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22-1836-07

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Upflow/ Horizontal Downflow/Horizontal Condensing, Direct Vent Gas-Fired Furnace XR 95 TUH1B040A9241A, TUH1B080A9421A, TUH1C100A9481A, TUH1D120A9601A, TDH1B065A9421A, TDH1D110A9601A TUH1B060A9361A, TUH1C080A9601A, TUH1D100A9601A, TDH1B040A9241A, TDH1C085A9481A, Single-Stage Fan Assisted Combustion System *UH1 UPFLOW *UH1 UPFLOW/HORIZONTAL *DH1 DOWNFLOW *DH1 DOWNFLOW/HORIZONTAL PUB. NO. 22-1836-07 General Features NATURAL GAS MODELS Central Heating furnace designs are certified to ANSI Z21.47 / CSA 2.3 for both natural and L.P. gas. Limit setting and rating data were established and approved under standard rating conditions using American National Standards Institute standards. SAFE OPERATION The Integrated System Control has solid state devices, which continuously monitor for presence of flame, when the system is in the heating mode of operation. Dual solenoid combination gas valve and regulator provide extra safety. QUICK HEATING Durable, cycle tested, heavy gauge aluminized steel heat exchanger quickly transfers heat to provide warm conditioned air to the structure. Low energy power vent blower, to increase efficiency and provide a positive discharge of gas fumes to the outside. BURNERS Multiport Inshot burners will give years of quiet and efficient service. All models can be converted to L.P. gas without changing burners. INTEGRATED SYSTEM CONTROL Exclusively designed operational program provides total control of furnace limit sensors, blowers, gas valve, flame control and includes self diagnostics for ease of service. Also contains connection points for E.A.C./humidifier. © 2011 Trane All Rights Reserved Features and Benefits AIR DELIVERY The four speed, direct drive blower motor, has sufficient airflow for most heating and cooling requirements, will switch from heating to cooling speeds on demand from room thermostat. The blower door safety switch will prevent or terminate furnace operation when the blower door is removed. XR 95 Standard Equipment • Power supply 115/1/60 • Convertible to horizontal • Type 29-4C™ stainless steel secondary heat exchanger • Inner blower doors • Direct drive, 4-speed motors STYLING Heavy gauge steel and “wrap-around” cabinet construction is used in the cabinet with baked-on enamel finish for strength and beauty. The heat exchanger section of the cabinet is completely lined with foil faced fiberglass insulation. This results in quiet and efficient operation due to the excellent acoustical and insulating qualities of fiberglass. Built-in bottom pan and alternate bottom, left or right side return air connection provision. • Silicon Nitride igniter with adaptive heat up FEATURES AND GENERAL OPERATION The XR 95 High Efficiency Gas Furnaces employ a Silicon Nitride Hot Surface Ignition system, which eliminates the waste of a constant burning pilot. The integrated system control lights the main burners upon a demand for heat from the room thermostat. Complete front service access. • Selectable cooling fan off delay eliminates need for BAY24X045 time delay relay a. Low energy power venter • Accessory hook-up capability – Hum and EAC • Quiet induced draft blower • Blower door safety switch • Dual solenoid combination gas valve & regulator • PVC venting – 1 or 2 pipe vent option • Left/right gas connection • Single wire twinning • Integrated solid state control with selfdiagnostics • 24 volt fuse • Manual reset burner box limit • Optional extended warranties b. Vent proving pressure switch. 