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INSTALLATION MANUAL
HIGH EFFICIENCY SEALED COMBUSTION
EFFICIENCY
RATING
CERTIFIED
DRUM HEAT EXCHANGER SERIES
MODEL: DFAA/DFAH
ISO 9001
Certified Quality
(Oil and Gas Conversion Burner/ Management System
For Installation In:
Single Stage Downflow Only)
1. Manufactured (Mobile) Homes
66 - 84 MBH INPUT
2. Recreational Vehicles & Park Models
(19.34 - 24.62 KW) INPUT
3. Modular Homes & Buildings
LIST OF SECTIONS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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107272-UIM-B-1105 c. The temperature of the return air to the furnace must not be SPECIFIC SAFETY RULES AND PRECAUTIONS less than 55° F (13° C), with no evening setback or furnace 1. U.S.....No. 1 or No. 2 heating oil only (ASTM D396), shutdown, to prevent condensation in the primary heat CANADA.....No. 1 stove oil or No. 2 furnace oil only are approved exchangers. for use and can be burned in this furnace. Refer to the furnace rat- d. The air temperature rise must be within the stated rise ran
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107272-UIM-B-1105 • Provide clearances from combustible materials as listed under • Permanent wave solutions Furnace Locations and Clearances. • Chlorinated waxes and cleaners • Provide clearances for servicing, ensuring that service access is • Chlorine based swimming pool chemicals allowed for both the burners and blower. • Water softening chemicals • These models are ETL listed and approved for installation into a • De-icing salts or chemicals Modular Home or a Manufactured (Mobile) Home
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Y Y T T E E F F A A 107272-UIM-B-1105 General Model Model "AFEVC" MFR'S SETTINGS Information ATC: AF36YHHS Series Oil Burner FIRING RNG: 0.5-1.10 GPH R. W. Beckett HEAD: F3 SERIAL NUMBER STC PLT: 3-3/8U Manufacturer’s Settings Serial Number, NOZZLE: 0.65 X 70A DLVN HLW 020923-49038 PUMP PRS: 100 PSI Including Date Code RWB R. W. Beckett Specification EVC201 R00 Number and Revision ELYRIA OHIO U.S.A. Rating Information Firing Rng: 0.50-0.75 GPH 020923-49038 120V/60Hz 5.8A LISTED Approval Agency R
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107272-UIM-B-1105 C Inches c.m. E D A 59-1/2” 151.0 F B 76” 193.0 C E C 24.3/4” 62.9 G D D 23” 58.4 F E 19-1/2” 49.5 F 9-3/4” 24.8 G G 12” 30.5 B A DFAH Series DFAA Series FIGURE 2: Dimensions When the furnace is used in conjunction with a cooling coil, the coil SECTION II: DUCTWORK must be installed parallel with, or in the supply air side of the furnace to DUCTWORK GENERAL INFORMATION avoid condensation in the primary heat exchanger. When a parallel flow The duct system’s design and installa
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107272-UIM-B-1105 Use the example below to help you in calculating the duct area to deter- 2. The square inch area for 7 inch (17.8 cm) round pipe is 38.4, mul- 2 2 mine whether the ducts have sufficient area so that the furnace oper- tiply by 2 for two round ducts which equals 76.8 inch (495 cm ). 2 2 ates at the specified external static pressure and within the air 3. Then take the 224 inch (1445 cm ) from the rectangular duct and 2 2 temperature rise specified on the nameplate. add it to the
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107272-UIM-B-1105 A Single trunk duct C Transition Duct with Branches B* Transition duct Dual trunk duct with crossover connector 1 4 Dual trunk duct Branches 2 Crossover 3 1. Crossover Duct must be centered directly under furnace. 2. Use 12” (30.5 cm) Diameter Round or insulated Flex-duct only. 3. Terminate Flex-duct (opposite furnace) in the center of the trunk duct. 4. Flex-duct material must be pulled tight — No Loops or unnecessary dips — Air Flow may be impeded. FIGURE 3: Air Distributio
