 778 778 778 778 L Hanger Location in 16 1 4 16 3 4 16 3 8 16 3 8 16 3 8 16 3 4 16 3 4 16 3 4 16 3 4 16 3 4 mm 413 425 416 416 416 425 425 425 425 425 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 Fan Diameter in 14 16 16 18 18 18 18 2 16 2 18 2 18 Gas Inlet Natural Gas in 100 000 125 000 150 000 175 000 200 000 225 000 250 000 300 000 350 000 400 000 Gas Inlet LP Gas in 2 1 2 1 2 1 2 1 2 1 2 or 3 4 Approx Shipping Wt 174 197 219 238 249 275 305 350 414 261 kg 79 89 99 108 113 125 138 159 188 209 Notes 1 For installations in Canada any references to deration at altitudes in excess of 2000 ft 610m are to be ignored At altitudes of 2000 to 4500 ft 610m to 1372m 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 installat
22. 2 7 Improper venting 7 Refer to Installation Piping p 16 H Failure to ignite 1 Main gas off 1 Open all manual gas valves 2 Lack of power at unit 2 Replace fuse or turn on power supply 3 Thermostat not calling for heat 3 Turn up thermostat 4 Defective limit switch 4 Check limit switch with continuity tester If open replace limit switch 5 Improper thermostat or 5 Check wiring per diagrams transformer wiring Defective gas valve Replace gas valve 7 Defective thermostat 7 Check thermostat and replace if defective Defective transformer Be sure 115 volts is supplied to the transformer primary then check for 24 volts at secondary terminal before replacing 9 Loose wiring 9 Check and tighten all wiring connections per diagrams 10 Defective ignition control 10 Replace if necessary Also see U V and W symptoms Condensation of water vapor 1 Improper venting 1 Refer to Installation Venting 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 or 3 Check wiring per diagrams transformer wiring at gas valve 4 Short circuit 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
23. 33 Full Load Amps at 115V 5 2 7 2 7 8 9 2 9 2 9 2 9 2 12 5 15 0 15 0 Motor hp 1 20 1 10 1 4 1 3 1 3 1 3 1 3 1 4 1 3 1 3 kW 0 037 0 075 0 186 0 249 0 249 0 249 0 249 0 186 0 249 0 249 SP SP PSC PSC PSC PSC PSC PSC PSC PSC RPM 1 050 1 050 1 140 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps 115V 2 6 4 2 4 7 5 8 5 8 5 8 5 8 9 4 11 6 11 6 DIMENSIONAL vus in 31 74 31 1 4 36 14 36 1 44 36 1 4 36 4 36 04 36 14 36 1 4 36 1 4 A Height to Top of Unit c 394 794 921 921 921 921 921 921 921 921 B Width of Unit in 17 7 8 20 58 20 558 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 um 34 1 8 34 1 8 39 1 8 39 1 8 39 1 8 39 18 39 1 8 39 18 39 1 8 39 1 8 C Height to Top of Hanger 867 867 994 994 994 994 994 994 994 994 uns Lo in 37 02 37 2 3712 37 2 37 02 37 02 37 2 37 02 37 02 37 1 2 D Depth to Rear of Housing lc 1052 952 952 952 952 952 952 952 952 952 TER in 14172 171 44 171 4 20 22 314 25 12 28 4 33 34 39 14 44 3 4 E Hanging Distance Width 368 438 438 508 578 648 718 857 997 1137 15 3 8 18 08 18 108 20 78 23 58 26 3 8 29 1 8 34 5 8 40 08 45 5 8 F Discharge Opening Width 391 460 460 530 600 670 740 879 1019 1159 m Hen in 26 334 26 3 4 26 3 4 26 34 26 3 4 26 34 26 314 26 33J4 26 3 4 26 3 4 G Depth to Unit Side Jacket m
24. Installation must conform with local building codes or in absence of local codes with current CSA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CSA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment 2 Any references to U S standards or codes in these instructions are to be ignored and the applicable Canadian standards or codes applied 3 If using a metal vent system under positive gauge pressure in Canada a slip fit vent connection must be secured by at least two corrosion resistant screws or other mechanical locking means 4 The vent shall not terminate a Lessthan six feet 1 8 m from a combustion air inlet or another appliance b Less than three feet 1 m from any other building opening or any gas service regulator 20 c Directly above a gas utility meter or service regulator GHND SVX01C EN TRANE Installation Piping Figure 12 Horizontal arrangement single wall vent system to single wall termination BUILDING OVERHANG ADJACENT i BUILDING VENT PIPE DIAMETER SEE SPECIFICATION TABLE 1 APPROVED VENT CAP 3 0 MIN SEE INSTRUCTIONS 0 9 MIN 19 2 MIN 305 mm MIN L Ae _ 51 MIN TU PREVENT Sas ALL AROUND BUILDING MATERIAL DEGRADATION FROM FLUE GASES ES FLUE DIA PITCH FLUE PIPE psszen FLASHI
25. LINN HOLIMS NV3L 3owvndav Sv JAIM TWNIOINO JHL JO ANY J x ONIOIAN3S 30438 N3MOd 193NNOOSIQ SWALI SNOILdO AYV130 3AWA SV9 MOTI3A aL E HOLIMS i 9 t was 3ufiSS3uid Av i34 2 NON zm 2 oyo N3389 aNd 2 Jb As 6 HOLIMS 54 4 22 IWLSOWYSHL Col Coli n M 108 e coc Saale 00985 l 2 CH 09 L ASLL EI NWN z 2 2 eat S 0098S Mm T t DWT H JIT ama 6 1 1 ria 8 HOlIMS 4 H ayay SK 3WIL 5 M amp SP N a MOIJVMQO L M Bi YOLOW LE iua XE 199 HOIIMS L 3570 um Nyd TVAONVIN ls z o 21 UM zu ks Cin 8 EA l L1 J i 7 Av1i38 INIL 09 1 ASIL ZW Nai d Nv4 NC UA NOION 1 AvZ GSLL NVA 09 1 611 NI INN YOLOW YOLOW YAWYOASNVYL ne Nv3 76 8 9 NOILONN4 1 6 8 9 WIMOLDId HOSEL HOSE LO GHND SVX01C EN 42 opti
26. MUST have its own combustion air system and MUST NOT be connected to other vent systems or to a chimney Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times Failure to follow these recommendations could result in death or serious injury Units are shipped from the factory set up for vertical venting To convert the power venter for horizontal venting remove the shipping support bracket refer to Figure 11 p 20 Figure 16 p 23 through Figure 18 and Figure 23 p 35 and follow this procedure 1 Hold power venter motor in position 2 Remove the three Phillips head screws from the motor adaptor plate 3 Remove the three screws which connect the power venter stack to the power venter housing 4 Rotate the power venter housing to the horizontal position 5 Replace screws accordingly Note The motor pressure switch and junction box bracket MUST remain located as shipped from the factory for safe operation Rotate only the blower housing If the power venter housing is to be 19 Installation Piping moved to the right horizontal position the junction box must be rotated 90 degrees CCW to clear the connection To do this remove all wires conduit and conduit connector from the junction box noting location of wires Move box using holes provided Move 7 8 inch plug from
