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Trane Gas Unit Heaters Catalogue

1. 1 By THE SHIRE NT 2 Front view sizes 100 400 and reducer E 16 000 a 5 num 3 Side view sizes 150 400 increaser if 3 HW required NUES yu NE HD 4 Side view sizes 100 125 fam vent position 2 x i i H Er 2 5 Front view sizes 100 400 shown See Detail G E ano SEEN cuo foroptionaltop vent pes emn 6 Side view sizes 150 400 position web 185 i i E woes sa Ces qme A qe 7 Detail G positions front 24 090 4 E AND REAR H 24 090 Di mee rear right left 2 inches e Dimensions in are in millimeters D DIA FLUE OPENING FIELD INSTALLED AN INCREASER IS SUPPLIED ALTERNATE HORIZONTAL VENT BY THE MFR FOR 300 350 37000 POSITION RIGHT OR LEFT 400 UNIT SIZES 040 REDUCER TD BE SUPPLIED BY 29750 STANDARD VERTICAL VENT POSITION INSTALLER IF UNE S REQ X He es ERN m LONE 4000 102 TE 18000 den i
2. Dimensions in are in millimeters G 1574 2 1 SIDE PANELS ARE REMOVABLE FOR SERVICING at 4 HANGERS 4 X 3 8 16UNC NUT RETAINERS Mic FOR HANGING 2 500 5 500 1 64 440 559 1 4 750 121 RETURN AIR 5 31500 F WIDE Fa HIGH 4835 22 HIGH 559 FILTER B a REAR VIEV Ho 7 BLOWER amp FILTER 1 25 CABINET COMBINATION 1 THRU CAB 4 SIDE VIEW UH PRC002 EN 55 e TRANE Dimensions and Weights Table 30 Factory installed flue vent data standard on high efficiency units Unit Size Input MBh 30 45 60 75 100 125 150 175 200 225 250 300 350 400 Flue Outlet in 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 Recommended Flue Size in 4R 4R 4R 4R 4R 4R 4R 4R 5R 5R 5R 6R 6R 6R Maximum Length of Runta ft 50 50 50 50 50 50 50 50 50 50 50 50 50 50 Notes 1 Horizontal vent pipes should be pitched downward 1 4 inch per foot toward the outlet for condensate drainage 2 Motors are 1 20 hp All fans are 115 V and draw 1 5 amps a Vent pipe equivalent length must not exceed 50 feet Equivalent length is the total length of straight sections plus 15 feet for each 90 elbow and 8 feet for each 45 elbow Blower Housing Mo
3. Two Stage Duct Thermostat Order No 350 0015 08 Low Voltage 24 V 55 to 175 F Range 5 Capillary e 2 W x 5 5 8 H x 2 7 16 D Universal Guard Order No 350 0015 06 Clear Plastic Ring Base Tumbler Lock and Two Keys e Cover 6 7 8 W x 5 5 8 H x 3 D Base 6 9 16 W x 5 1 2 H x 3 8 D gt UH PRC002 EN e Sequence of Operations Typical wiring diagrams and sequence of operations for indoor units with intermittent pilotignition or direct spark ignition are included in this section On duct furnaces the fan motor and associated controls shown in the wiring diagrams are not integral to the unit It is essential however that the air handling system be interlocked with the duct furnace to prevent duct furnace operation without airflow Single Stage Control With power applied to the unit The thermostat calls for heat The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the main gas valve opens Main burners are lit at 100 percent of unit s rated input NOOR WN The fan time delay relay optional on duct furnaces allows the heat exchanger to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor The unit continues to fire until the thermostat is satisfied and no longer call
4. Electronic Modulating 4 20 mA 0 10 Vdc Input Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 40 percent rated input The modulating gas valve shall operate in response to a 4 20 mA or a 0 10 Vdc input from an external DDC control Heat Exchanger Options Type 409 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 409 stainless steel Type 321 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 321 stainless steel UH PRC002 EN e TRANE Mechanical Specifications Additional Options Type 409 Stainless Steel Burners Orifices for Elevations over 2000 feet Type 409 Stainless Steel Draft Diverter Summer Winter Switch Horizontal Louvers Horizontal and Vertical Louvers Side Access Burner Drawer Allows entire burner drawer to slide out from the side of the unit for service or inspection Fan Time Delay Relay The fan time delay relay delays the fan start until the heat exchanger reaches a predetermined temperature It also allows the fan to operate after burner shutdown removing the residual heat from the heat exchanger Recommended on applications that require intermittent fan Field Installed Accessories Natural to LP Propane Gas Conversion Package Standing Pilot Only LP Propane to Natural Gas Conversion Package High Gas Line Pressure Regulator Reduces main gas line pressure to a mini
5. Fans Propeller fan blades are constructed of aluminum with an aerodynamic contour All fans are dynamically balanced for quiet efficient operation and supplied with a protective type fan guard Rubber in shear isolators provide isolation between the fan motor combination and the unit heater casing Centrifugal fan is belt driven with adjustable pitch motor sheave Motor and fan are dynamically balanced for quiet operation 61 e TRANE Mechanical Specifications 62 Centrifugal Unit Motors Standard motors are 115V 60 Hz single phase open drip proof with built in thermal overload protection Optional 230 60 1 motors are available on all units Optional 208 230 460 60 3 motors are available on 125 through 400 MBh units All Motors All motors are 115V 60 Hz single phase open drip proof with built in thermal overload protection and permanently lubricated bearings Controls A factory installed junction box is provided for all power connections Standard units are provided with a 24V combination single stage redundant gas valve consisting of a combination pilot solenoid valve automatic electric gas valve pilot filter pressure regulator pilot adjustment and manual shutoff A flue vent fan relay and combustion air proving switch is also provided as standard Standard equipment includes spark ignited intermittent pilot system with electronic flame supervision A 24V control transformer high limit and fan time delay relay
6. 208 60 3 575 60 3 18 Digit 9 Gas Control Option D Single 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 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 All Units 0 None 409 Stainless Steel Burners B Orifices For Elevation Above 2000 Feet Specify Elevation Propeller Fan Unit Heater High Efficiency and Separated Combustion 409 Stainless Steel Draft Diverter D SummerWinter Switch E Vertical Louvers J Totally Enclosed Motor 7 OSHA Fan Guard Centrifugal Fan Unit Heater High Efficiency and Separated Combustion 409 Stainless Steel Draft Diverter D SummerWinter Switch E Vertical Louvers Duct Discharge
7. e TRANE Mechanical Specifications 60 Two Stage Gas Valve Provides two stages of heat Ignition is at low fire BO percent of the furnace s rated input Requires the use of a two stage thermostat Electronic Modulating Gas Valve Natural Gas Units Only Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 50 percent rated input Available for use with room thermostat or duct thermostat with remote setpoint adjustment Duct thermostat available with optional override room thermostat which causes the unit to go to full fire when the room temperature falls below the override room thermostat Electronic Modulating 4 20 mA 0 10 Vdc Input Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 40 percent rated input The modulating gas valve shall operate in response to a 4 20 mA or a 0 10 Vdc input from an external DDC control Flue Vent Fan Flue vent fan provides power venting Provided factory assembled to a sealed flue collection chamber The flue vent fan is activated in response to a low voltage 24V single stage thermostat Note Thermostat must be ordered A combustion air pressure switch is provided as standard to verify proper powered vent flow prior to allowing the gas valve to operate Factory Installed Options Heat Exchanger Options Type 409 Stainless Steel Heat exchange
8. Vertical Louvers Duct Discharge Flange Centrifugal fan units only Provided in lieu of louvers on units for use with field ductwork Field Installed Accessories LP Propane to Natural Gas Conversion Package High Gas Line Pressure Regulator Natural gas units only Reduces main gas line pressure to a minimum of 7 inches wc water column Pressure at the jobsite must be specified The regulator is selected to accommodate that specific pressure Thermostats Low voltage room thermostat single stage Low voltage room thermostat single stage with summer winter switch Low voltage duct thermostat single stage Low voltage room thermostat two stage Low voltage duct thermostat two stage Universal tamperproof guard for all room thermostats Discharge Nozzles Y Splitter 30 Downward 60 Downward 90 Downward Concentric Vent Terminals Vertical Concentric Vent Kit Kit includes 5 cap with special attached non recirculation disc special 8 cap with 5 hole and concentric vent box Horizontal Concentric Vent Kit Kit includes 5 cap with special attached non recirculation disc inlet air screen and concentric vent box Horizontal Blower Assembly model HBAC General Units are completely factory assembled and have four point suspension hangers and filter racks as standard UH PRC002 EN 67 e TRANE Mechanical Specifications 68 Casing Casings are 18 gauge galvanized steel with baked enamel finish Sid
9. e Indicates Field Wiring 58600 IGNITOR MV SOL S m Indicates Factory Wiring 9 rm PRESS sw 24 HOT Bla 5944 1 See Fan Control p 30 UH PRC002 EN 43 e TRANE Sequence of Operations Separated Combustion Units Single Stage Control Electronic Modulating 4 20 mA 0 10 Vdc Input 1 TRANSP n 00A 24 n b 20 D VAAN UNE TO WARNING FOR PROPER OPERATION 24v SET LOW FIRE SPRING ADJUSTMENT TO 0 90 W C MINIMUM sova SEI HIGH FIRE SPRING ADJUSTMENT 10 3 507 WC 3 2 iyi 44 02 e Electrical Data Table 18 Motor electrical data centrifugal fan Current Full Load Amps 2 Characteristics 1 4 hp 1 3 hp 1 2 hp 374 hp 1hp 115 60 1 5 0 5 9 7 2 11 0 14 0 230 60 1 2 5 3 3 3 9 5 5 7 0 208 60 3 NR NR 2 7 3 1 4 0 230 60 3 NR NR 2 4 2 8 3 6 460 60 3 NR NR 1 2 1 4 1 8 Note NR Motor available but not rated by NEC a FLA based on NEC ratings All motors are 1 725 rpm Table 19 Motor electrical data horizontal blower Current Full Load Amps Characteristics 1 2 hp 1 2 hp 3 4 hp 1 hp 1 1 2 hp 2 hp 3 hp 115 60 1 5 9 7 2 11 0 14 0 16 4 24 6 34 0 230 60 1 3 3 3 9 5 5 7 0 8 2 12 3 17 0 208 60 3 NR 277 3 1 4 0 4 9 6 4 9 2 230 60 3 NR 2 4 2 8 3 6 4 4 5 8 8 6 460 60
10. 15 3 4 15 5 8 25x25x1 1 b 135 mm 1664 660 254 457 540 400 397 kg 61 125 in 65 1 2 26 10 18 21 1 4 15 3 4 18 3738 25x25x1 1 b 135 mm 1664 660 254 457 540 400 467 kg 61 HBAC 20 2000 150 in 65 1 2 26 10 18 21 1 4 15 3 4 18 378 25x25x1 1 b 155 mm 1664 660 254 457 540 400 467 kg 70 175 in 65 1 2 26 10 18 21 1 4 15 3 4 21 1 8 25x25x1 1 b 155 mm 1664 660 254 457 540 400 537 kg 70 HBAC 30 3000 200 in 65 1 2 40 1 2 10 18 35 3 4 30 3 8 23 778 25x20x1 2 b 200 mm 1664 1029 254 457 908 772 606 kg 91 225 in 65 1 2 40 1 2 10 18 35 3 4 30 3 8 26 5 8 25x20x1 2 b 200 mm 1664 1029 254 457 908 772 676 kg 91 250 in 65 1 2 40 1 2 10 18 35 3 4 30 3 8 29 3 8 25x20x1 2 b 200 mm 1664 1029 254 457 908 772 746 kg 91 HBAC 45 4500 300 in 65 1 2 60 1 2 10 18 55 3 4 50 3 8 34 78 25x20x1 3 b 296 mm 1664 1537 254 457 1416 1280 886 kg 134 350 in 69 1 2 60 1 2 14 22 55 3 4 50 3 8 40 3 8 25x20x1 3 b 296 mm 1765 1537 356 559 1416 1280 1026 kg 134 400 in 69 1 2 60 1 2 14 22 55 3 4 50 3 8 45 78 25x20x1 3 b 296 mm 1765 1537 356 559 1416 1280 1165 kg 134 Notes 1 Nominal 4 500 cfm unit has two blowers driven by one motor 2 Transition designed for specific duct furnace referenced in the table above Variations from standard will require field supplied transitions a Size of duct furnace used with horizontal blower assembly b Ship weight is approximate and does not include motor Dimensions are in inches 38 800 24 31 500 4 C
11. for use on LP propane gas Gas heat content varies by fuel type and location The standard gross heating value for natural gas is 1 000 Btu per cubic foot and for propane 2 500 Btu per cubic foot Significant variations from these standard values should be taken into consideration in equipment selections To account for variations in the gross heating value of the fuel adjust the total heat input required and select the unit on the basis of the adjusted load using the following formula Adjusted load Calculated load x gross heat value Btu ft3 Actual gross heat vatue Btu ft3 Low Temperature Rise Trane recommends against the setup of a unit which will result in a temperature rise of less than 30 F With such low temperature rises the flue gases passing through the heat exchanger are cooled to condensate before reaching the flue outlet This condensate is corrosive and will result in shortened heat exchanger life Air Density Catalog performance data is based on elevations up to 2 000 feet above sea level Above 2 000 feet the unit s heating capacity must be derated four percent for each 1 000 feet above sea level and e TRANE Application Considerations special orifice selections are required Table 8 p 24 contains correction factors that can be applied to the unit s cataloged heating capacity fan rpm and fan bhp to obtain actual values for elevations above 2 000 feet Corrosive Atmospheres Corrosion of heat exchan
12. pti 36 250 19200 Array 12 000 m o o azza so dE ae gee us 201 4 al ey FRONT AND REAR OPENING ACCESS _ OPENING ue re 4750 455 y T Be i SIDED Ta 8 0 0 1 0088 AIR FLOW eit 479 AND 03616 fa 26 000 gt 79 fe 26 000 UH PRC002 EN 53 e TRANE Dimensions and Weights Table 28 Separated combustion indoor gas duct furnaces model GMND GMPD Input D Gas Inlet Model MBh A B C Dia Nat LP Weight 010 100 in 17 7 8 15 1 2 17 1 8 4 1 2 1 2 b 161 mm 454 394 435 102 kg 73 012 125 in 20 5 8 18 1 4 19 7 8 4 1 2 1 2 b 180 mm 524 464 505 102 kg 82 015 150 in 20 5 8 18 1 4 19 7 8 4 1 2 1 2 b 188 mm 524 464 505 102 g 85 017 175 in 23 3 8 21 22 5 8 4 1 2 1 2 b 207 mm 594 533 575 102 kg 94 020 200 in 26 1 8 23 3 4 25 3 8 5 1 2 1 2 b 227 mm 664 603 645 127 kg 103 022 225 28 7 8 26 1 2 28 1 8 5 3 4 1 2 or 3 410 246 733 673 714 127 kg 112 025 250 in 31 5 8 29 1 4 30 7 8 5 3 4 1 2 or 3 410 266 mm 803 743 784 127 kg 121 030 300 in 37 1 8 34 3 4 36 3 8 6 3 4 1 2 or 3 410 305 mm 943 883 924 152 kg 138 035 350 in 42 5 8 40 1 4 41 7 8 6 3 4 1 2 or 3 410 344 mm 1083 1022 1064 152 kg 156 040 400 in 48 1 8 45 3 4 47 3 8 6 3 4 1 2 or 3 410 383 mm 1222 116
13. 0 5 psi 14 inches water column on natural gas If the main gas supply pressure is greater than 14 inches wc a step down pressure regulator must be field installed ahead of the gas valve Minimum inlet pressure for natural gas units is 5 inches we For LP propane gas the minimum inlet pressure is 11 0 inches wc and the maximum inlet pressure is 14 0 inches we High Pressure Regulators Natural Gas Only The Trane indoor gas heating products contained in this catalog are designed to operate at a pressure of 3 5 inch wc water column when firing on natural gas This is the manifold pressure or that which is present at the burner orifices All five and six function valves provide a built in pressure regulator which is capable of reducing supply pressures from a maximum of 14 inch wc 1 2 psi down to 3 5 inch wc on the leaving side of the valve The valve typically drops about 1 1 2 inches so the minimum supply pressure is 5 inch wc Whenever supply pressures exceed 14 inches wc a high pressure regulator should be selected We supply a Rockwell regulator which is fitted with pressure springs and capacity orificing to meet the requirements of each specific job In order to select the proper spring orifice combination we need to know what the supply pressure is on that particular job and the input size of the unit being ordered Morethan one unitcan be run from one regulator however we recommend that each unit have its own
