Page 2 - National Fire Protection Association, Inc.
2 USSC GAS SPECIFICATIONS MODEL FUEL MAXIMUM INPUT DV12 Natural 10,000 BTU/hr Liquid Propane 10,000 BTU/hr DV20 Natural 18,000 BTU/hr Liquid Propane 18,000 BTU/hr MANIFOLD PRESSURE Natural Gas - DV12 - 5.8” w.c. DV20 - 5.2” w.c. Propane / LP Gas - DV12 - 10.8” w.c. DV20 - 10.6” w.c. GAS INLET 3/8” N...
Page 3 - SAFETY RULES; avoid burns or clothing ignition.
USSC 3 SAFETY RULES Due to high temperatures, the appliance should located out of traffic and away from furniture and draperies. Children and adults should be alerted to the hazards of high surface temperatures and should stay away to avoid burns or clothing ignition. Young children should be carefu...
Page 5 - VENTILATION INSTALLATION; The ventilation system consist of:; Diagram No 3; Final Assembly
USSC 5 VENTILATION INSTALLATION The ventilation system consist of: 1_External Tube - Air incoming tube with enamel hood riveted in place. 1_Threaded Mounting Rod 1_Internal Tube - Outgoing flue gases 1_Adjusting Nut Diagram Nº 3 Diagram Nº 4 For Model DV12: Mark the three 5/16” (8mm) holes and drill...
Page 6 - Diagram No 5; Diagram No 7
6 USSC Diagram Nº 5 IMPORTANT: The appliance’s venting system should be inspected at least once a year andcleaned if necessary. IMPORTANT: THE VENT-AIR INTAKE SYSTEM MUST BE PROPERLY INSTALLED TO IN-SURE PROPER AND SAFE OPERATION. VENTILATION INSTALLATION continued... Diagram Nº 7 Diagram Nº 6 IMPOR...
Page 7 - Canadian Installation
USSC 7 VENTILATION INSTALLATION continued... Clearance above grade, veranda, porch,deck, or balcony Clearnace to window or door that may beopened Clearance to permanently closed window Vertical clearance to ventilated soffit lo-cated above the terminal within a horizon-tal distance of 2 feet (61 cm)...
Page 8 - Diagram No 8
8 USSC VENTILATION INSTALLATION continued... Diagram Nº 8
Page 9 - CAUTION; WARNING; GAS CONNECTION
USSC 9 CAUTION Use new black iron or steel pipe only. Internally tinned copper tubing can beused in some areas when permitted by local codes. Only use pipe of 1/2" orgreater diameter to allow full gas volume to heater. Excessive pressure loss willoccur if the pipe is too small. A manual shutoff ...
Page 10 - OPERATING INSTRUCTIONS; WHAT TO DO IF YOU SMELL GAS; LIGHTING INSTRUCTIONS
10 USSC OPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosionmay result causing property damage, personal injury or loss of life. This appliance has a pilot which can be light with the equipped piezo ignitor. When li...
Page 11 - MAINTENANCE INSTRUCTIONS
USSC 11 MAINTENANCE INSTRUCTIONS As with all fuel burning appliances, it is important to conduct periodic maintenance functions that will allow for contin-ued safe, efficient operation of the unit. We suggest that before every heating season, or at least once a year, conductthe following minimum ser...
Page 12 - Wiring Diagram; CAUTION: Label all wires prior to; Wiring Schematic
12 USSC Diagram Nº 11. Correct Flame Pattern Diagram Nº 12. Incorrect Flame Pattern Diagram Nº 10. Correct Flame Pattern Optional Blower - DVBS (DV12) and DVBL (DV20) Wiring Diagram CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerou...
Page 14 - DV20 - REPAIR PARTS LIST
14 USSC KEY PART # DESCRIPTION QTY. 1.1 2478 Glass Support 2 2.1 17501 Combustion Chamber Glass 1 3.1 2484 Ceramic Fibre Glass Gasket (Long) 2 4.1 2482 Ceramic Fibre Glass Gasket (Short) 2 5.1 354 Combustion Chamber 1 6.1 2472 Ceramic Fibre Washer (D57 / D43) 14 7.1 16374 Air Intake Tube 7 8.1 15901...
Page 16 - DV12 - REPAIR PARTS LIST
16 USSC KEY PART # DESCRIPTION QTY. 1.2 2469 Glass Support 2 2.2 17507 Combustion Chamber Glass 1 3.2 2483 Ceramic Fibre Glass Gasket (Long) 2 4.2 2482 Ceramic Fibre Glass Gasket (Short) 2 5.2 342/CC Combustion Chamber 1 6.2 2472 Ceramic Fibre Washer (D57 / D43) 6 7.2 16374 Air Intake Tube 3 8.2 159...
Page 17 - BURNER ASSEMBLY - REPAIR PARTS
Page 18 - BURNER ASSEMBLY - REPAIR PARTS LIST
18 USSC KEY PART # DESCRIPTION QTY. 1.3 14399 Control Rod Plate 1 2.3 10381 Control Rod Set Screw (1/8” x 15) 1 3.3 16353 Eurosit Valve By Pass 50 (for model DV12-LP) 1 4.3 16354 Eurosit Valve By Pass 90 (for model DV20-LP) 1 5.3 16355 Eurosit Valve By Pass 70 (for models DV20-N and DV12-N) 1 6.3 14...
Page 19 - VENTING - REPAIR PARTS LIST
USSC 19 VENTING - REPAIR PARTS LIST KEY PART # DESCRIPTION QTY. 1.4 2480 Outgoing Flue Gases Tube - DV20 (Internal) 1 2.4 2479 Air Incoming Tube - DV20 (External) 1 3.4 347 Enameled Vent Cap - DV20 1 4.4 2470 Connecting Rod 1 5.4 16371 Connecting Rod Nut 1 6.4 2475 Outgoing Flue Gases Tube - DV12 (I...
Page 20 - Keeping America Warm Since 1869; United States Stove Company; 27 Industrial Park Road; Save this manual for future reference.; The PART NUMBER
20 USSC Keeping America Warm Since 1869 United States Stove Company 227 Industrial Park Road P.O. Box 151 South Pittsburg, TN 37380 (423) 837-2100 Save this manual for future reference. DV12, DV20 Owner's Manual When writing, always give the full model number which is on the nameplateattached to the...