Cleaning And Maintenance; Burner, Pilot And Control Compartment; Pilot Flame; Burner Flame - MHSC STLDVNS Installation And Operating Instructions Manual

Designer series direct vent gas fireplace

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Table of Contents

Designer Series Direct Vent Gas Fireplace

Turn off gas before servicing fireplace. It

is recommended that a qualified service

technician perform these check-ups at the

beginning of each heating season

BuRNeR, PILoT aND CoNTRoL CoMPaRT-

MeNT

Keep the control compartment, logs, and burner areas

surrounding the logs clean by vacuuming or brushing at

least twice a year. Make sure the burner porting, pilot air

opening and burner air opening are free of obstructions

at all times.

PILoT FLaMe

The flames from the pilot should be visually checked as

soon as the heater is installed and periodically during

normal operation. The pilot flame must always be pres-

ent when the fireplace is in operation. Figure 66. The

pilot flame has four distinct flames, one engulfing the

thermopile, one engulfing the sensor, and the other two

reaching to the main burners.

BuRNeR

Inspect area around the injector. Remove any lint or foreign

material with a brush or vacuum.

BuRNeR FLaMe

The flames from the burner should be visually checked

as soon as the heater is installed and periodically

during normal operation. In normal operation, at full

rate, and after operating for about 15 to 30 minutes,

the flame should be yellow and slightly taller than the

rear log. Figure 67

If the flame is blue and only in the center, turn off unit

and let cool. After unit is cool, remove logs and check to

make sure the back holes in the burner are not covered

with rock wool. If the back holes are clear, add more

rock wool to the center of the burner. Replace logs.

NoTe: The type of installation, vent system

configuration, and wind effects may cause the flame

patterns to vary.