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Trane Gas Unit Heaters Installation and Maintenance Manual

1. Figure 45 Unit sizes 150 400 Natural and propane Figure 46 Unit sizes 150 400 Optional two stage LP gas ignition PICTORIAL PICTORIAL S CONTROL PANEL 22 y ua 77 m CONTROL PANEL 75 m 77 1 UNE IN LINE IN i 115V AC 115V AC Heat HOT ACB Heat CMB 1 CMB 24v Hot i 1 124v Hot i SEE ALT ub WIRING SEE ALT HL WIRING LE 24v Gnd 3124v Gnd OH n 7 p e OR 11 SIRE 255 OR 6 OH 6 dE c o 316 Ww1lS SIW Ww1 lS sW 1 1 5 Pts WH s Pi 3 P1 SLB w2 n ore w2 zs TERMINAL i TERMINAL BLOCKS 1 BLOCKS IO TSTAT Ex sport TO T STAT Spark T i UT 1097 1 GNITION CONTROLLER B TO THERMOSTAT n 2 ER Mc ALT HL WIRING SUPPLIED BY OTHERS ALT HL WIRING wilel W 100 mm 250 MBH L
2. Building Adjacent overhang building Seal joint between single wall vent and double wall vent and the annular space of the double wall vent 1 Vent pipe diameter r Unit sizes 30 120 See Table 1 p 12 Approved 3 0 min Unit sizes 150 400 See Table 2 p 14 vent cap 0 9 m min see instructions I 12 min 305 mm min L 6 0 min To prevent in building material 9 m mini degradation from N IN flue gases MEM MR ES N N Flue dia I Pitch flue pipe down toward N outlet 1 4 per foot ES Flashin 21 mm m of run to allow 8 to 10 Wall 3 for condensate drainage L 3 feet 0 91 m plus maximum 203 to 254 mm snow depth for area above grade maximum Clearance to be as specified by vent manufacturer Figure 31 Allunit sizes Vertical arrangement single wall vent system to double wall termination 6 0 min 1 8 m min Adjacent building X Roof pitched n from 0 to 45 Approved vent cap see instructions 2 feet 0 609 m plus maximum snow depth for area vertical pip extension over 12 305 mm must be insulated Roof Flashing gt Sony Z gt Z 8 J 10 203 to 254 mm maximum Flue dia GTND SVX01B EN Clearance to be as specified by vent manufacturer Vent pipe diameter Unit sizes 30 120
3. High Limit Ass y 11 TRANE Unit Dimensions and Weights Table 1 Unit sizes 30 120 Performance and specification data Unit Size 30 45 60 75 90 105 120 PERFORMANCE DATA Input Btu h 30 000 45 000 60 000 75 000 90 000 105 000 120 000 kW 8 8 13 2 17 6 22 0 26 4 30 8 35 2 Output Btu h 24 900 37 350 49 800 61 500 73 800 86 100 98 400 kW 7 2 10 9 14 5 18 0 21 6 25 2 28 8 Thermal Efficiency 83 83 83 82 82 82 82 Free Air Delivery CFM cfm 370 550 740 920 1 100 1 300 1 475 m3 s 0 175 0 260 0 349 0 434 0 519 0 614 0 696 Air Temperature Rise F 60 60 60 60 60 60 60 C 15 15 15 15 15 15 15 Full Load Amps at 115V 3 0 3 0 4 1 4 1 6 4 6 4 6 4 Maximum Circuit Ampacity 3 5 3 5 4 8 4 8 7 5 7 5 7 5 MOTOR DATA Motor hp 1 20 1 20 1 12 1 12 1 10 1 10 1 10 kW 0 04 0 04 0 06 0 06 0 075 0 075 0 075 Type SP SP SP SP SP SP SP RPM 1650 1650 1050 1050 1050 1050 1050 Amps 115V 1 9 1 9 2 6 2 6 4 2 4 2 4 2 DIMENSIONAL DATA A Jacket Height in 12 3 8 12 3 8 15 7 8 15 7 8 22 5 8 22 5 8 22 5 8 mm 314 314 403 403 574 574 574 B Overall Height in 13 1 4 13 1 4 16 13 16 16 13 16 23 9 16 23 9 16 23 9 16 mm 337 337 427 427 598 598 598 C Overall Depth in 25 7 8 25 7 8 26 3 16 26 3 16 26 3 8 26 3 8 26 3 8 mm 632 632 665 665 670 670 670 Center Line Height of Flue in 8 1 2
4. 08604 50 GTND SVX01B EN Figure 43 Unit sizes 30 120 Natural amp propane LP gas with single stage gas control amp UT control board e TRANE Wiring Diagrams Figure 44 Unit sizes 60 120 Natural and propane LP gas with optional two stage gas control and UT control board PICTORIAL CONTROL PANEL LINE IN IC 115V Heat Cool CMB 124v Hot 1 59 24v Gnd OH IR P1 6 G O H 316 wi S cd P1 5 w210 IP1 3 S1P1 4 TERMINAL g BLOCKS TO TSTAT wal Bk 1 dij ere RD re e UT 1097 GNITION CONTRO LLER TO THERMOSTAT SUPPLIED BY OTHERS R ey 4 wi Ln 2 04 R Auto Far 1 ia pS mO 0 THERMOSTAT T834 THERMOSTAT LADDER 11 LINE IN 120V 1 60 L2 E Heat z ab ACB Cool i 0 i CMB Kay 9 M1 LT E2 VY tS 115V 24V 1 712 50 VA P1 6 R 124v Hot 2 vw ro RO P1 1 TO P1 2 ED THERMOSTAT wi 051 9 c S
5. STEEL CONSTRUCTION SNSNNSSSY BEAM CLAMP SSSSSSSSV STD BEAM ae N ROD SADDLE N 5 R5 1 2 amp NUT ft AN THREADED TIT ROD Z MALLEABLE MALLEABLE F1 SON BOE IRON BOLT cain THREADED PIPE a All hanging hardware and wood is not included with the unit to be field sup plied Figure 20 Unit sizes 150 400 Wood construction joists JOIST WASHER A amp it ul ul 2 X 6 LAG THREADED LAG BOLT N ROD amp WASHER BOLTED x ACROSS JOISTS TUBULAR UNIT HEATER D4804 Note See Table 2 p 14 for E dimension Nozzle Assembly Usethe following procedure for assembling the 30 60 or 90 degree nozzle assembly to your unit heater 1 Remove the louvers and the cone springs from the unit heater 2 Remove the four 4 screws from the upper section of the front of the unit heater and use these same screws GTND SVX01B EN THE UNIT HEATER REQUIRES 2 ADDITIONAL MOUNTING POINTS WHEN ANY NOZZLE IS USED S TRANE Installation Mechanical to temporarily attach the top bracket P N 252 07948 00X a Using the holes in the top bracket as a guide pre drill a 1 8 0 125 hole at each location across the front panel of the unit heater b Using the enclosed screws permanently attach the top bracket Remove the upper two 2 screws from the lower section on the front of th
6. Figure 33 Unit sizes 30 120 Concentric vent installation p o687t SINGLE WA VENT PIPE Figure 34 Unit sizes 30 120 Vertical intake vent installation 6 Feet 18M Min Vent Terminal i 1 8 1 2 24 e Deflector Disk Inlet Air Screen 2 1 2 EE 63 5MM i 20 508MM Min Size for Pi Flashing og expected snow depth 1 DOTES By Others V E io oe 1 yog E E 1 1 1 7 Concentric Vent i Concentric Vent Box I I a Fog Inlet Air Pipe RN Flue Pipe o mad 1 C21MM M Min Slope i Vi Rear View L 10 Ft Max 3 05 M Side View Not to Exceed 337 1 8607 Verticol Flue Height Figure 35 Unit sizes 30 120 Horizontal intake vent installation D 06878C 34 GTND SVX01B EN Figure 36 Unit sizes 30 120 Horizontal intake vent installation Building Overhang 3 0 Min 0 9M Min v Adjacent Building 6 0 Min 1 8M Min Vent Terminal D 3330 Air Inlet Collar Remove screen and mounting plate from air inlet on rear panel of unit by removing 4 screws Secure inlet collar and gasket to
7. Q fe R 100 THRU 250 MBH SE proc olo Lo ew ne e E qm R Auto Fon iz 300 THRU 400 MBH I fe w2 300 THRU 409 MBH wi G ler OT 1 6 amp Dui ipee e QS Or 96 1 6 we THERMOSTAT T834H THERMOSTAT prime THERMOSTAT pie LT LADDER LADDER LINE IN 120V 1 60 LINE IN 120V 1 60 L1 pL 1 L2 d ACB Heat ACB Heat 9 L1 i 3 ACB Cool 33 O i L Cool 02 i CMB CMB CIN e G 1 L1 L2 N Li 12 Tp 115V 24V n tS 115V 24V 10712 50 VA 172 50 VA P1 6 i or SEE ALT WIRING P1 6 OR SEE ETE WIRING 2724 Ho p gs 324v Hot ie nn 29 1 R THERMOSTAT iu 1 2 gt zh 05 at uw a DSI R Lou 1 5 rs 219 RW 1 5 re 95 P1 3 H 7 MV 1 5 mi THERMOSTA 1 4 P1 4 H o M FS rx sensor FS pg MH s sensor Spark T 4 Tontor 24v Gnd pe3 o Spark re ME ALTERNATE HIGH LIMIT WIRING STG 2 24v Gnd mH 100 thru 250 MBH ALTERNATE HIGH LIMIT WIRING pace as ru W2 ue V9c 1 100 thru 250 MBH ipe wa ak 1 6 m Hi 1 1 33 KEY UNIT 1 1 co Wh WH KEY UNIT BY MANUFACTURER 291 BY MANUFACTURER TUBULAR PROPELLER 300 thru 400 MBH 115V 1 60 WIRING TUBULAR PROPELLER S6 dar MBL 115V 1 60 WIRING UNIT HEATERS P1 6 8 1 UNIT HEATERS PI 6 24V WIRING O 1 1 _ 24 WIRING 100 400
8. 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 11 Troubleshooting guide Symptoms Possible Cause s Corrective Action A Flame pops back 1 Burner orifice incorrect 1 Check for proper orifice size Refer to All Unit Sizes Operation p 39 2 Low manifold pressure 2 Test and reset manifold pressure B Noisy flame 1 Irregular orifice causing whistleor 1 Replace orifice resonance 2 Excessive gas input 2 Test and reset manifold pressure C Yellow tip flame some yellow 1 Clogged burner s 1 Clean main burner ports Upping On propane gas ts 2 Misaligned orifice s 2 Align manifold assembly
9. LTO ATTACH BOTTOM BRACKET REMOVE TOP SCREW 2 PLACES AND INSTALL BOTTOM BRACKET USING SCREWS REMOVED THEN PRE ORILL HOLES 1 8 125 DIA USING THE HOLES IN THE BOTTOM BRACKET AS A GUIDE AND S BOTTOM PANEL THEN INSTALL THE REST OF THE SCREWS TO FINISH THE INSTALLATION BOTTOM BRACKET For 30 degree nozzle assemblies Go to Step 10 For 60 and 90 degree nozzle assemblies Using the enclosed 48 18 x 1 2 screws and with the top and bottom panels oriented such that the sides with the 19 e TRANE Installation Mechanical larger holes are facing the unit heater create a sub assembly by attaching the top panel P N 251 07942 00X and the bottom panel P N 251 07943 00X to the left side panel P N 251 07945 and to the right side panel P N 251 07947 Note Thetop and bottom panels must be attached so that the sides with the larger holes are facing the unit heater this makes the assembly easier RIGHT RER 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 x 1 2 screws attach the sub assembly created in Step 8to the 30 degree assembly installed to the unit in Step 1 through Step 6 of this procedure Attach the corresponding panels i e top panel to top panel right side panel to right side panel etc Note For 90 degree nozzle assemblies insta
10. 5 ft 1 52 m Min Approved Vent Terminal N 1 ft Min 305 oe Drain with 3 ft 091 m Min Trap if required by Above Highest Snowfall local authorities Ch Unit Sizes 30 120 Only Vertically Vented Unit Heaters Category Ill AWARNING Carbon Monoxide Never operate unit heaters without combustion air and flue gas piping in place Each unit heater 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 Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connection s on the gas unit heater 4 102 mm All heaters must be vented with a single or double wall pipe listed for positive pressure vent systems 2 Each unit must have an individual vent pipe and vent terminal Unit MUST NOT be connected to other vent systems or to a chimney 3 Category Ill units are limited to a maximum of 40 feet 12 19 m equivalent length of vent pipe Equivalent length is the total length of straight sections PLUS 5 feet 1 5 m for each 90 elbow and 2 5 feet 0 75 m for each 45 elb
11. Propane BTU a Pressure 3 5 wc 0 9 kPA Orifices 30 ft3 hr 28 12 1 Orifice Drill 38 52 45 ft3 hr 42 18 1 Orifice Drill 31 48 60 ft3 hr 56 24 1 Orifice Drill 27 43 75 ft3 hr 70 30 1 Orifice Drill 20 40 90 ft3 hr 84 36 1 Orifice Drill 16 36 105 ft3 hr 98 42 1 Orifice Drill 11 32 120 ft3 hr 112 48 1 Orifice Drill 6 3 1 150 ft3 hr 140 60 6 Orifice Drill 42 53 175 ft3 hr 163 70 7 Orifice Drill 42 53 200 ft3 hr 186 80 8 Orifice Drill 42 53 250 ft3 hr 233 100 10 Orifice Drill 42 53 300 ft3 hr 280 120 12 Orifice Drill 42 53 350 ft3 hr 326 140 14 Orifice Drill 42 53 400 ft3 hr 372 160 16 Orifice Drill 42 53 Note When installed in Canada any references to deration at altitudes in excess of 2000 feet 610 m are to be ignored At altitudes of 2000 to 4500 feet 610 to 1372 m the unit heaters must be orificed to 90 percent of the normal altitude rating and be so marked in accordance with the ETL certification a This schedule is for units operating at normal altitudes of 2000 feet 610 m or less SPECIAL ORIFICES ARE REQUIRED FOR INSTALLA TIONS ABOVE 2 000 FEET 610 m Tubular Unit Heater High Altitude Deration This tubular unit heater has been manufactured utilizing standard burner orifices and a normal manifold pressure setting as per the specifications shown on the unit rating plate see Table 4 p 23 Table 9 p 41 and Table 10 p 42
12. TRANE Installation Operation and Maintenance Gas Unit Heater Tubular Gas Fired Direct Spark Propeller Unit Heater ASAFETY 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 GTND SVX01B EN S 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 R
13. Vertically Vented Unit Heaters Category 1 AWARNING Carbon Monoxide Never operate unit heaters without combustion air and flue gas piping in place Each unit heater 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 AWARNING Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use a pipe of diameter other than that specified e Unit sizes 30 120 Use 4 120 mm flue pipe e Unit sizes 150 400 Refer to Table 2 p 14 To prevent pipe from melting and introducing exhaust fumes into the air supply never use PVC ABS or any other non metallic pipe for venting To prevent fan restriction an elbow should never be attached directly to the venter Failure to follow these recommendations could result in death or serious injury or equipment damage Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connections on the gas unit heater Unit sizes 30 120 Use 4 120 mm flue pipe Unit sizes 150 400 Refer to Table 2 p 14 All heaters must vented with UL Listed Type B vent or for unit sizes 30 120 single wall vent a factory bui