14. 2 875 1 1 2 890 1 1 2 1 652 0 56 0 75 0 75 0 75 0 75 1 12 1 12 1 12 HBAC 45 4 500 12 2 750 400 3 4 450 3 4 510 3 4 1 298 0 56 0 56 0 56 3 000 425 3 4 475 3 4 550 3 4 600 3 4 650 3 4 1 416 0 56 0 56 0 56 0 56 0 56 3 500 430 3 4 480 3 4 560 3 4 610 3 4 660 3 4 700 1 730 1 1 652 0 56 0 56 0 56 0 56 0 56 0 75 0 75 4 000 450 3 4 500 3 4 565 3 4 615 3 4 670 1 710 1 740 1 790 1 1 888 0 56 0 56 0 56 0 56 0 75 0 75 0 75 0 75 4 500 475 3 4 525 3 4 575 3 4 620 1 680 1 715 1 750 1 800 1 1 2 2 124 0 56 0 56 0 56 0 75 0 75 0 75 0 75 1 12 5 000 500 3 4 540 3 4 600 1 630 1 690 1 720 1 12 760 1 1 2 810 1 1 2 2 360 0 56 0 56 0 75 0 75 0 75 1 12 1 12 1 12 5 500 530 1 575 T 615 1 650 1 1 2 700 1 1 2 700 1 1 2 730 1 1 2 820 1 1 2 2 596 0 75 0 75 0 75 1 12 1 12 1 12 1 12 1 12 6 000 575 1 1 2 615 1 1 2 660 1 1 2 690 1 1 2 715 1 1 2 760 2 800 2 830 2 2 832 1 12 1 12 1 12 1 12 1 12 1 49 1 49 1 49 6 500 610 1 1 2 660 2 710 2 750 2 800 2 840 2 890 3 930 3 3 068 1 12 1 49 1 49 1 49 1 49 1 49 2 24 2 24 7 000 720 1 1 2 790 2 830 2 860 2 910 3 940 3 960 3 3 304 1 12 1 49 1 49 1 49 2 24 2 24 2 24 7 500 800 2 860 2 900 3 930 3 960 3 3 540 1 49 1 49 2 24 2 24 2 24 8 000 860 2 930 3 960 3 3 776 1 49 2 24 2 24 Note External Static Pressure in inches of water Add pressure drop of indoor duct furnace if used to pressure drop of ductwork to determine total external static pressure HBAC units are for use with specific duct furnace sizes Reference Table 29 p
15. 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 Approximate Shipping Weight Ib 262 279 314 336 363 408 427 471 561 594 kg 119 127 142 152 165 185 194 214 254 269 a The flue opening on all GB units is 5 1 8 diameter Therefore a transition adapter is required by installer on these units ere 50 X Flue size dio A Field supplied reducer is required on 100 125 150 175 sizes 37373 4 549 30625 4 H 0779 13632 21 Hongers e562 d Mtg holes 1007400 ince 7 X Flue size dio required eoser is supplied mfr for 300 350 400 sizes 37 375 amp 49 _ 3065 79 by 562 X C pilot access I 26 750 679 1000 25 Flange around optional duct Flange ossy 1625 41 i 2 Hongers yiti L M A 44 x 295 Ad justoble horizontot 125 slots Std vertical vent posi Alternote Field horizontal vent de For 150 400 MBTU Hr le ition instolled posit Dscharge 18000 57 opening i osition t for 100 400 MBTU Hr unit sizes Discharge F pening p 1 Sideview sizes 100 200 2 Sideview sizes 225 400 3 Front view sizes 100 400 Canadian units include vent
16. 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 mm 794 794 921 921 921 921 921 921 921 921 B Width of Unit in 17 875 20 625 20 625 23 375 26 125 28 875 31 625 37 125 42 625 48 125 mm 454 524 524 594 664 733 803 943 1083 1222 C Height to Top of Hanger in 34 125 34 125 39 125 39 125 39 125 39 125 39 125 39 125 39 125 39 125 mm 867 867 994 994 994 994 994 994 994 994 D Depth to Rear of Housing in 42 625 44 25 44 25 47 47 51 51 48 25 51 51 mm 1083 1124 1124 1194 1194 1295 1295 1226 1295 1295 E Hanging Distance Width in 14 5 17 25 17 25 20 22 75 25 5 28 25 33 75 39 25 44 75 mm 368 438 438 508 578 648 718 857 997 1137 F Discharge Opening Width in 15 375 18 125 18 125 20 875 23 625 26 375 29 125 34 625 40 125 45 625 mm 391 460 460 530 600 670 740 879 1019 1159 to Centerline of Flue in 5 875 7 25 7 25 8 625 10 11 25 12 75 15 5 18 25 21 mm 149 184 184 219 254 286 324 394 464 533 Hanger Location in 16 375 16 375 16 375 16 375 16 375 16 375 16 375 16 375 16 375 16 375 mm 416 416 416 416 416 416 416 416 416 416 M Hanging Distance Depth in 16 375 16 375 16 375 17 875 17 875 21 875 21 875 21 875 21 875 21 875 mm 416 416 416 454 454 556 556 556 556 556 Flue Size Diameter in 4 4 4 4 5 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 152 Blower Size in 9 10 10 12 12 12 12 2 10 2 12 2 12 Gas Inlet Natural Gas in 0 5 0 5 0 5 0 5 0 5 0 75 0 75 0 75 0 75 0 75 Gas Inlet LP Gas in 0 5 0 5 0 5 0 5 0 5 1
17. 3 NR 1 2 1 4 1 8 2 2 2 9 4 3 Motor weight Ib 18 33 33 36 39 40 44 Note NR Motor available but not rated by NEC a FLA based on NEC ratings All motors are 1 725 rpm UH PRC002 EN 45 TRANE Dimensions and Weights Table 20 Tubular Heat Exchanger dimensional data model GTND GTPD Unit Sizes 30 45 60 75 90 105 120 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 DI Center Line Height of Flue in 8 1 2 8 1 2 10 378 10 3 8 13 5 8 13 5 8 13 5 8 mm 216 216 364 364 346 346 346 02 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 7 16 14 7 16 21 3 16 21 3 16 21 3 16 mm 275 275 367 367 538 538 538 G 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 Flue Size Requirements
18. 37 0 56 0 56 0 56 0 56 0 75 0 75 Type SHP SHP SHP SHP SHP SHP SHP SHP CS CS rpm 1 725 1 725 1 725 1 725 1 725 1 725 1 725 1 725 1 725 1 725 Amps at 115V 5 1 6 6 7 4 7 4 12 0 12 0 12 0 12 0 15 4 15 4 Notes 1 Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated 4 percent for each 1 000 feet above sea level transformer WN SPH Split Phase CS Capacitor Start 0 2 maximum external static pressure Standard motors 115V 60 Hz single phase open drip proof The flue vent fan motors used on all high efficiency units are 115 60 1 1 20 hp and 1 5 amps All other voltages will require an additional UH PRC002 EN e TRANE Performance Data Table 12 Separated Combustion Propeller Fan Gas Unit Heater performance data model GAND GAPD Unit Size 010 012 015 017 020 022 025 030 035 040 Input MBh 100 125 150 175 200 225 250 300 350 400 kW 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Output MBh 80 100 120 140 160 180 200 240 280 320 kW 23 4 29 3 35 1 41 0 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 80 80 80 80 80 80 80 80 80 80 Free Air Delivery cfm 1480 1650 2200 2530 2640 2700 3100 4400 5000 5300 m3 s 0 699 0 779 1 038 1 194 1 246 1 274 1 463 2 077 2 360 2 502 Air Temperature Rise F 50 56 50 B1 56 61 60 50 52 56 C 28 31 28 28 31 34 33 28 29 31 Output Velocity fpm 775 910 1045 1070 1000 950
19. 5 23 5 31 4 90 4 75 4 72 5 49 5 54 5 08 Full Load Amps at 115V 8 3 9 8 10 6 10 6 15 2 15 2 15 2 15 2 18 6 18 6 Motor Data hp 1 4 1 3 1 2 1 2 3 4 3 4 3 4 3 4 1 1 kW 0 19 0 25 0 37 0 37 0 56 0 56 0 56 0 56 0 75 0 75 Type SPH SPH SPH SPH SPH SPH SPH SPH CS CS rpm 1725 1725 1725 1725 1725 1725 1725 1725 1725 1725 Amps at 115V 5 1 6 6 7 4 7 4 12 0 12 0 12 0 12 0 15 4 15 4 Notes 1 Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated 4 percent for each 1 000 feet above sea level 2 Standard motor is 115 60 1 open drip proof 3 SPH Split Phase CS Capacitor Start 26 UH PRC002 EN Table 14 High Efficiency Indoor Gas Duct Furnace performance data model GLND GLPD e TRANE Performance Data Input MAX MIN Output MIN Temp Rise P D MAX Temp Rise P D Unit Size kW MBh kW KW cfm m s F C of H20 kPa cfm m s F of H20 Pascals 010 100 293 50 14 6 80 23 4 929 0 438 80 44 0 12 0 03 2469 1 165 30 17 0 85 0 21 012 125 36 6 62 5 18 3 100 29 3 1157 0 546 80 44 0 13 0 03 3086 1 457 30 17 0 85 0 21 015 150 43 9 75 22 0 120 35 1 1389 0 656 80 44 0 15 0 04 3704 1 748 30 17 0 85 0 21 017 175 51 2 87 5 25 6 140 41 0 1620 0 765 80 44 0 14 0 03 4321 2 040 30 17 0 85 0 21 020 200 58 6 100 29 3 160 46 9 1852 0 874 80 44 0 14 0 03 4938 2 331 30 17 0 85 0 21 022 225 659 112 5 32 9 180 52 7
20. 55 28 02 e TRANE Performance Data Figure 10 Performance data curves for all duct furnaces m s 0 4 2 3 4 5 6 7 5 z o 8 a g 5 2 a QO E NN CNGONOS ks d 8T E ma EE DUE INE ER e 10 0 2000 4000 6000 8000 10000 12000 14000 16000 Airflow 29 UH PRC002 EN S TRANE Controls Gas Controls 30 Pilot Control High efficiency units centrifugal propeller and duct furnaces ship as standard with intermittent pilot ignition The separated combustion propeller and centrifugal fan unit heaters also ship as standard with intermittent pilot ignition Intermittent pilot ignition contains a solid state ignition control system that ignites the pilot by spark for each cycle of operation When the pilot flame is proven the main burner valve opens to allow gas flow to the burners Both the pilot and burners are extinguished during the off cycle Intermittent pilot ignition is ideal for limited access installations where manual lighting of the pilot may be difficult Nuisance pilot outages on units mounted in areas subject to occasional severe drafts can also be eliminated Energy savings will be realized using this system as the pilot
21. 737 lt 38 719 983 Dimensions in are in millimeters 52 02 e TRANE Dimensions and Weights Table 27 High efficiency duct furnaces model GLND GLPD Input D Gas Inlet Model MBh A B Dia F Nat LP Weight 010 100 in 17 875 15 5 17 125 4 23 875 1 2 1 2 Ib 173 mm 454 394 435 102 606 kg 78 012 125 in 20 625 18 25 19 875 4 25 625 1 2 1 2 Ib 186 mm 524 464 505 102 651 kg 84 015 150 in 20 625 18 25 19 875 4 26 625 1 2 1 2 Ib 197 mm 524 464 505 102 676 kg 89 017 175 in 23 375 21 22 625 4 29 375 1 2 1 2 Ib 216 mm 594 533 575 102 746 kg 98 020 200 in 26 125 23 75 25 375 5 32 125 1 2 1 2 Ib 232 mm 664 603 645 127 816 kg 105 022 225 28 875 26 5 28 125 5 34 875 3 4 1 2 or 3 4 6 254 733 673 714 127 886 kg 115 025 250 in 31 625 29 25 30 875 5 37 625 3 4 1 2 or 3 46 263 mm 803 743 784 127 956 kg 119 030 300 in 37 125 34 75 36 375 6 43 125 3 4 1 2 or 3 46 312 mm 943 883 924 152 1095 kg 142 035 350 in 42 625 40 25 41 875 6 48 625 3 4 1 2 or 3 46 389 mm 1083 1022 1064 152 1235 kg 176 040 400 in 48 125 45 75 47 375 6 54 125 3 4 1 2 or 3 46 403 mm 1222 1162 1203 152 1375 kg 183 Side view sizes 100 125 Canadian units include vent cap D DIA FLUE DPENING AN INCREASER IS SUPPLIED E MFR FUR 300 350 FIELD INSTALLED ALTERNATE HORIZONTAL VENT 5 REDUCER TD BE SUPPLIED BY
22. Approximate Shipping Weight Ib 200 228 256 284 312 340 368 432 488 545 kg 91 103 116 129 142 154 167 196 221 247 a The flue opening on all units is 5 1 8 diameter Therefore a transition adapter is required by installer on these units UH PRC002 EN ALTERNATE VERTICAL VENT POSITION FOR 100 400 ALTERNATE HORIZONTAL RIGHT VENT POSITION FOR soo N VENT POSITION MAY BE FI HORIZONTAL RIGHT OR VERTICAL IELD AJUSTEDTO OUTLETS DISCHARGE OPENING I e F DIA FLUE SIZE REQUIRED AN INCREASER IS SUPPLIED BY THE MFR FOR 300 350 400 UNIT SIZES THE REDUCERTO BE SUPPLIED BY THE INSTALLER IF ONE IS REQUIRED STANDARD HORIZONTAL LEFT VENT POSITION FOR 100 400 12 HANGERSWITH 37 375 949 x 30 625 779 4 MOUNTING OLES 12750 451 ADJUSTABLE Vac un B n DISCHARGE AIR INLET 37 375 949 30 625 779 12760 459 1 26 750 meni 26 750 679 gt 1 29 000 737 29 000 737 gt lt 38 719 983 38 719 983 1 Front view sizes 100 400 2 Sideview sizes 100 200 3 Sideview sizes 225 400 Note Air intake is round on 225 250 units For 300 400 units air intake is as shown Canadian units include vent cap and reducer increaser
23. C T 4 E 1 rd gk x x we 1 22516 APROX a 1 30 nozzle 2 60 nozzle 287 APROX wim enn mr var rr Mc d y 3 90 nozzle Note 30 60 and 90 nozzles are shipped unassembled with bagged hardware and field assembling and installation instruction sheet The six 6 louvers and louver springs are removed from the unit heaters and transferred to the nozzles in the field 4 Y splitter UH PRC002 EN Table 32 Nozzle dimensional data Unit MBh 100 125 150 175 200 225 250 300 350 400 A in 17 44 20 19 20 19 22 94 25 69 28 44 31 19 36 69 42 19 47 69 mm 445 513 513 583 653 722 792 932 1072 1211 B in 15 368 18 118 18 118 20 868 23 618 26 368 29 118 34 618 40 118 45 618 mm 391 460 460 530 600 670 740 879 1019 1159 Table 33 Y splitter dimensional data Unit MBh 100 125 150 175 200 225 250 300 350 400 Width in 15 3 8 18 1 8 18 1 8 20 778 23 558 26 3 8 29 1 8 34 5 8 40 1 8 45 5 8 mm 391 461 461 527 600 671 740 880 1019 1159 Height in 21 1 8 21 118 21 08 21 118 21 08 21 8 21 08 2131 8 21 08 21 1 8 mm 537 537 537 537 537 537 537 537 537 537 Depth in 1i 1i 11 11 11 13 1 8 13 1 8 15 1 8 20 558 20 5 8 mm 279 279 279 279 279 334 334 384 524 524 57 TRANE Mechanical Specifications Tubular Heat Exchanger Indoor Ga
24. Category Horizontal in 4 4 4 5 5 5 5 mm 102 102 102 127 127 127 127 Category 11 Horizontal in 4 4 4 4 4 4 4 mm 102 102 102 102 102 102 102 Category T amp TIT Vertical in 4 4 4 4 4 4 4 mm 102 102 102 102 102 102 102 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 32 34 41 43 50 52 54 Note For all installations the flue collar is included with the unit and should be field installed per the instructions included with the unit a 4 5 reducer supplied where required 16 406 mm Hanger Spacing 27 5 16 694 mm Maximum Hanger Spacing 24 610 mm Hanger Spacing D8597 Top View 18 247 464 mm oro Discharge Vent Opening Connections Adjustable 750 E Fan 2 Louvers 19 mm I d Discharge Di _ d Eos om L 19 3 4 A 566 102 mm 502 mm N 762 mm 19 mm Gas onn on 27 mm N 1 2 N Natural amp Propane 6 Panel 152 mmi Front Vi 8 Electrical 9 n ront View Rear View 203 mm Connection Side View 46 02 e TRANE Dimensions and Weights Table 21 Tubular Heat Exchanger unit heater dimensional data model GTND
25. Disconnect power before 1 servicing LB e Unit must be grounded MOTOR e Use copper conductors only e If any of the original wire as supplied with the appliance must be replaced it must be replaced with wiring n material having a temperature rating wee of at least 125 C DUCTSTAT 5 gt zb Bi RC UA Be HIGH LIMIT S8600 e High limit and blocked vent spill wires minimum 200 C STAGE 1 3 IGNITUR MV SDL MV e Refer to installation instructions for venting gas piping and start up procedures BLOCKED e Indicates Field Wiring e ___ Indicates Factory Wiring TIME DELAY STAGE 2 MV SOL 1 See Fan Control p 30 UH PRC002 EN e TRANE Sequence of Operations Electronic Modulating Control with duct thermostat UH PRC002 EN With power applied to the unit WN 10 11 The thermostat calls for heat The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the gas valve opens Main burners are lit at 100 percent of unit s rated input The fan time delay relay optional on duct furnaces allows the heat exchanger to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor The unit is controlled by the duct thermostat which modulates the unit from 100 to 50 percent o
26. Draft Diverter Totally Enclosed Motor Orifices for elevations over 2000 feet 02 e TRANE Mechanical Specifications Summer Winter Switch Vertical Louvers Duct Discharge Flange Centrifugal fan units only Provided in lieu of louvers on units for use with field ductwork OSHA Fan Guards OSHA fan guards are available as a factory installed or field installed option Field Installed Accessories LP Propane to Natural Gas Conversion Package High Gas Line Pressure Regulator Natural gas units only Reduces main gas line pressure to a minimum of seven inches wc water column Pressure at the jobsite must be specified The regulator is selected to accommodate that specific pressure Thermostats Low voltage room thermostat single stage Low voltage room thermostat single stage with summer winter switch Low voltage duct thermostat single stage Low voltage room thermostat two stage Low voltage duct thermostat two stage Universal tamperproof guard for all room thermostats Discharge Nozzles Y Splitter 30 Downward 60 Downward 90 Downward Concentric Vent Terminals Vertical Concentric Vent Kit Kit includes 5 cap with special attached non recirculation disc special 8 cap with 5 hole and concentric vent box Horizontal Concentric Vent Kit Kit includes 5 cap with special attached non recirculation disc inlet air screen and concentric vent box High Efficiency Indoor Gas Duct F
27. Figure 1 Steel Construction Channel Threaded Rod Washer amp Nut Std Beam Rod Saddle Nut amp Washer ziraten E ME d Malleable Iron Bolt Threaded Pipe Threaded Rod Malleable Iron Bolt Joist Washer amp Nut 2 x 6 Lag Bolted Across Joists amp Washer Unit Heaters Throw Data Throw data for units with standard louvers and for units with optional discharge nozzles are in General Data p 20 Optional nozzles are for use on propeller fan unit heaters centrifugal fan unit heaters and duct furnaces When greater throw distance is desired a 45 nozzle is recommended For high mounting heights a 90 nozzle may be used When wide diffusion is needed a Y splitter nozzle should be considered A five way nozzle can be used for applications requiring even air e TRANE Application Considerations 10 distribution over a large floor area Five way nozzles are not available on propeller fan unit heaters Indoor Units Venting Gas fired indoor units require venting to remove the products of combustion To help assure safe trouble free operation follow the guidelines listed below Power Vented Units Units with a factory installed flue vent fan 1 All units must be vented Power vented units are designed to use single wallvent pipe A Breidert Type L Field Starkap or equivalent unit vent cap must be furnished by the customer 2 Th
