Honeywell millivolt gas valve figure 4, Sit millivolt gas valve, Figure 3 – Superior DIRECT-VENT GAS FIREPLACES SDV35 User Manual

Page 9: Variable flame height adjustment

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9

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Honeywell Millivolt Gas Valve

Figure 4

O

N

OFF

P

I

L

OT

L

O

H

I

O

F

F

O

N

O

F

F

O

N

Blower ON/OFF Rocker

Switch

SIT Millivolt Gas Valve

Gas

Outlet

Gas

Inlet

Pilot Adjustment

Screw

Terminals

TPTH,TP & TH

Figure 3

HI

L O W

HT

PT

HT

PT

PILO

T

PIL

OT

ON

ti

OFF

IN

OUT

O

FF

O

N

O

FF

O

N

HI/LO Variable

Flame Height

Adjustment

Manifold Pressure Tap

Inlet Pressure Tap

Piezo Igniter

Main Gas

Control Knob

OFF/PILOT/ON

Piezo Igniter

Optional Burner ON/OFF

Rocker Switch

Piezo Igniter

Blower ON/OFF Rocker

Switch

Optional Burner ON/OFF

Rocker Switch

HI/LO Variable

Flame Height

Adjustment

Main Gas

Control Knob

OFF/PILOT/ON

Manifold Pressure

Tap

Piezo Igniter

Inlet Pressure Tap

Gas

Outlet

Gas

Inlet

Variable Flame Height Adjustment

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 Figure 3 or 4).

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