14. 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 listed previously Make certain that the power source conforms to the electrical requirements of the heater All field installed wiring must be completed by qualified personnel All field installed wiring must comply with NEC and applicable local codes Failure to follow this instruction could result in death or serious injuries Special attention must be given to any grounding information pertaining to this 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 potentially dangerous locations such as flammable explosive chemical laden or wet atmospheres Unless otherwise specified the following conversions may be used for calculating SI unit measuremen
15. amp LP HL wy HL2 100 400 NAT amp LP YL WH WH c iit P1 1 PV BYIOTHERS OR OPTIONSC ro re BY OTHERS OR OPTIONS 115V 1 60 WIRING UT 1097 LEGEND Bep s RING NE UT 1097 LEGEND BY OTHERS OR OPTIONS IGNITION CONTROLLER DS1 DRAFTER PRESSURE 24V WIRING IGNITION CONTROLLER DS1 DRAFTER PRESSURE TERMINAL BLOCK OR SWITCH TERMINAL BLOCK OR TWO STAGE SWITCH FIELD CONNECTION POINT HL HIGH LIMIT FIELD CONNECTION POINT HL HIGH LIMIT HL2 HIGH LIMIT 2 WIRE CROSSING DIAGRAM RECORD HL2 HIGH LIMIT 2 WIRE CROSSING DIAGRANC RECORD 300 400 MBH ONLY NO CONNECTION 300 400 MBH ONLY WIRE CONNECTION AUTOMATIC IGNITION TRANSFORMER WIRE CONNECTION AUTOMATIC IGNITION W E AS VANES o WIRE CONNECTION 115V 1 60 rM ioo MIRE CONNECTION THERMOSTAT FAN MOTOR COLOR KEY pea 2 FAN MOTOR COLOR KEY DRAFTOR NOTE BL BLUE OR ORANGE IF AN ONE is RD RED Ei YELLOW TF AN OPTIONAL COMPONENT IS Win Wie GR GREEN FILE J49 06900 NOT USED WTH RESPECT TO WH WHITE GR GREEN FILE J49 06920 THE COMPONENT TYPE A DIRECT BK BLACK DATE 08 9 2005 TYPE A DIRECT BK BLACK DATE 08 11 2005 y CONNECTION OR NO CONNECTION R J SONNECTION OR NO CONNECTION REV J SHOULD EXIST ev 52 GTND SVX01B EN ex TRANE Trane optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader
16. permissible D Floating flame 1 Blocked venting Clean flue Refer to Installation Piping p 21 2 Insufficient combustion air Clean combustion air inlet openings 3 Blocked heat exchanger 3 Clean heat exchanger Refer to Installation Mechanical p 16 4 Airleak into combustion chamber 4 Determine cause and repair accordingly flue collector or draft hood E Gas Odor 1 Shut off gas supply 1 Inspect all gas piping and repair immediately 2 Leaking gas test port on valve 2 Check to ensure gas test ports are seated 3 Blocked heat exchanger 3 Clean heat exchanger flue 4 Negative pressure in building 4 See Installation Piping p 21 5 Blocked flue collector and or draft 5 Clean flue collector and or draft hood hood F Delayed ignition 1 Improper ground 1 Check grounding wires and spark bracket connections 2 Bad or broken spark cable 2 Inspect spark cable connections and cuts 3 Faulty control 3 Check to ensure spark is energized after pre purge period 4 Manifold pressure set too low 4 Test and reset manifold pressure Refer to All Unit Sizes Operation p 39 5 Main burner orifice s dirty 5 Clean or replace orifice s 6 Improper venting 6 Refer to Installation Piping p 21 46 GTND SVX01B EN 2 TRANE Diagnostics Table 11 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action G Failure to ignite 1 Gas sup
17. 1 2 m below 4 feet 1 2 m horizontal from or 1 foot 0 3 m above any door window or gravity vent air inlet into the building Vent terminal Unit sizes 30 120 The vent terminal must be installed with a minimum horizontal clearance of 4 feet 1 2 m from electrical meters gas meters regulators and relief equipment Unit sizes 150 400 The vent terminal must be at least 3 feet 1 m above grade or in snow areas at least 3 feet above the snow line to prevent blockage by snow The vent terminal must be at least 12 inches 305 mm from the exterior of the wall that it passes through to prevent degradation of the building materials by flue gasses Unit sizes 150 400 The vent terminal must be installed with a minimum horizontal clearance of 4 feet 1 2 m from electric meters gas meters regulators and relief equipment Maintain clearance between the vent pipe and combustible materials according to vent pipe manufacturer s instructions Seal all vent pipe joints and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temperature rating of 500 F or 3M 425 aluminum foil tape or equivalent The vent system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21 mm per meter toward the outlet for condensate drainage Unit sizes 30 120 Install a tee with a condensate drain atthe low point ofthe pipe s
18. 102 mm m mm 762 mm mm Gas Connection 2 2 mm 1 P T Natural amp Propane 6 Access Panel d oc ical Front Vi 8 Electrical i i ront View Rear View 203 mm Connection Side View GTND SVX01B EN 13 ez TRANE Unit Dimensions and Weights Table2 Unit sizes 150 400 Performance and specification data Unit Size 150 175 200 250 300 350 400 PERFORMANCE DATA Input Btu h 150 000 175 000 200 000 250 000 300 000 350 000 400 000 kW 43 9 51 2 58 6 73 2 87 8 102 5 117 1 Output Btu h 124 500 145 250 166 000 207 500 249 000 290 500 332 000 kW 36 4 42 5 48 6 60 7 72 9 85 1 97 2 Thermal Efficiency 96 83 83 83 83 83 83 83 Free Air Delivery CFM cfm 2 400 2 850 3 200 3 450 5 000 5 600 5 800 m3 s 1 133 1 346 1 511 1 629 2 361 2 644 2 738 Air Temperature Rise ME 47 46 47 54 45 47 51 C 26 26 26 30 24 26 28 Full Load Amps at 115V 5 8 8 0 8 0 8 0 11 3 13 5 13 5 MOTOR DATA Motor hp 1 4 1 3 1 3 1 3 1 4 2 1 3 2 1 3 2 kW 0 19 0 25 0 25 0 25 0 19 0 25 0 25 Type PSC PSC PSC PSC PSC PSC PSC RPM 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps 115V 4 7 5 8 5 8 5 8 9 4 11 6 11 6 DIMENSIONAL DATA A Overall Height to Top of Flue in 33 3 4 33 3 4 33 3 4 33 3 4 34 34 34 mm 857 857 857 857 864 864 864 B Jacket Width of Unit in 20 3 4 32 3 4 32 3 4 32 3 4 50 3 4 50 3 4 50 3 4 mm 527 831 831 831 1289 1
19. 2095 TERMINAL BLOCKS TO T STAT fe Spark esr UT 109 GNITION CONT rj ROLLER TO THERMOSTAT SUPPLIED BY OTHERS o R diis og G THERMO TAT LADDER EP LINE IN 120V 1 60 m L2 ACB Heat 0 e ad LACB Cool MA i LA te M1 G LI 12 KS 1 RJ 115V 24V 1712 50 VA P1 6 m aL RO RD 24v Hot P1 1 oro oro P1 2 po RO 1 5 t w m P1 3 mM v P1 4 cay EK M C FS mM rm Spark Ss 24v Gnd wH 4 amp STG 2 Cm uie Veg 1 LEGEND KEY UNIT E BY MANUFACTURER 051 DRAFTER PRESSURE DET XE TUBULAR PROPELLER UNIT HEATERS L Sieh BY MANUFACTURER 24V WIRING 60 120 NAT amp LP 1 TRANSFORMER BY OTHERS OR OPTIONS 115V 1 60 WIRING UT 1097 DRAFTER MOTOR BY OTHERS OR OPTIONS M2 FAN MOTOR 24V WIRING IGNITION CONTROLLER RO ROLLOUT SWITCH TERMINAL BLOCK OR TWO STAGE FIELD CONNECTION POINT WIRE CROSSING DIAGRAM RECORD NO GONNEETION AUTOMATIC IGNITION 4 WIRE CONNECTION o WIRE CONNECTION 115V 1 60 THERMOS
20. All unit deration must be done through field adjustments by a qualified technician see Table 10 p 42 Once the proper adjustments are made in the field attach label J17 06459 to the unit and record adjusted manifold pressure altitude of the unit installation and the technician s name and date on the label using a permanent marker 41 Table 10 All unit sizes Tubular unit heater high altitude manifold pressure Natural Gas Propane LP Gas Manifold Manifold Pressure Pressure in wc in wc ft Btu ft3 30 120 150 400 Btu 3 30 120 150 400 2 000 948 3 5 3 5 2 278 10 0 8 6 2 500 931 3 5 3 5 2 237 10 0 8 5 3 000 914 3 5 3 3 2 196 10 0 8 4 3 500 897 3 4 3 2 2 156 10 0 8 4 4 000 881 3 4 3 2 2 116 10 0 8 3 4 500 865 3 4 3 2 2 077 9 9 8 2 5 000 849 3 3 3 1 2 039 9 7 8 1 5 500 833 3 3 3 1 2 000 9 6 8 0 6 000 818 3 2 3 0 1 964 9 5 7 9 6 500 802 3 2 3 0 1 927 9 3 7 7 7 000 787 3 1 2 9 1 891 9 2 7 6 7 500 771 3 1 2 9 1 853 9 0 7 5 8 000 756 3 1 2 8 1 817 8 9 7 4 8 500 741 3 0 2 8 1 781 8 7 7 2 9 000 726 2 9 2 7 1 745 8 5 7 1 9 500 711 2 9 2 7 1 709 8 3 6 9 10 000 696 2 8 2 6 1 673 8 1 6 8 a Consult local utility for actual heating value Table based on heating val ue of 1 050 Btu ft3 at sea level 42 GTND SVX01B EN Start Up Gas Equipment Start Up Customer Job Name amp Number Pre Inspe
21. Stage Intermittent Pilot Ignition Two Stage Intermittent Pilot Ignition H Electronic Modulating with Room T Stat Intermittent Pilot Ignition J Electronic Modulating with Duct Stat Intermittent Pilot Ignition L Electronic Modulating with External 4 20 mA Input N Electronic Modulating with External 0 10 Vdc Input T Single Stage Direct Spark Ignition V Two Stage Direct Spark Ignition Digit 10 Design Sequence G Seventh Design Digit 11 Heat Exchanger Material 1 Aluminized Steel 2 409 Stainless 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 B Orifices For Elevation Above 2000 Feet Specify Elevation Totally Enclosed Motor J 7 OSHA Fan Guard GTND SVX01B EN e TRANE DUCTWORK The designs are certified by ETL as providing aminimum of80 percentthermal efficiency and approved for use in California Do not alter these units in any way If you have any questions after reading this manual contact the manufacturer General Information Description The Tubular Gas Fired Unit Heater is a factory assembled power vented low static pressure type propeller fan unit heater designed to be suspended withi
22. 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 For installations in Canada any reference to deration at altitudes in excess of 2 000 ft 610 m are to be ignored At altitudes of 2 000 ft to 4 500 ft 610 m to 1372 m the unit must be derated to 9096 of the normal altitude rating and be so marked in accordance with the ETL certification b Flue collar is factory supplied with unit to be field installed per included instructions 14 GTND SVX01B EN Figure 14 Unit sizes 150 400 Dimensions standard units S TRANE Unit Dimensions and Weights 1 3 8 35 E gt RI 32 1 2 L Hanging Hanging 11 5 8 826 Flue G 295 B Hanging h r3 o id 1 1 M H H Discharge o Opening 33 Electrical Control Panel Gas Valve F 1 25 DS Discharge Opening Rear View Side View Front View GTND SVX01B EN 15 TRANE Installation Mechanical NOTICE Equipment Damage Do not install unit heaters in corrosive or flamma
23. between motor leads and check amp draw motor of motor Replace if needed 3 Defective control board 3 Check for continuous 115V on terminal CBM Blower and neutral during call for heat If not present and all checks are normal replace U Power venter motor turns on and 1 Power venter improperly wired 1 Check power venter circuit per wiring diagram off while burner is operating 2 Motor overload cycling or 2 Check motor amps against motor name plate rating check defective motor voltage replace motor if defective 3 Defective control board 3 Checkfor continuous 115V onterminal CMB Blower during call for heat replace board if found defective V Power venter motor will not stop 1 Power venter improperly wired 1 Check power venter circuit per wiring diagram 2 Main burner not lighting while 2 Heater is in lockout mode check flash code table for thermostat calls for heat problem 3 Defective control board 3 No flash codes present along with no call for heat replace control board 4 Loss of pressure Pressure switch 4 Check venting for blockage Check tubing for blockage or not made hole Check spud for blockage 48 GTND SVX01B EN e TRANE Diagnostics AWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who
24. has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 1 Check the system thermostat to make sure it is calling for heat Do not cycle the thermostat on and off at this time 2 Remove the access panel Do not interrupt power to the control board by opening any electrically interlocked panels 3 Observe the LED indicator on the control board a green LED labeled OK indicates system faults check and repair system as noted in the chart to the right Note Air flow proving switch and power venter hose barbs must be free of any dust or debris at all times Periodically check these openings and or if any problems occur GTND SVX01B EN Table 23 All unit sizes Troubleshooting with LED Indicator Assistance for UT Control Board LED Status Indicates Check Repair Slow Flash Control OK no call Not Applicable for heat Fast Flash Control OK call Not Applicable for heat present Steady Off Internal control Line voltage on terminals fault or no power 120 and C on transformer Low voltage 24V on terminals 24 and C on transformer 5 Amp fuse on circuit board Steady On Control internal Common side of failure or bad transformer grounded to ground chassis Loose spark ignitor 2 Flashes In lockout from Gas suppl
25. 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 GTND SVX01B EN 16 Mar 2012 We are committed to using environmentally IR Il d Supersedes GTND SVX01A EN 01 Mar 2010 conscious print practices that reduce waste ngerso Ran
26. 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 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 GTND SVX01B EN 2 TRANE Warnings Cautions and Notices Trademarks Trane and the Trane logo are trademarks of Trane in the United States and other countries S TRANE Introduction AWARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury For Your Safety The use and storage of gaso