28. Flange J Totally Enclosed Motor Duct Furnace Indoor High Efficiency C 409 Stainless Steel Draft Diverter D SummerWinter Switch F Horizontal Louvers G Horizontal and Vertical Louvers K Side Access Burner Drawer Left Hand L FanTime Delay Control M Side Access Burner Drawer Right Hand Separated Combustion Indoor Duct Furnace C 409 Stainless Steel Draft Diverter D SummerWinter Switch Horizontal Louvers Horizontal and Vertical Louvers Propeller Type Tubular Heat Exchanger J Totally Enclosed Motor 7 OSHA Fan Guard 1 Not available for tubular 2 The left or right hand side of the side access burner drawer options K amp M is determined by facing the air outlet side of the duct furnace 02 Horizontal Blower Assembly Digit 1 2 3 Horizontal Blower Assembly Digit 4 Development Sequence Third Generation Digit 5 6 Blower Size 15 Nominal 1500 cfm 20 Nominal 2000 cfm 30 Nominal 3000 cfm 45 Nominal 4500 cfm Digit 7 Transition Size Specifies Duct Furnace Size 0 None 100 MBh 225MBh 125 MBh 250MBh 150MBh H 300MBh D 175 MBh J 350MBh E 200MBh K 400MBh Digit 8 Main Power Supply 115 60 1 D 230 60 3 230 607 E 460 60 3 208 60 3 Digit 9 Motor Horsepower 1 3 D 1 12hp 1 1 2 3 4hp 2hp Digit 10 Desi
29. are provided The fan time delay relay delays the fan start until the heat exchanger reaches a predetermined temperature It also allows the fan to operate after burner shutdown removing residual heat from the heat exchanger Electronic Modulating 4 20 mA 0 10Vdc Input Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 40 percent rated input The modulating gas valve shall operate in response to a 4 20 mA or a 0 10 Vdc input from an external DDC control Flue Vent Fan Flue vent fan provides power venting Provided factory assembled to a sealed flue collection chamber The flue vent fan is activated in response to a low voltage 24V single stage thermostat Note The thermostat is not included with the gas control option A combustion air pressure switch is provided as standard to verify proper powered vent flow prior to allowing the gas valve to operate Factory Installed Options Two Stage Gas Valve Provides two stages of heat Ignition is at low fire BO percent of the furnaces rated input Requires the use of a two stage thermostat Heat Exchanger Options Type 409 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 409 stainless steel Type 321 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 321 stainless steel Additional Options Type 409 Stainless Steel Burners Type 409 Stainless Steel
30. as installation time High Efficiency Centrifugal Fan Unit Heaters The high efficiency centrifugal fan unit heater keeps energy costs down The design advances achieve annual fuel savings of 20 to 25 percent over conventional gravity vented heaters The high efficiency centrifugal unit features integral power venting factory installed and sealed flue collector for optimum combustion Electronic spark ignition reduces pilot gas losses and the power venter allows for horizontal venting through side walls It adds up to higher seasonal efficiencies and lower installation time High Efficiency Indoor Duct Furnace The high efficiency indoor gas duct furnace complements our current centrifugal and propeller fan lines All high efficiency lines were designed to achieve fuel savings of up to 25 percent over conventional gravity vented heaters Conventional gravity vented heaters lost heated room airthrough the draftdiverter opening The high efficiency line features an integral flue vent fan and sealed flue collector for improved combustion It reduces air requirements and wind effects on the system s efficiency Intermittent pilot ignition reduces pilot gas losses and the flue vent fan allows for horizontal venting through side walls Note DUCT FURNACES ARE APPROVED FOR BLOW THROUGH APPLICATIONS ONLY Horizontal Blower Assemblies Trane horizontal blower assemblies have been specially designed for air handling systems of high static pressur
31. dm Output x 1 000 X Output x 1 000 Pd 1 085 x cfm Knowing the mounting height of the unit throw can be determined from the performance data table If the throw is not adequate a discharge nozzle can be used to obtain additional throw Selection Example An LP Propane gas centrifugal fan unit heater that can provide 150 MBh heating output is required An airflow of 2 000 cfm is desired The unit will be mounted 12 feet above the floor and a 65 foot throw is required Select the unit as follows a From Table 11 p 25 select a GBPD 020 with a 200 0 MBh input and 160 0 MBh heating output An airflow of 2 000 cfm is within the allowable range and temperature rise is calculated as follows m MBh x 1 000 1 085xy 8u _ 160 5000 74 05 b From Table 3 p 20 throw at 12 foot mounting height is 61 feet As a 61 foot throw is not adequate a 60 degree nozzle can be selected from Table 5 p 21 which provides a throw of 76 feet UH PRC002 EN UH PRC002 EN e TRANE Selection Procedure High Efficiency Duct Furnace 1 From the performance data tables select the unit whose heating output meets or exceeds the heating load requirement Given the airflow to be supplied to the duct furnace temperature rise and pressure drop through the duct furnace can be read directly from the performance data charts If the air temperature rise is below 30 F some supply air must be bypassed around the duct furnace If
32. enamel The bottom panel is easily removed to provide service access to the burners pilot and orifice All units provided with independently adjustable horizontal louvers with stops to prevent total closure Heat Exchanger Standard heat exchanger construction consists of seam welded 20 gauge aluminized steel tubes and 18 gauge aluminized steel headers Burners Burners are die formed corrosion resistant aluminized steel with stainless steel port protectors Port protectors prevent scale or foreign matter from obstructing the burner ports Burners individually removable for ease of inspection and servicing Each burner is provided with an individually adjustable manually rotated air shutter adjustment Controls A factory installed junction box is provided for all power connections Standard units are provided with a 24V combination single stage redundant gas valve consisting of a combination pilot solenoid valve automatic electric gas valve pilot filter pressure regulator pilot adjustment and manual shutoff A flue vent fan relay and combustion air proving switch is also provided as standard Standard equipment includes spark ignited intermittent pilot system with electronic flame supervision A 24V control transformer high limit and fan time delay relay are provided The fan time delay relay delays the fan start until the heat exchanger reaches a predetermined temperature It also allows the fan to operate after burner shutdown removing r
33. if required Dimensions in are in millimeters 51 e TRANE Dimensions and Weights Table 26 Separated combustion centrifugal fan unit heater dimensional data model GKND GKPD Unit Sizes 100 125 150 175 200 225 250 300 350 400 A Height to Top of Unit in 31 25 31 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 mm 794 794 921 921 921 921 921 921 921 921 B Height to Top of Hanger in 34 062 34 062 39 062 39 062 39 062 39 062 39 062 39 062 39 062 39 062 mm 865 865 992 992 992 992 992 992 992 992 C Hanging Distance Width in 14 75 17 5 17 5 20 25 23 25 75 28 5 34 39 5 45 mm 375 445 445 514 584 654 724 864 1003 1143 D Discharge Opening Width in 15 375 18 125 18 125 20 875 23 625 26 375 29 125 34 625 40 125 45 625 mm 391 460 460 530 600 670 740 879 1019 1159 E Width of Unit in 17 875 20 625 20 625 23 375 26 125 28 875 31 625 37 125 42 625 48 125 mm 454 524 524 594 664 733 803 943 1083 1222 F to Centerline of Flue in 5 875 7 25 7 25 8 625 10 11 25 12 75 15 5 18 25 21 mm 149 184 184 219 254 286 324 394 464 533 G Hanging Distance Depth in 18 5 18 5 18 5 20 20 23 23 23 23 23 mm 470 470 470 508 508 584 584 584 584 584 H Depth to Rear of Housing in 42 75 44 375 44 375 47 187 47 187 50 875 48 50 875 50 875 51 mm 1086 1127 1127 1199 1199 1292 1219 1292 1292 1295 Flue Size Diameter in 4 4 4 4 5 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 15
34. is extinguished during the off cycle Intermittent pilot ignition should be considered on units that have long shutoff periods Fan Control The supply fan motor is activated directly through the fan time delay relay on indoorunits provided with single phase motors up to one hp Contactors or starters are required on all other units with single phase motors 1 1 2 hp and above and with all three phase motors On indoor units contactors and starters where required are provided see Table 17 Table 17 Contactors provided on indoor units hp Voltage 1 2 374 1 1 1 2 2 3 5 7 1 2 10 115 60 1 1 1 1 2 2 N A N A N A N A 230 60 1 I 1 1 2 2 N A N A N A N A 208 60 3 2 2 2 2 2 2 2 4 4 230 60 3 2 2 2 2 2 2 2 4 4 460 60 3 3 3 3 3 3 3 3 5 5 Notes Contactors not required or provided on units with single phase motors up to one hp Provided with contactor with line voltage holding coil on all 1 1 2 hp and above single phase motors and on all 208 230V three phase motors up to five hp Provided with contactor with low 24V holding coil on all 460 V three phase motors up to five hp Provided with size 2 starter on all units with 7 1 2 and 10 hp 208 230V three phase motors Provided with size 1 starter on all units with 7 1 2 and 10 hp 460V three phase motors Single Stage Control Indoor gas heating units are provided with an automatic single stage gas valve as standard This valve is an on off type c
35. the total heating load requirements in accordance with methods recommended by the ASHRAE Handbook of Fundamentals or other acceptable means High Efficiency Propeller Fan Unit Heater 1 From the performance data tables select the unit whose heating output meets or exceeds the heating load requirement Airflow cfm and temperature rise can be read directly from the performance data tables Knowing the mounting height of the unit throw can be determined from the performance data table If the throw is not adequate consider using a larger propeller fan unit heater or a centrifugal fan unit heater with an optional discharge nozzle for greater throw Selection Example A natural gas propeller fan unit heater that can provide 75 MBh heating output is required The unit will be mounted 10 feet above the floor and a 40 foot throw is required Select the unit as follows a From Table 10 p 25 selecta GHND 010 with 100 0 MBh input and 80 0 MBh heating output 1 480 cfm and a 50 F temperature rise b From Table 3 p 20 throw at a mounting height of 10 feet is 54 feet High Efficiency Centrifugal Fan Unit Heater 1 From the performance data tables select the unit whose heating output meets or exceeds the heating load requirement Airflow cfm ranges are listed for each unit size in the performance data tables Knowing either the desired airflow or temperature rise the other can be calculated using the following formulas
36. to a 4 20 mA or a 0 10 Vdc input from an external DDC control 31 e TRANE Controls Thermostats Electronic Modulating Room Thermostat Included with Gas Control e Low Voltage 24 V 60 to 85 F Range 5 13 16 W 3 1 4 H 1 7 8 D Natural Gas Only Electronic Modulating Duct Thermostat Included with Gas Control Low Voltage 24 V 55 to 90 F Range Sensor 10 inch Probe Remote Temperature Selector 4 1 4 W 4 1 4 H 1 7 8 D Duct Thermostat 4 1 4 W 4 1 4 H 1 5 8 D Natural Gas Only Electronic Modulating Override Room Thermostat for use with Duct Thermostats Order No 350 0015 05 Line Voltage 115 V 50 to 90 F Range e 2 7 8 W 4 9 16 1 1 4 D Natural Gas Only 32 Single Stage Room Thermostat Order No 350 0015 01 Low Voltage 24 V 55 to 95 F Range e 2 7 8 W x 4 3 4 x 1 1 8 D 50 60 70 80 90 Single Stage Room Thermostat with Summer Winter Switch Order No 350 0015 02 Low Voltage 24 V 55 to 95 F Range Fan Auto On Switch e 3 1 2 W x 4 1 5 Hx 1 3 8 D Two Stage Room Thermostat Order No 0135 THT025320 01 or 0135 THTO2532G 01 with guard Low Voltage 24 V 42 to 88 F Range Fan Auto On Switch System Off Auto Switch e 5 5 8 W x 3 1 2 2 1 8 D Single Stage Duct Thermostat Order No 350 0015 07 Low Voltage 24 V 55 to 175 F Range 5 Capillary e 2 W x 5 5 8 H x 2 7 16 D
37. 04 1 06 1 09 1 12 1 15 1 19 Fan bhp 1 00 1 07 1 12 1 18 1 25 1 33 1 41 Notes 1 For high altitude installations above 2 000 feet reduce ratings 4 percent for each 1 000 feet above sea level 2 Multiply standard unit by correction factor to get actual input and required rpm and hp Table 9 Tubular Heat Exchanger performance data model GTND GTPD Unit Size 003 004 006 007 009 011 120 015 017 020 025 030 035 040 Input MBh 30 45 60 75 90 105 120 150 175 200 250 300 350 400 kW 8 8 13 2 17 6 22 0 26 4 30 8 35 2 43 9 51 2 58 6 73 2 87 8 102 5 117 1 Output MBh 24 9 37 35 49 8 61 5 73 8 86 1 98 4 124 5 145 25 166 0 207 5 249 0 290 5 332 0 kW 7 2 10 9 14 5 18 0 21 6 25 2 28 8 36 4 42 5 48 6 60 7 72 9 85 1 97 2 Thermal Efficiency 83 83 83 82 82 82 82 83 83 83 83 83 83 83 Free Air Delivery cfm 370 550 740 920 1 100 1 300 1 475 2 400 2 850 3 200 3 450 5 000 5 600 5 800 m3 s 0 175 0 260 0 349 0 434 0 519 0 614 0 696 1 133 1 346 1 511 1 629 2 361 2 644 2 738 Air Temperature Rise 60 60 60 60 60 60 60 47 46 47 54 45 47 51 IG 15 15 15 15 15 15 15 26 26 26 30 25 26 28 Full Load Amps at 120V 3 0 3 0 4 1 4 1 6 4 6 4 6 4 5 8 8 0 8 0 8 0 11 3 13 5 13 5 Motor Data hp 1 20 1 20 1 12 1 12 1 10 1 10 1 10 1 4 1 3 1 3 1 3 1 4 1 3 1 3 kW 0 04 0 04 0 06 0 06 0 075 0 075 0 075 0 19 0 25 0 25 0 25 0 19 0 25 0 25 SP SP SP SP SP SP SP PSC PSC PSC PSC PSC PSC PSC rpm 1 650 1 650 1 050 1 050 1 050 1 050 1 050 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps at 115V 1
38. 125 C e High limit wires minimum 200 C e Refer to installation instructions for venting gas piping and start up procedures e Indicates Field Wiring e ___ Indicates Factory Wiring 1 See Fan Control p 30 UH PRC002 EN 41 e TRANE Sequence of Operations DISCONNECT Two Stage Control Direct Spark With power applied to the unit The thermostat calls for heat 2 The power venter is energized and 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 Important CAUTION THE PRESSURE SWITCH MUST NOT BE BYPASSED THE UNIT MUST NOT BE FIRED UNLESS THE FLUE VENT FAN IS OPERATING If this procedure is not followed there may be a gas buildup that could cause an explosion The direct spark ignition lights the first stage main gas The sensing device has seven seconds to prove flame Main burners are lit at 50 percent of unit s rated input The fan time delay in the board allows the heater to come up to operating temperature At this time the fan time delay relay closes and activates the fan If additional heat is required the second stage of the thermostat calls for heat The main gas valve opens to full fire The main burners are now at full fire The unit continues at full fire until the second stage of the thermostat is satisfied and no longer calls for heat The main valve c
39. 13 7 19 8 x 12 2 18 3 x 10 7 16 8 x 10 7 350 80 x 50 70 x45 65x40 60x35 24 4 x 15 2 21 3 x 13 7 19 8 x 12 2 18 3 x 10 7 400 100 x50 80 x 45 75 x 40 65 x 40 30 5 x 15 2 24 4 x 13 7 22 9 x 12 2 19 8 x 12 2 22 02 e TRANE General Data Figure 9 Y splitter TOP VIEW Table 7 Y splitters approximate distance of throw at nominal airflow Distance From Unit Size Floor to Bottom Input MBh kW of Unit H 100 125 150 175 200 225 250 300 350 400 ft m 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 8 47 51 60 65 70 72 80 95 100 103 2 4 14 3 15 5 18 3 19 8 21 3 21 9 24 4 29 0 30 5 31 4 10 41 44 52 56 61 63 69 82 87 92 3 0 12 5 13 4 15 8 17 1 18 6 19 2 21 0 25 0 26 5 28 0 12 37 40 47 51 55 57 63 75 79 82 3 7 11 3 12 2 14 3 15 5 16 8 17 4 19 2 22 9 24 1 25 0 Notes 1 All throw data figures are approximate 2 Nozzles are not available on units below size 100 MBh 3 Nozzles are available for high efficiency units Specify High Efficiency when ordering due to difference in nozzle configuration UH PRC002 EN 23 TRANE Performance Data Table8 Correction factors for high altitude installations Altitude Above Sea Level ft 0 2 000 3 000 4 000 5 000 6 000 7 000 Gas Heating Capacity 1 00 0 92 0 88 0 84 0 8 0 76 0 72 Fan rpm 1 00 1