27. ND SVX01C EN Figure 4 Internal furnace components 1 Flue Collector 2 Heat Exchanger 3 Burner Drawer Figure 5 Component parts bottom view Fan Guard Motor Assy Packaged Gas Valve Pilot Observation Port Pilot Burner Assembly Parts grege qeu Burner Drawer GHND SVX01C EN Flame Carryover Main Burner Junction Box Transformer S TRANE General Information TRANE Unit Dimensions and Weights Table 1 Performance and dimensional data Power Vented Propeller 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 6 439 512 586 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 4 293 351 410 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 80 80 80 80 80 80 80 80 80 80 Free Air Delivery cfm 1 480 1 650 2 200 2 530 2 640 2 700 3 100 4 400 5 000 5 300 m3 s 0 699 0 779 1 038 1 194 1 246 1 274 1 463 2 077 2 360 2 502 Air Temperature Rise F 50 56 50 51 56 61 60 50 52 56 28 31 28 28 31 34 33 28 29 31 Outlet Velocity fpm 775 910 1 045 1 070 1 010 950 980 1 100 1 150 1 050 m s 3 94 462 5 31 5 44 5 13 4 83 4 98 5 59 5 84 5
28. NG DOWN TOWARD DUTLET E 1 4 PER FOOT 21MM M gt 2 CLEARANCE FIBERGLASS OF RUN TO ALLOW FOR 51MM L 12 INCHES 305MM PLUS IMBRE INSULATION CONDENSATE DRAINAGE MAXIMOM SNOW DEBTH MIN 2 THICK FOR AREA ABOVE GRADE 51MM MIN Figure 13 Vertical arrangement single wall vent system to single wall termination 6 0 MIN g 1 8 MIN ADJACENT BUILDING APPROVED VENT CAP SEE INSTRUCTIONS 1 6 INCHES 152MM gt PLUS MAXIMUM SNOW DEPTH FOR AREA VERTICAL PIPE EX TENSION OVER 12 305MM MUST BE INSULATED FIBERGLASS INSULATION MIN 2 THICK 5 MIN ROOF FLASHING ROOF PITCHED 1 FRUM 0 7 Z D36194 2 MIN 51 MIN CALL AROUND GHND SVX01C EN 2 CLEARANCE 51MM THIMBLE UE HE VENT PIPE DIAMETER SEE SPECIFICATION TABLE 1 21 Installation Piping Figure 14 Horizontal arrangement single wall vent system to double wall termination HORIZONTAL ARRANGEMENT SINGLE WALL VENT SYSTEM TO DOUBLE WALL TERMINATION BUILDING ADJACENT OVERHANG BUILDING SEAL JOINT BETWEEN SINGLE WALL VENT AND DOUBLE WALL VENT AND THE ANNULAR SPACE OF THE DOUBLE WALL VENT VENT PIPE DIAMETER APPROVED SEE SPECIFICATION TABLE 1 VENT CAP 3 0 MIN SEE INSTRUCTIONS 50 9 MIN 12 MIN j 305 mm MINJ 6 0 MIN TO PREVENT L8M MIN
29. UIT IF REQ SEE NOTE 3 IN S THIS END ALT HORIZONTAL LEFT VENT POSITION STANDARD VERTICAL VENT POSITION USE THIS ASSY FOR ALTERNATE HORIZ RIGHT VENT PDSITIUN ON POWER VENTED 150 250 BLOWER UNITS AND 300 400 FAN UNITS ALTERNATE HORIZONTAL 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 Drill Screw 10 Screw Machine L 3 4 24 Junction Box Base 11 Nut Keps Ext Lock Washer 25 28 Power Connection 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 S
30. ained 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 Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor nameplate and electrical rating of the transformer should be checked before energizing the 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 It is re
31. as on to the unit heater 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 gf Input Rate 200 000 BTU hr Refer to General Safety Information p 7 for metric conversions Note If the computation exceeds or is less than 95 percent of the gas Btu h input rating see Unit Dimensions and Weights p 10 adjust the gas pressure Gas Pressure Adjustments Adjust the gas pressure as follows 1 NATURAL GAS Optimum results are obtained when the heater is operating at its full input rating with the manifold pressure of 3 5 inches wc 0 9 kPa Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However field adjustment may be made as follows a Attach manometer at pressure tap plug adjacent to control outlet b Remove the regulator adjustment screw cap located on the combination gas valve c With a small screwdriver rotate the adjustment screw counterclockwise to decrease or clockwise to increase pressure Do not force beyond stop limits d Replace regulator adjustment screw cap 2 PROPANE GAS An exact manifold pressure of 10 0 inches wc 2 5 kPa must be ma
32. assemblies Go to Step 10 1 Removethe louvers and the cone springs from the unit t heater 8 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 00 and the bottom panel P N 251 07943 00X to the left side panel P N 251 07945 and to the right side panel P N 251 07947 Note The top and bottom panels must be attached so that the sides with the larger holes are facing the unit heater this makes the assembly easier 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 14 GHND SVX01C EN 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 cr
33. ath or serious injury or equipment or property only damage ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CSA B149 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 regulating valve in the line upstream from the main shutoff valve GHND SVX01C EN 3 To prevent the mixing of moisture with gas run the take off piping from the top or side of the main 4 Standard gas duct furnaces optional two stage units and hydraulic modulating units are supplied with a combination valve which includes a Manual valve b Manual B valve c Solenoid valve d Pilot safety e Pressure regulator 17 Installation Piping Pipe directly in to combination valve see Figure 10 p 18 A 1 8 in N PT plugged tapping accessible for test gauge connection must be installed immediately upstream of the gas supply connection to the appliance 6 Provide a drip leg in the gas piping near the gas 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 inl
