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installation, start-up,
362AAN
and operating instructions
Series B
LOW-BOY
OIL-FIRED FURNACE
Cancels: II 362A-75-1 II 362A-105-1
8-96
NOTE: Read the entire instruction manual before starting the SAFETY CONSIDERATIONS
installation.
This symbol → indicates a change since the last issue.
FOR YOUR SAFETY
Index Page
DO NOT STORE OR USE GASOLINE OR
OTHER FLAMMABLE VAPORS AND LIQ-
SAFETY CONSIDERATIONS..................................................1-2
UIDS IN THE VICINITY OF THIS OR ANY
Minimum Clea
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Only the latest issues of above codes should be used, and are In a basement or when installed on the floor, it is recommended available from either The National Fire Protection Agency, Bat- that unit be installed on a concrete pad that is 1- to 2-in. thick. terymarch Park, Quincy, MA 02269 or The Canadian Standards On dirt floors, furnace may be installed on concrete blocks. Place Association, 178 Rexdale Blvd., Rexdale, Ontario M9W 1R3 blocks under all 4 corners and under center of furnace. Cen
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3. Caulking or sealants are applied to areas such as joints 5. Lockouts on start-up. around window and door frames; between sole plates and II. DUCT WORK RECOMMENDATIONS floors; between wall-ceiling joints; between wall panels; at The proper sizing of warm air ducts is necessary to ensure penetrations for plumbing, electrical, and fuel lines; and at satisfactoryfurnaceoperation.Ductworkshouldbeinaccordance other openings. with the latest editions of NFPA-90A (Installation of Air Condi- If combus
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VENTING INSTRUCTIONS 9. The chimney must extend 3 ft above highest point where it passesthroughtheroofofabuildingandatleast2fthigher Ventingoffurnaceshouldbetotheoutsideandinaccordancewith than any portion of a building within a horizontal distance local codes or requirements of local utility. of10ft.Itshallalsobeextendedatleast5ftabovehighest OIL-FIRED APPLIANCES SHALL BE CONNECTED TO connected equipment flue collar. FLUES HAVING SUFFICIENT DRAFT AT ALL TIMES TO ENSURE SAFE AND PROPER OPERATION
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ELECTRICAL DO NOT TAMPER WITH UNIT OR CONTROLS—CALL YOUR SERVICE TECHNICIAN. The appliance must be installed in accordance with current ANSI/NFPA 70 National Electrical Code, CSA C22.1 Canadian II. RECOMMENDED INSTALLATION PRACTICES AND Electrical Code Part 1, and/or local codes. COMBUSTION CHECK The control system depends on correct polarity of power supply. In order to obtain optimum performance from oil burner, the ConnectHOTwire(H)andNEUTRALwire(N)asshowninFig. following setup procedures mus
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→ TABLE 4—BURNER, NOZZLE, AND PUMP VIII. CONSTANT BLOWER SWITCH PRESSURE CHART Thisfurnaceisequippedwithaconstantlow-speedbloweroption. Whenever room thermostat is not calling for heating or cooling, FIRING PUMP BECKETT OIL BURNER UNIT RATE PRESSURE blower runs on low speed in order to provide air circulation. If SIZE Model Nozzle GAL/HR (US) (PSIG) constantbloweroptionisnotdesired,therockerswitchonsideof 0.75 gph control box may be used to turn off constant speed. 036105 0.76 103 AFG 70° Hollow
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The procedure for nozzle installation and/or replacement is out- FLUE BOX lined in oil burner instruction manual which came with furnace. Foreaseofmaintenance,theoilingprocedureforburnermotor,as PARTITION
outlined in burner manual, should be performed at this time. PANEL After replacement of nozzle, burner should be adjusted in accor- CLEANOUT
dance with Combustion Check section of this instruction. CLEANOUT
COVER
PORT COVER GASKET →III. HEAT EXCHANGER AND FLUE PIPE Ordinarily,itisnotnecessa
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3. Remove screws securing blower legs to blower rails A mounted on bottom panel of furnace. B 4. Slideblowerforwardonrailstowardrearofunituntilmotor wire connections at terminal block on motor can easily be reached and disconnected. 5. Disconnect motor wires at terminal block on motor. A96398 6. Remove blower from unit. Fig. 4—Removing Combustion Chamber 7. Reverse items 1 through 6 to reinstall blower. Refer to 17. Use a stiff brush and vacuum cleaner to clean inside of wiring diagram (Fig. 7)
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G CLEAN-OUT PORTS B SUPPLY
RETURN
DUCT DUCT 1 12 ⁄16″ 3″ 1″ A EH 1″ D INSULATION
PARTITION
PANEL ELECTRICAL
CONNECTIONS F C FILTER INSULATION
INTERMEDIATE
PANEL OIL INLET A96309 DIMENSIONS (IN.) UNIT DIMENSIONS FLUE DUCT SUPPLY OPENING RETURN DUCT UNIT DIAMETER Width Depth Height SIZE AB C D E F G H 036105 22 52 33 20 17-1/4 6 20 18 048125 22 57 33 20 22-1/4 6 20 18 060155 22 57 33 20 22-1/4 6 20 18 → Fig. 5—Dimensional Drawing —9—
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BAROMETRIC DAMPER LOCATIONS FIG. A FIG. B FIG. C FIG. D GOOD LOCATIONS WRONG FIG. G FIG. H WRONG WRONG FIG. K WRONG FIG. L POOR FIG. J WRONG BAD LOCATIONS A95117 Fig. 6—Barometric Damper Locations —10—
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CN6
12
—11— BK
BLACK
LEGEND FACTORY SET
115 VAC 1ø 60HZ POWER SUPPLY
L1(H) L2(N) BL
BLUE
(FUSED DISCONNECT ON HOT LEG) PRINTED CIRCUIT
HEATING SPEED
BR
BROWN
BOARD WIRING GND GR
GREEN
LINE V
105-- MED (M)
LOW SPEED HEAT
CIRCULATION BLOWER FACTORY WIRING OR
ORANGE
CONNECTION 24 V
125-- MED (M)
RD
RED
HIGH COOL LINE V
RD/BK
RED/BLACK STRIPE
S2 155-- HIGH (H) N3 LOW FIELD WIRING HEAT VI
VIOLET
24 V N2 WH
WHITE
MED ORANGE WIRE NUT CONSTANT YL
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USER’S INFORMATION I. HERE’S HOW YOUR HEATING SYSTEM WORKS 3. Set thermostat to lowest setting. Thefurnaceoperatesautomatically.Itiscontrolledbyathermostat 4. Turn on electric power to furnace. which you set at the temperature most comfortable to you. When 5. Open oil supply valve. the inside temperature drops below this setting, your thermostat will turn on heating system. 6. Check all connections to ensure there are no leaks. When thermostat calls for heat, power from transformer energizes III