40. 2 Blower Size in 9 10 10 12 12 12 12 2 10 2 12 2 12 Gas Inlet Natural Gas in 0 5 0 5 0 5 0 5 0 5 0 75 0 75 0 75 0 75 0 75 Gas Inlet LP Gas in 0 5 0 5 0 5 0 5 0 5 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 Approximate Shipping Weight Ib 298 330 362 394 426 458 490 558 618 678 kg 135 150 164 179 193 208 222 253 280 308 a The flue opening on all units is 5 1 8 diameter Therefore a transition adapter is required by installer on these units IDA FLUE size 1 Front view INCREASER IS SUPPLIED BY sizes 100 400 2 Sideview sizes 2 HANGERS WITH ALTERNATE VERTICAL STANDARD HORIZONTAL 2 562 MOUNTING HOLES VENT POSITION LEFT VENT POSITION 14 FOR 100 400 FOR 100 400 E 949 ALTERNATE HORIZONTAL 2 HANGERS WITH RIGHT VENT POSITION N 779 100 200 SLOTTED MOUNTING VENT POSITION MAY BE i FIELD AJUSTEDTO 3 Sidevi ew SIZes HORIZONTAL RIGHT OR VERTICAL 225 400 OUTLETS 16 to Note Air intake is round on 225 250 units For DISCHARGE 26 750 673 gt 300 400 units 29 000 737 iL alr intake IS as o 7 Canadian units include vent cap and reducer increaser if required e a 26 750 679 gt 29 000
41. 2 1203 152 kg 174 a D diameter equals the air inlet opening and the flue discharge opening t 07 DIA FLUE OPENING STANDARD HORIZONTAL AN INCREASER IS SUPPLIED VENT POSITION BY THE MFR FOR 300 350 400 UNIT SIZES REDUCER TO BE SUPPLIED BY INSTALLER IF ONE IS REQ HANGING som 087 PB H UO E HANGING i gt 3 8 16UNC a ee ed P FRONT AND REAR REAR abcess access 7 03862 54 E nas 29 FLANGE ALL AROUND FRONT AND REAR 25 750 650 H 20 exo GAS INLET 2 29 000 737 38250 978 40 000 1 016 100 250 mE INLET 737 I 38 250 978 GAS INLET AIR INLET e 29 000 40 000 1 016 300 400 CONNECTOR SHOWN ACCEPTS 6 DIA 152 PIPE 1 Sizes 100 250 2 Sizes 300 400 TOval connector shown accepts 6 Dia 152 pipe Canadian units include vent cap and reducer increaser if required Rear vent position shown See Detail G for optional top vent position Dimensions are in inches Dimensions in are in millimeters 02 e TRANE Dimensions and Weights Table 29 Horizontal blower assembly dimension data Nominal Input Filter Ship Model cfm MBh A B D E F G Size Req Weight b HBAC 15 1500 100 in 65 1 2 26 10 18 21 1 4
42. 2083 0 983 80 44 0 14 0 03 5556 2 622 30 17 0 85 0 21 025 250 73 2 125 36 6 200 58 6 2315 1 093 80 44 0 14 0 03 6173 2 914 30 17 0 85 0 21 030 300 87 8 150 43 9 240 70 3 2778 1 311 80 44 0 13 0 03 7407 3 496 30 17 0 87 0 22 035 350 102 5 175 51 2 280 82 0 3241 1 530 80 44 0 13 0 03 8642 4 079 30 17 0 87 0 22 040 400 117 1 200 58 6 320 93 7 3704 1 748 80 44 0 14 0 03 9877 4 662 30 17 0 90 0 22 Note Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated four percent for each 1 000 feet above sea level Table 15 Separated Combustion Indoor Gas Duct Furnace performance data model GMND GMPD Input MAX MIN Output MIN Temp Rise P D MAX Temp Rise P D Unit Size kW MBh kW kW m s F C of H20 kPa cfm m 7 s F of H20 Pascals 010 100 29 3 50 14 6 80 23 4 822 0 388 90 50 0 10 0 02 3700 1 746 20 11 2 03 0 51 012 125 36 6 625 18 3 100 29 3 1028 0 485 90 50 0 09 0 02 4625 2 183 20 11 1 92 0 48 015 150 43 9 75 22 0 120 35 1 1233 0 582 90 50 0 09 0 02 5550 2 620 20 11 1 81 0 45 017 175 51 2 87 5 25 6 140 41 0 1439 0 679 90 50 0 09 0 02 6475 3 056 20 11 1 86 0 46 020 200 58 6 100 29 3 160 46 9 1645 0 776 90 50 0 09 0 02 7401 3 493 20 11 1 90 0 47 022 225 65 9 1125 32 9 180 52 7 1850 0 873 90 50 0 09 0 02 8326 3 930 20 11 1 93 0 48 02
43. 249 275 305 350 414 461 kg 79 89 99 108 113 125 138 159 188 209 a The flue opening on all GH units is 5 1 8 diameter Therefore a transition adapter is required by installer on these units STANDARD VERTICAL __ VENT POSITION 2 HANGERS WITH 20 75 MBTU HR 406 10 SQUARE 100 400 MBT HR 9 16 X 1 1 8 14 X 29 SLOTTED MOUNTING HOLES F DIA FLUE SIZE REQUIRED AN INCREASER IS SUPPLIED BY THE MFR FOR 300 350 400 UNIT SIZES THE REDUCERTO BE SUPPLIED BY THE INSTALLER IF ONE IS REQUIRED n FIELD INSTALLED ALTERNATE HORIZONTAL VENT POSITION RIGHT FOR 150 400 LEFT FOR 30 400 DISCHARGE OPENING H o ACCESS 100 200 PILOT ACCESS 3 ADJUSTABLE HORIZONTAL G LOUVERS UH PRC002 EN F DISCHARGE OPENING 1 Sideview sizes 100 200 2 Sideview sizes 225 400 3 Front view sizes 30 400 Canadian units include vent cap and reducer increaser if required Dimensions in are in millimeters 49 e TRANE Dimensions and Weights Table 24 High efficiency centrifugal fan unit heater dimensional data model GBND GBPD Unit Sizes 100 125 150 175 200 225 250 300 350 400 A Height to Top of Unit in 31 25 31 25 36
44. 4 lb 307 367 mm 864 1289 721 311 1235 1238 130 622 1403 152 kg 139 166 035 350 0 in 34 50 3 4 28 3 8 12 1 4 48 5 8 48 3 4 5 1 8 24 1 2 55 1 4 6 2 18 3 4 1 2 3 4 6 321 381 mm 864 1289 721 311 1235 1238 130 622 1403 152 kg 145 173 040 400 0 in 34 50 3 4 28 3 8 12 1 4 48 5 8 48 3 4 5 1 8 24 1 2 55 1 4 6 2 18 3 4 1 20r3 4 lb 335 395 mm 864 1289 721 311 1235 1238 130 622 1403 152 kg 152 179 48 F Discharge Opening k r s 1 Rear view 2 Side view 3 Front view Dimensions are in inches Dimensions in are in millimeters UH PRC002 EN e TRANE Dimensions and Weights Table 23 High efficiency propeller fan gas unit heater dimensional data model GHND GHPD Unit Sizes 100 125 150 175 200 225 250 300 350 400 A Height to Top of Unit in 31 25 31 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 mm 794 794 921 921 921 921 921 921 921 921 B Width of Unit in 17 875 20 625 20 625 23 375 26 125 28 875 31 625 37 125 42 625 48 125 mm 454 524 524 594 664 733 803 943 1083 1222 C Height to Top of Hanger in 34 125 34 125 39 125 39 125 39 125 39 125 39 125 39 125 39 125 39 125 mm 867 867 994 994
45. 49 2 0 186 2 0 249 2 0 249 Type SP SP PSC PSC PSC PSC PSC PSC PSC PSC rpm 1 050 1 050 1 140 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps at 115V 2 6 2 8 4 0 4 5 4 5 4 5 4 5 8 0 9 0 9 0 Notes 1 Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated 4 percent for each 1 000 feet above sea level 2 Standard 115 60 1 open drip proof motor 3 The flue vent fan motors used on all high efficiency units are 115 60 1 1 20 hp and 1 5 amps Table 11 High Efficiency Centrifugal Fan Unit Heater performance data model GBND GBPD Unit Size 010 012 015 017 020 022 025 030 035 040 Input MBh 100 125 150 175 200 225 250 300 350 400 kW 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Output MBh 80 100 120 140 160 180 200 240 280 320 kW 23 4 29 3 35 1 41 0 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 8096 8096 80 80 80 80 80 80 80 80 Free Air Delivery cfm 1 200 1 575 1 975 2 300 2 400 2 600 2 850 3 950 4 600 4 800 m3 s 0 566 0 743 0 932 1 086 1 133 1 227 1 345 1 864 2 171 2 266 Air Temperature Rise F 62 59 56 56 62 64 65 56 56 62 C 34 33 31 31 34 36 36 31 31 34 Output Velocity fpm 880 950 1 030 1 045 965 935 930 1 080 1 090 1 000 m s 4 47 4 83 5 23 5 31 4 90 4 72 4 72 5 49 5 54 5 08 Full Load Amps at 115V 8 3 9 8 10 6 10 6 15 2 15 2 15 2 15 2 18 6 18 6 Motor Data hp 1 4 1 3 1 2 1 2 3 4 3 4 3 4 3 4 1 1 kW 0 19 0 25 0 37 0
46. 5 250 732 125 36 6 200 58 6 2056 0 970 90 50 0 09 0 02 9251 4 366 20 11 1 96 0 49 030 300 87 8 150 43 9 240 70 3 2467 1 164 90 50 0 10 0 02 11101 5 240 20 11 2 00 0 50 035 350 102 5 175 51 2 280 82 0 2878 1 358 90 50 0 10 0 02 12951 6 113 20 11 2 02 0 50 040 400 117 1 200 58 6 320 93 7 3289 1 552 90 50 0 10 0 02 14801 6 986 20 11 2 05 0 51 Note Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated four percent for each 1 000 feet above sea level UH PRC002 EN 27 e TRANE Performance Data Table 16 Horizontal Blower Assembly performance data External Static Pressure in of H20 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 kPa 0 05 0 07 0 10 0 12 0 15 0 17 0 20 0 22 Nominal Blower cfm hp hp hp hp hp hp hp hp Models cfm Size m3 s rpm kW rpm kW rpm kW rpm kW rpm kW rpm kW rpm kW rpm kw HBAC 15 1 500 10 1 250 525 1 3 650 1 3 680 1 3 760 1 3 780 1 3 840 1 3 0 590 0 25 0 25 0 25 0 25 0 25 0 25 1 500 600 1 3 680 1 3 715 1 3 790 1 3 810 1 2 860 1 2 895 1 2 970 1 2 0 708 0 25 0 25 0 25 0 25 0 37 0 37 0 37 0 37 1 750 650 1 3 710 1 3 750 1 2 805 1 2 850 1 2 890 1 2 940 3 4 990 3 4 0 826 0 25 0 25 0 37 0 37 0 37 0 37 0 56 0 56 2 000 700 1 2 760 1 2 800 1 2 850 1 2 890 1 2 925 3 4 980 3 4 1 010 3 4 0 944 0 37 0 37 0 37 0 37 0 37 0 56 0
47. 56 0 56 HBAC 20 2 000 12 1 500 425 1 3 500 1 3 550 1 3 630 1 3 0 708 0 25 0 25 0 25 0 25 1 750 450 1 3 515 1 3 560 31 3 635 172 680 12 725 1 2 0 826 0 25 0 25 0 25 0 37 0 37 0 37 2 000 475 31 3 530 1 3 590 1 2 640 31 2 690 31 2 740 12 785 312 80 3 4 0 944 0 25 0 25 0 37 0 37 0 37 0 37 0 37 0 56 2 250 515 1 2 560 1 2 610 1 2 650 1 2 700 3 4 750 3 4 790 3 4 815 3 4 1 062 0 37 0 37 0 37 0 37 0 56 0 56 0 56 0 56 2 500 540 1 2 590 1 2 625 1 2 670 1 2 710 3 4 760 3 4 795 3 4 820 3 4 1 180 0 37 0 37 0 37 0 37 0 56 0 56 0 56 0 56 2 750 575 1 2 615 1 2 650 3 4 690 3 4 730 3 4 780 3 4 800 3 4 830 1 1 298 0 37 0 37 0 56 0 56 0 56 0 56 0 56 0 75 HBAC 30 3 000 12 1 750 450 1 3 510 1 3 560 1 3 630 1 3 675 1 2 720 1 2 0 826 0 25 0 25 0 25 0 25 0 37 0 37 2 000 475 103 525 1 3 590 1 2 635 31 2 680 1 72 735 12 785 12 80 3 4 0 944 0 25 0 25 0 37 0 37 0 37 0 37 0 37 0 56 2 250 500 1 2 550 31 72 600 1 2 645 1 2 685 1 2 740 3 4 785 3 4 810 3 4 1 062 0 37 0 37 0 37 0 37 0 37 0 56 0 56 0 56 2 500 525 1 2 580 1 2 615 1 2 665 1 2 700 3 4 750 3 4 790 3 4 815 3 4 1 180 0 37 0 37 0 37 0 37 0 56 0 56 0 56 0 56 2 750 560 1 2 605 1 2 640 3 4 685 3 4 715 3 4 715 3 4 805 3 4 825 1 1 298 0 37 0 37 0 56 0 56 0 56 0 56 0 56 0 75 3 000 610 1 2 640 3 4 660 3 4 710 3 4 750 1 790 i 815 1 845 1 1 416 0 37 0 56 0 56 0 56 0 75 0 75 0 75 0 75 3 250 630 3 4 675 3 4 700 1 735 1 750 1 790 1 830 1 860 1 1 534 0 56 0 56 0 75 0 75 0 75 0 75 0 75 0 75 3 500 675 3 4 700 T 725 1 775 1 800 1 840 1 1
48. 9 1 9 2 6 2 6 4 2 4 2 4 2 4 7 5 8 5 8 5 8 9 4 11 6 11 6 Notes 1 Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated 4 percent for each 1 000 feet above sea level CS Capacitor Start SPH Split Capacitor Standard motors are 115 60 1 open drip proof 0 2 maximum external static pressure Unit amps are based on hot surface pilot ignition 24 UH PRC002 EN Table 10 High Efficiency Propeller Fan Gas Unit Heater performance data model GHND GHPD e TRANE Performance Data Unit Size 010 012 015 017 020 022 025 030 035 040 Input MBh 100 125 150 175 200 225 250 300 350 400 kW 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Output MBh 80 100 120 140 160 120 200 240 280 320 kW 23 4 29 3 35 1 41 0 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 80 80 80 80 80 80 80 80 80 80 Free Air Delivery cfm 1 480 1 650 2 200 2 530 2 640 2 700 3 100 4 400 5 000 5 300 m3 s 0 699 0 779 1 038 1 194 1 246 1 274 1 463 2 077 2 360 2 502 Air Temperature Rise F 50 56 50 51 56 61 60 50 52 56 28 31 28 28 31 34 33 28 29 31 Output Velocity fpm 775 910 1 045 1 070 1 010 950 980 1 100 1 150 1 050 m s 3 94 4 62 5 31 5 44 5 13 4 83 4 98 5 59 5 84 5 33 Full Load Amps at 115V 5 8 6 7 2 8 2 8 2 8 2 8 2 11 2 13 2 13 2 Motor Data hp 1 20 1 10 1 4 1 3 1 3 1 3 1 3 2 1 4 2 1 3 2 1 3 kW 0 037 0 075 0 186 0 249 0 249 0 249 0 2
49. 9 8 20 7 24 4 25 6 27 4 15 45 49 52 56 60 70 74 80 4 6 13 7 14 9 15 8 17 1 18 3 21 3 22 6 24 4 20 46 50 54 63 66 70 6 1 14 0 15 2 16 5 19 2 20 1 21 3 20 02 e TRANE General Data Figure 6 30 nozzle Table 4 30 degree nozzle approximate distance of throw at nominal airflow E Unit Size Distance From Floor Input MBh kW to ici jt H 100 125 150 175 200 225 250 300 350 400 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 8 65 70 75 80 85 90 95 115 120 125 2 4 19 8 21 3 22 9 24 4 25 9 27 4 29 0 35 1 36 6 38 1 10 57 60 64 68 72 78 86 99 105 110 3 0 17 4 18 3 19 5 20 7 21 9 23 8 26 2 30 2 32 0 33 5 12 50 54 57 60 64 70 77 88 94 100 3 7 15 2 16 5 17 4 18 3 19 5 21 3 23 5 26 8 28 7 30 5 15 45 48 50 53 59 64 74 79 84 4 6 13 7 14 6 15 2 16 2 18 0 19 5 22 6 24 1 25 6 20 44 47 53 58 66 71 75 6 1 13 4 14 3 16 2 17 7 20 1 21 6 22 9 Notes 1 All throw data figures are approximate 2 not recommended at these mounting heights 3 Nozzles are not available on units below size 100 MBh 4 Nozzles are available for high efficiency units Specify High Efficiency when ordering due to difference in nozzle configuration Figure 7 60 nozzle Table 5 60 degree nozzle approximate distance of thro
50. 980 1100 1150 1050 m s 3 9 4 6 5 3 5 4 5 1 4 8 5 0 5 6 5 8 5 3 Full Load Amps at 115V 5 8 6 0 7 2 7 8 7 8 7 8 8 8 11 2 12 2 12 2 Motor Data hp 1 20 1 10 1 4 1 3 1 3 1 3 1 2 2 1 4 2 1 3 2 1 3 kW 0 037 0 075 0 186 0 249 0 249 0 249 0 373 2 0 186 2 0 249 2 0 249 Type SP SP PSC PSC PSC PSC PSC PSC PSC PSC rpm 1 050 1 050 1 140 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps at 115V 2 6 2 8 4 0 4 5 4 5 4 5 5 5 8 0 9 0 9 0 Notes 1 Ratings are shown for elevations up to 2 000 feet above sea level Above 2 000 feet input must be derated 4 percent for each 1 000 feet above sea level 2 Standard motor is 115 60 1 open drip proof 3 SP Shaded Pole PSC Permanent Split Capacitor Table 13 Separated Combustion Centrifugal Fan Gas Unit Heater performance data model GKND GKPD Unit Size 010 012 015 017 020 022 025 030 035 040 Tnput MBh 100 125 150 175 200 225 250 300 350 400 kW 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 Output MBh 80 100 120 140 160 180 200 240 280 320 kW 23 4 29 3 35 1 41 0 46 9 52 7 58 6 70 3 82 0 93 7 Thermal Efficiency 8096 8096 80 80 80 80 80 80 80 80 Free Air Delivery cfm 1 200 1 575 1 975 2 300 2 400 2 600 2 850 3 950 4 600 4 800 m3 s 0 566 0 743 0 932 1 086 1 133 1 227 1 345 1 864 2 171 2 266 Air Temperature Rise F 62 59 56 56 62 64 65 56 56 62 C 34 33 31 31 34 36 36 31 31 34 Output Velocity fpm 880 950 1030 1045 965 935 930 1080 1090 1000 m s 4 47 4 83
51. 994 994 994 994 994 994 D Depth to Rear of Housing in 37 5 37 5 37 5 37 5 37 5 37 5 37 5 37 5 37 5 37 5 mm 953 953 953 953 953 953 953 953 953 953 E Hanging Distance Width in 14 5 17 25 17 25 20 22 75 25 5 28 25 33 75 39 25 44 75 mm 368 438 438 508 578 648 718 857 997 1137 F Discharge Opening Width in 15 375 18 125 18 125 20 875 23 625 26 375 29 125 34 625 40 125 45 625 mm 391 460 460 530 600 670 740 879 1019 1159 G Depth to Unit Side Jacket in 26 75 26 75 26 75 26 75 26 75 26 75 26 75 26 75 26 75 26 75 mm 679 679 679 679 679 679 679 679 679 679 H Discharge Opening Height in 18 18 18 18 18 18 18 18 18 18 mm 457 457 457 457 457 457 457 457 457 457 to Centerline of Flue in 5 872 7 25 7 25 8 625 10 11 25 12 75 15 5 18 25 21 mm 149 184 184 219 254 286 324 394 464 533 K Depth to Centerline of Flue in 30 625 30 625 30 625 30 625 30 625 30 625 30 625 30 625 30 625 30 625 mm 778 778 778 778 778 778 778 778 778 778 L Hanger Location in 16 25 16 75 16 375 16 375 16 375 16 75 16 75 16 75 16 75 16 75 mm 413 425 416 416 416 425 425 425 425 425 Flue Size Diameter in 4 4 4 4 5 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 152 Fan Diameter in 14 16 16 18 18 18 18 2 16 2 18 2 18c Gas Inlet Natural Gas in 0 5 0 5 0 5 0 5 0 5 0 75 0 75 0 75 0 75 0 75 Gas Inlet LP Gas in 0 5 0 5 0 5 0 5 0 5 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 Approximate Shipping Weight Ib 174 197 219 238
52. GTPD Input Diameter Gas Inlet Weight Model MBh A B G H L Flue Fan Nat LP Unit Shipping 015 150 0 in 33 3 4 20 3 4 13 3 8 11 18 5 8 18 3 4 4 3 4 24 M2 25 1 4 5 16 1 2 1 2 b 155 195 mm 857 527 340 279 473 476 121 622 641 127 kg 70 88 017 175 0 in 33 3 4 32 3 4 19 3 8 11 30 5 8 30 3 4 4 3 4 24 M2 37 14 5 18 12 1 2 b 191 241 mm 857 831 492 279 778 781 121 622 946 127 kg 87 109 020 200 0 in 33 3 4 32 3 4 19 3 8 11 30 5 8 30 3 4 4 3 4 24 M2 37 14 5 18 12 1 2 IIb 201 251 mm 857 831 492 279 778 781 121 622 946 127 kg 91 114 025 250 0 in 33 3 4 32 3 4 19 3 8 11 30 5 8 30 3 4 4 3 4 24 M2 37 14 5 18 3 4 1 2 lb 211 261 mm 857 831 492 279 778 781 121 622 946 127 kg 96 118 1 Rear view num Side view 1 7 14 bo 3 Front view eue a BS 207 Sel Dimensions are in er inches SA Dimensions in are in Electrical Control Panel gn Gas Valve Eg millimeters UH PRC002 EN 47 e TRANE Dimensions and Weights Table 22 Tubular Heat Exchanger unit heater dimensional data model GTND GTPD Input Diameter Gas Inlet Weight Model MBh A B G H L Flue Fan Nat LP Unit Shipping 030 300 0 in 34 50 3 4 28 3 8 12 1 4 48 5 8 48 3 4 5 1 8 24 1 2 55 1 4 6 2 16 3 4 1 20r3