2 22-1836-07 Contents General Features 2 Features and Benefits 2 XR 95 Standard Equipment XR 95 Optional Equipment General Data 22-1836-07 2 4 5 TUH1B040A9241A TUH1B060A9361A TUH1B080A9421A TUH1C080A9601A TUH1C100A9481A TUH1D100A9601A TUH1D120A9601A TDH1B040A9241A TDH1B065A9421A TDH1C085A9481A TDH1D110A9601A 5 5 5 6 6 6 6 7 7 7 7 Performance Data 8 Electrical Data 10 Field Wiring 14 Twinning Field Wiring 15 Dimensions 16 3 Features and Benefits XR 95 Optional Equipment Comfort Control, XL803, Programmable 7 Day, 3-Ht, 2-Cl ........................................................................... TCONT803AS32DA [ Comfort Control, XR402, Electric, 3-Ht, 2-Cl (Non-programmable) .............................................................. TCONT402AN32DA [ For additional comfort control choices, see the product catalog or quick select handbook Propane Conversion Kit ....................................................................................................................................... BAYLPKT210B [ Propane Conversion Kit (stainless steel burners) ................................................................................................ BAYLPSS210B [ Downflow Subbase ................................................................................................................................................ BAYBASE205 [ Filter Access Door Kit .............................................................................................................................................. BAYFLTR206 [ Side Filter Rack ....................................................................................................................................................... BAYFLTR200 [ High Altitude Pressure Switch Kit TUH1B040, TDH1B040, TDH1C085 ......................................................... BAYSWT01AHALTA [ High Altitude Pressure Switch Kit TUH1B060, TUH1D100, TUH1D120 ......................................................... BAYSWT04AHALTA [ High Altitude Pressure Switch Kit TUH1B080, TUH1C100, TDH1D110 ......................................................... BAYSWT05AHALTA [ High Altitude Pressure Switch Kit TUH1C080 ............................................................................................... BAYSWT11AHALTA [ High Altitude Pressure Switch Kit TDH1B065 ................................................................................................ BAYSWT12AHALTA [ Concentric Vent Kit ......................................................................................................................................... BAYAIR30AVENTA [ Sidewall Vent Termination Kit .............................................................................................................................. BAYVENT200B [ Manufactured/Mobile Home Kit ........................................................................................................................... BAYMFGH100A [ 4 ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] 22-1836-07 General Data Product Specifications 1 MODEL TYPE RATINGS 2 Input BTUH Capacity BTUH (ICS) 3 AFUE (ICS) Temp. rise (Min.