27. replace if undersized P Too much heat 1 Unit is over fired 1 Refer to All Unit Sizes Operation p 39 Check orifice size if too big replace 2 Thermostat malfunction 2 Check thermostat for operation to ensure circuit opens and closes 3 Heater runs continuously 3 Check wiring per diagrams check operation at gas valve Look for short such as staples piercing thermostat wiring in thermostat circuit and correct Q Blown fuse 1 Electrical short 1 Refer to wiring diagram 2 Improper ground 2 Check grounding wires 3 Defective gas valve 3 Replace R Cold airis delivered during heater 1 Incorrect manifold pressure or 1 Refer All Unit Sizes Operation p 39 operation input S Hi Limit switch tripping 1 Unit is overfiring 1 Burner orifice s may be too large verify replace if required 2 Air flow too low 2 Check for proper voltage Ensure fan blade is correctly positioned 1 3 inside venturi 3 Defective switch 3 Check operation of switch Did the switch open when unit is running or is the switch open during start up 4 Defective control board 4 Check for 24V on line side of the high limit Constant voltage should be recorded if not control board is suspect Check flash code T Power venter will not run 1l Loose wiring or connections 1 Check all wiring in the power vent circuit to ensure good connection including Neutral 2 Motor overload is tripped or bad 2 Check for 115V
28. 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 plug on the inlet side of the combination control and connect a manometer to that tapping e Unit sizes 30 120 The plug is 3 32 hex head 44 e Unit sizes 150 400 The plug is a 1 8 inch pipe plug Turn the manual valve on to apply pressure to the combination control Note the pressure reading on the manometer then turn the valve off A loss of pressure indicates a leak If a leak is detected use a soap solution to check all threaded connections If no leak is found combination control is faulty and must be replaced before putting appliance back in service Should maintenance be required perform the followin
29. system or the electrical conduit for support Failure to follow recommendations could result in death or serious injury NOTICE Equipment Damage Unit heaters must be hung level from side to side and from front to back e Unit sizes 30 120 Refer to Figure 15 p 18 through Figure 17 p 18 e Unit sizes 150 400 Refer to Figure 18 p 19 through Figure 20 p 19 Failure to do so will result in poor performance and or premature failure of the unit 17 e TRANE Installation Mechanical AWARNING Heavy Objects Ensure that all hardware used in the suspension of each unit heater is capable of supporting the unit weight Failure to do so could result in unit falling off its mounting location which could result in death or serious injury Unit sizes 30 120 only The unit heater may be mounted with the vent outlet gas and electrical connections to the right or left of the air moving fan The unit heater is shipped with the connections to the right of the fan when looking in the direction of the air flow If connections to the right are required remove hanger brackets from face of unit and attach as pictured in Figure 15 p 18 If connections to the left are required invert the heater 180 mount the hanging brackets as above and remove invert and replace the control access panel and the air discharge louvers The unit heater may be mounted by fastening the hanging brackets directly
30. through Figure 39 p 38 and Figure 42 p 50 e Unitsizes 30 120 Also referto Figure 43 51through Figure 44 p 51 e Unit sizes 150 400 Also refer to Figure 45 p 52 and Figure 46 p 52 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 Hot areas Areas where the sun s rays radiation or warm air currents may affect control operation 3 Dead areas Areas where air cannot circulate freely such as behind doors or in corners Figure 37 All unit sizes Low voltage thermostat wiring Single stage Low voltage Single Stage Thermostat RG W R o 9 04788 37 e TRANE Installation Electrical Figure 38 All unit sizes Low voltage thermostat wiring Two stage Low Voltage Two Stage Thermostat D8541 Figure 39 All unit sizes T834H or T843N Thermo
31. wall pipe listed for Category Ill positive pressure vent systems Unit sizes 30 120 Double wall pipe can be used with limitations as shown in Figure X Asillustrated a single 5 foot 1 52 m section of double wall vent pipe with a draft hood connector may be used between the appliance vent connection and the vent terminal Each unit must have an individual vent pipe and vent terminal Unit MUST NOT be connected to other vent systems or to a chimney The maximum equivalent length of vent pipe must not be exceeded Unit sizes 30 120 Category Ill units are limited to a maximum of 40 feet 12 19 m equivalent length of vent pipe equivalent length is the total length of straight sections PLUS 5 feet 1 5 m for each 90 elbow and 2 5 feet 0 75 m for each 45 elbow Unitsizes 150 400 The vent pipe equivalent length 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 elbow and 8 feet 2 44 m for each 45 elbow Seal all vent pipe joins and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temperature rating of 500 F see Figure 25 p 28 Attach the draft hood connector to the appliance vent connection with screws 3 minimum and seal the joint with silicone sealant Install a vent thimble in the wall Insert the vent pipe through the thimble and attach it to the adapter on the appliance
32. 01B EN 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 trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury AWARNING Hazardous Voltage and Gas Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury AWARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Im
33. 1 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 102 651 447 362 309 275 249 229 212 204 190 170 156 142 130 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 NATU
34. 2 34 41 43 50 52 54 a Ratings shown are for unit installations at elevations between 0 and 2000 ft 610 m For unit installations in USA above 2000 ft 610 m the unit input must be derated 4 for each 1000 ft 305 m above sea level refer to local codes or in absence of local codes refer to the latest edition of the National Gas Code ANSI Standard Z223 1 N F P A No 54 Also refer to Table 10 p 42 For installations in Canada any reference to deration at altitudes in excess of 2000 ft 610 m are to be ignored At altitudes of 2000 to 4500 ft 610 to 1372 m the unit must be derated to 9096 of the normal altitude rating and be so marked in accordance with the ETL certification b For all installations the flue collar is included with the unit and should be field installed per the instructions included with the unit 4 5 reducer supplied where required 12 GTND SVX01B EN S TRANE Unit Dimensions and Weights Figure 13 Unit sizes 30 120 Dimensions standard units 27 5 16 694 mm Maximum Hanger Spacing 1 24 610 mm Hanger Spacing 16 406 mm Hanger Spacing D8597 Top View G Vent Connections Adjustable Fan H2 Louvers e e T ane F gy a OPE Di m D2 eL e 2 1 2 Lo 19 3 4 30 656 mm 502 mm 19 mm
35. 289 1289 C Width to Centerline Flue in 13 3 8 19 3 8 19 3 8 19 3 8 28 3 8 28 3 8 28 3 8 mm 340 492 492 492 721 721 721 Depth to Rear of Housing in 11 11 11 11 12 1 4 12 1 4 12 1 4 mm 279 279 279 279 311 311 311 E Hanging Distance Width in 18 5 8 30 5 8 30 5 8 30 5 8 48 5 8 48 5 8 48 5 8 mm 473 778 778 778 1235 1235 1235 F Discharge Opening Width in 18 3 4 30 3 4 30 3 4 30 3 4 48 3 4 48 3 4 48 3 4 mm 476 781 781 781 1238 1238 1238 G Depth to Centerline Flue in 4 3 4 4 3 4 4 3 4 4 3 4 5 1 8 5 1 8 5 1 8 mm 121 121 121 121 130 130 130 Discharge Opening Height in 24 1 2 24 1 2 24 1 2 24 1 2 24 1 2 24 1 2 24 1 2 mm 622 622 622 622 622 622 622 L Overall Unit Width in 25 1 4 37 1 4 37 1 4 37 1 4 55 1 4 55 1 4 55 1 4 mm 641 946 946 946 1403 1403 1403 Flue Size Diameter 5 in 5 5 5 5 6 6 6 mm 127 127 127 127 152 152 152 Fan Diameter in Qty 16 18 18 18 16 2 18 2 18 2 Gas Inlet Natural Gas in 1 2 1 2 1 2 3 4 3 4 3 4 3 4 Gas Inlet LP Gas in 1 2 1 2 1 2 1 2 or 3 4 Approx Unit Weight b 155 191 201 211 307 321 335 kg 70 87 91 96 139 145 152 Approx Ship Weight b 195 241 251 261 367 381 395 kg 88 109 114 118 166 173 179 a Ratings shown are for unit installations at elevations between 0 and 2000 ft 610 m For unit installations in USA above 2000 ft 610 m the unit input must
36. 8 1 2 10 3 8 10 3 8 13 5 8 13 5 8 13 5 8 mm 216 216 263 263 346 346 346 D2 Center Line Height of Air Intake in 8 1 2 8 1 2 8 8 8 5 8 8 5 8 8 5 8 mm 216 216 203 203 219 219 219 E Fan Diameter in 10 10 14 14 16 16 16 mm 254 254 356 356 406 406 406 F Discharge Opening Height in 10 13 16 10 13 16 14 7716 14 7716 21 3716 21 3716 21 3716 275 275 367 367 538 538 538 Vent Connection Diameter in 4 4 4 4 4 4 4 mm 102 102 102 102 102 102 102 H1 Center Line of Flue Connection From Side in 7 1 4 7 1 4 7 1 4 7 1 4 7 3 4 7 3 4 7 3 4 mm 184 184 184 184 197 197 197 H2 Center Line of Air Intake From Side in 2 3 4 2 3 4 2 3 4 2 3 4 3 1 2 3 1 2 3 1 2 mm 70 70 70 70 89 89 89 Vent Size Requirements Standard Combustion Category Horizontal O in 4 4 4 5 5 5 5 mm 102 102 102 127 127 127 127 Category 111 Horizontal in 4 4 4 4 4 4 4 mm 102 102 102 102 102 102 102 Category amp III Vertical in 4 4 4 4 4 4 4 mm 102 102 102 102 102 102 102 Vent Size Requirements Separated Combustion Exhaust Diameter in 4 4 4 4 5 5 5 mm 102 102 102 102 127 127 127 Intake Air Diameter in 4 4 4 4 5 5 5 mm 102 102 102 102 127 127 127 Unit Weight Ib 60 65 80 85 95 105 110 kg 27 29 36 39 43 48 50 Shipping Weight Ib 70 75 90 95 110 115 120 kg 3
37. RAL GAS Select the pipe size directly from the table FOR PROPANE GAS Multiply the ft3 h m3 h value by 0 633 then use the table Refer to the metric conversion factors listed in General Safety Information p 7 for more SI unit measurements conversions 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 23 A field LP tank regulator must be used to limit the supply pressure to maximum of 14 in wc 3 5 kPa All piping should be sized in accordance with the latest edition of ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CSA B149 Unit sizes 150 400 Unit sizes 150 400 must also be connected to a manifold pressure If gas pressure is excessive on natural gas applications install a pressure regulating valve in the line upstream from the main shutoff valve For correct gas supply piping size refer to the tables Unit sizes 30 120 Refer to Table 1 p 12 Unit sizes 150 400 Refer to Table 2 p 14 e All unit sizes Refer to Table 3 p 22 Table 4 p 23 Table 9 p 41 and Table 10 p 42 22 If gas pressure is excessive on natural gas applications install a pressure regulating valve in the line upstream from the main shutoff valve AWARNING Hazard of Explosion Adequately support the pip
38. Seal the joint with silicone sealant or two wraps of aluminum foil tape Install a vent cap on the outlet pipe and secure with screws 3 minimum Unit sizes 30 120 If using a single section of double wall vent pipe seal the annular space between the inner and outer sections of the draft hood connector with a high temperature silicone sealant A vent cap must be supplied by the customer for each power vented unit Unit sizes 30 120 Use an Amerivent Americap or Metalbestos vent cap The vent pipe diameter must be 4 Unit sizes 150 400 Use a Breidert L Fields Starkap or equivalent vent cap The the vent pipe diameter must be as specified in Table 2 p 14 These unit sizes are factory equipped with the required flue size collar attach in place if not mounted to outlet refer to included vent collar instruction sheet for additional requirements Through the wall venting for these appliances shall not terminate over public walkways or over an area where the condensate or vapor could create a nuisance GTND SVX01B EN 10 11 12 13 14 e TRANE Installation Piping hazard or could be detrimental to the operation of regulators relief valves or other equipment e Unit sizes 30 120 Refer to Figure 23 p 28 e Unit sizes 150 400 Refer to Figure 26 p 28 e Allunitsizes Refer to Figure 28 p 30 Figure 30 p 31 The venting system for these appliances shall terminate at least 4 feet