34. commended that the electrical power supply to each unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of 24 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 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 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 Hotareas 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 pur
35. cycling 1 Looseelectricalconnectionsatgas 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 operates 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 GHND SVX01C EN 39 Diagnostics Table7 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action 2 Pilot adjustment 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 pi
36. e FRANE Installation Operation and Maintenance Gas Unit Heater High Efficiency Propeller Fan 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 GHND SVX01C EN TRANE Warnings Cautions and Notices Warnings Cautions and Notices Notethatwarnings cautions and notices appear at appropriate intervals throughout this manual Warnings are provide to alert installing contractors to potential hazards that could result in death or personal injury Cautions are designed to alert personnel to hazardous situations that could result in personal injury while notices indicate a situation that could result in equipment or property damage only accidents Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions Read this manual thoroughly before operating or servicing this unit ATTENTION Warnings Cautions and Notices appear at appropriate sections throughout this literature Read these carefull
37. eated in Step 8to the 30 degree assembly installed to the unit in Step 1 through Step 6 of this procedure Attach the corresponding panels i e top panel to top panel right side panel to right side panel etc Note For 90 degree nozzle assemblies install the second sub assembly by attaching it to the first sub assembly Attach the corresponding panels i e top panel to top panel right side panel to right side panel etc 90 NOZZLE BOTTOM PANEL LOUVERS amp CONE SPRINGS SAVED FROM UNIT HEATER 10 Install the louvers and cone springs GHND SVX01C 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 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
38. eave 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 AWARNING 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 rom and current draw of the 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 specified 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 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
39. efer to Installation Electrical p 24 Start Up Note Also refertothe lighting instruction plate equipped on the unit 1 Open the manual valve supplying gas to the unit heater and with the union connection loose purge air from the gas line Tighten the union and check for gas leaks using a soapy water solution only AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Before attempting to light or relight the pilot wait 5 minutes to allow gas which may have accumulated in the burner compartment to escape Failure to follow recommended safe leak test procedures or pilot lighting relighting instructions could result in death or serious injury or equipment or property only damage 2 Open the manual valve on the unit heater 3 Turn ON electrical power 28 4 The unit should be under the control of the thermostat Turn the thermostat to the highest point and determine that the power venter motor starts and the pilot and main burners ignite Turn the thermostat to the lowest point and determine that the power venter motor shuts off and pilot and main burners are extinguished 5 If pilot adjustment is required remove the pilot adjustment seal cap and adjust the pilot screw to obtain proper flame Clockwise rotation decreases pilot flame size Replace the cap Turn the thermostat to t
40. efer to Figure 1 p 7 through Figure 9 p 14 and dimensional data per Table 1 p 10 for suspension of nits 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 Figure 9 Heater mounting 100 400 MBtu unit sizes WOOD CONSTRUCTION JOISTS TO 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 TO FINISH THE INSTALLATION THE UNIT HEATER REQUIRES 2 ADDITIONAL MOUNTING POINTS WHEN IST WASHER NOZZLE IS USED amp NUT gt W RIGHT SS P FRONT LEFT 7 THREADED ROD amp WASHER E SEE TABLE 1 FOR E DIM AA UNIT HEATER D3629 30 NOZZLE LOUVERS amp CONE SPRINGS SAVED FROM UNIT HEATER Nozzle Assembly T T BOTTOM BRACKET USING SCREWS REMOVED THEN PRE DRILL HOLES 1 8 BOTTOM PANEL 125 DIA USING THE HOLES IN THE BOTTOM BRACKET AS A GUIDE AND GAR win INE REST OF THE SCREWS TO TRE Use the following procedure for assembling the 30 60 or sorrow RACKET 90 degree nozzle assembly to your unit heater For 30 degree nozzle
41. eratures and or freeze protection of buildings A minimum of 50 F 10 C thermostat setting must be maintained If unit heaters are operated to maintain lower than 50 F 10 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 AWARNING 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 AWARNING Hazardous Gases and Flammable Vapors Exposure to hazardous gases from fuel substances have been shown to cause cancer birth de