-Max.) °F. BLOWER DRIVE Diameter - Width (In.) No. Used Speeds (No.) CFM vs. in. w.g. Motor HP R.P.M. Volts / Ph / Hz COMBUSTION FAN - Type Drive - No. Speeds Motor HP - RPM Volts / Ph / Hz FLA FILTER — Furnished? Type Recommended Hi Vel. (No.-Size-Thk.) VENT PIPE DIAMETER — Min (In.) 56 HEAT EXCHANGER Type-Fired -Unfired Gauge (Fired) ORIFICES — Main Nat. Gas. Qty. — Drill Size L.P. Gas Qty. — Drill Size GAS VALVE PILOT SAFETY DEVICE Type BURNERS — Type Number POWER CONN. — V / Ph / Hz 4 Ampacity (In Amps) Max. Overcurrent Protection (Amps) PIPE CONN. SIZE (IN.) DIMENSIONS Crated (In.) WEIGHT Shipping (Lbs.) / Net (Lbs) TUH1B040A9241A Upflow / Horizontal TUH1B060A9361A Upflow / Horizontal TUH1B080A9421A Upflow / Horizontal 40,000 38,000 95.0 30 - 60 DIRECT 9x7 1 4 See Fan Performance Table 1/5 1075 115/1/60 Centrifugal Direct - 1 1/55 - 3000 115/1/60 1.0 No High Velocity 1 - 17x25 - 1in. 2 Round 60,000 57,000 95.0 30 - 60 DIRECT 10 x 7 1 4 See Fan Performance Table 1/3 1075 115/1/60 Centrifugal Direct - 1 1/55 - 3450 115/1/60 1.75 No High Velocity 1 - 17x25 - 1in. 2 Round 80,000 76,000 95.0 35 - 65 DIRECT 11 x 8 1 4 See Fan Performance Table 1/2 1075 115/1/60 Centrifugal Direct - 1 1/24 - 3450 115/1/60 0.71 No High Velocity 1 - 17x25 - 1in. Aluminized Steel - Type I Aluminized Steel - Type I Aluminized Steel - Type I 20 20 20 2 — 45 2 — 56 Redundant - Single Stage 3 — 45 3 — 56 Redundant - Single Stage 4 — 45 4 — 56 Redundant - Single Stage Hot Surface Ignition Multiport Inshot 2 115/1/60 5.2 15 1/2 HxWxD 41-3/4 x 19-1/2 x 30-1/2 Hot Surface Ignition Multiport Inshot 3 115/1/60 9.2 15 1/2 HxWxD 41-3/4 x 19-1/2 x 30-1/2 Hot Surface Ignition Multiport Inshot 4 115/1/60 10.2 15 1/2 HxWxD 41-3/4 x 19-1/2 x 30-1/2 139 / 129 150 / 140 158 / 148 3 Round Notes 1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. 5 Refer to the Vent Length Table in the Installer's Guide or the Allowable Vent Length label located on the furnace. 6 All *UH1 and *DH1 furnace models have a vent outlet diameter that equals 2". 22-1836-07 5 General Data Product Specifications 1 TUH1C080A9601A MODEL Upflow / Horizontal TYPE RATINGS 2 80,000 Input BTUH 76,000 Capacity BTUH (ICS) 3 95.0 AFUE (ICS) 30 - 60 Temp. rise (Min.-Max.) °F. DIRECT BLOWER DRIVE 11 x 10 Diameter - Width (In.) 1 No. Used 4 Speeds (No.) See Fan Performance Table CFM vs. in. w.g. 3/4 Motor HP 1100 R.P.M. 115/1/60 Volts / Ph / Hz Centrifugal COMBUSTION FAN - Type Direct - 1 Drive - No. Speeds 1/20 - 3450 Motor HP - RPM 115/1/60 Volts / Ph / Hz 0.71 FLA No FILTER — Furnished? High Velocity Type Recommended 1 - 20x25 - 1in. Hi Vel. (No.-Size-Thk.) VENT PIPE DIAMETER — Min (In.) 56 3 Round HEAT EXCHANGER Aluminized Steel - Type I Type-Fired -Unfired 20 Gauge (Fired) ORIFICES — Main 4 — 45 Nat. Gas. Qty. — Drill Size 4 — 56 L.P. Gas Qty. — Drill Size Redundant - Single Stage GAS VALVE PILOT SAFETY DEVICE Hot Surface Ignition Type Multiport Inshot BURNERS — Type 4 Number 115/1/60 POWER CONN. — V / Ph / Hz 4 13.5 Ampacity (In Amps) 20 Max. Overcurrent Protection (Amps) 1/2 PIPE CONN. SIZE (IN.) HxWxD DIMENSIONS 41-3/4 x 23 x 30-1/2 Crated (In.) WEIGHT Shipping (Lbs.) / Net (Lbs) 171 / 160 TUH1C100A9481A Upflow / Horizontal TUH1D100A9601A Upflow / Horizontal TUH1D120A9601A Upflow / Horizontal 97,000 92,150 95.0 35 - 65 DIRECT 10 x 10 1 4 See Fan Performance Table 1/2 1075 115/1/60 Centrifugal Direct - 1 1/20 - 3450 115/1/60 0.71 No High Velocity 1 - 20x25 - 1in. 3 Round 97,000 92,150 95.0 35 - 65 DIRECT 11 