Table of Contents
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Sealed Combustion Oil Furnaces
SCH High Boy
SCL Low Boy
KEEP THESE INSTRUCTIONS
WITH FURNACE FOR FUTURE
REFERENCE.
DANGER
Hazards that will cause severe personal injury,
death or substantial property damage.
WARNING
Hazards that can cause severe personal injury,
death or substantial property damage.
WARNING
INSTALLER
installing. Read page 2 first. Follow all instructions
in proper order to prevent personal injury or death.
•
Consider
ducting,
installation when determining furnace location.
•
Any claims for damage or shortage in shipment
must be filed immediately against the transportation
company by the consignee.
WARNING
Do not store or use gasoline or other flammable
liquids or vapors near this furnace or any other
appliance.
CAUTION
Ventilate house while operating furnace for the first
time. Odors may be emitted for a brief period.
WARNING
Do not alter this furnace in any way. The
manufacturer will not be liable for any damage
resulting from changes made in the field to the
furnace or its components or from improper
installation. Failure to comply could result in severe
personal injury, death or substantial property
damage.
Hazard definitions
-
Read
all
instructions
fuel
supply,
venting
Furnace Manual
Contents
Read this first! ............................................................................ 2
1. Prepare furnace location............................................................ 3
2. Prepare furnace and place in position ....................................... 5
3. Connect supply and return ducts ............................................... 6
4. Venting - Sealed Combustion System ...................................... 9
5. Connect fuel oil piping.............................................................. 15
6. Wire furnace and burner .......................................................... 16
7. Start-up .................................................................................... 18
8. Checkout procedure................................................................. 19
9. Troubleshooting ....................................................................... 21
10. Service and maintenance ........................................................ 22
11. Components and replacement parts........................................ 25
12. Dimensions and ratings ........................................................... 34
13. Owner's information ................................................................. 38
CAUTION
Hazards that will or can cause minor personal
injury or property damage.
Special instructions on installation, operation or
NOTICE
maintenance that are important but not related to
personal injury or property damage.
before
WARNING
USER - Please read the following. Failure to
comply could result in severe personal injury, death
or substantial property damage.
•
This manual is for use only by your qualified
and
heating installer / service technician.
•
Please see the Owner's information only, on back
page of this manual.
•
Have the furnace serviced by a qualified service
technician, at least annually.
WARNING
This manual must only be used by a qualified
heating installer / service technician. Furnace and
burner must be installed and serviced only by a
qualified heating installer / service technician.
Failure to comply could result in severe personal
injury, death or substantial property damage.
NOTICE
When calling or writing about the furnace, please
refer to furnace model number and serial number
shown on the rating label. You may list the serial
number and model number in the space provided on
the "Installation and service certificate" found on
page 20.
Page
670-000-006-1007
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Related Manuals for Williamson-Thermoflo SCH High Boy
Summary of Contents for Williamson-Thermoflo SCH High Boy
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Page 1: Table Of Contents
Sealed Combustion Oil Furnaces SCH High Boy SCL Low Boy Furnace Manual KEEP THESE INSTRUCTIONS WITH FURNACE FOR FUTURE Contents Page REFERENCE. Read this first! ................2 1. Prepare furnace location............3 2. Prepare furnace and place in position ........5 3. -
Page 2: Read This First
READ THIS FIRST! WARNING Failure to adhere to the guidelines below can result in severe personal injury, death or substantial property damage. 15. Inspect, clean and replace (if necessary) return air filter Service and maintenance regularly. 1. To avoid electric shock, disconnect electrical supply before 16. -
Page 3: Prepare Furnace Location
SCH & SCL – Furnace Manual Oil Furnaces Prepare furnace location Pre-installation checklist Verify code compliance NOTICE Flue pipe clearances must take precedence over jacket clearances (listed below). Local, state, and national codes, laws, regulations and ordinances Service accessibility clearances NFPA-31, Installation of Oil-Burning Equipment 1. - Page 4 SCH & SCL – Furnace Manual Oil Furnaces Prepare furnace location (continued) Vent pipe clearances Vent terminal location Table 2 Minimum clearances – side-wall venting Select a location for the vent terminal in accordance with all local and national codes. The following requirements shall be considered CLEARANCES to be minimum requirements that can be overridden by stricter local Vent pipe, up to vent terminal...
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Page 5: Prepare Furnace And Place In Position
SCH & SCL – Furnace Manual Oil Furnaces Prepare furnace and place in position Inspect & prepare furnace Openings in walls, floor… (continued) Remove furnace from carton See suggested duct sizing in this manual. For more detailed sizing information refer to ACCA Manual D. Remove the furnace from its shipping carton and inspect thoroughly. -
Page 6: Connect Supply And Return Ducts
SCH & SCL – Furnace Manual Oil Furnaces Connect supply and return ducts Duct sizing CAUTION Always check the size of existing ducts, particularly Determine air flow CFM if you are adding air conditioning. The air pressure The temperature rise through the furnace must not exceed 85 F and loss through the cooling evaporator coil reduces should be at least 55°F for comfort. - Page 7 SCH & SCL – Furnace Manual Oil Furnaces Connect supply and return ducts (continued) Duct sizing (continued) Table 4 Typical duct sizing for systems not over 100 feet equivalent length – round or rectangular galvanized Typical duct sizing (For approximately 0.10 inch w.c. in a typical residential installation of galvanized metal duct) Rectangular duct equivalent sizes Round Minimum width (inches) for duct heights (inches) of :...