42. et gas piping into the valve This may cause stresses that could crack the valve Note Use pipe joint sealant resistant to the action of liquefied petroleum gases regardless of gas conducted AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Failure to follow recommended safe leak test procedures could result in death or serious injury or equipment or property only damage Figure 10 Pipe installation standard controls A MANUAL SHUT OFF VALVE WITH 1 8 IN N P T PLUGGED TAPPING ACCESSIBLE FOR TEST GAGE NECTION MUST BE INSTALLED IMMEDIATELY UPSTREAM OF THE GAS SUPPLY CONNECTION TO THE PPLIANCE WHEN INSTALLED THIN THE COMMONWEALTH OF ASSACHUSETTS HANDLE AS COCK MUST BE USED TO UNIT GAS VALVE GAS SUPPLY LINE ALTERNATE GAS SUPPLY LINE gt GROUND JOINT UNION PLUGGED 1 8 IN N P T TEST GAGE CONNECTION 3 MIN 76MM MIN DRIP Bone 038315 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 individua
43. f local building codes with CSA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CSA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment These unit heaters have been designed and certified to comply with CSA 2 6 Also see sections on installation in Aircraft Hangers 12 and Public Garages p 12 Donotalter the unit heater in any way or damage to the unit and or severe personal injury or death could occur Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury e Follow installation instructions CAREFULLY to avoid creating unsafe conditions All wiring TRANE General Information should be done and checked by a qualified electrician using copper wire only All external wiring must conform to applicable local codes and to the latest edition of the National Electrical Code ANSI NFPA No 70 In Canada all external wiring must conform to the Canadian Electric Code Part 1 CSA Standard C22 1 e All gas connections should be made and leak tested by a suitably qualified individual per instructions in this manual Also follow procedures listed Gas Equip
44. fects 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 GHND SVX01C EN TRANE Installation Mechanical Air for Combustion The unitheater shall be installed in a location in which the facilities for ventilation permit satisfactory combustion of gas proper venting and the maintenance of ambient temperature at safe limits under normal conditions of use The unit heater shall be located in such a manner as not to interfere with proper circulation of air within the confined space When buildings are so tight that normal infiltration does not meet air requirements outside air shall be introduced per Sections 1 3 4 2 and 1 3 4 3 of ANSI Z223 1 for combustion requirements A permanent opening or openings having a total free area of not less than one square inch per 5 000 Btu h 1 5 Kw of total input rating of all appliances within the space shall be provided 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 buildi
45. 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 adjustthe 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 29 Figure 3 p 8 and Figure 5 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 GHND SVX01C EN or permanent situation when there is insufficient primary air Figure 22 Main burner flames IP V Cy UT ALD s N 4 c3 b P ond NORMAL LIFTING HARD FLAME TOO MUCH AIR O V YS 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 adjustment cap Manifold Pressure Adjustment
46. he desired position Refer to Gas Input Rate p 30 and Gas Pressure Adjustments p 30 for more specifications Shut Down 1 Turn the valve selector knob to the OFF position 2 Turn off the electricity 3 To relight follow the instructions in Start Up p 28 preceding section See Figure 21 p 29 for parts identification GHND SVX01C EN Figure 21 Burner components intermittent pilot ignition Burner Drawer Common Parts Main Burners Burner Manifold Air Shutters Burner Springs Main Burner Orifice Transformer Pilot Tubing Controls 8A Main Gas Valve Honeywell 8B Main Gas Valve White Rodgers 9 Honeywell Ignitor 10 Honeywell Pilot Burner 13 High Limit Safety device located on the rear header plate of the heat exchanger air inlet side a Also refer to Figure 6 p 11 Figure 10 p 18 and Figure 3 p 8 through Figure 5 p 9 for component locations GHND SVX01C EN 29 Gas Input Rate Overfiring Never overfire the unit heater as this could cause unsatisfactory operation or shorten the life of the heater Check the gas input rate as follows 1 Turn off all gas appliances that utilize gas through the same gas meter as the unit heater Turn g
47. he following information to your local Parts center If further assistance is needed contact the manufacturer s customer service department Model number Serial Number e Part description and Number as shown in the Replacement Parts Catalog GHND SVX01C EN TRANE Maintenance 37 S TRANE Diagnostics Troubleshooting AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual 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 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 Defecti
48. ing systems MUST be used A Briedart Type L Field Starkap or an equivalent vent cap must be supplied by the customer for each power vented unit The vent pipe diameter MUST be as specified in Table 1 p 10 D Dia Flue Opening A reducer must be field installed for 100 through 175 MBh Unit Sizes All 300 through 400 MBh Unit sizes are factory equipped with the required flue increaser Refer to Figure 11 p 20 through Figure 15 p 22 for additional requirements The venting system for these appliances shall terminate at least four feet 1 2 m below four feet 1 2 m horizontal from or one foot 0 3 m above any door window or gravity air inlet into any building Through the wall vents for these appliances shall NOT terminate over public walkways or over an area where condensate or vapor could create a nuisance or hazard or could be detrimental to the operation of regulators relief valves or other equipment The vent pipe equivalent length must be five feet 1 5 m minimum and must not exceed 50 feet 15 2 m Equivalent length is the total length of straight sections PLUS 15 feet 4 6 m for each 90 degree elbow eight feet 2 4 m for each 45 degree elbow and 10 feet 3 0 m for the vent cap Maintain six inches 152 mm between vent pipe and combustible materials A minimum of 12 inches 305 mm of straight pipe is required from the venter outlet before installing an elbow in the vent system Never attach an elbow direct