53. The pressure switch measures the flow through the vent system and energizes the intermittent pilot when the flow is correct Important CAUTION THE PRESSURE SWITCH MUST NOT BE BYPASSED THE UNIT MUST NOT BE FIRED UNLESS THE FLUE VENT FAN IS OPERATING If this procedure is not followed there may be a gas buildup that could cause an explosion 3 The pressure switch closes and activates the flue vent fan 4 The pilot valve opens 5 The ignitor sparks continuously to ignite the pilot 6 The sensor proves pilot ignition and shuts off the ignitor 7 With the pilot lit the main gas valve opens 8 Main burners are lit at 100 percent of the unit s rated input 9 The fan time delay relay allows the heater to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor 10 The unit continues to fire until the thermostat is satisfied and no longer calls for heat 11 The main and pilot valve close 12 The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor n e Caution Disconnect power before LINE IN 115 2401 60 servicing uf TIME DELAY 8 m ie 9 e Wen e Unit must be grounded u SUMMEI cane Use copper conductors only WINTER up a e of the original
54. a HBAC 45 for use with the GLND 040 duct furnace b From Table 16 p 28 an HBAC 45 at 5 000 cfm and 0 7 inches static pressure 0 54 inch ductwork 0 16 inch furnace requires a 1 1 2 hp motor with a fan speed of 720 rpm 17 TRANE Model Number Descriptions Indoor Gas Heating Units Note All units AGA approved For CGA approved units contact Air Handling Product Support Digit 1 Gas Heating Equipment ni 2 Product Type B High Efficiency Centrifugal Fan Unit Heater High Efficiency Indoor Duct Furnace High Efficiency Propeller Fan Unit Heater Separated Combustion Propeller Fan Unit Heater Separated Combustion Centrifugal Fan Unit Heater Separated Combustion Indoor Duct Furnace Propeller Fan Tubular Heat Exchanger 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 L gt Il 003 30 MBh 015 150MBh 004 45 017 175 MBh 006 60 MBh 020 200 MBh 007 75 MBh 022 225 MBh 009 90MBh 025 250 MBh 0100 100MBh 030 300MBh O11 105 MBh 035 350 12000 120 040 400 MBh 0129 125 MBh a Not available for high efficiency propeller fan b Not available for tubular c Available for tubular only Digit 8 Main Power Supply A 115 60 D 230 60 3 230 607 460 60 3
55. ay allows the heater to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor 10 If additional heat is required the second stage of the thermostat calls for heat 11 The main gas valve opens to full fire The main burners are now at full fire The unit continues at full fire until the second stage of the thermostat is satisfied and no longer calls for heat 12 The main valve closes to low fire The main burners are now at low fire The unit continues at low fire until the first stage of the thermostat is satisfied and no longer calls for heat 13 The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor e Caution Disconnect power before servicing LINE IN 15 1 60 e Unit must be grounded e Use copper conductors only e If any of the original wire as supplied with the appliance must be replaced it must be replaced with wiring eem material having a temperature rating of at least 125 e High limit wires minimum 200 C TEE Refer to installation instructions for mm wa venting gas piping and start up wu procedures mE e e Indicates Field Wiring 1 e ___ Indicates Factory Wiring 1 See Fan Control p 30 40 02 e TRANE Sequenc
56. cap and reducer increaser if required Dimensions in are in millimeters UH PRC002 EN e TRANE Dimensions and Weights Table 25 Separated combustion propeller fan gas unit heater dimensional data model GAND GAPD Unit Sizes 100 125 150 175 200 225 250 300 350 400 A Height to Top of Unit in 31 25 31 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 36 25 mm 794 794 921 921 921 921 921 921 921 921 B Height to Top of Hanger in 34 062 34 062 39 062 39 062 39 062 39 062 39 062 39 062 39 062 39 062 mm 865 865 992 992 992 992 992 992 992 992 C Hanging Distance Width in 14 75 17 5 17 5 20 25 23 25 75 28 5 34 39 5 45 mm 375 445 445 514 584 654 724 864 1003 1143 D Discharge Opening Width in 15 375 18 125 18 125 20 875 23 625 26 375 29 125 34 625 40 125 45 625 mm 391 460 460 530 600 670 740 879 1019 1159 E Width of Unit in 17 875 20 625 20 625 23 375 26 125 28 875 31 625 37 125 42 625 48 125 mm 454 524 524 594 664 733 803 943 1083 1222 F to Centerline of Flue in 5 875 7 25 7 25 8 625 10 11 25 12 75 15 5 18 25 21 mm 149 184 184 219 254 286 324 394 464 533 Flue Size Diameter in 4 4 4 4 5 5 6 6 6 mm 102 102 102 102 127 127 127 152 152 152 Fan Diameter in 14 16 16 18 18 18 18 2 16 2 18 2 18 Gas Inlet Natural Gas in 0 5 0 5 0 5 0 5 0 5 0 75 0 75 0 75 0 75 0 75 Gas Inlet LP Gas in 0 5 0 5 0 5 0 5 0 5 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4 1 2 or 3 4
57. ction and servicing Pilot is also accessible through side panel access door Test Fire All Trane unit heaters are test fired to assure proper operation Ideal For Retrofit Trane unit heaters let you pocket fuel savings from day one and provide years of dependable service 02 e Features and Benefits UH PRC002 EN Propeller Fan Tubular Heat Exchanger Unit Heaters Trane has added a new unit heater to enhance its broad line of heating products The Trane tubular heat exchanger is a very durable unit heaterthat provides an alternative to the traditional clam shell style These are propeller style units that combine the latest tubular heat exchanger style with inshot burner technology to create a very efficient operating unit High Efficiency Propeller Fan Unit Heaters Trane high efficiency propeller fan unit heaters achieve annual fuel savings of 20 to 25 percent over conventional gravity vented heaters Each unit features a factory installed power venter fan and sealed flue collector that controls combustion and excess air during the on cycle Heated air no longer escapes through the draft diverter opening during the off cycle Energy saving spark ignition reduces gas losses The pilot only operates when required Horizontal power venting allows side wall venting smaller openings and single walled vent pipe reducing heat loss Higher efficiencies can reduce equipment and material costs as well
58. duct thermostat 35 Electronic Modulating Control with room thermostat 37 High Efficiency 39 Separated Combustion Units 43 Electrical iz err up REED ER 45 Dimensions and Weights 46 Mechanical Specifications cette eese 58 Tubular Heat Exchanger Indoor Gas Unit model GT 58 High Efficiency Propeller model GH and Centrifugal Fan Gas Unit Heaters T TT 59 Separated Combustion Centrifugal model and Propeller Fan Gas Unit Heaters model GA 61 High Efficiency Indoor Gas Duct Furnaces model GL 63 Separated Combustion Duct Furnaces model GM 65 Horizontal Blower Assembly model 67 3 S TRANE Features Highlights Ten Year Warranty The complete heat exchanger draft hood assembly of the unit heater and burners are warranted by Trane to be free from defects in material and workmanship for a period of 10 years from the date of manufacture Warranty not applicable on duct furnaces or Separated Combustion units Quiet Operation Trane unit heaters incorporate an exceptionally balanced fan blade to assure quiet o
59. e FRAME D p B fe Jf P a 7 Fa JJ d U L 9 B Indoor Gas Heating Products Unit Heaters Duct Furnaces September 2009 UH PRC002 EN TRANE Introduction Trane unit heaters offered in both propeller and centrifugal models are a complete heat generating and distributing plant equipped with automatic controls and packaged in an attractive streamlined housing Designed for ceiling mounting they provide a convenient low cost method of comfortably heating stores factories warehouses and other large open areas Trane unit heaters represent a technological breakthrough in quality Trane offers customers the most complete line of unit heaters anywhere And every unit in the line has been rated for 80 percent thermal efficiency or better But higher thermal efficiency and lower operating costs are just two features of this product line Innovation the engineering advances you ve come to expect from Trane can also be found across this entire line of unit heaters And rugged quality construction provides years of dependable service Ouality products mean Trane value So does fair competitive pricing The 10 year warranty tells you Trane will be here for the long haul keeping our commitment to you You can count on Trane standing behind every unit shipped That is what Trane value means Trademarks Trane and the Trane logo are trademarks of Trane in the United Stat
60. e in combination with Trane duct furnaces They are matched against the proper furnace size for greatest efficiency of operation e TRANE Features and Benefits Separated Combustion Propeller Fan Unit Heaters The Trane separated combustion propeller type unit heater keeps energy costs down by offering 80 percent thermal efficiencies With model inputs available from 100 through 400 MBH they are designed to be installed in mildly hostile environments where dusty dirty and mildly corrosives exist or high humidity or slightly negative pressures prevail The Trane propeller unit separates the combustion process from the environment where the unit is installed A power venting system draws a controlled quantity of combustion air from outside the building The same system exhausts flue gas products to the outside The burners pilot and flue system are enclosed within the unit The entire combustion process is literally unaffected by the atmosphere in the space where the unit is located Combustion and exhaust air may be piped horizontally through a side wall or vertically through the roof via our standard two pipe venting arrangement or optional concentric vent kit which utilizes one 8 inch side wall or rooftop penetration for both the combustion and exhaust air Both venting systems are C S A International certified Separated Combustion Centrifugal Fan Unit Heaters The Trane separated combustion centrifugal type unit heater keeps e
61. e of Operations Single Stage Control Direct Spark With power applied to the unit 1 The thermostat calls for heat 2 The power venter is energized and 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 Important CAUTION THE PRESSURE SWITCH MUST NOT BE BYPASSED THE UNIT MUST NOT BE FIRED UNLESS THE FLUE VENT FAN 15 OPERATING If this procedure is not followed there may be a gas buildup that could cause an explosion 3 The direct spark ignition lights the main gas The sensing device has seven seconds to prove flame 4 The fan time delay in the board allows the heater to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor The unit continues at full fire until the thermostat is satisfied and no longer calls for heat The main valve closes The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor e Caution Disconnect power before Lg LINE IN 120 1 60 servicing e Unit must be grounded DISCONNECT e Use copper conductors only e If any of the original wire as supplied with the appliance must be replaced it must be replaced with wiring material having a temperature rating of at least
62. e panels are removable for easy servicing and motor maintenance Duct flanges are provided for simple ductwork connection Standard filters are one inch permanent washable type Motors Factory mounted motors are open drip proof 115 230 60 1 or 208 230 460 60 3 with built in thermal overload protection Fans Centrifugal fan is belt driven with adjustable pitch motor sheave Fan is dynamically balanced for quiet operation Factory Installed Options Insulation Blower assembly and transition are insulated with fire resistant odorless matte faced one inch glass fiber material Floor Mounting Legs Legs allow floor mounting of the blower assembly Totally Enclosed Motor Field Installed Accessories Optional Filters One Inch Permanent Standard One inch throwaway One inch permanent Transition When used with a ductfurnace a sheet metal transition is supplied to connectthe blower assembly to the duct furnace 02 S TRANE Literature Order Number UH PRC002 EN Date September 2009 Supersedes UH PRC002 EN July 2009 www trane com For more information contact your local Trane T h li f ti d ctand duct data i the right t office or e mail us at comfort trane com rane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice
63. ea to be conditioned or use equipment in the space which does not burn a fuel such as gas i e electric or hydronic Units should not be installed in areas with corrosive or inflammable atmospheres Locations containing solvents or chlorinated hydrocarbons will produce corrosive acids when coming in contact with burner flames This reaction will greatly reduce the life of the heat exchanger and may void the warranty For added protection against heat exchanger corrosion optional 409 and 321 stainless steel construction is available On units using outside air with entering air temperature below 40 F condensation of flue gas in the heat exchanger is possible In these cases stainless steel heat exchangers are recommended Careful review of the job application with respect to use probable contaminants within a conditioned space or the amount of fresh air to be brought in will help to make the proper selection of heat exchanger material This review will help to eliminate problems before they begin Indoor Units Indoor gas unit heaters and duct furnaces are used primarily in commercial and industrial structures such as manufacturing areas warehouses garages stores showrooms lobbies and corridors Separated combustion units are used primarily in industrial work areas with wood or textile dust non explosive contaminated environments nonchlorine process areas automotive and truck garages and greenhouses Unit Placement Refer to
64. ed to the unit NOOR WN 10 1 12 The first stage of the thermostat calls for heat The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the main gas valve opens to low fire Main burners are lit at 50 percent of unit s rated input The fan time delay relay optional on duct furnaces allows the heat exchanger to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor If additional heat is required the second stage of the thermostat calls for heat The main gas valve opens to full fire The main burners are now at full fire The unit continues at full fire until the second stage of the thermostat is satisfied and no longer calls for heat The main valve closes to low fire The main burners are now at low fire The unit continues at low fire until the first stage of the thermostat is satisfied and no longer calls for heat The main and pilot valves close The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor Note This unit is equipped with a blocked vent shutoff spill switch If the venting system becomes blocked or there is continuous spillage the vent shutoff switch will shut off the unit heater e Caution
65. ee Fan Control p 30 37 e TRANE Sequence of Operations 38 Electronic Modulating Control with room thermostat FAN TIME DELAY 0 2 DISCONNECT SUMMER WINTER SWITCH 8 2 BLOWER MOTOR FURNACE ONE HIGH LIMIT 3 ux we L2 BLACK K5 BLACK Luud 115V TO 24 XFORMER v 50 19 xe VOLTS 19893 FAN TIME DEALY DL DRAFTOR ONE 9 58600 IGNITOR SOL MV PV PV PVSOL 1 GND 24V GND oo gt DL E PRESS SW 24V HOT OFS Spark eee ETIITITITIYYTT MAXITROL W ROOM SENSING 04 5 9 o e 110 USE A1010 FOR SINGLE FURNACE 1011 FOR MULTIPLE FURNACE O2 m 02 e TRANE Sequence of Operations High Efficiency Units Note On duct furnaces the fan motor and associated controls shown in the wiring diagrams are not integral to the unit It is essential however that the air handling system be interlocked with the duct furnace to prevent duct furnace operation without airflow Single Stage Control Intermittent Pilot With power applied to the unit 1 2 The thermostat calls for heat