39. See Table 1 p 12 sizes 150 400 See Table 2 p 14 Seal joint between single wall vent and B vent and the annular space of the B vent 31 e TRANE Installation Piping Separated Combustion Unit Sizes 30 120 Only Category Ill Combustion Air Venting and Piping AWARNING Carbon Monoxide Never operate unit heaters without combustion air and flue gas piping in place Each unit heater 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 heed these warnings could result in death or serious injury AWARNING Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use pipe other than diameter stated in Table 1 p 12 To prevent pipe from melting and introducing exhaust fumes into the air supply never use PVC ABS or any other non metallic pipe for venting To prevent fan restriction an elbow should never be attached directly to the venter Failure to follow recommendations could result in death or serious injury or equipment damage 1 N e A The combustion air system installation must be in accordance with the current edition of the National Fuel Gas Code NFPA 54 or ANSI Z223 1 National Fuel Gas Code In Canada installation must be
40. TAT NOTE COLOR KEY DRAFTOR IF AN OPTIONAL COMPONENT IS E NOT USED WITH RESPECT TO Bb BLUE OR Z th THE COMPONENT TYPE A S GR GREEN FILE J49 08380 DIRECT CONNECTION OR No WH WHITE DATE 12 20 2007 CONNECTION SHOULD Exist BK BLACK 57D ev Note Refer to Figure 37 p 37 through Figure 39 p 38 Figure 43 p 51 and Figure 44 p 51 for connecting the thermostat to the unit heater If using a standard low voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater GTND SVX01B EN Note Refer to Figure 37 p 37 through Figure 39 p 38 Figure 43 p 51 and Figure 44 p 51 for connecting the thermostat to the unit heater If using a standard ow voltage thermostat with a sub base switch for fan control connect the G terminal of the thermostat to the G terminal of the unit heater 51 e TRANE Wiring Diagrams
41. actory No field adjustments are necessary 40 motor shuts off and the burner s should extinguish Resetthe thermostatto the desired operational setting Note For more information refer to Gas Input Rate p 40 and Gas Pressure Adjustments p 40 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 refer to General Safety Information p 7 for metric conversions 1 Turn off all gas appliances that utilize gas the same meter as the unit heater Turn gas 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 ft and the time ft 48 s ft then Input Rate 1000 BTU ft3 3600 s hr 48 s ft Input Rate Input Rate 75 000 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 adjust the gas pressure e Unit sizes 30 120 Refer to Table 1 p 12 e Unit sizes 150 400 Refer to Table 2 p 14 Gas Pressure Adjustments Adjust the gas pressure as follows 1 NATURAL GAS Best results are obtained when the heater is operat
42. afe 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 Clearances Each gas unit heater shall be located with respect to building construction and other equipment so asto permit access to the Unit Heater Unit sizes 30 120 Clearance between vertical walls and the vertical sides of the unit heater shall be no less than 1 inch 25 4 mm However to ensure access to the control box and fan a minimum of 18 inches 457 mm is required for the fan and control box side A minimum clearance of 1 inch 25 4 mm must be maintained between the top of GTND SVX01B EN S TRANE Installation Mechanical the Unit Heater and the ceiling The bottom of the Unit Heater must be no less than 1 inch 25 4 mm from any combustible The distance between the flue collector and any combustible must be no less than 1 inch 25 4 mm Unit
43. be made and leak tested by a suitably qualified individual per instructions in this manual Also follow procedures listed in Gas Equipment Start Up p 43 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 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 In cases in which property damage may result from malfunction of the heater a backup system or a temperature sensitive alarm should be used Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the heater before shutting off the electrical supply The open end of piping systems being purged must not discharge into areas where there are sources of ignition or into confined spaces UNLESS precautions are taken as follows 1 by ventilation of the space 2 control of purging rate 3 elimination of all hazardous conditions All precautions must be taken to perform this operation in a safe manner When connecting to existing gas lines be sure to valve off the gas supply ahead of connection point To avoid explosion or possible fire
44. ble 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 Additional Requirement for Canadian Installations Refer to specification table and installation manual for proper usage The following instructions apply to Canadian installations in addition to installation and operating instructions 1 Installation must conform with local building codes or in the 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 reference to U S standards or codes in these instructions are to be ignored and the applicable Canadian standards or codes applied Note Location of unit heaters is related directly to the selection of sizes Basic rules are as follows Mounting Height Mounting height varies by unit size Unit sizes 30 120 If the unit heater is installed in a garage it mu
45. ction 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 Do you understand 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 CJ Tighten all electrical terminals and connections O Burner ignition O Check damper linkages for tightness Manifold gas pressure in wcor kPa O Check all fans and blowers for free movement O Cycle firestat and or freezestat O Check all controls for proper settings O Check electronic modulation Set at CJ Cycle and check all other controls not listed Check operation of remote panel O Entering airtemp For O Discharg
46. d Vent Terminal Use Insulated Stack Outdoors g Roof Unit sizes 30 120 1 25 4 mm minimum distance from pipe to ceiling Unit sizes 150 400 6 152 mm minimum distance from pipe to ceiling AWARNING Risk of Carbon Monoxide Poisoning with Type B Vent Unit sizes 150 400 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 Unit sizes 150 400 If double wall venting other than Type B see preceding warning is used components which are UL Listed and approved for Category III positive pressure venting systems MUST be used Table 7 All unit sizes Vent systems termination clearance requirements Minimum for Structure Termination Locations 4 feet below Door window or any gravity vent inlet 4 feet horizontally 1 foot above 3 feet above 6 feet Forced air inlet within 10 feet Adjoining building or parapet Adjacent public walkways 7 feet above grade Observe the following precautions when venting the unit 1 Use flue pipe of the same size as the flue connection s on the gas unit heater GTND SVX01B EN e Unit sizes 30 120 Use 4 120 mm flue pipe e Unit sizes 150 400 Refer to Table 2 p 14 All heaters must be vented with a single or double
47. d in these service procedures In addition some states or municipalities may have additional requirements that 2012 Trane All rights reserved must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them 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 e When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations e If there is a risk of arc or flash technicians MUST put on all Personal Protective Equipment PPE in accordance with NFPA 70E or other country s
48. de ANSI 2223 1 The unit heater shall be connected a factory built chimney or vent complying with a recognized standard or a masonry or concrete chimney lined with a lining material acceptable to the authority having jurisdiction Venting into an unlined masonry chimney is prohibited The following guidelines apply to all categories to follow Table 6 Unit sizes 30 120 Vent systems termination clearance requirements Minimum for Structure Termination Locations 4 feet below Door window or any gravity vent inlet 4 feet horizontally 1 foot above Forced air inlet within 10 feet 3 feet above Adjoining building or parapet 6 feet Adjacent public walkways 7 feet above grade Electric gas meters amp regulators 4 feet horizontal Do not damper or add heat recovery devices to the flue piping Failure to open such a damper prior to operating the gas unit heater will result in the spillage of flue gas into the occupied space Avoid installing units in areas under negative pressure When required a flue vent fan should be installed in accordance with the instructions included with the fan Vent connectors serving Category and Category Il heaters shall not be connected into any portion of mechanical draft systems operating under positive vent pressure Maintain 1 inch 25 4 mm clearance between the vent pipe and combustible materials GTND SVX01B EN Standard Combustion All Unit Sizes
49. e 1 5 BL R re C NO P1 3 rg WH MV P1 4 H FS WH Sensor Spark Ss 24v Gnd LEGEND KEY UNIT 051 DRAFTER PRESSURE SWITCH HL HIGH LIMIT 1 TRANSFORMER MV GAS VALVE M1 DRAFTER MOTOR M2 FAN MOTOR RO ROLLOUT SWITCH BY MANUFACTURER BY MANUFACTURER BY OTHERS OPTIONS M BY OTHERS OR OPTIONS 115V 1 60 WIRING 24V WIRING 115V 1 60 WIRING 24V WIRING TERMINAL BLOCK OR FIELD CONNECTION POINT TUBULAR PROPELLER UNIT HEATERS 30 120 NAT amp LP UT 1097 IGNITION CONTROLLER WIRE CROSSING DIAGRAM RECORD NO CONNECTION 4 WIRE CONNECTION AUTOMATIC IGNITION o WIRE CONNECTION 115v 1 60 THERMOSTAT NOTE COLOR KEY DRAFTOR BL BLUE OR ORANGE IF AN OPTIONAL COMPONENT IS NOT USED WITH RESPECT TO RD RED YL YELLOW THE COMPONENT TYPE A DIRECT WH WHITE GR GREEN FILE J49 083579 CONNECTION OR NO CONNECTION BK BLACK DATE 12 20 2007 SHOULD EXIST REVUE PICTORIAL CONTROL PANEL UNE IN COM i 115V AC Heat lt lt L Cool i i CMB i 124v Hot i HL RO i g TJ 24v Gnd on RIS R et YL GJO j BL zG 1 YL 1 W119 zW WH z Pi 3 P1 85L83 w2 S 0191 4 1
50. e air temp high fire Eor C External static pressure in wc O Cycle by thermostat or operating control Remarks GTND SVX01B EN 43 TRANE Maintenance AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury Periodic Service All Maintenance Service information should be recorded accordingly on the inspection sheet provided in this manual see Gas Equipment Start Up p 43 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
51. e unit heater Repeat the procedure described in Step 2 using the bottom bracket P N 252 07949 00X Using the sixteen 16 5 16 12 x 1 2 screws attach the left and right side panel P N 251 07944 and 251 07946 to the unit heater using the holes to which the louvers were attached Using the enclosed 8 18 x 1 2 screws and with the top panel oriented such that the side with the larger holes is facing the unit heater attach the top panel P N 251 07942 00X to the top bracket and the two 2 side panels Note The top panel must be attached so that the side with the larger holes is facing the unit heater this is a requirement for later steps in this installation procedure Using the enclosed 48 18 x 1 2 screws and with the bottom panel oriented such thatthe side with the larger holes is facing the unit heater attach the bottom panel P N 251 07943 00X to the bottom bracket and the two 2 side panels Note The bottom panel must be attached so that the side with the larger holes is facing the unit heater this is a requirement for later steps in this installation procedure TU ATTACH TOP BRACKET REMOVE THESE SCREWS BOTH SIDES AND INSTALL TOP BRACKET USING SCREWS REMOVED THEN PRE DRi HOLES 1 8 125 DIA USING THE HOLES IN THE TOP BRACKET AS GUIDE AND THEN INSTALL THE REST OF THE SCREWS TD FINISH THE INSTALLATION RIGHT REAR t ei 30 NOZZLE LOUVERS amp CONE SPRINGS SAVED FROM UNIT HEATER
52. ead these carefully Indicates a potentially hazardous AWARNING situation which if not avoided could result in death or serious injury Indicates a potentially hazardous ACAUTION situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices Indicates a situation that could result 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 use
53. ee Figure 23 p 28 Asan alternate a 3 8 inch diameter hole may be drilled atthe low point of the pipe for condensate drainage Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2 m to prevent sagging in Canada support at 3 foot 1 m minimum intervals Insulate pipe where appropriate Unitsizes 30 120 Avoid running vent pipe through unheated spaces when this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe Insulate vent pipe runs longer than 10 feet 3 m Insulation should be a minimum of 1 2 inch 12 7 mm thick foil faced 27 e TRANE Installation Piping e Unit sizes 150 400 Insulate single wall vent pipe exposed to cold air or running through unheated areas Figure 23 Unit sizes 30 120 Horizontal venting requirements using single wall vent pipe Category III 5 Ft 152 M2 Min 1 Ft 305 MM Min D4806C Approved Vent Teenaa Drain with Trap t COl MD Min SF Above Highest Snowfall If required by local authorities Figure 24 Unit sizes 30 120 Horizontal venting requirements using double wall vent pipe Category III Figure 25 Unit sizes 30 120 Type B draft hood connector seal annular space with silicone sealant 28 Figure 26 Unit sizes 150 400 Horizontally vented tubular unit heater Category III
