Desa DynaVent DNV25NB Owner's Operation And Installation Manual

Contents

Desa DynaVent DNV25NB Owner's Operation And Installation Manual Manual pdf 7 page image

7201835OWNER’S MANUAL10. Feed thermostat wires from attic tofurnace through 1/2" hole in ceilingwall plate.11. Connect thermostat wires from attic tothermostat wires on furnace. Connectred wires together, then connect whitewires together. Use wire nuts to makeconnections.IMPORTANT: Make surethermostat wires do not touch combus-tion chamber.INSTALLATION(Continued)Mounting the Thermostat to Wall1. Connect thermostat wires to the twoterminal screws on back of thermostat(see Figure 6). Connect red wire to “R”terminal. Connect white wire to “W”terminal.2. Push any excess wire back through holein wall and plug hole with insulationto prevent drafts. Drafts affect the ther-mostat operation.3. Use thermostat base to mark mountingscrew locations.4. Drill proper-sized holes for wall anchors.5. Attach thermostat to wall using screwsprovided (see Figure 7).WRRed WireWhite WireFigure 7 - Mounting Thermostat to Wall.2.3.4.5.71.0SOLID STATE IGNITION50 60 70 80 9050 60 70 80 90OFFFigure 6 - Connecting Thermostat Wiresto ThermostatWallAnchorsCAUTION: Use only new,black iron or steel pipe. Coppertubing may be acceptable in cer-tain areas. Check local codes.Use pipe large enough in diam-eter to allow proper gas volumeto furnace. If pipe is too small,undue loss of pressure will oc-cur. Refer to chart on page 9.WARNING: Unplug furnacebefore connecting to gas supply.WARNING: Never connectfurnace to private (non-utility) gaswells. This gas is commonlyknown as wellhead gas.WARNING: A qualified ser-vice person must connect fur-nace to gas supply. Follow alllocal codes.CAUTION: Lightly apply pipejoint sealant to male threads be-fore connecting. Use pipe jointsealant that is resistant to liquidpetroleum (LP) gas.CONNECTING TO GASSUPPLYAll piping must comply with local codesand ordinances or with the National FuelGas Code (ANS Z223.1 NFPA No. 54),whichever applies.You can connect furnace to gas supply atfront of furnace (inside) or at rear of furnace(outside).Connecting Furnace to GasSupply at Front of Furnace1. Locate gas inlet pipe on lower, rightfront of furnace (see Figure 8).2. Connect 3/8" NPT pipe or nipple to gasinlet pipe (see Figure 8). See Provid-ing Gas Piping to Furnace, pages 9 and10, for correct gas pipe installation.ContinuedGas Inlet PipeFigure 8 - Connecting Gas from Inside ofRoom3/8" NPTPipe orNipple