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107272-UIM-B-1105 DUCT CONNECTORS 2-3/8 18-3/4 (47.6 cm) 2-3/8 18-3/4 (47.6 cm) (6.0 cm) (6.0 cm) SEE SEE 2-3/8 14 (35.6 cm) 2-3/8 14 (35.6 cm) CHART CHART (6.0 cm) (6.0 cm) 13 13 12 12 (33.0 cm) (33.0 cm) (30.5 cm) (30.5 cm) 11 18-3/4 11 18-3/4 (27.9 cm (27.9 cm (47.6 cm) (47.6 cm) 4-3/8 4-3/8 (11.1 cm) (11.1 cm) DUCT CONNECTOR DIMENSIONS DUCT CONNECTOR DIMENSIONS DUCT CONNECTOR DUCT CONNECTOR DUCT CONNECTOR DUCT CONNECTOR PART NUMBER DEPTH PART NUMBER DEPTH 7990-6011 1” (2.5 cm) 1” (2.5 cm) 79
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107272-UIM-B-1105 For installations with a parallel flow arrangement, the furnace must be Locator Bracket equipped with a damper to prevent cold air from being discharged up Nails, Flat Head Screws around the heat exchanger. Cold air causes condensation inside the or Staples Bend Tabs Under Duct exchanger and can cause it to rust out which can allow products of Opening to Secure to the combustion to be circulated into the living area by the furnace blower Supply Duct resulting in possible asphyx
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107272-UIM-B-1105 DFAH Furnaces: If a matching cooling coil is used, it may be placed directly on the fur- nace outlet and sealed to prevent leakage. Follow the coil instructions for installing the supply plenum. On all installations without a coil, a removable access panel is recommended in the outlet duct such that smoke or reflected light would be observable inside the casing to indi- cate the presence of leaks in the heat exchanger. This access cover Blend Air Flex Duct shall be attached in
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107272-UIM-B-1105 IMPORTANT: Air velocity through throwaway type filters must not TABLE 6: Burner Specifications exceed 300 feet per minute (1.52 m/m). . Furnace Model Burner Spec ATC Head DFAA084BBTA EVC - 201 AF36YHHS F3 DFAH084BBSA DFAA066BBTA EVC - 202 AF36YHHS F3 All installations must have a filter installed. DFAH066BBSA Static Plate Nozzle Pump Pressure Air Boot Setting 3-3/8 U 0.65 x 70° A 100 psi 4.0 Delavan (689.5 kPa) Air Filters Can Be Found On The Inside 3-3/8 U 0.50 x 70° A 100 ps
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107272-UIM-B-1105 NOTICE SPECIAL REQUIREMENTS TABLE 7: Burner Rating at Elevation Above Sea Level, gph (l/m) Nozzle Size Elevation (Above Sea Level) 0.50 1.892706 0.65 2.460518 This equipment must be installed, adjusted, and started only by a ft m gph l/h gph l/h qualified service technician, an individual or agency, licensed and 500 152 0.50 1.89 0.65 2.46 experienced with all codes and ordinances, who is responsible for 1,000 305 0.50 1.89 0.65 2.46 the installation and adjustment of the equip
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107272-UIM-B-1105 Follow information provided with the burner, the fuel pump, or the calcu- The return line must terminate 3” to 4” above supply line in the oil tank. lation below to determine pipe size and length. Failure to do this may introduce air into the system and could result in the loss of the prime. Refer to Figure 18. L = Line Length in feet H = Head in feet Outside Tank Fuel Unit L=H+R Above Bottom of Tank Q = Firing rate in GPH Primary 3/8” (0.95 cm) line L = (6 - 0.75 x H) / 0.0