54. eet 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 CSA B149 Installation Codes for Gas Burning Appliances and Equipment Air Distribution Direct air towards areas of maximum heat loss When multiple heaters are involved circulation of air around the perimeter is recommended where heated air flows along exposed 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 NOTICE Maintain Minimum Thermostat Setting Unit heaters should not be installed to maintain low temperatures and or freeze protection of buildings A minimum of 50 F 10 C thermostat setting must be maintained If unit heaters are operated to maintain lower than 50 F 10 C hot flue gases are cooled inside the heat exchanger to a point where water vapor a flue gas by product condenses onto the heat exchanger walls The result is a mildly corrosive acid that prematurely corrodes the aluminized heat exchanger and can actually drip water down from the unit heater onto the floor surface Additional unit heaters should be installed if a minimum 50 F 10 C thermostat setting cannot be maintai
55. el Assembly Flame Sensor Baffle Secondary Vestibule Panel Manifold Burner Tube Assembly Assembly Ignitor i aE KENA Burner Cover Gas Valve Peep Hole Cover Burner D6924A GTND SVX01B EN e TRANE General Information Figure 8 Unit sizes 150 400 Heat exchanger assembly D4785 Figure 9 Unit sizes 150 400 Electrical control panel Pressure Switch Pressure Switch Tubing Power Venter Connection Power In Electrical Control Panel Door Transformer Ground Screw Fan Motor Connection s a D6925A Wiring Harness Terminal Block Plate GTND SVX01B EN Figure 10 Unit sizes 150 250 Power venter assembly Power Venter Assy D4798 Figure 11 Unit sizes 300 400 Power venter assembly Tinnerman Speed Nuts must be Hose Nipple pushed to this approximate position in order to clear blower wheel i X YS Blower Wheel Ref See detail A Blower Housing Assembly Locknut Palnut Detail A Blower Wheel Machine Screw Blower Motor Plate Adaptor Self tapping Screw 04780 Conduit Connection Nut Figure 12 Unit sizes 150 400 Turbulator High limit location Power Venter Ass y Turbulator Vestibule Panel Tube Assy Flue Collector Fan Motor j Fan Guard Fan VN D4781
56. er Assembly 20 Flue Collar Assembly 21 Vinyl Tubing Pressure Switch 22 Power Venter Mounting Plate 23 Louver 24 Louver Spring 25 Control Board 26 Access Panel 27 Jacket Panel w Insulation 28 Bottom J acket Panel w Insulation 29 Front Jacket Panel 30 Rear Jacket Panel 31 Bracket Manifold 32 Tube Support Bracket 33 Green Ground Screw 34 Hanger Bracket 35 Manifold Clamp 36 Pipe Nipple 37 Left Side Panel 38 Manifold Support Bracket Kit 39 Spring 40 Grommet 41 Inlet Screen Assembly 42 Burner Box View Port b When replacing a flue collector make sure that the flue collector box is sealed completely with factory supplied gasket GTND SVX01B EN e TRANE General Information Figure 4 0 Unit sizes 30 120 Component parts Pressure switch Gas valve Unit sizes 30 120 Internal furnace Figure 5 components Unit Tube Size Quantity 30 MBH 2 45 MBH 3 60 MBH 4 75 MBH 5 90 MBH 6 105 MBH 7 120 MBH 8 10 Heat Exchanger Assembly Tu Vestibule Panel D4809C Figure 6 Unit sizes 30 120 Power venter assembly 9 i Figure 7 Unit sizes 150 400 Component parts Hanger Locations Power Vent Assembly Flue Collector Electrical Control Pan
57. ever 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 these recommendations could result in death or serious injury or equipment damage ANSI now organizes vented appliances into four categories e TRANE Installation Piping Table 5 All unit sizes Venting categories Non Condensing Condensing Negative Vent Pressure Positive Vent Pressure Hl IV Category I Includes non condensing appliances with negative vent pressure like the traditional atmospheric unit heater Category Il Groups condensing appliances with negative vent pressure Category Appliances are non condensing and operate with a positive vent pressure Category IV Covers condensing appliances with positive vent pressure Note Category II and IV do not apply to equipment specified within this manual When an existing heater is removed or replaced in venting system the venting system may not be properly sized to vent the attached appliances An improperly sized vent system can cause formulation of condensate or leakage or spillage of flue gases The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the venting system are not in operation 1 Seal any unused openings in the venting system 2 Inspect t
58. g inspection and service routine 1 Inspect the area near the unit to be sure that there is no combustible material located within the minimum clearance requirements listed in this manual AWARNING Combustible Materials Maintain proper clearance between the unit heat exchanger vent surfaces and combustible materials Refer to unit nameplate and installation instructions for proper clearances Improper clearances could result in a fire hazard Failure to maintain proper clearances could result in death or serious injury or property damage 2 Turn off the manual gas valve and electrical power to the unit heater 3 Unit sizes 30 120 Remove service access panel To clean or replace the main burner s e Unit sizes 30 120 Remove retainer from around manifold orifice disconnect flame sensor and igniter from control board remove burner assembly mounting screws see Figure 3 p 9 Unit sizes 150 400 Remove burner cover Remove top strip from above burners Lift burners up and pull away from manifold to remove 5 With the burner s removed wire brush the inside surfaces of the heat exchanger 6 Remove any dirt dust or other foreign matter from the burner s using a wire brush and or compressed air Ensure that all parts are unobstructed 7 Reassemble the unit heater by replacing all parts in reverse order 8 Unit sizes 150 400 Complete the appropriate unit start up procedure as given in All Uni
59. g 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 Veririe ENERGY PERFORMANCE VERIFIED RENDEMENT ENERGETIQUE VERIFIE GTND SVX01B EN Table of Contents Warnings Cautions and Notices 2 Model Number Descriptions 6 Indoor Gas Heating Units 6 General Information 7 Description 7 General Safety Information 7 Identification of Parts 8 Unit Dimensions and Weights 12 Installation Mechanical 16 Air Distribution 16 1 17 Nozzle Assembly 19 Installation Piping 21 Gas Supply Piping 21 Pipe SIZING 21 Pipe Installation 22 Installation Venting 23 Standard Combustion 25 All Unit Sizes Vertically Vented Unit Heaters Category 25 All Unit Sizes Horizontally Vented Unit Heat ers Category Ill 26 Unit Sizes 30 120 Only Vertically Vented Unit Heaters Category Ill 28 Sepa
60. gh the concentric vent box and outside wall to the vent terminal Long runs of single wall combustion air piping passing through an unheated space may require insulating if condensation becomes noticeable The combustion air system must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot toward the inlet cap to facilitate drainage Vertical combustion air pipes should be piped as depicted in Figure 34 p 34 The equivalent length of the combustion air system must not be less than 5 feet 1 5 m and must not exceed 30 feet 9 m Equivalent length equals the total length of straight pipe plus 5 feet 1 5 m for each 90 elbow and 2 5 feet 0 76 m for each 45 elbow Note For optimum performance keep the combustion air system as straight as possible Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil Tape or its equivalent must then be used to seal each joint General Electric RTV 108 Dow Corning RTV 732 or an equivalent silicone sealant with a temperature rating of 500 F may be used instead of the tape For horizontal combustion air systems longer than 5 feet 1 5 m the system must be supported from overhead building structures at 4 foot 1 2 m intervals in the U S and at 3 foot 0 91 m intervals in Canada Exhaust Venting AWARNING Carbon Monoxide Never operate unit heaters without combustion ai
61. he venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 and these instructions Determine that there is no blockage or restriction leakage corrosion and other deficiencies which could cause an unsafe condition 3 Insofar as practical close all building doors and windows and all doors between the space in which the appliance s connected to the venting system are located and other spaces of the building Turn on clothes dryers and any exhaust fans such as range hoods and bathroom exhausts so they shall operate at maximum speed Do not operate a summer exhaust fan Close fireplace damper 4 Follow the lighting instructions Place the appliance being inspected in operation Adjust thermostat so that the appliance will operate continuously 5 After it has been determined that each appliance connected to the venting system properly vents when tested as outline above return doors windows 24 exhaust fans fireplace dampers and any other gas burning appliance to their previous condition of use 6 If improper venting is observed during any of the above tests the venting system must be corrected immediately so that the system conforms with the National Fuel Gas Code ANSI Z223 1 When resizing any portion ofthe venting system the venting system should be resized to approach the minimum size as determined using the appropriate tables in Appendix G of the National Fuel Gas Co
62. ic Vent Terminal Horizontal Termination Select a location on outside wall for vent terminal In most applications the terminal should be on level with the flue outlet of the unit less a 1 4 inch per foot pitch for condensate drainage toward the outside of the building see Figure 35 p 34 The location of the vent terminal must be in accordance with the National Fuel Gas Code ANSI Z223 1 in the U S or the Natural Gas Installation Code CAN CGA B149 1 or the Propane Gas Installation Code CAN CGA 149 2 in Canada Refer to Table 6 p 24 for minimum In Canada a vent shall not terminate above a meter regulator assembly within 3 feet 0 9 m horizontally of the vertical centerline of the regulator nor within 6 feet 1 8 m of any gas service regulator vent outlet Cut a hole through the wall for a combustion air pipe e Unit sizes 30 75 Cut for a 6 inch 152 mm combustion air pipe e Unit sizes 90 120 Cut for an 8 inch 203 mm combustion air pipe 35 e TRANE Installation Piping Install thimble if required by local codes or type of wall construction Concentric vent box may be fastened directly to wall or spaced away from wall using suitable brackets field supplied Cut a length of pipe so that it will protrude 4 inches 102 mm through the wall when the box is mounted in position Fasten pipe to box with sheet metal screws using at least three screws per joint Seal joint with silicone sealant Insert pipe thro
63. ich 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 39 3 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 Turn the thermostat to its lowest setting the power venter 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 also refer to lighting instruction plate equipped on the unit p 39 preceding section Refer to the figures for parts identification e All unit sizes Refer to Figure 2 p 8 e Unit sizes 30 120 Also refer to Figure 3 p 9 through Figure 6 p 10 and Figure 40 p 40 e Unit sizes 150 400 Also refer to Figure 7 10 through Figure 12 p 11 and Figure 41 p 40 Figure 40 Unit sizes 30 120 Burner parts identification Burner Box Flame Sensor Spark Ignitor Direct Spark Gas Valve D6929c Figure 41 Unit sizes 150 400 Burner parts identification Burner Box r Direct Spark Gas Valve D6923B Spark Ignitor Primary Air Adjustment Primary air adjustment is made at the f
64. idual 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 All unit sizes Gas piping requirements Gas Type Natural Gas Propane LP Gas Single Stage Gas Piping Requirements gt Manifold Pressure 3 5 in wc 10 0 in wc 0 9 kPa 2 5 kPa Supply Inlet Pressure 14 0 in wc Max 14 0 in wc Max 3 5 kPa 3 5 kPa 5 0 in wc Min 11 0 in wc Min 1 2 kPa 2 7 kPa a For single stage applications only at altitudes below 2 001 feet b For single stage applications only at normal altitudes Installation Venting 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 diameter other than that specified e Unit sizes 30 120 Use 4 120 mm flue pipe e Unit sizes 150 400 Refer to Table 2 p 14 To prevent pipe from melting and introducing exhaust fumes into the air supply n