- Page 8 SCH & SCL – Furnace Manual Oil Furnaces Connect supply and return ducts (continued) Duct sizing (continued) Table 5 Typical duct sizing for systems not over 100 feet equivalent length – round or flat oval galvanized Typical duct sizing (For approximately 0.10 inch w.c. in a typical residential installation of galvanized metal duct) Flat oval duct equivalent sizes Round Minimum width (inches) for duct heights (inches) of :...
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Page 9: Venting - Sealed Combustion System
SCH & SCL – Furnace Manual Oil Furnaces Venting – Sealed Combustion System Connection to the furnace breach WARNING Failure to follow all instructions can result in flue gas spillage and carbon monoxide emissions, causing Determine in which direction the venting will be routed from the severe personal injury or death. - Page 10 SCH & SCL – Furnace Manual Oil Furnaces Venting – Sealed Combustion System (continued) Connection to the vent terminal Remove the 2 screws fastening the end cone in place and remove the cone; Prepare the terminal end of the insulated flex vent by first screwing the spin sleeve onto the corrugated aluminum Remove the 2 screws fastening the stabilizer shroud in jacket until the trailing edge of the spin sleeve is about 10...
- Page 11 SCH & SCL – Furnace Manual Oil Furnaces Venting – Sealed Combustion System (continued) The venting system requires additional parts, which are not included Beckett AFII burner with the kit. These parts must be constructed of 3 inch Schedule 40 PVC, PVC-SWV, 26-SDR, SDSR-21, Septic Sewer Pipe or ABS Remove the burner intake cover by removing 3 screws securing it in plastic pipe, fittings and sealant.
- Page 12 SCH & SCL – Furnace Manual Oil Furnaces 670-000-006-1007...
- Page 13 SCH & SCL – Furnace Manual Oil Furnaces 670-000-006-1007...
- Page 14 SCH & SCL – Furnace Manual Oil Furnaces 670-000-006-1007...
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Page 15: Connect Fuel Oil Piping
SCH & SCL – Furnace Manual Oil Furnaces Connect fuel oil piping Wire furnace & burner General oil piping requirements Wire burner • Location and installation of oil tanks, oil piping and burners The burner harness is factory-wired to the furnace at the factory. Plug the burner harness into the mating burner connector to wire must follow: the burner. -
Page 16: Wire Furnace And Burner
SCH & SCL – Furnace Manual Oil Furnaces Wire furnace & burner (continued) DNS-0988 Rev. D 670-000-006-1007... - Page 17 SCH & SCL – Furnace Manual Oil Furnaces Wire furnace & burner (continued) DNS-0890 Rev. C 670-000-006-1007...
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Page 18: Start-Up
SCH & SCL – Furnace Manual Oil Furnaces Start up DANGER Follow information below to prevent severe personal To start furnace (continued) injury, death or substantial property damage: • WARNING Make final burner adjustments using combustion test Do not use gasoline, crankcase drainings or any oil equipment to assure proper operation. -
Page 19: Checkout Procedure
SCH & SCL – Furnace Manual Oil Furnaces Checkout procedure Furnace selection Furnace operation .. 17. Clean air filter in place? ..1. Heat loss ....... BTU/h at .... °F outdoor design temperature. .. 18. Temperature rise through furnace checked (not to exceed ..2. - Page 20 SCH & SCL – Furnace Manual Oil Furnaces Installation and service certificate Furnace model Series __________________________________________________ ________________________ Serial number Date installed ______________________________________ ________________________ Installation instructions have been followed. Checkout sequence has been performed. Above information is certified to be correct. Information received and left with owner / maintenance person.
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Page 21: Troubleshooting
SCH & SCL – Furnace Manual Oil Furnaces Troubleshooting Before beginning these troubleshooting procedures, ALWAYS : Check 120 volt supply to furnace. If there is no supply To successfully service the oil furnace, you must voltage, check fuses and service switch. CAUTION : have these instruments : When testing electrical equipment, always follow smoke tester... -
Page 22: Service And Maintenance
SCH & SCL – Furnace Manual Oil Furnaces 10 Service and maintenance Annual service and start-up WARNING Follow the “Service and maintenance” procedures given throughout this manual and in component literature shipped with the furnace. Failure to perform the service and maintenance could result in damage to the furnace or system. Failure to follow the directions in this manual and component literature could result in severe personal injury, death or substantial property damage. - Page 23 SCH & SCL – Furnace Manual Oil Furnaces Handling ceramic fiber and fiberglass materials HANDLING OR REMOVAL OF COMBUSTION CHAMBER WARNING The combustion chamber in this product contains ceramic fiber materials. Ceramic fiber can be converted to cristobalite in very high temperature applications.
