HI/LO Knob
Pilot Adjustment Screw

MILLIVOLT - CHECKING GAS PRESSURE and Electrical installation

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 fireplace, STOP! Do not install the appliance. Contact your dealer immediately.

2.To ease installation, a 24" (610 mm) flex line with manual shut-off valve has been provided with on this appliance. Install and attach 3/8" 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 fireplace for leaks. Use a solution of 50/50 water and soap solution or a gas sniffer.

Pressure Test “IN”

4.To adjust flame height, turn HI/LO knob to HI to get Pressure maximum pressure to burner. Turn HI/LO knob to LO Test “OUT” to get minimum pressure. Note: To make the process

of checking the gas pressure easier, unfasten the two screws which secure the gas valve to the side of the firebox and bring forward. [Remove the glass to allow the valve to come forward. (Refer to Page 45 for glass removal.)] When done, you must refasten the gas valve into place.

FP1979

Figure 30 -

Gas Pressure Check at Gas Valve

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 30. After taking pressure reading, be sure and turn captured screw clockwise firmly to reseal. Do not over torque. Check test points for gas leaks.

WARNING

Do not use open flame to check for gas leaks.

Electrical Wiring

 

This fireplace will work without any electrical supply. Elec-

 

tricity is only needed to operate the blower and the light

Verify proper operation after servicing.

located behind the logs inside the firebox.

 

NOTE: If installed in mobile home, fireplace must be bolted

 

securely to floor.

 

WARNING

Electrical connections should only be performed by a qualified, licensed electrician. Main power must be off when connecting to main electrical power supply or performing service. All wiring shall be in compliance with all local, city, and state codes. The appliance, when installed, must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code ANSI/ NFPA 70 (latest edition) and Canadian Electrical Code, CSA C22.1.

CAUTION

Label all wires before disconnecting when servicing controls. Wiring errors can cause improper and dangerous operation.

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Monessen Hearth KHLDV400, KHLDV500 operating instructions Millivolt Checking GAS Pressure and Electrical installation
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KHLDV500, KHLDV400 specifications

The Monessen Hearth KHLDV400 is a high-performance gas fireplace designed to provide both warmth and aesthetic appeal to any living space. This unit is engineered with modern technology, making it an excellent choice for homeowners looking to enhance their home’s atmosphere while enjoying the benefits of efficient heating.

One of the standout features of the KHLDV400 is its impressive heating capability. With an input of 40,000 BTUs, this gas fireplace is capable of heating spaces effectively, making it perfect for medium to large rooms. This fireplace utilizes a direct vent system, ensuring that combustion gases are efficiently expelled outside, while fresh air is drawn from the exterior to support the flame. This makes for a safe and environmentally friendly operation, as it minimizes indoor air pollution.

The KHLDV400 also boasts an innovative burner design that creates realistic flames, mimicking the look of traditional wood-burning fires. The fireplace comes with a choice of decorative media options, including glowing embers and fire glass, allowing homeowners to customize the look of their fireplace to match their personal style.

Another notable characteristic of the KHLDV400 is its intuitive control system. It can be operated via a handheld remote or wall switch, providing convenience and ease of use. Homeowners can adjust the flame height and heat output with simple controls, ensuring comfort at all times. Additionally, it features a standing pilot option that enhances its reliability and safety during operation.

Durability and quality craftsmanship are hallmarks of the Monessen brand, and the KHLDV400 is no exception. The fireplace is built with high-quality materials designed to withstand the test of time. Its sleek, contemporary design features a clean-face appearance that enhances any decor, while the glass front allows for an unobstructed view of the beautiful flame display.

With its combination of style, advanced technology, and efficient heating capabilities, the Monessen Hearth KHLDV400 is an exceptional choice for those looking to invest in a gas fireplace that delivers both performance and elegance to their home.
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