65. in accordance with CAN CGA B149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CGA B149 2 Installation Code for Propane Burning Appliances and Equipment The concentric vent box inlet air screen deflector disk and vent terminal provided with the unit heater must be installed at the termination point of the combustion air vent system Refer to Figure 32 p 33 through Figure 36 p 35 and Table 8 p 33 Each unit heater MUST have its own combustion air system It MUST NOT be connected to other air intake systems Use single wall pipe constructed of 26 GA galvanized steel or a material of equivalent durability and corrosion resistance for the vent system For installations in Canada use corrosion resistant and gas tight listed vent pipe conforming with local building codes or in the absence of local building codes with current CAN CGA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CAN CGA B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment For installations in the United States vent pipe approved for Category Ill appliances must be used between the appliance and the concentric vent box unless 33 of the vent run is vertical then single wall galvanized vent pipe or double wall Type B vent pipe may be used between the appliance and the concentric vent box A single length of double wall Type B vent pipe must be used to go throu
66. inch 25 mm from all combustible materials Any part of the vent system that passes through a combustible material must be properly insulated Note Increasing the clearance distances may be necessary ifthere is a possibility of distortion or discoloration of adjacent materials The top of a VERTICALLY VENTED exhaust system must extend at least 3 feet 0 91 m above the roof surface that it passes through see Figure 34 p 34 GTND SVX01B EN 11 e TRANE Installation Piping The pointof termination for a HORIZONTALLY VENTED exhaust system must be at least 12 inches 0 3 m from the exterior of the wall that it passes through In addition the termination point must be at least 1 foot 0 3 m above grade or above the snow line more than 6 feet 1 8 m from the combustion air inlet of another appliance at least 4 feet 1 2 m below 4 feet 1 2 m horizontally from or 1 foot 0 3 m above any door window or gravity air inlet into any building and more than 3 feet 0 91 m from and not directly above any gas meter or service regulator Refer to Figure 35 p 34 Figure 36 p 35 and Table 6 p 24 Table 8 Unit sizes 30 120 Concentric vent box dimensions Dimensions Inches Nominal Unit Size A B 30 45 4 12 4 6 8 5 12 60 75 90 105 5 12 5 8 12 5 15 120 Figure 32 Unit sizes 30 120 Concentric vent box D8591 33 e TRANE Installation Piping
67. ing 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 e Unitsizes 30 120 pressure tap plug is below the control outlet Unit sizes 150 400 the pressure tap plug is adjacent to the control outlet GTND SVX01B EN 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 d Replace regulator adjustment screw cap 2 PROPANE GAS An exact manifold pressure of 10 0 inches wc 2 5 kPa must be maintained for proper operation of the heater If the unit is equipped with a pressure regulator on the combination gas valve follow Step a through Step d above If the unit is not 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 9 p 41 and Table 10 p 42 GTND SVX01B EN Table 9 All unit sizes Main burner orifice schedule Type of Gas Natural Heating 1075 BTU ft3 2500 BTU ft3 Val 40 1 MJ m3 93 1 MJ m3 Inputin No of 1000 Manifold 10 wc 2 5 kPA Burner
68. ing to prevent strain on the gas manifold and controls To prevent explosion fire or gas leaks support piping so that piping does not sag or put pressure on the burners internal to the unit Failure to follow these recommendations could result in death or serious injury or equipment or property only damage 3 To prevent the mixing of moisture with gas run the take off piping from the top or side of the main 4 Standard unit heaters all unit sizes and optional two stage units unit sizes 150 400 are supplied with a combination valve which includes a Manual A valve b Manual B valve c Solenoid valve d Pressure regulator GTND SVX01B EN Pipe directly in to combination valve see Figure 21 p 23 5 Gas valve has a pressure test post requiring a 3 32 hex head wrench to read gas supply and manifold pressures Open 1 4 turn counterclockwise to read turn clockwise to close and reseat A 5 16 ID hose fits the pressure post 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 21 p 23 7 Make certain that all connections have been adequately doped and tightened Overtightening Do not overtighten the inlet gas piping into the valve This may cause stresses that could c
69. inlet opening re using the 4 screws removed in step one Exhaust Air Collar Unit sizes 90 120 Secure the reducer fitting to transition from 5 pipe to 4 pipe to the flue collar on the rear panel Seal per exhaust venting instructions Concentric Vent Terminal Vertical Termination AWARNING Risk of Fire and Carbon Monoxide Poisoning with Improper Piping Never use pipe other than diameter stated in Table 1 p 12 To prevent pipe from melting and introducing exhaust fumes into the air supply never use PVC ABS or any other non metallic pipe for venting To prevent fan restriction an elbow should never be attached directly to the venter Failure to follow recommendations could result in death or serious injury or equipment damage Select location on roof for vent terminal ensuring adequate space inside the building structure for concentric vent box Terminal must be at least 6 feet 1 8 m from any wall or adjoining building see Figure 34 p 34 Cut a hole through the roof for combustion air pipe Concentric vent box is to be suspended from the GTND SVX01B EN e TRANE Installation Piping underside of the roof using suitable brackets field supplied Before mounting box cut a length of pipe so that dimension A Figure 34 p 34 is equal to the dimension from the top of the box to the roof surface plus 20 inches or plus maximum expected snow depth whichever is greater e Unit sizes 30 75 Cut a
70. ith CAN CanGa B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CAN CanGa B149 2 Installation Codes for Propane Gas Burning Appliances and Equipment These unit heaters have been designed and certified to comply with CSA 2 6 Unit sizes 150 400 If installed in Canada the installation must conform with local building codes or in absence of local building codes with CSA B149 1 Installation Codes for Natural Gas Burning Appliances and Equipment or CSA B149 2 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 p 16 and Public Garages p 16 Do not alter the unit heater in any way or damage to the unit and or severe personal injury or death could occur e TRANE General Information Turn off the gas supply and disconnect all electric power including remote disconnects before servicing unit Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized and the gas can not be inadvertently turned on Failure to turn off gas or disconnect power before servicing could result in death or serious injury Follow installation instructions CAREFULLY to avoid creating unsafe conditions All wiring should be done and checked by a qualified electrician using copper wire only e All gas connections should
71. length of 6 inch 152 mm pipe e Unit sizes 90 120 Cut a length of 8 inch 203 mm pipe Fasten pipe to combustion air inlet connection of concentric vent box and seal joint Insert pipe through roof and fasten vent box in place Flash and or caulk pipe to roof Install inlet air screen assembly and fasten to pipe with screws Insert a 5 foot length of Type B vent pipe through the concentric vent box opening see Figure 32 p 33 detail A with the UP arrow pointing up Position the pipe to extend 12 inches beyond the inlet air screen Secure the Type vent pipe in position by drilling three small equally spaced holes through the collar of the concentric vent box and inserting sheet metal screws Install deflector disk on Type B vent pipe 2 1 2 inches above inlet air screen and fasten with screws Seal joint between deflector disk and pipe with silicone sealant Install vent terminal on top of Type B vent pipe fasten with screws and seal joint Connect flue pipe and combustion air pipe from concentric vent box to unit following instructions in Combustion Air Venting and Piping p 32 and Exhaust Venting 32 Joint between Type B vent pipe and single wall vent pipe must be sealed with high temperature silicone sealant see Figure 33 p 34 Collars on unit and on concentric vent box are sized sothat crimped ends of combustion air pipes go toward the unit and crimped ends of flue pipes go away from the unit Concentr
72. line or other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous If you smell gas 1 Do not try to light any appliance 2 Do not touch electrical switches do not use any phone in your building 3 Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions 4 If you cannot reach your gas supplier call your fire department 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 consignee should sign the bill of ladin
73. ll 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 20 10 Install the louvers and cone springs GTND SVX01B EN Installation Piping Gas Supply Piping AWARNING Flammable Vapors When connecting to existing gas lines be sure to valve off the gas supply ahead of connection point To avoid explosion or possible fire always purge all residual gas from piping before cutting into existing line or removing threaded fittings Failure to remove all gas vapors could result in death or serious injury or equipment or property only damage Pipe Sizing To provide adequate gas pressure at the gas unit heater size the gas piping as follows 1 Find the ft3 hr by using the following formula Input 3 oe Btu per ft 2 Refer to Table 3 p 22 Match Length of Pipe with appropriate Gas Input Ft Hr value This value can then be matched to the pipe size at the left of the table Example It is determined that a 67 foot 20 4 m run of gas pipe is required to connect a 200 MBtu gas unit heater to a 1 000 Btu ft 0 29 kW natural gas supply 2000000 2200 ft hr Using Table 3 p 22 a 1 inch pipe is needed Notes e See General Safety Information p 7 for English SI metric unit conversi
74. lt chimney or a lined brick and mortar chimney that has been constructed in accordance with the National Building Code Unit sizes 30 120 All tables and dimensions assume B vent for the flue and single wall pipe or B vent for the connector M Unit sizes 30 120 Unit may be common vented when installed in accordance with NFPA 54 guidelines 3 Provide as long a vertical run offlue pipe atthe gas unit heater as possible A minimum of 5 feet 1 5 m of vertical flue is required for Category venting The top of the vent pipe should extend at least 2 feet 0 61 m above the highest point on the roof Consideration should be made for anticipated snow depth GTND SVX01B EN 10 e TRANE Installation Piping Unit sizes 150 400 Install an Amerivent Americap or Metalbestos vent cap over the vent opening Slope horizontal runs upward from the gas unit heater at least 1 4 inch per foot 21 mm m minimum Horizontal Vent Connector length should not exceed 75 of the vertical height of the vent pipe or chimney above the flue pipe connection Maximum vent connector length is 10 feet 3 m For exceptions see Ch 10 of the National Fuel Gas Code ANSI Z223 1 Horizontal portions of the venting system shall be supported at maximum intervals of 4 feet 1 2 m see Figure 22 p 26 in Canada support at 3 foot intervals 1 m minimum intervals Maintain clearance between the vent pipe and combustible materials per vent pipe manufacture
75. motor turns on and off while 1 Motor overload protection is Check motor amps against motor name plate and check burner is operating tripping voltage Replace if found defective 2 Loose wiring or connection 2 Check for 115V between motor leads 3 Control board is defective 3 Check terminal ACB Heat for voltage If voltage is not GTND SVX01B EN constant replace board 47 e TRANE Diagnostics Table 11 Troubleshooting guide continued Symptoms Possible Cause s Corrective Action N Fan will not stop 1 Control board is in flame failure 1 Turn 115V power off to the unit wait 10 seconds and mode reapply voltage to the unit 2 Fan improperly wired 2 Check wiring of fan circuit per wiring diagram 3 Defective board 3 Ifunitis not calling for heat and board is not in a flash code mode replace board O Not enough heat 1 Incorrect gas input 1 Refer to All Unit Sizes Operation p 39 2 Heater undersized 2 15 the heater output sized correctly for the heat loss of the space Has the space been enlarged 3 Thermostat malfunction 3 Check thermostat circuit 24V at terminals R and W on terminal strip 4 Heater cycling on limit 4 Check air movement across heat exchanger Check voltage and amps to fan motor Check gas input to ensure unit is not over fired Check heat exchanger to ensure unit is not dirty 5 Incorrect orifice size s 5 Check orifice size