x 10 1 4 See Fan Performance Table 3/4 1100 115/1/60 Centrifugal Direct - 1 1/20 - 3450 115/1/60 0.71 No High Velocity 1 - 24x25 - 1in. 3 Round 110,000 104,500 95.0 40 - 70 DIRECT 11 x 10 1 4 See Fan Performance Table 3/4 1100 115/1/60 Centrifugal Direct - 1 1/20 - 3450 115/1/60 0.71 No High Velocity 1 - 24x25 - 1in. 3 Round Aluminized Steel - Type I Aluminized Steel - Type I Aluminized Steel - Type I 20 20 20 5 — 45 5 — 56 Redundant - Single Stage 5 — 45 5 — 56 Redundant - Single Stage 6 — 45 6 — 56 Redundant - Single Stage Hot Surface Ignition Multiport Inshot 5 115/1/60 12.5 20 1/2 HxWxD 41-3/4 x 23 x 30-1/2 Hot Surface Ignition Multiport Inshot 5 115/1/60 12.9 20 1/2 HxWxD 41-3/4 x 26-1/2 x 30-1/2 Hot Surface Ignition Multiport Inshot 6 115/1/60 12.9 20 1/2 HxWxD 41-3/4 x 26-1/2 x 30-1/2 171 / 160 197 / 185 205 / 193 Notes 1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. 5 Refer to the Vent Length Table in the Installer's Guide or the Allowable Vent Length label located on the furnace. 6 All *UH1 and *DH1 furnace models have a vent outlet diameter that equals 2". 6 22-1836-07 General Data Product Specifications 1 MODEL TYPE RATINGS 2 Input BTUH Capacity BTUH (ICS) 3 AFUE (ICS) Temp. rise (Min.-Max.) °F. BLOWER DRIVE Diameter - Width (In.) No. Used Speeds (No.) CFM vs. in. w.g. Motor HP R.P.M. Volts / Ph / Hz TDH1B040A9241A Downflow / Horizontal 40,000 38,000 95.0 30 - 60 DIRECT 10 x 7 1 4 See Fan Performance Table 1/5 1080 115/1/60 COMBUSTION FAN - Type Centrifugal Drive - No. Speeds Direct - 1 Motor HP - RPM 1/55 - 3000 Volts / Ph / Hz 115/1/60 FLA 1.14 FILTER — Furnished? No Type Recommended High Velocity Hi Vel. (No.-Size-Thk.) 2 - 14x20 - 1in. VENT PIPE DIAMETER — Min (In.) 56 2 Round HEAT EXCHANGER Type-Fired Aluminized Steel - Type I -Unfired Gauge (Fired) 20 ORIFICES — Main Nat. Gas. Qty. — Drill Size 2 — 45 L.P. Gas Qty. — Drill Size 2 — 56 GAS VALVE Redundant - Single Stage PILOT SAFETY DEVICE Type Hot Surface Ignition BURNERS — Type Multiport Inshot Number 2 POWER CONN. — V / Ph / Hz 4 115/1/60 Ampacity (In Amps) 4.8 Max. Overcurrent Protection (Amps) 15 PIPE CONN. SIZE (IN.) 1/2 DIMENSIONS HxWxD Crated (In.) 41-3/4 x 19-1/2 x 30-1/2 WEIGHT Shipping (Lbs.) / Net (Lbs) 145 / 135 TDH1B065A9421A Downflow / Horizontal TDH1C085A9481A Downflow / Horizontal TDH1D110A9601A Downflow / Horizontal 60,000 57,000 95.0 25 - 55 DIRECT 11 x 8 1 4 See Fan Performance Table 1/2 1075 115/1/60 Centrifugal Direct - 1 1/25 - 3200 115/1/60 1.35 No High Velocity 2 - 14x20 - 1in. 2 Round 80,000 76,000 95.0 30 - 60 DIRECT 11 x 10 1 4 See Fan Performance Table 1/2 1075 115/1/60 Centrifugal Direct - 1 1/20 - 3450 115/1/60 0.71 No High Velocity 2 - 16x20 - 1in. 2.5 Round 110,000 104,500 95.0 35 - 65 DIRECT 11 x 10 1 4 See Fan Performance Table 3/4 1100 115/1/60 Centrifugal Direct - 1 1/20 - 3450 115/1/60 0.71 No High Velocity 2 - 16x20 - 1in. 2.5 Round Aluminized Steel - Type I Aluminized Steel - Type I Aluminized Steel - Type I 20 20 20 4 — 48 4 — 56 Redundant - Single Stage 5 — 48 5 — 56 Redundant - Single Stage 6 — 48 6 — 56 Redundant - Single Stage Hot Surface Ignition Multiport Inshot 4 115/1/60 11.4 15 1/2 HxWxD 41-3/4 x 19-1/2 x 30-1/2 Hot Surface Ignition Multiport Inshot 5 115/1/60 12.5 20 1/2 HxWxD 41-3/4 x 23 x 30-1/2 Hot Surface Ignition Multiport Inshot 6 115/1/60 12.9 20 1/2 HxWxD 41-3/4 x 26-1/2 x 30-1/2 158 / 148 171 / 160 205 / 193 Notes 1 Central Furnace heating designs are certified to ANSI Z21.47 / CSA 2.3 2 For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per 1,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,500 feet, derate 4% per 1,000 feet for elevations above 4,500 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. 