66. es and other countries 2009 Trane All rights reserved 002 Table of Contents UH PRC002 EN Introduction es um Ra doe d e Pap ed Pana 2 Features Highlights 4 Features and Benefits 5 Application Considerations 7 General eae ee E eed Oa eed eee eek 7 Venting Unit lt 5 12 Selection Procedure 25 15 hee Re 16 Indoor Gas Heating Units 18 Model Number Descriptions cece cette eens 18 Horizontal Blower Assembly 19 General Data e RR ede dens edid xcu 20 Service Clearances iiiar va ke e RR Y PERI 20 Heat Throw Data RR oe dodo Hehe ena EG 20 Performance Data 24 Gontrols Ee ERA eR Sas 30 GaS Controls 2 ex E Ge awe E Geared eee acr ee ed 30 Sequence of Operations 33 Single Stage eee teens 33 Two Stage Control osese e asce a e amete anae a c e e e aaea e i e e E 34 Electronic Modulating Control with
67. esidual heat from the heat exchanger Electronic Modulating 4 20 mA 0 10 Vdc Input Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 40 percent rated input The modulating gas valve shall operate in response to a 4 20 mA or a 0 10 Vdc input from an external DDC control Flue Vent Fan Flue vent fan provides power venting Provided factory assembled to a sealed flue collection chamber The flue vent fan is activated in response to a low voltage 24V single stage thermostat Note The thermostat is not included with the gas control option A combustion air pressure switch is provided as standard to verify proper powered vent flow prior to allowing the gas valve to operate Factory Installed Options Two Stage Gas Valve Provides two stages of heat Ignition is at low fire 50 percent of the furnace s rated input Requires the use of a two stage thermostat Heat Exchanger Options Type 409 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 409 stainless steel UH PRC002 EN e TRANE Mechanical Specifications Type 321 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 321 stainless steel Additional Options Type 409 Stainless Steel Burners Type 409 Stainless Steel Draft Diverter Totally Enclosed Motor Centrifugal fan units only Orifices for elevations over 2000 feet Summer Winter Switch
68. eventing system for these appliances shall terminate at least 4 feet below 4 feet horizontally from or 1 foot above any door window or gravity air inlet into any building 3 Through the wall vents for these appliances shall not terminate over public walkways or over an area where condensate or vapor could create a nuisance or hazard or could be detrimental to the operation of regulators relief valves or other equipment 4 Thevent pipe diameter must be as shown under Recommended Flue Size the specification charts An adaptor must be field supplied if required 5 Each furnace must have an individual vent pipe and vent terminal Vent pipe equivalent length must not exceed 50 feet Equivalent length is the total length of straight sections plus 15 feet for each 90 elbow and 8 feet for each 45 elbow 6 Maintain 6 inch clearance between vent pipe and combustible materials Vent terminal must be installed with a minimum clearance of 4 feet from electric meters gas meters regulators and relief equipment 7 Seal vent pipe joints to prevent leakage Use General Electric RTV 108 Dow Corning RTV 732 Silicone Sealant or 3M 425 aluminum foil tape 8 Pitch horizontal pipes downward 1 4 inch per foot toward outlet for condensate drainage Horizontal portions of the venting system shall be supported at maximum intervals of 4 feet to prevent sagging 9 Vertical vent pipes should be equipped with condensate drains 10 Insulate s
69. f unit s rated input An amplifier receives a small electrical signal from the thermostat and converts this into a working voltage This working voltage determines the position of the modulating valve With no voltage applied to the valve the valve will be full open and full fire will occur As increasing voltage is applied to the valve the valve will modulate closed At approximately 12V dc the valve will be at its minimum low fire position If the voltage continues to increase indicating a further reduction in the unit s firing is required the increased voltage closes a relay which closes the automatic gas valve As temperature drops the voltage also drops causing the relay to re open the valve The unit will continue to cycle in this manner until either an increase in the unit s firing rate is required or the thermostat is satisfied and no longer calls for heat When the thermostat is satisfied the main and pilot valves close The fan time delay relay optional on duct furnaces remains closed keeping the fan motor operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor If optional room override thermostat is ordered when setpoint is reached it will cause the unit to go to full fire overriding both the duct sensor and the remote setpoint adjustment Note Sensor and selector wires to amplifier must not be run close to or in conduit with power or ignitio
70. gers and draft diverters have two basic variables moisture condensation and sulphur These two ingredients form to make sulfuric acid in the combustion process Condensation occurs commonly in makeup air systems using large amounts of fresh air when air temperatures entering the heat exchanger drop to 40 F or below This reaction can also occur in recirculating systems where some quantity of outside air is introduced upstream of the exchanger The sulphur will always be present as an integral component of the gas The resulting concentration of the acid is governed by the amount of sulphur in the gas This concentration varies from gas to gas and geographically within the same type of gas Beyond sulfuric acid corrosion there is the area of chlorinated or halogenated hydrocarbon vapor corrosion This type of corrosion occurs when substances are mixed with combustion air that will cause the formation of hydrochloric or hydrofluoric acid when burned These basic substances are found in degreasers dry cleaning solvents glues cements paint removers and aerosol propellants Specific chemicals included in this group are trichloroethylene perchloroethylene carbon tetrachloride methylene chloride methyl chloroform and refrigerants 11 12 21 22 and 114 If sufficient PPM content of these corrosives is present none of the common heat exchanger materials will hold up The dilemma becomes whether to place the gas heating equipment outside of the ar
71. gn Sequence D Fourth Design Digit 11 Miscellaneous Options 0 None 1 Insulation 3 Totally Enclosed Motor UH PRC002 EN e TRANE Model Number Descriptions 19 TRANE General Data Service Clearances Table 2 Minimum clearances Duct Furnace Propeller amp Centrifugal Fan U H Sides 18 18 Top 6 6 Bottom 217187 21 Flue 6 6 a 21 clearance is required for bottom access to burners and pilot If a side pull out burner drawer is ordered duct furnace only bottom clearance can be reduced to six inches Side clearance however must be increased such that it is adequate for burner drawer removal Reference Table 27 p 53 Heat Throw Data Figure 5 Standard unit heater applications Table 3 Standard unit heater approximate distance of throw at nominal airflow Distance From Unit Size Floor to Bottom Input MBh kW of Unit H 30 45 60 75 100 125 150 175 200 225 250 300 350 400 ft m 8 8 13 2 17 6 22 0 29 3 36 6 43 9 51 2 58 6 65 9 73 2 87 8 102 5 117 1 8 33 33 33 40 60 65 70 75 80 85 90 105 110 120 2 4 10 1 10 1 10 1 12 2 18 3 19 8 21 3 22 9 24 4 25 9 27 4 32 0 33 5 36 6 10 28 28 28 35 54 56 60 64 68 72 78 90 95 100 3 0 8 5 8 5 8 5 10 7 16 5 17 1 18 3 19 5 20 7 21 9 23 8 27 4 29 0 30 5 12 44 46 49 57 61 65 68 80 84 90 3 7 13 4 14 0 14 9 17 4 18 6 1
72. ingle wall vent pipe exposed to cold air or running through unheated areas FM and IRI Requirements IRI which stands for Industrial Risk Insurers and FM which stands for Factory Mutual are both basically insurance companies which insure commercial industrial firms against a variety of losses Both publish requirements which must be met by certain equipment operating in the facilities they are preparing to insure Listed below is our interpretation of the requirements of both insurers pertaining to heating units only to the extent of features controls required by IRI and or FM There are a number of additional requirements which pertain to electrical service details of installation etc and we urge you to obtain copies of the publications pertaining to these details if you are involved in a job where IRI or FM adherence has been indicated The requirements detailed herein are our interpretations of the latest publications in our possession and we must disclaim any responsibility for errors due to our interpretation and or lack of any updated revision of these standards Our intent is to provide you with an understanding of the application of these standards and how we believe our indirect fired gas heating equipment applies IRI Requirements 1 Allinputsizes require 100 percent shutoff This requires that any natural gas unit equipped with intermittent pilot ignition must employ a lock out type ignition system which will shut off pil
73. lings and are exposed in the space to be heated Unit heaters offer low installed cost and are able to heat large volume areas without requiring extensive duct systems Duct furnaces are designed for use in ducted applications with a separate air handling device such as a horizontal blower assembly By utilizing a separate air source greater application flexibility in airflow delivery can be obtained Multiple duct furnaces can be used with an air handling unit to provide zone heating AIR HANDLING UNIT Note When installing duct furnaces in parallel or in series minimum clearance requirements must be considered This is required for serviceability of the gas valve and the high limit All duct furnaces are approved in blow thru applications only All duct furnaces are AGA approved upstream or downstream of the cooling coil Recommend optional field installed drain pan when installed on the downstream side of the cooling coil Note Downstream denotes cooling coil ahead of the fan section When used conjunction with filters cooling coils and air handler the duct furnace can become part of a built up heating and cooling system EI iL j UM C quse COOUNG Typical Upstream Installation Gas Heating Value The majority of gas heating units are installed in applications where natural gas is readily available In areas where natural gas is not available Trane units may be ordered directly from the factory
74. loses to low fire The main burners are now at low fire The unit continues at low fire until the first stage of the thermostat is satisfied and no longer calls for heat The gas valve closes The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor e Caution Disconnect power before servicing e Unit must be grounded e Use copper conductors only e If any of the original wire as supplied with the appliance must be replaced it must be replaced with wiring material having a temperature rating of at least 125 C e High limit wires minimum 200 C e Refer to installation instructions for venting gas piping and start up 42 procedures e Indicates Field Wiring e ___ Indicates Factory Wiring 1 See Fan Control p 30 UH PRC002 EN e TRANE Sequence of Operations Separated Combustion Units Single Stage Control With power applied to the unit 1 2 The thermostat calls for heat The pressure switch measures the pressure differential between the air inlet and exhaust vent systems If the differential is correct the intermittent pilot ignition is energized Important CAUTION THE PRESSURE SWITCH MUST NOT BE BYPASSED THE UNIT MUST OOM NAAR w 11 12 DISCONNECT NOT BE FIRED UNLESS THE FLUE VENT FAN IS OPERATING When the pressure switch i
75. mum of 7 inches wc water column Pressure at the jobsite must be specified The regulator is selected to accommodate that specific pressure Discharge Nozzles Y Splitter 30 Downward 60 Downward 90 Downward Drain Pan Recommended for use with installations on the downstream side of a cooling coil Thermostats Low voltage room thermostat single stage Low voltage room thermostat two stage Low voltage duct thermostat single stage Low voltage duct thermostat two stage Universal tamper proof guard for all room thermostats Low voltage room thermostat single stage with summer winter switch Room thermostat electronic modulating control Duct thermostat electronic modulating control Override room thermostat for use with duct thermostat and electronic modulating control Separated Combustion Duct Furnaces model GM General Units are completely factory assembled piped wired and test fired All units are AGA Certified 80 percent efficient and conform with the latest ANSI Standards for safe and efficient performance UH PRC002 EN 65 e TRANE Mechanical Specifications 66 Units are provided with two point suspension hangers on propeller fan unit heaters and with four point suspension hangers on centrifugal fan unit heaters Units are available for operation on either natural or LP propane gas Standard terms and conditions apply Casing Casings are die formed 20 gauge galvanized steel and finished in baked
76. n wires 35 e TRANE Sequence of Operations Electronic Modulating Control with Duct Thermostat 0 0 DISCONNECT FAN TIME DELAY BLOWER MOTOR ES DRAFTOR WIRING FOR POWER VENTED UNITS L1 LINE 24V XFORMER 50 VA qoe BAG Wee mmc uu eee eg BLACK SUMMER WINTER SWITCH 8 XR XMEI gt we 7 t IDRAFTOR HIR ES 2 FURNACE ONE HIGH LIMIT 3 FAN TIME DELAY 107507 TS121 TD121 MAXITROL W DUCT SENSING DL 58600 IGNITOR DAS EN MV SOL emus PV SOL aM C caMMIGND BLKD DRAFTOR ONE VENT 0 5 055 gt J 1929 e oT MR1 ONE HR VALVE PER FURNACE SECTION 36 04 use 1 A1010 FOR SINGLE FUNACE A1011 FOR MULTIPLE FURNACE o2 5 10 UH PRC002 EN e TRANE Sequence of Operations Electronic Modulating Control with room thermostat UH PRC002 EN With power applied to the unit The thermostat calls for heat The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the gas valve opens Main burners are lit at 100 percent of unit s rated input WN The fan time dela
77. nergy costs down by offering 80 percent thermal efficiencies With model inputs available from 100 through 400 MBh they are designed to be installed in mildly hostile environments where dusty dirty and mildly corrosives exist or high humidity or slightly negative pressures prevail This unit operates at a static pressure up to 0 2 water column and is available with a louvered standard or flanged outlet optional when discharge duct work is desired These units separate the combustion process from the environment where the unit is installed A power venting system draws a controlled quantity of combustion air from outside the building The same system exhausts flue gas products to the outside The burners pilot and flue system are enclosed within the unit The entire combustion process is literally unaffected by the atmosphere in the space where the unit is located Separated Combustion Duct Furnace The Trane separated combustion duct furnace is designed for installation in dusty dirty or mildly corrosive environments or where high humidity or slightly negative pressures exist Ideal applications include HVAC equipment rooms manufacturing facilities automotive garages and greenhouses 02 e Application Considerations General UH PRC002 EN Propeller fan unit heaters and centrifugal fan unit heaters are designed for use in space heating applications The units are typically used in areas with high cei