49. intained for proper operation of the heater If the unit is equipped with a pressure regulator on the combination gas valve follow Step a through Step d above If the unit is not 30 so equipped the propane gas supply system pressure must be regulated to attain this manifold operating pressure 3 The adjusted manifold pressure should not vary more than 10 percent from the pressure specified in Table 6 p 30 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 10 wc 2 5 kPA Burner BTU a Pressure 3 5 wc 0 9 kPA Orifices 100 ft3 hr 96 40 4 Orifice Drill 42 54 125 ft3 hr 120 50 5 Orifice Drill 42 54 150 ft3 hr 140 60 6 Orifice Drill 42 54 175 ft3 hr 163 70 7 Orifice Drill 42 54 200 ft3 hr 186 80 8 Orifice Drill 42 54 225 ft3 hr 210 90 9 Orifice Drill 42 54 250 ft3 hr 233 100 10 Orifice Drill 42 54 300 ft3 hr 280 120 12 Orifice Drill 42 54 350 ft3 hr 326 140 14 Orifice Drill 42 54 400 ft3 hr 372 160 16 Orifice Drill 42 54 Note When installed in Canada any references to deration at altitudes in excess of 2000 feet 610 m are to be ignored At altitudes of 2000 to 4500 feet 610 to 1372 m the unit heaters must be orificed to 90 percent of the normal altitude rating and be so marked in accordance with the ETL certification a This schedule is
50. ions 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 496 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 6 p 11 10 GHND SVX01C EN TRANE Unit Dimensions and Weights Figure 6 Dimensions standard units STANDARD VERTICAL VENT POSITION DIA FLUE SIZE REQUIRED 2 HANGERS WITH FIELD INSTALLED AN INCREASER IS SUPPLIED BY 100 409 MBT ER 9 16 X 1 1 8 ALTERNATE HORIZONTAL THE MFR FUR 300 350 400 UNIT SIZES 4 x 99 THE REDUCER BE SUPPLIED BY SLOTTED MOUNTING HOLES RIGHT FOR 150 400 THE INSTALLER IF ONE IS REQUIRED LEFT FOR 100 400 D D H J K 1 La L 1 I i 1 MEL DISCHARGE A OPENING H ie ACCESS ACCESS ADJUSTABLE 100 200 HORIZONTAL 1 LDUVERS p DISCHARGE D3638C OPENING gt m G G SIDE VIEW SIDE VIEW FRUNT VIEV 100 THRU 200 MBTU HR UNIT SIZES 885 THRU 400 MBTU HR UNIT SIZES 100 THRU 400 MBTU HR UNIT SIZES CANADIAN UNITS INCLUDE VENT CAP AND REDUCER INCREASER IF REQ DIMENSIONS STANDARD UNITS DIMENSIONS IN PARENTHESIS OOO MILLIMETERS
51. izes 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 GHND SVX01C EN 35 Maintenance Installation Instructions for Field Replacement of Power Venter Motor Important This replacement must be performed only by a qualified technician Figure 24 Identification of parts Tools and Parts Needed Wire Stripper and Crimper Slotted Head and 2 Phillips Head Screwdriver 3 8 in Wrench 1 8 in Allen Wrench long handle marker 1 1 4 in push on terminal for Wire Notes 36 Remove the cover from the Relay Junction Box Item 1 by removing two screws Item 2 top and bottom Disconnect both wires from the motor lead ends One is connected to terminal 4 on the venter relay and the other is connected with a wire nut to a black wire Remove the sensing tube Item 3 from the Pressure Switch Mounting Bracket 3 at motor end only Separated Combustion Units Remove both tubes at motor end only note location Mark locations of the Relay Junction Box and Pressure Switch Mounting Brackets along with the Motor Item 10 mounts on the Mounting Adapter Plate Item 4 using a marker Remove nut Item 5 that secures the Motor Support Shipping Bracket Item 6 to the Mounting Adapter Note All hardware screws nuts
52. l 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 requirements Gas Type Natural Gas Propane LP Gas Single Stage Gas Piping Requirements Manifold Pressure 3 5 in 10 0 in wc 0 9 kPa 2 5 kPa Supply Inlet Pressure 14 0 in wc Max 14 0 in wc Max 3 5 kPa 3 5 kPa 5 0 in wc Min 11 0 in wc Min 1 2 kPa 2 7 kPa Two Stage Gas Piping Requirements b 11 5 in wc Min 2 9 kPa Supply Inlet Pressure 6 5 in wc Min 1 6 kPa a For single stage applications only at normal altitudes b For two stage applications only at normal altitudes Installation Venting Venting for Power Vented Category Ill Unit Heaters All unit heaters must be vented AWARNING Carbon Monoxide Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exists at all times A blocked venting system could result in carbon monoxide poisoning Symptoms of such condition include grogginess lethargy inappropriate tiredness or flu like symptoms Failure to follow these recommendations could result in death or serious injury AWARNING Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use a pipe of a diameter other than that specified in Table 1 p 10 To prevent pipe fr
53. lied 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 GHND SVX01C EN 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 atO wc 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 support 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 sh
54. lot orifice Clean with compressed air or solvent Do not ream 6 Extremely high or low gas 6 Refer to Operation p 27 pressure 7 Defective thermocouple 7 Check thermocouple connection and replace if defective 8 Drafts around unit 8 Eliminate drafts Refer to Installation Mechanical p 12 9 Pilot valve not opening faulty 9 Inspect and correct all wiring wiring 10 No spark faulty wiring 10 Inspect and correct ignition system wiring See symptoms U V and W 11 Defective gas valve 11 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 thermostat 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