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107272-UIM-B-1105 NOTE: A burner with an electronic igniter or a PSC motor will have a lower operating current. The actual load should be determined by a cur- Room Furnace Thermostat Control rent meter. R R NOTE: See appliance manufacturer’s burner specifications for required W W outlet pressure. Pressure is 100 psig (689 kPa) unless otherwise noted. SUPPLY VOLTAGE CONNECTIONS FIGURE 21: Wiring for Heat Only Thermostat 1. Provide a power supply separate from all other circuits. Install overcur
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107272-UIM-B-1105 2. After unpacking the roof jack, check the rain caps. Insure they are EXTERIOR ROOF JACK EXTENSION not damaged, tilted or crooked. Do not twist, crush or sit on the Application roof caps during installation. Damaged roof caps will cause Available to comply with instances in which the roof jack crown needs to improper furnace operation. The furnace will not heat properly and be raised to meet a roof clearance requirement. One extension will could result in explosion. raise the
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107272-UIM-B-1105 Connect Roof Jack to Furnace 12” Min. 1. Install Flue Shield inside Vent Connector. Push Flue Shield down until in contact with the built-in stop inside the Vent Connector. See Figures 28 and 29. 9” Min. 6” Min. or 6” Above the Snow Line Failure to install the Flue Shield may cause premature flue pipe deterioration. Damaged flue pipe can result in asphyxiation, fire or equipment malfunction. 2” Pipe Rubber Coupling with Hose Clamp 6” Min. Flue Shield Furnace Vent Connector FIG
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107272-UIM-B-1105 If using an optional interior extension, place extension down on furnace top and mate with furnace flue and combustion air collar until it lines up with screw holes in combustion air collar. Secure the extension to the furnace using the pre-punched holes. Use 1/2” (1.27 cm) blunt or sharp Do not exceed the maximum adjustable height as listed in Table 9. These maximum heights allow an additional 1 1/2” (3.81 cm) travel end sheet metal screws to fasten roof jack combustion air pi
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107272-UIM-B-1105 DFAH FURNACES DFAA FURNACES SWIVEL FLASHING SLANT INSTALLATION DIMENSIONS INSTALLATION DIMENSIONS ADJUSTS FROM FLASHING 0/12 TO 5/12 PITCH 3/12 PITCH “A” “B” ADJUSTABLE HEIGHT ADJUSTABLE HEIGHT 4000-7101/C 4000-6101/A 70” to 79” 86” to 95” 4000-7121/C 4000-6121/A 75” to 86” 91” to 102” 4000-7141/C 4000-6141/A 83” to 104” 99” to 120” 4000-7151/C 4000-6151/A 90” to 116” 106” to 132” 4000-7171/C 4000-6171/A 127” to 157” 143” to 173”” 1 The 4084-7141 is dimensionally the same as 40
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107272-UIM-B-1105 DFAH FURNACES DFAA FURNACES SWIVEL FLASHING SLANT INSTALLATION DIMENSIONS INSTALLATION DIMENSIONS ADJUSTS FROM FLASHING 0/12 TO 5/12 PITCH 3/12 PITCH “B” “A” ADJUSTABLE HEIGHT ADJUSTABLE HEIGHT 4000-8161/C 4000-9161/A 85” to 101” 101” to 117” 4000-8181/C 4000-9181/A 99” to 129” 115” to 145” Carefully Caulk All Around Swivel Joint with Sealant Supplied by Furnace Manufacturer. Caulk Caulk Under Under Flashing Flashing The End of Upper Portion of Roof Jack need Not extend below t
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107272-UIM-B-1105 VENT SYSTEM Upper Cap This furnace is a sealed combustion (direct vent) unit and is design cer- Lower tified to use only a 4000 Series roof jack. These roof jacks are designed STEP 1: Cap to exhaust flue products to the outside. Remove upper and lower cap. Remove the two (2) screws INSTALLING CEILING RING that secure the upper cap to the crown assembly base and The ceiling ring is to meet fire stop requirements. Accessory Ceiling remove the upper cap. Next, Ring may be installe
