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DIRECT-VENT DOWNFLOW
351DAS
CONDENSING GAS FURNACE
Size 080
for MANUFACTURED HOUSING
Series A
Flow-Through Secondary Heat Exchangers—Each cell is lami-
TM
nated with our patented Everlastic polypropylene for greater
resistance to corrosion. This breakthrough in heating technology
helps extend the life of the furnace for years of trouble-free per-
formance.
Warranty—Limited 20-year Warranty on the heat exchangers
for the original owner in single family residence. C
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—2— INLET 11 3 ⁄16" 24 ⁄16" 11 11 /16" E /16" INLET 1 1 24 ⁄2" 18 ⁄4" 9 27 ⁄16" TYP 5 27 ⁄8" 11 11 22 ⁄16" 29 ⁄16" 7 ⁄8-IN. DIA TYP ACCESSORY 11 22 ⁄16" POWER ENTRY 13 30 ⁄16" 5 32 ⁄8" 2-IN. VENT CONN 1 1 7 30 ⁄2" ⁄2-IN. DIA 39 ⁄8" TYP 1 1 THERMOSTAT ENTRY 33 ⁄4" ⁄2-IN. DIA TYP THERMOSTAT ENTRY 2-IN. VENT CONN 7 ⁄8-IN. DIA 1 ⁄2-IN. DIA POWER CONN 7 GAS CONN ⁄8-IN. DIA 1 ⁄2-IN. DIA POWER CONN GAS CONN CONDENSATE DRAIN 2-IN. TRAP LOCATION COMBUSTION- OR ALTERNATE CONDENSATE DR
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INSTALLATION This forced air furnace is equipped for use with natural or propane gas at altitudes 0 - 10,000 ft (0 - 3,050m). This furnace is for indoor installation in a manufactured (mobile) or modular home. This furnace may be installed on combustible flooring in alcove or closet at minimum clearance from combustible material. This appliance requires a special venting system. Refer to the installation instructions for parts list and method of installation. This furnace is for use wit
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SPECIFICATIONS UNIT SIZE 036080 048080 060080 RATINGS AND PERFORMANCE Input Btuh* 80,000 80,000 80,000 Output Capacity† ICS Downflow 75,000 75,000 75,000 AFUE%† Nonweatherized ICS Downflow 90.0 90.0 90.0 Certified Temperature Rise Range °F 40—70 30—60 20—50 Certified External Static Pressure Heating 0.15 0.15 0.15 Cooling 0.50 0.50 0.50 Airflow CFM‡ Heating 1190 1285 1785 Cooling 1245 1525 1925 ELECTRICAL Unit Volts—Hertz—Phase 115—60—1 Operating Voltage Range Min—Ma
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COMBUSTION-AIR AND VENT PIPING MAXIMUM ALLOWABLE PIPE LENGTH (FT) ALTITUDE NUMBER OF 90° ELBOWS ABOVE SEA PIPE DIA LEVEL (FT) UNIT SIZE TERMINATION TYPE (IN.)* 123456 1-1/2 10 NA NA NA NA NA 036080 0 to 2000 048080 2 Pipe or 2-In. Concentric 2 555035303020 060080 2-1/2 70 70 70 70 70 70 036080 2 494430252515 2001 to 3000 048080 2 Pipe or 2-In. Concentric 2-1/2 70 70 70 70 70 70 060080 036080 2 464128232213 3001 to 4000 048080 2 Pipe or 2-In. Concentric 2-/12 70 70 70 70 7
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CANADIAN GAS ASSOCIATION CONDENSATE TRAP FURNACE CONDENSATE DOOR 1 ⁄4 OD TRAP COLLECTOR BOX TO TRAP RELIEF PORT FURNACE 1 1 2 SIDE 1 ⁄2 OD INDUCER HOUSING DRAIN CONNECTION 3 4 5 ⁄8 OD COLLECTOR BOX 7 4 8 DRAIN CONNECTION 1 7 8 SCREW HOLES FOR 3 1 4 DOWNFLOW (OPTIONAL) 7 8 WIRE TIE 1 1 FIELD 26 4 1 1 2 1 GUIDES 2 4 ⁄2-IN. PVC OR CPVC DRAIN (WHEN USED) CONN SIDE VIEW FRONT VIEW FRONT VIEW SIDE VIEW (SHOWN ON RIGHT-HAND SIDE. MAY BE INSTALLED ON LEFT-HAND SIDE.) A98648 MEETS DOE
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ACCESSORIES CONCENTRIC VENT B IN. DIA PVC
VENT/EXHAUST F E C IN. DIA 3 1 /16 1 1 /2 D A B IN. DIA PVC
INTAKE/COMBUSTION AIR A97110 DIMENSIONS (In.) PART NO. A* B C D† E F KGAVT0501CVT 33-3/8 2 3-1/2 16-5/8 6-1/4 5-3/4 KGAVT0601CVT 38-7/8 3 4-1/2 21-1/8 7-3/8 6-1/2 * Dimension A will change accordingly as dimension D is lengthened or shortened. †Dimension D may be lengthened to 60 in. maximum. Dimension D may also be shortened by cutting the pipes provided in the kit
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AIR DELIVERY—CFM (With Filter)* EXTERNAL STATIC PRESSURE (In. wc) RETURN-AIR UNIT SIZE SUPPLY SPEED 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1535 1470 1405 1330 1245 1160 1065 935 High Med-High 1395 1350 1300 1225 1155 1080 985 880 036080 Top Med-Low 1200 1175 1125 1065 1030 970 890 780 Low 1040 1020 990 960 910 860 785 680 High 1750 1685 1635 1575 1525 1445 1380 1310 Med-High 1495 1455 1405 1355 1305 1250 1185 1120 048080 Top Med-Low 1310 1260 1225 1170 1125 1095 1040 980 Low 1135 1105 1075