55. ly to the venter see preceding warning Use single wall pipe constructed of 26 gauge galvanized steel or material of equivalent durability and corrosion GHND SVX01C EN TRANE Installation Piping resistance for the vent system For installation in Canada use pipe constructed from 0 025 inch thick aluminum or 0 018 inch thick stainless steel Any run of single wall vent pipe passing through an unheated space must be insulated with an insulation suitable to 550 The vent terminal must be installed with a minimum clearance of four feet 1 2 m from electric meters gas meters regulators and relief equipment Seal ALL vent pipe joints and seams to prevent leakage Use General Electric RTV 108 or Dow Corning RTV 732 silicone sealant or equivalent or 3M 425 aluminum foil tape or equivalent The vent system must be installed to prevent collection of condensate Vertical vent pipes should be equipped with condensate drains Pitch horizontal pipes downward 1 4 inch per foot 21 mm per m toward outlet for condensate drainage Horizontal portions of the venting system shall be supported at maximum intervals of four feet 1 2 m to prevent sagging in Canada support at three feet 1 m minimum intervals Insulate single wall vent pipe exposed to cold air or running through unheated areas AWARNING Carbon Monoxide Never operate unit heaters without combustion air and flue gas piping in place Each unit heater
56. ment Start Up p 32 e Use only the fuel for which the unit heater is designed see rating plate Using LP gas in a heater that requires natural gas or vice versa will create the risk of gas leaks carbon monoxide poisoning and explosion Important Do not attempt to 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 Make certain that the power source conforms to the electrical requirements of the heater field installed wiring must be completed by qualified personnel All field installed wiring must comply with NEC and applicable local codes Failure to follow this instruction could result in death or serious injuries Special attention must be given to any grounding information pertaining to this 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 grounding means must be tested by a qualified electrician 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 pote
57. meter 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 burner toward the manifold Slide the opposite end of the burner downward from the locating slot while retaining spring is still compressed Pull the burners away from the 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 a
58. mizes the performance of homes buildings around the world 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 GHND SVX01C EN 16 Mar 2012 We are committed to using environmentally Il d Supersedes GHND SVX01B EN 01 Mar 2010 conscious print practices that reduce waste ngerso Ran
59. mmendations could result in death or serious injury 27 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 b The indirect spark ignition system consists of an ignition control module a dual combination gas valve and a spark ignited pilot burner When the pressure switch closes the pilot valve opens and a spark is generated to light the pilot burner When the flame sensing circuit senses that pilot flame is established the main gas valve is opened to supply gas to the main burners When the thermostat is satisfied the vent system is de energized and both valves are closed to stop all flow of gas to the unit 2 Thelimitswitch interrupts the flow of electric current to the main gas valve in case the heater becomes overheated 3 The fan switch delays the operation of the fan until the heater is warmed then keeps the fan running after the gas has been turned off until the useful heat has been removed The start up fan delay must not exceed 90 seconds from a cold start 4 The wall thermostat supplied optionally is a temperature sensitive switch which operates the vent system and ignition system to control the temperature of the space being heated It must be mounted on a vibration free vertical surface away from air currents in accordance with the instructions furnished with the thermostat also r
60. ng construction and other equipment so asto 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 12 inches 305 mm from any combustible The distance between the flue collector and any combustible must be no less than 6 inches 152 mm Also see Air for Combustion p 13 and Venting for Power Vented Category Unit Heaters p 18 Note Increasing the clearance distances may be necessary if there is a possibility of distortion or discoloration of adjacent materials AWARNING Heavy Objects Make certain that the lifting methods used 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 13 Installation
61. ntially dangerous locations such as flammable explosive chemical laden or wet atmospheres Do not attach ductwork to this product or use it as a makeup air heater Such usage voids the warranty and will create unsafe operation e In cases in which property damage may result from malfunction of the heater a backup system or a temperature sensitive alarm should be used When connecting to existing gas lines be sure to valve off the gas supply ahead of connection point To avoid explosion or possible fire always purge all residual gas from piping before cutting into existing line or removing threaded fittings Failure to remove all gas vapors could result in death or serious injury or equipment or property only damage Unless otherwise specified the following conversions may be used for calculating SI unit measurements 1 foot 2 0 305 m 1 inch 25 4 mm 1 psig 6 894 kPa 1 pound z 0 453 kg 1 gallon 2 3 785 L 1 inch water column 0 249 kPa 1 meter second FPM 196 8 1 liter second x 0 472 1000 Btu per hour 0 293 kW 1000 Btu Cu Ft 375 MJ m3 1 cubic foot 0 028 m Identification of Parts Figure 2 Propeller parts 115 1 60 motor fan guard fan blade hardware Fan Blade Fan Guard Motor Hardware D4430 Figure3 Burner assembly parts He E RETAINING SHUTTERS RETAININ J ELECTRODE SENSING LEAD LOCATION PILOT PILOT BURNER TUBIN GH
