MHSC CFX24 Operations Instructions download pdf (Page 16)

CFX Vent Free Fireplace System

20301726

CHECK GAS PRESSURE

1. Check gas type. The gas supply must be the same as

stated on the appliance’s rating decal. If the gas supply

is different from the replace, STOP! Do not install the

appliance. Contact your dealer immediately.

2. To ease installation, a 24" (610 mm) ex line with

manual shut-off valve has been provided with on this

appliance. Install and attach 1/2" gas line onto shut-off

valve.

3. After completing gas line connection, purge air from

gas line and test all gas joints from the gas meter to

the replace for leaks. Use a solution of 50/50 water

and soap solution or a gas sniffer.

4. To adjust ame height, turn HI/LO knob to HI to get

maximum pressure to burner. Turn HI/LO knob to LO

to get minimum pressure.

5. To check gas pressures at valve, turn captured screw

counter clockwise 2 or 3 turns and then place tubing

to pressure gauge over test point. Turn unit to high.

Figure 14 After taking pressure reading, be sure and

turn captured screw clockwise rmly to reseal. Do not

over torque. Check test points for gas leaks.

FP1979

Millivolt gas valve

FP1979

Figure 14 -

Gas Pressure Check at Gas Valve

Pressure

Test “IN”

Pressure

Test “OUT”

HI/LO Knob

Pilot Adjustment Screw

WARNING

Do not use open ame to

check for gas leaks.

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MHSC CFX24 Operations Instructions Page 16