78. nits are completely factory assembled piped wired and test fired All units are AGA Certified and conform with the latest ANSI Standards for safe and efficient performance Units are provided with two point suspension hangers on propeller fan unit heaters and with four point suspension hangers on centrifugal fan unit heaters All units are available for operation on either natural or LP liquid propane gas Casing Casings are die formed 20 gauge galvanized steel and finished in baked enamel The bottom panel is easily removed to provide service access to the burners pilot and orifices The pilot is also accessible through a side panel access plate All units are provided with independently adjustable horizontal louvers with stops to prevent total closure Heat Exchanger Standard heat exchanger construction consists of seam welded 20 gauge aluminized steel tubes and 18 gauge aluminized steel headers The heat exchanger burner and draft hood assembly carry a non prorated warranty to be free from defective material and workmanship for a period of ten years from date of manufacture excluding loss due to misuse negligence or corrosion by chemicals precipitated in the air Burners Burners are die formed corrosion resistant aluminized steel with stainless steel port protectors Port protectors reduce scale or foreign matter from obstructing the burner ports Burners are individually removable for ease of inspection and servicing Each bu
79. ontrol typically activated by a low voltage single stage thermostat Two Stage Control Indoor units with optional two stage control are provided with a two stage gas valve capable of firing at 100 percent and 50 percent of rated input Ignition is at low fire 50 percent of the unit s rated input and the unit is typically controlled by a low voltage two stage thermostat Electronic Modulating Control This optional control is available for use with natural gas units only Units with electronic modulating control are provided with an electronic modulating valve capable of firing from 100 percent to 50 percent of rated input Ignition is at full fire 100 percent of unit s rated input The electronic modulating valve is controlled by a room thermostat or a duct thermostat with remote setpoint adjustment which modulates the gas input from 100 percent to 50 percent of rated input An optional override room thermostat is available for use with the duct thermostat The override room thermostat allows full fire and overrides the duct thermostat when the room temperature falls below the override room thermostat s setpoint Note N A on 30 75 MBh units UH PRC002 EN UH PRC002 EN e TRANE Controls Electronic Modulating 4 20 mA 0 10 Vdc Input Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 40 percent rated input The modulating gas valve shall operate in response
80. or gravity inlet to a building Termination with a vent cap approved by the manufacturer should occur well above the snow line Figure 4 Vent termination locations minimum distance 13 e TRANE Application Considerations 14 Beyond satisfying the codes vents should be positioned away from shrubs and plants that might be affected by unseasonable warming by the exhaust Sidewall vents release a considerable amount of water vapor that may condense on cold siding adversely affecting painted surfaces Placing these vents in locations that get natural air circulation from prevailing winds may help to reduce these negative effects 1 Heat 2 Fumes 3 Humidity Separated Combustion Venting Another form of mechanical venting includes those unit heaters that use a powered exhaust also to pull in outside air Most often found on condensing furnaces separated combustion does not use room air for combustion Instead these unit heaters use a second run of pipe to supply fresh outdoor air The separated combustion approach offers several advantages First it does not use warm indoor air to fire the unit heater This saves energy by avoiding drawing unheated make up air into the living space Second the unit heater has an unlimited source of air for combustion In many of the new super insulated buildings appliances can be starved for combustion air In contaminated atmospheres the use of separated combustion unit heaters assures tha
81. ot gas if the pilot fails to light at any time This system is required by AGA on LP gas units UH PRC002 EN UH PRC002 EN e TRANE Application Considerations as standard equipment However for natural gas units you need to specify on the order Natural Gas 100 percent shutoff 2 Allunits require AGA certification or UL listed controls Our units are AGA certified and meet this requirement 3 Models with inputs of 150 000 to 400 000 Btu require mechanical exhaust and a safety interlock For our units this means a power vented or drafter equipped unit In both instances if the flue vent fan factory or field installed does not get up to speed the unit will not fire satisfying the safety interlock portion FM Requirements 1 All units must be AGA certified or UL listed Our units are AGA certified 2 The high limit control must be in a circuit the voltage of which does not exceed 120 Vac All of our high limits would meet this requirement The specific requirement for an IRI or FM Gas Train while it applies to direct and indirect fired gas heating equipment as well as oil fired comes into play only with units having an input excess of 400 000 Btu This may be one of the reasons why the majority of gas heating equipment manufacturers indirect fired limit their largest individual furnace to 400 000 Btu Minimum Maximum Gas Inlet Pressures Gas valves are suitable to a maximum inlet pressure of
82. peration Heat Exchangers All Trane heat exchangers are available in three types of steel e Aluminized Steel Standard 409 Grade Stainless Steel Optional 30 400 MBh units 321 Grade Stainless Steel Optional 100 400 MBh units 24V System All units are equipped with a 24Vcontrol system which is powered by a 24V transformer as standard equipment Fan Time Delay The fan time delay switch is mounted at the factory as standard equipment on all unit heaters optional on duct furnaces This feature eliminates an initial blast of cold air by allowing the unit to fire for a short period of time before actuating the fan motor After the thermostat is satisfied with burners off the fan continues to operate for approximately one minute removing residual heat from heat exchanger Burners All sizes 30 000 through 400 000 Btu input are equipped with a proven design pressed steel burner having a unique burner shade protective device to prevent scale or foreign matter from plugging the burner ports Energy Saving Ignition Pilot Control The pilot burner is ignited only during each cycle of operation thereby conserving energy during the off cycle LP Natural Operation All units are available for operation on either natural or LP gas from our factory Easy Access For Maintenance All Trane unit heaters are so designed that the burner access panel is removed with just two screws Burners are individually removable for inspe
83. power venter a pressure switch detects the flow of vent gas before the gas valve is allowed to open With third party drafters a centrifugal switch usually monitors the operation of the blower motor When properly installed the switch senses motor rotation and allows the gas valve to operate Interlocking the blower to the gas valve provides some control over the combustion process Using a factory unit with a pressure sensitive switch ensures that control With all their advantages power venters bring some requirements as well Each manufacturer determines the maximum length of pipe and fittings that his system can use for safe operation Remember to count the fittings and allow for their higher resistance to flow The total length of run includes not only the piping length but the resistance of all the fittings including the termination cap Many contractors have become accustomed to using B vent with natural draft units Used with power vented appliances indoors B vent is unacceptable B vent does not allow positive pressure in the vent piping to be sealed from the heated space Proper installation uses 24 gauge single wall vent pipe and each joint sealed with temperature resistant sealant or tape Contractors must also be aware of the conditions at the point of termination The National Fuel Gas Code NFPA 54 ANSI Z223 1 1992 mandates that vent system should terminate at least 4 feet below 4 feet horizontally or 1 foot above any window door
84. r tubes and headers are seam welded 20 gauge Type 409 stainless steel Type 321 Stainless Steel Heat exchanger tubes and headers are seam welded 20 gauge Type 321 stainless steel Not available on 30 45 60 and 75 MBh units Additional Options Type 409 Stainless Steel Burners Type 409 Stainless Steel Draft Diverter Orifices for elevations over 2 000 feet Summer Winter Switch Vertical Louvers Duct Discharge Flange Centrifugal fan units only Provided in lieu of louvers on units for use with field ductwork OSHA Fan Guards All Propeller Units OSHA fan guards are available as a factory installed or field installed option Field Installed Accessories High Gas Line Pressure Regulator Natural gas units only Reduces main gas line pressure to a minimum of seven inches wc water column Pressure at the jobsite must be specified The regulator is selected to accommodate that specific pressure 02 e TRANE Mechanical Specifications Thermostats Low voltage room thermostat single stage Low voltage room thermostat single stage with summer winter switch Low voltage duct thermostat single stage Universal tamper proof guard for all room thermostats Low voltage room thermostat two stage Low voltage duct thermostat two stage Room thermostat electronic modulating control Duct thermostat electronic modulating control Override room thermostat for use with duct thermostat and electronic modula
85. ramic composite hot surface element This system does not permit pilot gas to flow unless the hot surface element is present and powered The low voltage hot surface element lights the pilot quickly for fast heat delivery All wiring is 24V with no line voltage in the burner area Venting The tubular design is AGA CGA certified in accordance with Categories and venting requirements Category enables units to be vented vertically with either single or double wall venting material Category Ill allows for horizontal venting utilizing single wall venting material This venting flexibility makes installation easier and more cost effective Control Accessibility All controls are easily accessible with ignition and fan controls located in one centrally located control panel The removable door on size 30 to 75 MBh and the hinged access door on the 100 to 400 MBh provide control isolation Motor 115V ODP Motor is 115V 60 Hz single phase open drip proof with built in thermal overload protection Optional Feature Motor 115V totally enclosed Motor is 115V 60 Hz single phase totally enclosed with built in thermal overload protection Warranty The heat exchanger flue collector and burners are covered by a 10 year warranty from the date of manufacture 02 e TRANE Mechanical Specifications High Efficiency Propeller model GH and Centrifugal Fan Gas Unit Heaters model GB UH PRC002 EN General U
86. regulator We require that the job supply pressure be included on all jobs requiring high pressure regulators along with the unit size Table 1 displays the regulators range as it pertains to inlet pressure and MBh A dash requires the customer to contact a local utility or an industrial supply house These devices are not available from Trane for LP gas LP accessories must be secured from the gas supplier supply house 11 e TRANE Application Considerations Table 1 Orifice chart Rockwell 043 182 regulator Inlet Pressure Capacity in Mbh for Natural Gas psi 25 200 225 300 350 500 600 700 800 Spring Required 1 3 8 Blue only 2 3 8 3 8 Blue only 3 3 8 3 8 3 8 Blue or Green 5 378 3 8 378 378 378 378 Blue or Green 10 3 8 3 8 3 8 3 8 3 8 3 8 Blue or Green 20 1 4 1 4 1 4 1 4 1 4 5 16 Blue or Green 40 1 4 1 4 1 4 1 4 1 4 1 4 Blue or Green 60 1 8 1 8 1 8 1 8 1 8 3 16 Blue or Green 80 1 8 1 8 1 8 1 8 1 8 Blue or Green 100 1 8 1 8 1 8 1 8 1 8 1 8 Blue or Green 125 1 8 1 8 1 8 1 8 1 8 1 8 Blue or Green Venting Unit Heaters 12 Venting unit heaters and duct furnaces used to be as simple as remembering that warm air rises With the introduction of new venting equipment and safety controls things have become a little more technical Today s contractor ha
87. rner is provided with an individually adjustable manually rotated air shutter adjustment Fans Fan blades are constructed of aluminum with an aerodynamic contour All fans are dynamically balanced for quiet efficient operation and supplied with a protective type fan guard Rubber in shear isolators provide isolation between the fan motor combination and the unit heater casing All Motors Standard motors are 115V 60 Hz single phase open drip proof with built in thermal overload protection Optional Fan Unit Motors All motors are 115V 60 Hz single phase totally enclosed with built in thermal overload protection and permanently lubricated bearings Controls A factory installed junction box is provided for all power connections Standard units are provided with a 24V combination single stage redundant gas valve consisting of a combination pilot solenoid valve automatic electric gas valve pilot filter pressure regulator pilot adjustment and manual shutoff A flue vent fan relay and combustion air proving switch is also provided as standard Standard equipment includes spark ignited intermittent pilot system with electronic flame supervision A 24V control transformer high limit and fan time delay relay are provided The fan time delay relay delays the fan start until the heat exchanger reaches a predetermined temperature It also allows the fan to operate after burner shutdown removing residual heat from the heat exchanger 59
88. s Unit model GT 58 Unit is completely factory assembled piped wired and test fired Unit is AGA and CGA certified over 80 percent thermal combustion efficient These propeller type units are provided with aluminized tubular heat exchanger in shot burner hot surface pilot ignition individually adjustable and removable louvers 100 percent baked enamel finish 115 60 1 supply voltage removable access door on size 30 to 120 MBh and hinged access control panel on 150 to 400 MBh power vented single stage combination gas valve two stage available on 150 to 400 MBh 24V control transformer and 115 60 1 volt fan motor with internal overload protection The size 30 to 120 MBh are available in low profile design OSHA fan guard is standard on all units size 30 to 120 MBh Units sized 150 to 400 MBh are shipped with a non OSHA type guard the OSHA guard is available as a selectable option Tubular Heat Exchanger Heat exchanger construction consists of 20 gauge aluminized steel The tubular design provides maximum and uniform heat transfer The low pressure drop enables heated air to be evenly distributed The curved non welded serpentine design experiences less thermally induced stress making it highly durable for longer service life Cabinet The cabinet is constructed of 20 gauge cold rolled steel All components are individually electrostatically painted Hot Surface Pilot Ignition This ignition is constructed of shock resistant ce
89. s closed the power venter motor is energized The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the main gas valve opens Main burners are lit at 100 percent of the unit s rated input The fan time delay relay allows the heater to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor The unit continues to fire until the thermostat is satisfied and no longer calls for heat The main and pilot valve close The pressure switch opens and deactivates the gas control 13 The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor BLOWERIEAN e Caution Disconnect power before servicing e Unit must be grounded e Use copper conductors only xi e e of the original wire as supplied with the appliance must be replaced 5 it must be replaced with wiring 9 5 T material having a temperature rating Vairs of at least 125 C FAN TIME DELAY e High limit wires minimum 200 C DL e Refer to installation instructions for venting gas piping and start up pene procedures
