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These millivolt appliances are listed by OMNI-Test Laboratories for installation in bedrooms and Manufactured Homes. Misc. Codes / Standards The Installation must conform to local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 - latest edition (InCanada,thecurrentCAN/CSA-B149.1 installation code). The appliance, when installed, must be electrically grounded and wired in accordance with local codes or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70 -latest edition, or the Canadian Electrical Code, CSA C22.1 - latest edition. Provide adequate clearances around air openings and adequate accessibility clearance for service and proper operation. Never obstruct the front or back openings of the appliance. These appliances are designed to operate on natural or propane gas only. The use of other fuels or combination of fuels will degrade the performance of this system and may be dangerous. These fireplaces are designed as supplemental heaters. Therefore, it is advisable to have an alternate primary heat source when installed in a dwelling. These appliances must not be connected to a chimney or flue serving a separate solid fuel burning appliance. These millivolt appliances are manually controlled and feature a spark igniter (piezo) that allows the appliance's pilot gas to be lit without the use of matches or batteries. This system provides continued service in the event of a power outage. These millivolt models come standard with a manually-modulated gas valve; flame appearance and heat output can be controlled at the gas valve. The BTU Input for these appliances is shown in Table 1. Input (BTU) Manually-Modulated Gas Valves (all models) Models Fuel Type Input Rate (BTU / HR) SDVST SDVPF Natural or Propane Gas 37,500 high 30,000 low Table 1 Gas Pressure - All Models Gas Pressure - All Models Inlet Gas Supply Pressure (all models) Fuel # Minimum Maximum Natural Gas 5.0" WC (1.24 kPa) 10.5" WC (2.61 kPa) Propane 11.0" WC (2.74 kPa) 13.0" WC (3.23 kPa) Table 2 Manifold Gas Supply Pressure (all models) Fuel # Low High Natural Gas (Lo) 2.2" WC (.55 kPa) (Hi) 3.5" WC (.87 kPa) Propane (Lo) 6.3" WC (1.57 kPa) (Hi) 10.0" WC (2.49 kPa) Table 3 Testgaugeconnectionsareprovidedonthefront ofthemillivoltgascontrolvalve,identifiedINfor the inlet and OUT for the manifold side. Propane tanks are at pressures that will cause damage to valve components. Verify that the tanks have step down regulators to reduce the pressure to safe levels. These appliances must be isolated from the gas supply piping system (by closing their individual manual shut-off valve) during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig (3.5 kPa). Theseappliancesandtheirindividualshut-off valves must be disconnected from the gas supply piping system during any pressure testing of that system at pressures greater than 1/2 psig (3.5 kPa). Orifice Sizes -Sea Level to High Altitude (All Models) These appliances are tested and approved for installation at elevations of 0-4500 feet (0-1372 meters) above sea level using the standard burner orifice sizes (marked with an "*" in Table 4). For elevations above 4500 feet, contact your gas supplier or qualified service technician. Deration -At higher elevations, the amount of BTU fuel value delivered must be reduced by either: • Using gas that has been derated by the gas company. • Changing the burner orifice to a smaller size as regulated by the local authorities having jurisdiction and by the (USA) National Fuel Gas Code NFPA 54/ANSI Z223.1 -latest edition or, in Canada, the CAN/CSA-B149.1 codes - latest edition. Installtheapplianceaccordingtotheregulations of the local authorities having jurisdiction and, in the USA, the National Fuel Gas Code NFPA 54 / ANSI Z223.1 - latest edition or, in Canada, the CAN/CSA-B149.1 - latest edition. NOTE: Flame appearance will diminish 4% per thousand feet. NOTE: Each model has two burners and 2 Orifices. Burner Orifice Sizes Elevation 0-4500 feet ( 0-1372 meters) Model Series Nat.Gas drill size (inches) Propane drill size (inches) SDVST SDVPF #44 (.086") * 60J80 • #55 (.052")** 19L52 • Table 4 * Standard size installed at factory ** Standard size in LP conversion kit • Part /Cat. Number Gas Valve Diagrams - See Figure 1. HI/LO Variable Inlet Pressure Tap Screw HILOWHTPTHTPTPILOTPILOTONitOFFINOUTManifold Pressure Tap Pilot AdjustmentFlame Height Adjustment Main Gas Control Knob OFF/PILOT/ON Figure 1 -SIT Millivolt Gas Valve REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS These fireplaces are approved for installation in the US state of Massachusetts if the following additional requirements are met: • Install this appliance in accordance with Massachusetts Rules and Regulations 248 C.M.R. • Installation and repair must be done by a plumber or gas fitter licensed in the Commonwealth of Massachusetts. • The flexible gas line connector used shall not exceed...
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