Assessments - 3, GPA: 4.7 ( )

Fabricante : Lennox Hearth Arquivo Tamanho: 5.23 mb Arquivo Nome : Língua de Ensino:

B. Electronic Wiring (see Figures 48 & 49) The electronic gas valve has an integrated ON/ OFF burner control switch. One of the following optional controls also may be used: ON/ OFF Wall Switch, Thermostat, Remote Control (see fireplace Care and Operation Instructions for details.). Note: Electronic models must be connected to the main power supply. 1. Route a 3-wire 120Vac 60Hz 1ph power supply to the appliance junction box. 2. Remove the electrical inlet cover plate from the side of the unit by removing the plate’s securing screws (see Figure 13, Page 11). 3. Remove the cover plate knockout; then feed the power supply wire through the knockout opening and into the unit junction box. 4. See Figures 48 & 49. Connect the black power supply wire to the lower outlet’s red pigtail lead. Connect the white power supply wire to the outlet’s common terminal. 5. Connect the ground supply wire to the pigtail lead attached to the outlet’s green ground screw. LENNOX HEARTH PRODUCTS • MERITLENNOX HEARTH PRODUCTS • MERIT PLUS DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • INSTALLATION INSTRUCTIONS Note: Remote receiver should be located in the wall, or if installed in the control compartment, pulled all the way forward and completely to the left or right against the corner posts. 6. If wall-mounted ON/OFF control or thermostat is to be used, mount it in a convenient location on a wall near the fireplace. 7. If an optional control is to be used, wire it in the low voltage circuit as shown in Figures 48 and 49. Note: The supplied 15 feet of 2 conductor wire has one end of each conductor connected to the gas valve circuit and the other end of each conductor placed loose inside the bottom compartment. 8. If the optional control switch is installed, turn the appliance-mounted ON/OFF burner control switch to the OFF position. 9. After the wiring is complete, replace the cover plate. Note: The gas valve-mounted ON/OFF switch is shown in Figures 48 and 49. It is integral with the gas valve and should be set to the ON position. WARNING Electronicmodelsof theseappliances are equipped with a threeprong (grounding) plug utilized in connecting the electronic components to the junction box in the lower compartment. This grounding plug provides protection against shock hazard and should be plugged directly into the properly grounded threeprong receptacle. dO NOT cut or remove the grounding prong from the plug. Step 6. WIRING -OPTIONAL FORCEd AIR BLOWER KIT FBK-100 and FBK-200 Kits (See Figure 48 on page 25) - An electrical outlet box is provided for the installation of the FBK-100, FBK-200 forced air blower kits. Electrical power must be provided to this box to operate these blowers. Install the blower kits according to theinstallation instructions provided with the kits. 120V,60HZ, 1PH FactoryWired Ground FieldWired JunctionBox Tab Intact Tab Broken Plugblower intothis receptacle neerG- dnuorG* Wall-mounted ON/OFFBlower SwitchorVariable SpeedControlSwitch. Blower etihW- lartueN120VAC- Black Green Ground Screw White GreenNeutral Sideof Receptacle Hot Sideof Receptacle Red Black Figure 50: Junction Box Wiring FBK-250 Blower Kit (See Figure 49 on page 25) An electrical outlet box is provided for the installation of the FBK-250 forced air blower kit. Electrical power must be provided to this box to operate these blowers. Install the blower kit according to the installation instructions provided with the kit. Note: The tab connecting the receptacles of the outlet box must be broken in FBK-100 and FBK-200blowerkitapplications. SeeFigure50. Step 7. CONNECTING GAS LINE Make gas line connections. All codes require a shut-offvalvemountedinthesupplyline. Figure 51 illustrates two methods for connecting the gas supply. The flex-line method is acceptable in the U.S., however, Canadian requirements vary depending on locality. Installation must be in compliance with local codes. A sediment trap is recommended in the gas piping within the home to prevent moisture and debris in the line from damaging the valve. These appliances are equipped with a gas flex line for use (where permitted) in connecting the unit to the gas line. A gas flex line is provided to aid in attaching the direct vent appliance to the gas supply. The gas flex line can only be used where local codes permit. Refer to Figure 51 for flex line description. The flex line is rated for both natural and propane gas. A manual shut off valve is also provided with the flex line. The gas control valve is located in the lower control compartment. To access the valve open the lower control compartment door (see Figure 52 ) by pushing in the right top corner of the door. (The door is hinged at the bottom.) Remove the bottom compartment door by sliding the hinge pin, located at the door’s left side, to the right until it disengages from the left corner post hole. Pull the door diagonally to the left, away from the fireplace. The millivolt control valve has a 3/8" (10 mm) NPT thread inlet port. The ...

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