90. s for heat 9 The main and pilot valves close 10 The fan time delay relay remains closed keeping the fan operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor Note This unit is equipped with a blocked vent shutoff spill switch If the venting system becomes blocked or there is continuous spillage the vent shutoff switch will shut offthe unit heater T e Caution Disconnect power before LINE IN icing 9H 115 e30 1 60 servicing T TIME DELAY 8 GLDVERY e Unit must be grounded g MOTOR e Use copper conductors only 1 5 e If any of the original wire as supplied WINTER with the appliance must be replaced it must be replaced with wiring 9 5 material having a temperature rating of at least 125 C 20 Refer to installation instructions for THERMOSTAT 58600 venting gas piping and start up URS ee EAT AC v 3 IGNITOR MV SDL RC Gee MV procedures DUCTSTAT i e Indicates Field Wiring g P7 Indicates Factory Wiring BLOCKED 2 VENT SWITCH Q 1 2 TIME DELAY 1 See Fan Control p 30 UH PRC002 EN 33 e TRANE Sequence of Operations Two Stage Control 53 34 Le LINE IN Li 115 230 1 60 TIME DELAY SUMMER Bises WINTER o 8 With power appli
91. s to know a lot more about proper venting to get the job done within code at a reasonable price For starters ANSI now categorizes vented appliances into four categories Category l includes non condensing appliances with negative vent pressure like the traditional atmospheric unit heater Category Il groups condensing appliances with negative vent pressure Category Ill appliances are non condensing and operate with a positive vent pressure like the traditional power vented unit heater Category IV covers condensing appliances with positive vent pressure Venting Categories Non Condensing Condensing Negative Vent Pressure IT Positive Vent Pressure IV Sharing Flues with Other Appliances Never connect power vented devices to common flues Mechanically vented appliances must have dedicated vents to the point of termination Power Vented Unit Heaters Mechanically vented appliances have enjoyed increasing acceptance in American facilities Power vented unit heaters allow installation without the need to penetrate expensive roofing materials They also offer more flexibility in placement of individual unit heaters UH PRC002 EN UH PRC002 EN e TRANE Application Considerations Figure 3 Power vented unit heater Mechanical venting occurs when a power blower provides a positive air flow to exhaust vent gas The blower may be mounted at the unit heater or at the point of termination With a factory installed
92. t the heat exchanger sees only non corrosive air When positioning the intake and exhaust vents on separated combustion equipment the intake and outlet must mount on the same outside surface This ensures that any wind effects balance out Remember to keep the vents at least 18 apart to avoid drawing exhaust air into the intake air With Trane s separated combustion unit heaters intake air and exhaust air run through standard 24 gauge galvanized pipe Remember that separated combustion unit heaters still have high vent UH PRC002 EN e TRANE Application Considerations temperatures Use of PVC CPVC and other plastic vent materials are inappropriate and hazardous Check the manufacturer s instructions before piping any appliance The vent gases of power vented and separated combustion unit heaters may condense on a cold start up or when vent piping runs through unheated areas To protect the heater always pitch both intake and exhaust piping toward the outside ofthe building Remember also that no power vented equipment can share a common flue with any other appliance Should a flue become blocked one appliance could vent into the occupied space Approved vent caps should be used on both the intake and exhaust terminations For greater convenience Trane offers a concentric vent adapter that allows venting through a single perforation through the building wall or roof UH PRC002 EN 15 TRANE Selection Procedure 16 Determine
93. th a 24 volt combination single stage redundant gas valve consisting of a combination pilot solenoid valve automatic electric gas valve pilot filter pressure regulator pilot adjustment and manual shutoff A flue vent fan relay and combustion air proving switch is also provided as standard Standard equipment includes spark ignited intermittent pilot system with electronic flame supervision A 24V control transformer and a high limit are provided Flue Vent Fan Flue vent fan is factory assembled to a sealed flue collection chamber and provides power venting The flue vent fan is activated in response to a low voltage 24V single stage thermostat A combustion air pressure switch is provided as standard to verify proper powered vent flow prior to allowing the gas valve to operate Control Options Two Stage Gas Valve Provides two stages of heat Ignition is at low fire BO percent of the furnace s rated input Requires the use of a two stage thermostat Thermostat not included Electronic Modulating Gas Valve Natural Gas Units Only Provides modulated heat output Ignition is at full fire 100 percent input and modulates the gas input from 100 percent to 50 percent rated input Available for use with room thermostat or duct thermostat with remote setpoint adjustment Duct thermostat available with optional override room thermostat which causes the unit to go to full fire when the room temperature falls below the override room thermostat
94. the air temperature rise is over 80 F additional supply air must be delivered to the duct furnace Selection Example 4A natural gas duct furnace that can provide 300 MBh heating output is required An airflow of 5 000 cfm is being provided to the duct furnace Select the unit as follows a From Table 14 p 27 select a GLND 040 with a 400 0 MBh input and 320 0 MBh heating output b From Figure 10 p 29 temperature rise at 5 000 cfm is 58 F and pressure drop is 0 16 inches Horizontal Blower Assembly 1 From the performance data tables select the blower assembly that provides the needed airflow at the required static pressure and determine the required motor size and fan speed If a blower assembly is to be used with a duct furnace refer to the dimensional data table to determine which blower to use with the given duct furnace The duct furnace pressure drop must be added to the pressure drop of the duct system before entering the blower assembly performance data tables Enter the performance data table at the required airflow and at the total external static pressure to determine the motor size and fan speed Selection Example A GLND 040 high efficiency duct furnace is to be used with a horizontal blower assembly An airflow of 5 000 cfm is required The pressure drop of the duct system is 0 54 inches and the pressure drop of the duct furnace is 0 16 inches Select the unit as follows a From Table 29 p 55 select
95. the applicable Trane Installation Operation and Maintenance literature for specific installation instructions Installations must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI 7223 1 When selecting a location for an indoor unit heater both the size and weight of the unit as well as the heating requirements of the building should be considered Installation of units in airplane hangars or public garages should be in accordance with NFPA No 409 for aircraft hangars and NFPA No 88 for garages For proper distribution air should be directed towards areas of maximum heat loss When multiple units are used circulation of heated air around the space perimeter is recommended Satisfactory results can also be obtained where multiple units are located toward the center of the area with 02 UH PRC002 EN e TRANE Application Considerations heated air being discharged toward the outside walls Throw data for standard unit heaters and unit heaters utilizing optional discharge nozzles is shown in General Data p 20 Locations where extreme drafts can affect burner operation should be avoided Strong drafts may cause pilot outage Units with intermittent pilot ignition may be preferable in areas where drafts are likely Minimum clearances required for accessibility and safety are listed in Table 2 p 20 Mounting Detail Hanging Hardware Supplied by Others
96. ting control Discharge Nozzles Y Splitter 30 Downward 60 Downward 90 Downward Separated Combustion Centrifugal model GK and Propeller Fan Gas Unit Heaters model GA UH PRC002 EN General Units are completely factory assembled piped wired and test fired All units are AGA Certified 80 percent efficient and conform with the latest ANSI Standards for safe and efficient performance Units are provided with two point suspension hangers on propeller fan unit heaters and with four point suspension hangers on centrifugal fan unit heaters Units are available for operation on either natural or LP propane gas Standard terms and conditions apply Casing Casings are die formed 20 gauge galvanized steel and finished in baked enamel The bottom panel is easily removed to provide service access to the burners pilot and orifice All units provided with independently adjustable horizontal louvers with stops to prevent total closure Heat Exchanger Standard heat exchanger construction consists of seam welded 20 gauge aluminized steel tubes and 18 gauge aluminized steel headers Burners Burners are die formed corrosion resistant aluminized steel with stainless steel port protectors Port protectors prevent scale or foreign matter from obstructing the burner ports Burners individually removable for ease of inspection and servicing Each burner is provided with an individually adjustable manually rotated air shutter adjustment
97. tor Relay Junction Box Table 31 Factory installed flue vent data standard on separated combustion units Unit Size Input MBh 30 45 60 75 100 125 150 175 200 225 250 300 350 400 Flue Flue Outlet in 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 5 1 8 Recommended Flue Size in 4R 4R 4R 4R 4R 4R 4R 4R 5R 5R 5R 6R 6R 6R Maximum Length of Runta ft 50 50 50 50 50 50 50 50 50 50 50 50 50 50 Combustion Air Combustion Air Inlet in 4R 4R 4R 4R 4R 4R 4R 4R 5R 5R 5R 6 OV 6 OV 6 OV Maximum Length of Runta ft 50 50 50 50 50 50 50 50 50 50 50 50 50 50 Notes 1 Horizontal vent pipes should be pitched downward 1 4 inch per foot toward the outlet for condensate drainage 2 Motors are 1 20 hp All fans are 115 V and draw 1 5 amps a Flue outlet or combustion air inlet pipe equivalent length must not less than 5 feet and must not exceed 50 feet Equivalent length is the total length of straight sections plus 15 feet for each 90 elbow and 8 feet for each 45 elbow 56 02 e TRANE Dimensions and Weights aS 11 LL ES pe ze Sear pm lid e il 1 D 22 andan
98. urnaces model GL UH PRC002 EN General Units are completely factory assembled piped wired and test fired All units are AGA Certified and conform with the latest ANSI Standards for safe and efficient performance Units are provided with four point suspension hangers and are available for operation on either natural or LP propane gas Casing Casings are die formed 20 gauge galvanized steel and finished in baked enamel The bottom panel is easily removed to provide access to the burners pilot and orifices The pilot is also accessible 63 e TRANE Mechanical Specifications 64 through a side panel access plate The high limit switch is accessible through a side panel access Duct discharge flanges for simple ductwork connection are provided Heat Exchanger Standard heat exchanger construction consists of seam welded 20 gauge aluminized steel tubes and 18 gauge aluminized steel headers Burners Burners are die formed corrosion resistant aluminized steel with stainless steel port protectors Port protectors prevent foreign matter from obstructing the burner ports Burners individually removable for ease of inspection and servicing Each burner is provided with an individually adjustable manually rotated air shutter adjustment Air shutter adjustment is fixed when side access burner drawer is supplied Controls A factory installed junction box is provided for all power connections Standards units are provided wi
99. w at nominal airflow Unit Size Distance From Floor Input MBh kW to PU H 100 125 150 175 200 225 250 300 350 400 29 3 36 6 43 9 51 2 58 6 65 9 73 2 878 102 5 1i7 i 8 75 80 85 90 95 100 TIO 125 130 138 2 4 22 9 24 4 25 9 27 4 29 0 30 5 33 5 38 1 39 6 42 1 10 65 70 75 79 83 88 95 109 115 120 3 0 19 8 21 3 22 9 24 1 25 3 26 8 29 0 33 2 35 1 36 6 12 60 64 68 72 76 80 84 100 103 108 3 7 18 3 19 8 20 7 21 9 23 2 24 4 25 6 30 5 31 4 32 9 15 50 54 56 61 65 68 71 85 88 94 4 6 15 2 16 5 17 1 18 6 19 8 20 7 21 6 25 9 26 8 28 7 20 49 52 55 59 61 65 77 81 85 6 1 14 9 15 8 16 8 18 0 18 6 19 8 23 5 24 7 25 9 UH PRC002 EN 21 e TRANE General Data Figure 8 90 nozzle Table 6 90 degree nozzle approximate floor coverage at nominal airflow Distance From Floor to Bottom of Unit H ft m 10 15 20 25 30 Unit Size 3 0 4 6 6 1 7 6 9 1 100 30x25 9 1 x 7 6 125 35 x 30 10 7 x 9 1 150 40 x 35 12 2 x 10 7 175 45 x 40 13 7 x 12 2 200 50 x 40 40 x 35 15 2 x 12 2 12 2 x 10 7 225 55 x 40 48 x 35 16 8 x 12 2 14 6 x 10 7 250 60x 45 56 x 40 50x35 18 3 x 13 7 17 1 x 12 2 15 2 x 10 7 300 70 x 45 65 x 40 60 x 35 55 x 35 21 3 x
100. wire as supplied L CN with the appliance must be replaced it must be replaced with wiring Lad TE material having a temperature rating of at least 125 ORATOR e High limit wires minimum 200 C Lg ec 23512 oto IGNTOR MVSOL aw 7992 Jo e Refer to installation instructions for oF venting gas piping and start up JN oo GND procedures i 1 2av HOT e Indicates Field Wiring sean 2500 e Indicates Factory Wiring RELAY 1 8 4 TIME DELAY 9 UH PRC002 EN 1 See Fan Control p 30 39 e TRANE Sequence of Operations Two Stage Control Intermittent Pilot With power applied to the unit 1 The first stage of the thermostat calls for heat 2 The pressure switch measures the flow through the vent system and energizes the intermittent pilot when the flow is correct Important CAUTION THE PRESSURE SWITCH MUST NOT BE BYPASSED THE UNIT MUST NOT BE FIRED UNLESS THE FLUE VENT FAN IS OPERATING If this procedure is not followed there may be a gas buildup that could cause an explosion The pressure switch closes and activates the flue vent fan The pilot valve opens The ignitor sparks continuously to ignite the pilot The sensor proves pilot ignition and shuts off the ignitor With the pilot lit the main gas valve opens to low fire Main burners are lit at 50 percent of unit s rated input OM NAAR w The fan time delay rel
101. y relay optional on duct furnaces allows the heat exchanger to come up to operating temperature At this time the fan time delay relay closes and activates the fan motor 8 The unit is controlled by the electronic thermostat which modulates the unit from 100 to 50 percent of unit s rated input An amplifier receives a small electrical signal from the thermostat and converts this into a working voltage This working voltage determines the position of the modulating valve With no voltage applied to the valve the valve will be full open and full fire will occur As increasing voltage is applied to the valve the valve will modulate closed At approximately 12 Vdc the valve will be at its minimum low fire position If the voltage continues to increase indicating a further reduction in the unit s firing is required the increased voltage closes a relay which closes the automatic gas valve As temperature drops the voltage also drops causing the relay to re open the valve The unit will continue to cycle in this manner until either an increase in the unit s firing rate is required or the thermostat is satisfied and no longer calls for heat 9 When the room thermostat is satisfied the main and pilot valves close 10 The fan time delay relay optional on duct furnaces remains closed keeping the fan motor operating to dissipate residual heat from the heat exchanger At this time the fan time delay relay opens and deactivates the fan motor 1 S

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