76. n the space to be heated THESE HEATERS ARE NOT TO BE CONNECTED TO Figure 1 Tubular Propeller Unit Heaters Front view Unit size 150 Rear view Unit size 150 See Identification of Parts p 8 for unit components General Safety Information Important plumber or gas fitter when installed within the Commonwealth of Massachusetts AWARNING Safety Alert You MUST follow all recommendations below Failure to do so could result in death or serious injury This product must be installed by a licensed Installation must be made in accordance with local codes or in absence of local codes with the latest edition of ANSI Standard Z223 1 N FPA No 54 National Fuel Gas Code All of the ANSI and NFPA Standards referred to in these installation instructions are those that were applicable at the time the design of this appliance was certified The ANSI Standards are available from the CSA Information Services 1 800 463 6727 The NFPA Standards are available from the National Fire Protection Association Batterymarch Park Quincy MA 02269 Unit sizes 150 400 These units are designed for use in airplane hangars when installed in GTND SVX01B EN accordance with ANSI NFPA No 409 and in public garages when installed in accordance with NFPA No 88A and NFPA No 88B Unit sizes 30 120 If installed in Canada the installation must conform with local building codes or in absence of local building codes w
77. nd the combustion chamber When the flame roll out switch trips it interrupts the flow of electric current to the control board interrupting the flow of gas to the unit heater in the event of sustained flame roll out from the burner area If the flame roll out switch trips you must determine and correct the cause of the flame roll out before starting the unit back up Failure to do so could result in death or serious injury flu like symptoms Note Refer to figures Unit sizes 30 120 Refer to Figure 40 p 40 Unit sizes 150 400 Refer to Figure 41 p 40 1 Each Unit Heater comes equipped with a power vent system that consists of a power venter motor and blower pressure switch and sealed flue collector in place of the conventional draft diverter 2 The power venter motor is energized by the room thermostat through the integrated control board when a demand for heat is sensed The pressure switch measures the flow through the vent system and energizes the direct spark ignition system beginning the pre purge timing when the flow is correct 3 Thedirect spark ignition system consists of an ignition control module and a gas valve When the pre purge period ends the spark ignition system is energized and the gas valve opens to supply gas to the burner Once the thermostat has been satisfied the vent system is de energized stopping all gas flow to the unit 4 Thelimitswitch interrupts the flow of elect
78. ned Failure to follow these recommendations could result in equipment or property damage GTND SVX01B EN 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 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 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 s
79. nt cap En see instructions i t 2 min 12 A 305 mm min ls 6 0 min To prevent 1 8 m min building material degradation from flue gases ee Le L Pitch flue pipe down toward Flashing outlet 1 4 per foot X 2 clearance i 21 mm m of run to allow 51 mm for condensate drainage L__ Unit sizes 30 120 3 feet 0 91 m thimble an Oe ile plus maximum snow depth for 51 mm min area above grade Unit sizes 150 400 12 inches 305 mm plus maximum snow depth for area above grade Figure 29 All unit sizes Vertical arrangement single wall vent system to single wall termination 6 0 min 1 8 m min Adjacent building Approved vent cap see instructions Unit sizes und feet 0 609 m plus maximum snow depth for area Unit sizes 150 400 6 inches 152 mm plus maximum snow depth for area All unit sizes Vertical pipe extension over 12 305 mm must be insulated Fiberglass insulation min 2 thick 51 mm min Roof Flashing Roof pitched from 0 to 45 x 51 mm min all around 30 2 clearance 51 mm thimble Vent pipe diameter Unit sizes 30 120 See Table 1 p 12 Unit sizes 150 400 See Table 2 p 14 GTND SVX01B EN e TRANE Installation Piping Figure 30 All unit sizes Horizontal arrangement single wall vent system to double wall termination
80. of the same size as the flue connections on the gas unit heater see Table 1 p 12 All heaters must be vented with a single or double wall pipe listed for Category IIl positive pressure vent systems A single length of double wall vent pipe must be used to go through the concentric vent box and outside wall to the vent terminal The ventsystem must be installed to prevent collection of condensate Pitch horizontal pipes downward 1 4 inch per foot 21 mm per meter toward the vent cap to facilitate drainage Vertical vent pipes should be piped as depicted in Figure 34 p 34 The equivalent length of the vent system must not be less than 5 feet 1 5 m and must not exceed 30 feet 9 m The equivalent length equals the total length of straight pipe plus 5 feet 1 5 m for each 90 elbow and 2 5 feet 0 76 m for each 45 elbow Each slip joint must be secured with at least three corrosion resistant screws Two full turns of 3M 425 Aluminum Foil tape or its equivalent must then be used to seal each joint High temperature silicone sealant may be used instead of the tape Silicone sealant must be used to seal the joint between the Type B vent pipe and the single wall pipe For horizontal vent systems longer than 5 feet 1 5 m the system must be supported from overhead building structures at 4 foot 1 2 m intervals in the U S and at 3 foot 0 91 m intervals in Canada The exhaust vent system must remain at a minimum distance of 1
81. on 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 GTND SVX01B EN TRANE 21 e TRANE Installation Piping Table 3 All unit sizes Gas pipe size Length of Pipe ft m dits Bender 10 20 30 40 50 60 70 80 90 100 125 150 175 200 Size in mm 3 0 6 1 9 1 12 2 15 2 18 3 21 3 24 4 27 4 30 5 38 1 45 7 53 3 61 0 1 2 0 622 175 120 97 82 73 66 61 57 53 50 44 40 37 35 16 4 96 3 40 2 75 2 32 2 07 1 87 1 73 1 61 1 50 1 42 1 25 1 13 1 05 0 99 3 4 0 824 360 250 200 170 151 138 125 118 110 103 93 84 71 72 21 10 2 7 08 5 66 4 81 4 28 3 91 3 54 3 34 3 1
82. ow 4 The top of the vent pipe should extend at least 2 feet 0 61 m above the highest point on the roof Consideration should be made for anticipated snow depth Install an Amerivent Americap or Metalbestos vent cap over the vent opening Slope horizontal runs upward from the gas unit heater at least 1 4 inch per foot 21 mm m minimum Horizontal portions of the venting system shall be supported at minimum intervals of 4 feet 1 2 m in Canada support at 3 feet 1 m minimum intervals see Figure 27 p 29 Figure 29 p 30 and Figure 31 p 31 5 Sealall vent pipe joints and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temperature GTND SVX01B EN rating of 500 F or 3M 425 aluminum foil tape or equivalent 6 Avoid running vent pipe through unheated spaces When this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe Figure 27 Unit sizes 30 120 Vertical venting Category III ina o i i GTND SVX01B EN e TRANE Installation Piping 29 e TRANE Installation Piping Figure 28 All unit sizes Horizontal arrangement single wall vent system to single wall termination Building overhang Adjacent buildi Vent pipe diameter 1 Unit sizes 30 120 See Table 1 p 12 Unit sizes 150 400 See Table 2 p 14 Approved T ai ve
83. pecific requirements for arc flash protection PRIOR to servicing the unit Failure to follow recommendations could result in death or serious injury ATTENTION READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL OPERATE OR SERVICE THESE UNITS CHECK UNIT DATA PLATE FOR TYPE OF GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT POINT OF INSTALLATION RECORD THE UNIT MODEL AND SERIAL No s IN THE SPACE PROVIDED RETAIN FOR FUTURE REFERENCE GTND SVX01B EN AWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this manual could result in exposure to electrical mechanical or other potential safety hazards Always refer to the safety warnings provided throughout this manual concerning these procedures When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury AWARNING Overheating or Flooding Could Cause Fire
84. ply is off 1 Open all manual gas valves Check for leaks 2 Lack of power at unit 2 Replace fuse or turn on power supply 3 Thermostat not calling for heat 3 Turn up thermostat Check for 24 volts at terminals R and W1 on terminal strip 4 Defective high limit 4 Check limit switch with continuity tester If open with no heat present replace limit switch 5 Defective drafter prove switch 5 Check switch operation to ensure switch closes after drafter purge period If it does not make check tubing connections blockage Improper ground Check all ground wires and connections 7 Improper thermostat or 7 Check wiring per diagrams transformer wiring Ignitor defective damaged Replace ignitor 9 Misaligned ignitor 9 Realign ignitor 10 Defective gas valve 10 Check for 24 volts at gas valve terminals during trial for ignition period If present with no manifold pressure replace gas valve 11 Loose wiring 11 Check and tighten all wiring connections per diagrams 12 Blown fuse 12 Refer to symptom Q H Condensation of water vapor 1 Improper venting 1 Refer to Installation Venting p 23 2 Unit under fired Check gas supply pressures to unit Refer to Installation Mechanical p 16 3 Building too cold 3 Refer to Installation Mechanical p 16 Burner s won t turn off 1 Poor thermostat location 1 Relocate thermostat away from outside walls or drafts 2 Improperthermo
85. properly 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 GTND SVX01B EN e TRANE Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors could result in equipment damage It is recommended that the electrical power supply to each unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating for each unit heater should be located as close to the gas valve and controls as possible Each unit heater must be electrically grounded in accordance with the latest edition of the National Electric Code ANSI NFPA No 70 or CSA Standard C22 1 See sample wiring connections e All unit sizes Refer to Figure 37 p 37
86. r and flue gas piping in place Each unit heater 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 Note Every Separated Combustion unit to be installed MUST use the factory supplied Concentric Vent Kit Ifyou do not have this kit contact the manufacturer ASAP to obtain one prior to installation 1 Vent system installation must be in accordance with the current National Fuel Gas Code NFPA 54 or ANSI GTND SVX01B EN 10 Z223 1 National Fuel Gas Code In Canada installation must be in accordance with CAN CGA B149 1 Installation Code for Natural Gas Burning Appliances and Equipment and CAN CGA B149 2 Installation Code for Propane Burning Appliances and Equipment The Concentric Vent Kit which includes a concentric vent box air inlet screen deflector collar vent terminal and inlet air collar provided with the heater by the manufacturer must be installed at the termination point of the combustion air vent system Refer to Figure 32 p 33 through Figure 36 p 35 and Table 8 p 33 Each unit heater MUST have its own vent system It MUST NOT be connected to other vent systems or to a chimney Use flue pipe
87. r s instructions Use as few elbows as possible Seal all vent pipe joints and seams to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 or equivalent silicone sealant with a temperature rating of 500 F or 3M 425 aluminum foil tape or equivalent Tape flue pipe joints with high temp RTV or foil face tape Avoid running vent pipe through unheated spaces When this cannot be avoided insulate the pipe to prevent condensation of moisture on the walls of the pipe Insulate vent pipe runs longer than 10 ft 3 m Insulation should be a minimum of 1 2 12 7 mm thick foil faced Do not damper the flue piping Failure to open such a damper priorto operating the gas unit heater will result in the spillage of flue gas into the occupied space Avoid installing units in areas under negative pressure due to large exhaust fans or air conditioning When required a flue vent fan should be installed in accordance with the instructions included with the fan Vent connectors serving Category and Category Il heaters shall not be connected into any portion of mechanical draft systems operating under positive pressure 25 e TRANE Installation Piping Figure 22 All unit sizes Vertical venting Category 1 2 feet Min 0 61 m Min i Thimble 777 5 feet Min 1 52 m Min 305 mm 10 feet Max 3 05 m Not to exceed 75 of Vertical Flue Height All Unit Sizes Horizontally Ven