62. ocedures In addition some states or municipalities may have additional requirements that 2012 Trane All rights reserved must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them AWARNING Proper Field Wiring and Grounding 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 When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations e If there is a risk of arc or flash technicians MUST put on all Personal Protective Equipment PPE in accordance with NFPA 70E or other country specific requirements
63. om melting and introducing exhaust fumes into the air supply never use PVC ABS or any other non metallic pipe for venting To prevent fan restriction an elbow should never be attached directly to the venter Failure to follow recommendations could result in death or serious injury or equipment damage All venting installations shall be in accordance with the latest edition of Part 7 venting of Equipment of the National Fuel Gas Code ANSI Z223 1 or applicable GHND SVX01C EN provisions of local building codes for natural or power vented units Power vented units are designed to be used with single wall vent pipe utilizing horizontal or vertical venting arrangements see Figure 16 p 23 through Figure 18 These arrangements may terminate external to the building using either a single wall or double wall vent See Figure 11 p 20 through Figure 18 p 23 for special installation requirements regarding these venting conditions AWARNING Risk of Carbon Monoxide Poisoning with Type B Vent Do not use a type B double wall vent internally within the building on power vented units Type B vent does not seal well under positive pressure and could result in exhaust fume leaks Failure to follow these recommendations could result in death or serious injury If double wall venting other than Type B see preceding warning is used components which are UL Listed and approved for Category IIl positive pressure vent
64. ow 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 AWARNING Toxic Hazard Install operate and maintain unit in accordance with manufacturer s instructions to avoid exposure to fuel substances or substances from incomplete combustion which could result in death or serious illness The state of California has determined that these substances may cause cancer birth defects or other reproductive harm Installer s Responsibility Installer Please Note This equipment has been test fired and inspected It has been shipped free from defects from our factory However during shipment and installation problems such as loose wires leaks or loose fasteners may occur It is the installer s responsibility to inspect and correct any problems that may be found Receiving Instructions Inspect shipment immediately when received to determine if any damage has occurred to the unit during shipment After the unit has been uncrated check for any visible damage to the unit If any damage is found the
65. peration 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 p 27 GHND SVX01C EN 2 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 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 does not 1 Loose S8600 connections 1 Check connections term MV feeds main valve energize 2 Cracked or broken sensor 2 Replace pilot assembly ceramic 3 Check sensor spark lead for 3 Replace if needed continuity 4 Measure 24 volts from term MVto 4 Ifpresent replace main valve if not replace S8600 Igniter term MV PV X Hi Limit switch tripping 1 Ve
66. pose SPDT 24 Vac relay and a standard thermostat with subbase or when using Honeywell T834H or T834 thermostats Also refer to Figure 19 p 24 for other wiring connections Figure 19 C1267G thermostat wiring diagram LOW VOLTAGE THERMOSTAT TO UNIT HEATER docs OTV BLACK 1 BLUE 7 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 thermostat manufacturer s instructions GHND SVX01C EN TRANE Installation Electrical Recommended Heat Anticipator Setting Ranges ft 7 6 T stat 50 ft 15 2 m T stat Wiring iring 0 85 to 0 90 A 0 30 to 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 supp
67. r use in California Do not alter these units in any way lf you have any questions after reading this manual contact the manufacturer Rear view See Identification of Parts p 8 for unit components General Safety Information This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts Important AWARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury installation must be made in accordance with local codes or in absence of local codes with the latest edition of ANSI Standard Z223 1 No 54 National Fuel Gas Code of the ANSI and NFPA Standards referred to in these installation instructions are those that were applicable at the time the design of this appliance was certified The ANSI Standards are available from the American National Standards Institute INC 11 West 42nd Street New York NY 10036 or www ansi org The NFPA Standards are available from the National Fire Protection Association Batterymarch Park Quincy MA 02269 These unit heaters are designed for use in airplane hangars when installed in accordance with current ANSI NFPA GHND SVX01C EN No 409 and in public garages when installed in accordance with current NFPA No 88A and NFPA No 88B If installed in Canada the installation must conform with local building codes or in absence o