- Page 24 SCH & SCL – Furnace Manual Oil Furnaces 10 Service and maintenance (continued) Service/maintenance procedures Annual start up DANGER To inspect blower motor Follow information below to prevent severe personal injury, death or substantial property damage: Belt-drive motor – Blower bearings and the motor are permanently •...
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Page 25: Components And Replacement Parts
SCH & SCL – Furnace Manual Oil Furnaces OMPONENTS EPLACEMENT ARTS 670-000-006-1007... - Page 26 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts Figure 3 Model SCH-105 furnaces – Component locations B50016A 670-000-006-1007...
- Page 27 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts (continued) Model SCH-105 furnaces – Replacement parts list ITEM PART NUMBER DESCRIPTION B30756-01 HEAT EXCHANGER ASSEMBLY B30465-01 HEAT EXCHANGER ASSEMBLY, TOP B30518 COMBUSTION CHAMBER ASSEMBLY B30517 GASKET, HEAT EXCHANGER ASSEMBLY B30757 HEAT EXCHANGER ASSEMBLY, BOTTOM F07O001...
- Page 28 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts Figure 4 Model SCH-160 furnaces – Component locations B50015 Rev. A B50015A 670-000-006-1007...
- Page 29 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts (continued) Model SCH-160 furnaces – Replacement parts list ITEM PART NUMBER DESCRIPTION B30786-01 HEAT EXCHANGER ASSEMBLY B30597 HEAT EXCHANGER ASSEMBLY, TOP F07O001 FLANGE NUT, HEXAGONAL 3/8"NPT 16NC BRASS B30531 COMBUSTION CHAMBER ASSEMBLY B30532...
- Page 30 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts Figure 5 Model SCL-105 Rear furnaces – Component locations B50018A 670-000-006-1007...
- Page 31 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts (continued) Model SCL-105 Rear furnaces – Replacement parts list ITEM PART NUMBER DESCRIPTION B30756-02 HEAT EXCHANGER ASSEMBLY B30465-02 HEAT EXCHANGER ASSEMBLY, TOP B30518 COMBUSTION CHAMBER ASSEMBLY B30517 GASKET, HEAT EXCHANGER ASSEMBLY B30757 HEAT EXCHANGER ASSEMBLY, BOTTOM...
- Page 32 SCH & SCL – Furnace Manual Oil Furnaces B50018A 11 Components and replacement parts Figure 6 Model SCL-160 Rear furnaces – Component locations B50017 Rev. A B50017A 670-000-006-1007...
- Page 33 SCH & SCL – Furnace Manual Oil Furnaces 11 Components and replacement parts (continued) Model SCL-160 Rear furnaces – Replacement parts list ITEM PART NUMBER DESCRIPTION B30786-02 HEAT EXCHANGER ASSEMBLY B30596 HEAT EXCHANGER ASSEMBLY, TOP F07O001 FLANGE NUT, HEXAGONAL 3/8"-16NC BRASS B30531 COMBUSTION CHAMBER ASSEMBLY B30532...
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Page 34: Dimensions And Ratings
SCH & SCL – Furnace Manual Oil Furnaces 12 Dimensions and ratings Figure 7 Model SCH-105 / 160 dimensional data – ALL DIMENSIONS IN INCHES DNS-1003 Rev. A W arm air supply Return air Furnace casing (top) (side) Flue pipe Model W idth Depth... - Page 35 SCH & SCL – Furnace Manual Oil Furnaces Dimensions and ratings (continued) Figure 8 Model SCL-105 / 160 Rear dimensional data – ALL DIMENSIONS IN INCHES DNS-1005 Rev. A Warm air supply Return air Furnace casing (top) (top) Flue pipe Model dia.
- Page 36 SCH & SCL – Furnace Manual Oil Furnaces Dimensions and ratings (continued) Model SCH & SCL-105 burner data BECKETT BURNER - Model AFII-85 (3450 RPM) - Tube insertion 4-15/16" Pump Combustion Model Input Firing rate Nozzzle pressure Head air adjustment USGPH (Delavan) (PSIG)
- Page 37 SCH & SCL – Furnace Manual Oil Furnaces Dimensions and ratings (continued) Air delivery in CFM – with air filter installed SCH-105 SCH-160 EXTERNAL STATIC PRESSURE EXTERNAL STATIC PRESSURE SPEED WITH AIR FILTER WITH AIR FILTER 0.25" W.C. 0.5" W.C. 0.25"...
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Page 38: Owner's Information
SCH & SCL – Furnace Manual Oil Furnaces Owner’s information The furnace must be inspected and started by a qualified service technician only, at the beginning of the ANNUAL heating season. The service technician must perform annual service and maintenance on the furnace to ensure reliable operation. Failure to service and maintain the furnace and system could result in equipment failure, causing severe personal injury, death or substantial property damage. - Page 39 SCH & SCL – Furnace Manual Oil Furnaces X40132 Rev. D 670-000-006-1007...
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