5 Refer to the Vent Length Table in the Installer's Guide or the Allowable Vent Length label located on the furnace. 6 All *UH1 and *DH1 furnace models have a vent outlet diameter that equals 2". 22-1836-07 7 Performance Data FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (in. w.c.) MODEL SPEED TAP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 *UH1B040A9241A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1043 940 837 729 992 895 798 694 930 841 752 657 885 791 705 600 812 726 649 545 740 650 560 478 647 559 438 376 518 420 305 220 457 390 279 178 *UH1B060A9361A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1359 1232 1077 926 1313 1199 1054 913 1264 1161 1027 895 1204 1116 994 871 1144 1065 953 836 1079 1004 904 792 1004 934 845 733 919 852 768 670 812 744 666 570 *UH1B080A9421A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1646 1366 1175 1004 1611 1356 1159 994 1573 1337 1145 997 1530 1311 1130 982 1477 1280 1108 963 1421 1243 1081 943 1360 1197 1045 907 1289 1139 993 866 1200 1060 929 824 *UH1C080A9601A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 2235 1921 1618 1334 2194 1904 1604 1331 2152 1888 1591 1327 2105 1861 1577 1320 2057 1835 1563 1313 1987 1797 1539 1290 1916 1760 1515 1266 1836 1698 1466 1229 1757 1636 1416 1192 *UH1C100A9481A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1982 1892 1759 1593 1912 1832 1712 1557 1836 1765 1660 1521 1761 1696 1604 1485 1679 1621 1536 1433 1593 1538 1465 1370 1496 1446 1383 1294 1389 1342 1275 1182 1267 1205 1149 1068 *UH1D100A9601A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 2339 2045 1719 1436 2287 2021 1703 1430 2235 1996 1693 1430 2168 1947 1671 1414 2100 1897 1649 1398 2021 1836 1607 1372 1941 1774 1565 1344 1858 1701 1498 1287 1773 1629 1431 1230 *UH1D120A9601A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 2380 2042 1695 1402 2334 2029 1690 1404 2287 2016 1684 1406 2241 1984 1668 1397 2193 1952 1652 1387 2118 1892 1627 1358 2043 1830 1601 1328 1956 1771 1545 1285 1870 1712 1489 1242 *= First letter may be "A" or "T" CFM VS. TEMPERATURE RISE MODEL *UH1B040A9241A Cubic Feet Per Minute (CFM) 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 59 50 44 39 35 59 53 48 44 41 38 *UH1B080A9421A 64 59 54 50 47 44 41 *UH1C080A9601A 64 59 54 50 47 44 41 *UH1C100A9481A 68 63 59 55 52 49 46 44 *UH1D100A9601A 68 63 59 55 52 49 46 44 42 40 38 37 70 66 62 59 56 53 50 48 46 44 *UH1B060A9361A *UH1D120A9601A *= First letter may be "A" or "T" 8 22-1836-07 Performance Data FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (in. w.c.) MODEL SPEED TAP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 *DH1B040A9241A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 998 856 753 647 965 832 728 617 922 797 694 581 870 751 650 538 807 695 596 490 735 628 533 435 653 550 460 375 561 462 378 308 459 363 286 235 *DH1B065A9421A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1501 1442 1346 1225 1453 1393 1308 1197 1402 1341 1263 1160 1344 1285 1212 1116 1283 1227 1155 1062 1216 1166 1092 1001 1145 1103 1024 931 1068 1037 950 853 986 968 869 766 *DH1C085A9481A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 1835 1726 1581 1401 1772 1674 1539 1374 1709 1622 1498 1346 1637 1557 1440 1308 1566 1492 1383 1269 1485 1416 1321 1209 1405 1340 1258 1148 1313 1252 1172 1075 1222 1164 1085 1001 *DH1D110A9601A 4 - HIGH - Black 3 - MED.