88. rack 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 21 All unit sizes Pipe installation standard controls GAS A MANUAL SHUT OFF VALVE WITH SUPPLY 1 8 IN N P T PLUGGED TAPPING LINE ACCESSIBLE FOR TEST GAGE CON NECTION MUST BE INSTALLED IMMEDIATELY UPSTREAM OF THE GAS SUPPLY CONNECTION TO THE APPLIANCE WHEN INSTALLED ALTERNATE WITHIN THE COMMONWEALTH OF GAS ASSACHUSETTS A T HANDLE i AS COCK MUST BE USED aie rea m TO UNIT ate ise 1 GAS VALVE ae 4 1 3 MIN GROUND JOINT UNION 76MM MIN PLUGGED 1 8 IN N P T TEST GAGE CONNECTION DRIP EGER D3631C 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 GTND SVX01B EN e TRANE Installation Piping The appliance must be isolated from the gas supply piping system by closing its indiv
89. rated Combustion 32 Unit Sizes 30 120 Only Category 1 32 Installation Electrical 37 Electrical Connections 37 Thermostat Wiring and Location 37 StartUp s secs canwnn 39 All Unit Sizes Operation 39 Power Vented Propeller Units Direct Spark IQNition 39 Gas Equipment Start Up 43 Maintenance 44 Periodic Service 44 How to Order Replacement Parts 45 GTND SVX01B EN Diagnostics Wiring Diagrams 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 T Tubular Heat Exchanger Propeller Type Digit 3 Fuel N Natural Gas P LP Gas Propane Digit 4 Development Sequence D Fourth Generation Digits 5 6 7 Input Capacity Single Furnace 003 30 MBh 015 150MBh 004 45 MBh 017 175 MBh 006 60 MBh 020 200 MBh 007 75MBh 022 225 MBh 009 90MBh 025 250MBh 011 105 MBh 030 300 MBh 120 120 MBh 035 350 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
90. ric currentto the control board interrupting the flow of gas to the gas valve if the unit heater becomes overheated GTND SVX01B EN 5 Once the thermostat is satisfied or the limit switch interrupts the flow of electric current to the control board the unit will begin a post purge period When the post purge period ends the power venter motor is de energized 6 The operation of the fan is delayed for approximately 30 seconds once the thermostat is closed and continues operation for approximately 30 seconds after the thermostat opens Note The start up fan delay must not exceed 30 seconds from a cold start 7 The wall thermostat supplied optionally is a temperature sensitive switch that operates the vent 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 Start Up also refer to lighting instruction plate equipped on the unit 1 Openthe manual gas valve inthe gas supply line to the unit heater with union connection loose purge air from the gas line 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 wh
91. sizes 150 400 Clearance between vertical walls and the vertical sides of the unit heater shall be no less than 6 inches 152 mm However to ensure access to the control box a minimum of 18 inches 457 mm is required for the control box side 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 rear of unit and vertical wall should be no less than 18 inches to maintain inlet air flow The distance between the flue collector and any combustible must be no less than 6 inches 152 mm Also refer to Air for Combustion p 17 and Installation Venting p 23 sections Note Increasing the clearance distances may be necessary if there is a possibility of distortion or discoloration of adjacent materials Unit Mounting 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
92. st be installed with a minimum clearance above the floor of 18 inches 457 mm Unit sizes 150 400 Unit heaters equipped with standard fan guards 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 If a unit is to be mounted below 8 feet 2 4 m from the floor an OSHA approved fan guard is required on the unit Aircraft Hangers Unit sizes 150 400 Unit heaters must be installed in aircraft hangars 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 16 Canada installation is suitable in aircraft hangars when acceptable to the enforcing authorities Public Garages Unit sizes 150 400 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 f
93. stat wiring w Ds D Do OZ O D6922C 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 Recommended Heat Anticipator Settings Unit Size 30 200 250 400 For Tubular Units 0 35 Amps 0 65 Amps Note Should any high limit wires have to be replaced they must be replaced with wiring material having a temperature rating of 200 C minimum 38 GTND SVX01B EN Start Up All Unit Sizes Operation Power Vented Propeller Units Direct Spark Ignition Explanation of Controls 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 e TRANE AWARNING Flame Roll Out Hazard Flame roll out can cause fire The flame roll out switch trips in events in which flame extends beyo
94. statwiringatgas 2 Checkthermostat circuit for open and close on terminal strip valve on heater R and W 3 Short circuit 3 Check thermostat circuit for short such as staples piercing thermostat wiring and correct 4 Defective or sticking gas valve 4 Checkfor 24V at gas valve terminals when thermostat is not calling 5 Excessive gas supply pressure 5 Refer to Installation Piping p 21 J Rapid burner 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 setting to Installation Electrical p 37 3 Unit cycling on high limit 3 Check for proper air supply across heat exchanger and proper gas supply 4 Poor thermostat location 4 Relocate thermostat K 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 3 Realign power venter wheel L Fan will not run 1 Loose electrical connections 1 Check and tighten wires on fan circuit 2 Defective motor or overload 2 Test for 115V at terminal ACB Heat and L2 If voltage is present replace motor 3 Defective control board 3 Testfor 115V at terminal ACB Heat and L2 on the control board If voltage is not present 45 seconds after trial for ignition replace board 4 Blown fuse 4 Replace fuse M Fan
95. t Sizes Operation p 39 of this manual see unit lighting instruction plate and the unit nameplate 9 Check the burner adjustment 10 Check all gas control valves and pipe connections for leaks 11 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 GTND SVX01B EN 12 13 14 close tightly completely extinguishing the flame on the main burner s 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 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 3 years or 8 000 hours of operation c Heavy Duty Annually after 1 year or at least 1 500 hours of operation Check and test the operational functions of all safety devices supplied with your unit How to Order Replacement Parts Please send the following information to your local Parts center If further assistance is needed contact the manufacturer s customer service department Model number Serial Number Part description and Number as shown in the Replacement Parts Catalog GTND SVX01B EN e TRANE Maintenance 45 TRANE Diagnostics Troubleshooting AWARNING
96. ted Unit Heaters Category Carbon Monoxide Never operate unit heaters without combustion air and flue gas piping in place Each unit heater 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 Unit sizes 150 400 Horizontal venting arrangements are designed to be used with single wall vent pipe Horizontal venting arrangements must terminate external to the building using either single wall or double wall Type B vent If single wall vent pipe is used it must be constructed of 26 gauge galvanized steel or a material of equivalent durability and corrosion resistance for the vent system For installations in Canada use corrosion resistant and gas tight listed vent pipe conforming with local building codes or in the absence of local building codes with current 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 Refer to Figure 26 p 28 Figure 28 p 30 and Figure 30 p 31 for special installation requirements regarding these venting conditions 26 1 4 per foot 21 mm per m Approve
97. to ceiling joists or by suspending from four rods see Figure 15 p 18 through Figure 17 p 18 For suspension of units refer to the figures e Unit sizes 30 120 Refer to Figure 15 p 18 through Figure 17 p 18 e Unit sizes 150 400 Refer to Figure 18 p 19 through Figure 20 p 19 Figure 15 Unit sizes 30 120 Hanger bracket installation instructions 10 X 1 2 Screw Install Hangers To Front And Rear Of Unit With 10 X 1 2 Screws 10 Plcs As Shown 18 Figure 16 Unit sizes 30 120 Heater mounting steel construction 20 3 4 3 8 Threaded Rod E 546 mm 7 Hanger Spacing 27 1 4 Max 695 mm Hanger Spacing Nuts and Washers both sides of Bracket D8598 Side View Figure 17 Unit sizes 30 120 Heater mounting wood construction 16 TO 24 20 3 4 406 610 527 Joist Centers Joist Hanger Spacing Lag Bolt z Rd and Washer eo D8599 Side View Rear View GTND SVX01B EN Figure 18 Unit sizes 150 400 Flue collar adapter installation FLUE COLLAR ae 3 8 16 THREADED ROD ADAPTER f DRILL SCREWS RECOMMENDED FOR 2 HANGERS ID4913A INSTALL THE FLUE COLLAR ADAPTER TO THE POWER VENTER ASSY AS SHOWN SECURE IN PLACE USING DRILL SCREWS AS SHOWN Figure 19 Unit sizes 150 400 Heater mounting
98. ts 1 foot 2 0 305 m 1 inch water column 0 249 kPa 1 inch 25 4 mm 1 meter second FPM 196 8 1 psig 6 894 kPa 1 liter second CFM x 0 472 1 pound 0 453 kg 1000 Btu per hour 0 293 kW 1 gallon 3 785 L 1000 Btu Cu Ft 375 MJ m 1 cubic foot 0 028 m3 Identification of Parts Figure 2 All unit sizes Propeller parts Fan Guard Motor Hardware Hardware D4430 Note With unit sizes 30 and 45 no rubber grommets are supplied GTND SVX01B EN e TRANE General Information Figure 3 39 21 36 a The orifice shown are for units operating at normal altitudes of 0 to 2000 ft 610 m 32 10 35 Unit sizes 30 120 Unit parts D8600A 13 7 33 9 4 5 31 6 25 D6931B Description I Vestible Panel Tube Assembly Heat Exchanger 2 Bracket Gas Train 3 Manifold 4 Burner Assembly 5 Standard Orifice ta Natural Gas or Propane LP Gas 6 Spark Ignitor 7 Flame Sensor 8 Valve Natural or Propane LP Gas 9 Manual Rollout Safety Switch 10 Transformer 50 VA 115 24 11 Air Pressure Switch 12 Terminal Block Plate 13 High Limit Switch 14 Fan Motor 15 OSHA Fan Guard 16 Standard Fan 17 Fan Guard Motor Mount Hardware Kit 18 Flue Collector 19 Power Venter Draft
99. ugh wall and fasten adapter box in place so that the pipe pitches downward 1 4 inch per foot 21 mm m toward the outside Flash and or caulk pipe on outside wall Install inlet air screen assembly and fasten to pipe with screws Insert a 3 foot length of Type B vent pipe through the concentric vent box opening see Figure 32 p 33 detail A with the UP arrow pointing toward the outside e Unit sizes 30 75 Insert a 3 foot length of 4 inch Type B vent pipe e Unit sizes 90 120 Insert 3 foot length of 5 inch Type B vent pipe Position the pipe to extend 12 inches beyond the inlet air screen Secure the Type B vent pipe in position by drilling three small equally spaced holes through the collar of the concentric vent box and inserting sheet metal screws Install deflector disk on Type B vent pipe 2 1 2 inches 63 5 mm from inlet air screen and fasten with screws Install vent terminal on end of Type B vent pipe fasten with screws and seal joint Connect flue pipe and combustion air pipe from concentric vent box to unit following instructions Combustion Air Venting and Piping p 32 and Exhaust Venting p 32 Joint between Type B vent pipe and single wall vent pipe must be sealed with high temperature silicone sealant see Figure 33 p 34 Collars on unit and on concentric vent box are sized so that crimped ends of combustion air pipes go toward the unit and crimped ends of flue pipes go away from the unit 36 GTND SVX
100. y off or gas supply failed ignitions or pressure too low flame losses Flame sense rod contaminated or loose wire Gas valve switch is off or wires are not connected Broken or cracked porcelain on flame probe or spark ignitor 3 Flashes Pressure Switch Obstructions or restrictions open with inducer in appliance air intake or on or closed with flue outlet are preventing inducer off proper combustion airflow Moisture or debris in tubing that connects pressure Switch and draft inducer Airflow switch jumpered or miswired 4 Flashes Limit or rollout Open manual reset rollout switch is open Switch Gas pressure too high over fire condition Incorrect airflow due to blockage or motor not operating 5 Flashes Flame sensed Flame probe miswired or while gas valve is shortened off 6 Flashes On board Thermostat is interfering microprocessors with control board disagree 49 S TRANE Wiring Diagrams Figure 42 All unit sizes UT Control board z A FLAME _ _ _ 1 1 11 H UNUSED 11 Li ACB HEAT 24VAC ACB COOL 1 24 ACC2 GROUND HUM24 amp OUO m E a HUM CMB BLWR imine LIIT GH 11 28 06881 1097 507 k4 Fox WG R 0643

Trane Gas Unit Heaters Installation and Maintenance Manual

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