Millivolt Appliances - Appliances with Millivolt systems will be fitted with the gas control valve shown in Figures 4 or 5.
Electronic Appliances - Appliances with electronic systems will be fitted with the electronic valve shown in Figure 3.
Millivolt Appliances - To light millivolt appli- ances refer to the detailed lighting instructions found on Pages 18 & 19 . Millivolt appliance lighting instructions may also be found on the pull out lighting instruction labels attached to the gas control valve.
Millivolt appliances are fitted with an OFF/ON Rocker Switch located behind the control compartment access door, below the appli- ance front glass enclosure panel (see Figure 2 for location). Once the pilot is lit, the OFF/ON rocker switch will control the appliance OFF/ON burner operation. To operate: Toggle the switch between its ON and OFF positions.
If your millivolt appliance is equipped with an
Electronic Appliances -
To light electronic appliances refer to the detailed lighting instructions found on Pages 20 & 21 of these instructions. Electronic appliance lighting instructions may also be found on the pull out lighting instruction labels attached to the gas control valve.
Honeywell Electronic Gas Valve
Manifold Pressure | ON/OFF Switch | ||
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C |
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ONTROL | OFF ON | N | Port |
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IGNITER |
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Figure 3 | Control Valve |
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If your electronic appliance is equipped with an optional remote wall switch or remote control kit the appliance main burner may be turned on and off with the wall switch or remote control.
If your electronic appliance is not equipped with a wall switch or remote control, the main burner must be turned off and on with the gas control switch. Toggle the switch from ON to OFF to operate the main burner .
Variable Flame Height Adjustment (Millivolt Appliances only)
1. All Millivolt appliances are equipped with a variable gas control valve. Flame height for these models may be adjusted through a range between fixed low and high settings while the appliance is in operation. Adjust the flame height as desired after lighting the appliance by rotating the variable adjustment control knob (HI/LO) located on the front of the valve (refer to Figures 4 & 5 ).
2.During the first initial burns of these appli- ances, there will be some odor emitted (see
optional remote switch kit (wall switch, remote control or wall thermostat) and the pilot is lit, the appliance main burner may be turned on and off using the optional switch. When using an optional remote switch, turn off the standard OFF/ON switch.
Note: To prevent excessive resistance in burner circuit (which can cause burner operation prob- lems), only one burner control switch should be wired to valve. Therefore, if an optional control switch is installed, the standard Off/On switch and wires should be removed.
SIT Gas Valve
Shown with control |
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compartment door |
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removed | Honeywell | |
Piezo Igniter | ||
Gas Valve |
Sit and Honeywell Millivolt Gas Valve
Showing Piezo Igniter Location (Each Unit is Equipped with Only One of these Gas Valves)
Figure 2
HI/LO Variable |
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Flame Height |
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Adjustment |
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TPTH |
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TP |
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OFF |
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OptionalBurnerOFF/ON |
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Rocker Switch |
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Figure 4 |
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| SIT Millivolt Gas Valve |
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| Gas |
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Manifold Pressure | Piezo Igniter |
| Inlet Pressure Tap | Outlet |
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Tap |
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| Piezo Igniter | Gas |
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OFF | ON |
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HI/LO Variable |
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| Control Knob |
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Flame Height |
| OptionalBlowerOFF/ON |
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| OFF/PILOT/ON |
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Adjustment |
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| OptionalBurnerOFF/ON | Rocker Switch |
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Figure 5 | Rocker Switch |
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| Honeywell Millivolt Gas Valve | ||
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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.