68. re 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 p 27 see lighting instruction plate 8 Checkthe burner adjustment see Primary Air Shutter Adjustment p 30 9 Check all gas control valves and pipe connections for leaks 10 Check the operation of the automatic gas valve by lowering the setting of the thermostat stopping the operation 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 33 TRANE Maintenance 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 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 34 GHND SVX01C EN TRANE Maintenance Figure 23 Power venter assembly REDUCER TO S
69. 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 Refer to 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 GHND SVX01C EN 41 TRANE Wiring Diagrams Figure 25 High Efficiency Propeller Fan SNOlldO MO SYSHLO IMISOWM3HL Hv 8L JHL NISN N3HM 1d39X3 XIH139 10051001 NOI L 06250670 amp M3MRnlOVAnNVW Ag ON3931 oi q3193NNOO 38 9 S33IM 19151 SNV4 WAG O S34nga3ooNd dA LYVLS ONidid 5 9 19151 Hveslo 72 002 WNWININ S3YIM HOLIMS 1 342018 ANY H9IH ONILNSA SNOILONYLSNI NOLLWTIVLSNI OL 33438 syg WSL 0 72 GOL 15 31 1V 40 ONILVY JYNLVYAdWSL V ONIAVH SYOLONGNOD 39 09 JSN viM3lvW ONIMIM d3oviddN 38 LSAW 38 LSNW Q3 NnON9 38 LSAW
70. rheating 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 AWARNING Hazardous Gases and Flammable Vapors Exposure to hazardous gases from fuel substances have been shown to cause cancer birth defects or other reproductive harm Improper installation adjustment alteration service or use of this product could cause flammable mixtures To avoid hazardous gases and flammable vapors follow proper installation and set up of this product and all warnings as provided in this manual Failure to follow all instructions could result in death or serious injury GHND SVX01C EN 2 TRANE Warnings Cautions and Notices Trademarks Trane and the Trane logo are trademarks of Trane in the United States and other countries All trademarks referenced in this document are the trademarks of their respective owners Dow Corning is a registered trademark of Dow Corning Corporation S TRANE Introduction AWARNING Safety Alert You MUST foll
71. rtical run of flue is too short 1 Lengthen vertical run of flue pipe see Installation Venting p 18 2 Unit is overfiring 2 Burner orifice may be too large verify replace if required 3 Air flow too low 3 Increase air flow check fan size Check for proper voltage 4 Defective switch 4 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 Lack of power at unit 1 Replace fuse or turn on power 2 Loose wiring 2 Check and tighten all wiring connections per diagrams Thermostat wires tagged W and G must be connected together unless special thermostats are used if so see thermostat wiring diagram Electrical Connections p 24 3 Defective motor overload 3 Replace motor protector or defective motor 4 Defective power venter relay 4 Check for 24V across 1 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 Be sure relay terminals are connected per diagrams off while burner is operating improperly wired 2 Defective venter
72. 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 The limit switch interrupts the flow of electric current to the main gas valve if the unit heater becomes overheated The fan switch delays the operation of the fan is delayed for approximately 45 seconds once the thermostat is closed and continues 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 The wall thermostat supplied optionally is a temperature sensitive switch that operates the vent GHND SVX01C 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 AWARNING Hazard of Explosion Never use an open flame to detect gas leaks Explosive conditions may occur Use a leak test solution or other approved methods for leak testing Before attempting to light or relight the pilot wait 5 minutes to allow gas which may have
73. ve regulator 2 Replace regulator section of combination gas valve or complete valve 3 Burner orifice too large 3 Check with local gas supplier for proper orifice size and replace Refer to Operation p 27 B Flame pops back 1 Excessive primary air 1 Close air shutter Refer to Operation p 27 2 Burner orifice too small 2 Check with local gas supplier for proper orifice size and replace Refer to Operation p 27 C Noisy flame 1 Too much primary air Close air shutter 2 Noisy pilot 2 Reduce pilot gas Refer to Operation p 27 3 Irregular orifice causing whistleor 3 Replace orifice resonance 4 Excessive gas input 4 Reset manifold pressure Refer to Operation p 27 Replace regulator section of combination gas valve or complete valve or check with local gas supplier for proper orifice size and replace Refer to Operation p 27 D Yellow tip flame some yellow 1 Insufficient primary air 1 Open air shutters Refer to Operation p 27 tipping 04545 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 p 16 E Floating
74. voltage replace fan motor if defective 4 Motor not properly oiled 4 Refer to 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 4 Heater cycling on limit control 4 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 is delivered during heater 1 Incorrect manifold pressure or 1 Refer to Operation p 27 o
75. wer unit heaters Aircraft Hangers Unit 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 CSAB149 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
76. y 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 resultin NOTICE equipment or property damage only Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and those containing Hydrogen Chlorine Fluorine and Carbon HCFCs Not all refrigerants containing these compounds have the same potential impact to the environment Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment our customers and the air conditioning industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets forth the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service pr

Trane Gas Unit Heaters Installation and Maintenance Manual

Contents

Download Pdf Manuals

Related Search

Related Contents