-HIGH - Blue 2 - MED.-LOW - Yellow 1 - LOW - Red 2147 1995 1712 1424 2074 1940 1681 1408 2000 1885 1649 1392 1941 1827 1602 1367 1881 1767 1555 1341 1807 1699 1505 1296 1732 1631 1455 1251 1655 1547 1381 1188 1576 1462 1307 1124 *= First letter may be "A" or "T" CFM VS. TEMPERATURE RISE MODEL *DH1B040A9241A *DH1B065A9421A Cubic Feet Per Minute (CFM) 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 59 50 44 39 35 75 66 59 53 48 44 41 38 35 70 64 59 54 50 47 44 41 39 37 88 81 74 69 65 60 57 54 51 *DH1C085A9481A *DH1D110A9601A *= First letter may be "A" or "T" 22-1836-07 9 48 46 Electrical Data TUH1 Wiring From Dwg. D343498 Rev. 2 10 22-1836-07 Electrical Data TUH1 Schematic From Dwg. D343498 Rev. 2 22-1836-07 11 Electrical Data From Dwg. D343814P01 Rev.0 12 22-1836-07 Electrical Data From Dwg. D343814P01 Rev.0 22-1836-07 13 Field Wiring FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE 1 STAGE HEATING, 1 STAGE COOLING USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT (OUTDOOR SECTION WITHOUT TRANSFORMER) FURNACE OUTDOOR UNIT (NO TRANSFORMER) SEE NOTE 6 B/C SEE NOTE 8 B/C TO 115 V 1 PH., 60 HZ., POWER SUPPLY PER LOCAL CODES HUM SEE NOTE 5 EAC SEE NOTE 5 14 From drawing B340388 Rv 2 22-1836-07 Twinning Field Wiring 1 STAGE HEAT ONLY THERMOSTAT (WITH FAN SWITCH) TWINNING CONNECTION DIAGRAM FOR TWINNING 1 STAGE FURNACES WITH SINGLE WIRE TWINNING FEATURE 1 STAGE HEATING ONLY THERMOSTAT FURNACE NO. 2 FURNACE NO. 1 BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZED WITH UNIT NO. 1 VIA SIGNALS FROM TWIN CONNECTION. TWIN TWIN SEE NOTE 4 ISOLATION RELAY (FIELD SUPPLIED) SEE NOTE 4 R1 R1 ISOLATION RELAY SEE NOTE 4 B/C SEE NOTE 3 B/C B/C From Dwg. 21B341422 Rev. 3 OUTDOOR UNIT (WITH TRANSFORMER) 1 STAGE HEATING / COOLING THERMOSTAT TWINNING CONNECTION DIAGRAM FOR TWINNING 1 STAGE FURNACES WITH SINGLE WIRE TWINNING FEATURE 1 STAGE HEAT / 1 STAGE COOL THERMOSTAT FURNACE NO. 2 FURNACE NO. 1 BLOWER OPERATION OF UNIT NO. 2 IS SYNCRONIZED WITH UNIT NO. 1 VIA SIGNALS FROM TWIN CONNECTION. TWIN TWIN RC ISOLATION RELAY (FIELD SUPPLIED) SEE NOTE 3 SEE NOTE 4 OUTDOOR UNIT (NO TRANSFORMER) R1 ISOLATION RELAY SEE NOTE 4 B/C SEE NOTE 5 R1 B/C B/C ISOLATION RELAY (FIELD SUPPLIED) SEE NOTE 4 22-1836-07 15 From Dwg. 21B341423 Rev. 2 (ALL DIMENSIONS ARE IN INCHES) *UH1 OUTLINE DRAWING, UPFLOW / HORIZONTAL From Dwg. C341884 1. *UH1D120A9601 AND *UH1B080A9421 REQUIRE 3” DIAMETER VENT PIPE. *UH1C100A9481 & UH1D100A9601 REQUIRES 2-1/2” OR 3” DIAMETER VENT PIPE. 2. DIAMETER OF VENT PIPE MAY BE LIMITED TO 2-1/2” OR 3” ON SOME MODELS AT DIFFERENT ALTITUDES. REFER TO THE VENT LENGTH TABLE FOR PROPER APPLICATION. Dimensions 16 22-1836-07 22-1836-07 17 4 4  4 74  1234567689 74 123456 897 4 12346 8974 1234244689 64 18  !"#$%8& 3617898 12345 (ALL DIMENSIONS ARE IN INCHES) 4 4  4  47 3618 8  494  4  3617838 From Dwg. C341885 Rev. 7 47 497 4 47 36178 8 *DH1 OUTLINE DRAWING, DOWNFLOW / HORIZONTAL Dimensions Trane 6200 Troup Highway Tyler, TX 75707 www.trane.com Literature Order Number 22-1836-07 File Number 22-1836-07 Supersedes 22-1836-05 Date 08/11 Trane has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice.