Vermont Casting LHER20 Venting Installation, For left side installation, reverse switch position

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LHE Series Natural Vent Insert

Right Side Installation

Left Side Installation

On/Off

 

Switch As-

On/Off

sembly

Switch As-

 

 

sembly

Wiring from

Millivolt Gas

Valve

FP1330

Fig. 7 Insert ON/OFF switch with wiring assembly into bracket switch.

 

 

 

 

FP1331

Fig. 8 For left side installation, reverse switch position in

bracket.

 

 

 

 

 

SIT Valve

THTP

 

 

Thermopile

 

 

 

 

 

 

 

TP

 

 

 

 

TH

 

 

 

 

 

 

P

 

 

 

I

 

 

T L

 

 

 

O

 

 

FP382a

 

 

 

 

Fig. 9a

On/Off switch or millivolt thermostat.

 

 

 

Honeywell Valve

 

TH

 

TP

 

TPTH

FP1218

Fig. 9b

On/Off switch wiring.

CAUTION: Do not wire millivolt remote wall switch for gas fireplace to a 120v power supply.

Venting Installation

1.The fireplace may be installed in and vented through any solid fuel fireplace that has a minimum fireplace opening 25¹⁄"W x 17¹⁄" H x 13¹⁄"D (641 x 438 x 343 mm) for LHEC20 and LHER20 or 28³⁄"W x 21"H

x 15¹⁄"D (730 x 533 x 394 mm) for LHEC30 and LHER30 and has been installed in accordance with the National, Provincial/State and local building codes and is constructed of noncombustible materials.

2.In order to gain minimum gas insert fireplace opening requirement, if the fire brick refractory is removed from a factory built fireplace, a minimum of 1/4" air space is required between the gas insert fireplace's outer casing and the inner wall of the factory built fireplace.

3.In order to obtain the best performance, safety and efficiency for the gas insert fireplace, the LHEC30 and LHER30 gas insert must be installed with an approved 4" diameter flue liner. The LHER20 and LHEC20 should be installed with an approved 3" diameter flue liner as per current CSA-B149.1 or National Fuel Gas Code ANSI Z223.1/NFPA 54.

4.Any flue damper must be removed or blocked open.

5.The chimney must be clean and in good working order and constructed of noncombustible materials.

6.Make sure that all chimney cleanouts fit properly so air cannot leak into the chimney.

7.Install the appliance without trim frame and make all gas fittings and electrical connections.

8.Install the decorative trim frame. Please refer to the Frame Assembly instructions.

Installer must attach red warning plate with screws supplied with the gas fireplace insert to the inside of the firebox of the fireplace into which the gas fireplace insert is installed.

Cutting any sheet metal parts of the fire- place, in which the gas fireplace insert is to be installed, is prohibited.

If the factory-built fireplace has no gas access hole(s) provided, an access hole of 1¹⁄₂ (37.5 mm) or less may be drilled through the lower sides or bottom of the firebox in a proper workmanship-like man- ner. This access hole must be plugged with a noncombustible insulation after the gas supply line has been installed.

WARNING

Some factory-built fireplaces have air passages on face of fireplace for zero clearance capabilities. Under no circumstances should these passages be blocked.

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Contents LHEC20 LHER30 LHEC30 Table of Contents Installation & Operating Instructions Locating Your Gas Fireplace Insert With Zero Clearance KitInsert Applications Please Read the Following CarefullyFireplace & Trim Dimensions Minimum Fireplace Insert OpeningMantels Framing & FinishingZero Clearance Applications An alternate air supply is recommended with this componentGas Line Installation Gas SpecificationsGas Inlet & Manifold Pressures High ElevationsInstallation of Trim Switch For RN/RP Gas Valves Gas Supply PressuresFan Kit Fan Removal InstructionsVenting Installation For left side installation, reverse switch positionCommon Flue Installations Liner InstallationDraft Relief Opening Test Chimney DrawBlocked Flue Shut Off Switch Access Ceramic Refractory InstallationAccess to the shut off switch from outside of the insert Blocked Flue Shut Off SystemOperating Instructions Flame Adjustment RN/RP Models Flame CharacteristicsLarge Lava Rock Placement First FiringPSE Pilot To Turn Off Gas To Heater What to do if YOU Smell GASTroubleshooting the Gas Control System Symptom Possible Causes Corrective ActionHoneywell Millivolt Valve Shut Off Procedure Transmitter Operation Off ModeOn Manual Mode Instructions for RF Comfort Control ValveDelay Timer Mode Auto ModeFan Override During Auto Mode Change Between F/C Temperature UnitsLED Count Service Action Replace valve Auto PathLocal Path Maintenance Trim CleaningCleaning the Standing Pilot Control System Burner and Burner CompartmentLHE Series Description LHER20 LHEC20 LHER30 LHEC30Remote Switch for RN or RP Units Optional Accessories Remove the bottom door rail Product Covered by this Warranty If Warranty Service is NEEDED…Efficiency Ratings AFUE%

LHER20 specifications

The Vermont Casting LHER20 is a premium wood-burning stove that combines efficiency, aesthetics, and environmentally responsible heating. Known for its high-quality construction and innovative technologies, this model is designed to provide optimal warmth while also enhancing any living space with its classic design.

One of the standout features of the LHER20 is its exceptional thermal efficiency. With an EPA-certified design, the stove meets stringent emissions standards, ensuring that it burns wood cleanly and efficiently. This not only helps in reducing environmental impact but also translates to longer burn times and less frequent reloading, providing convenience for users.

The LHER20 incorporates advanced air management systems that promote secondary combustion. This technology re-burns exit gases from the initial burn, maximizing fuel utilization and enhancing heat output. As a result, this stove delivers a remarkable heat output, making it ideal for heating medium to large spaces.

Crafted from high-quality cast iron, the Vermont Casting LHER20 offers both durability and aesthetic appeal. It comes in several attractive finishes, including matte black and classic enamel colors, allowing homeowners to choose a look that complements their decor. The traditional styling features large glass doors that provide a captivating view of the fire, creating a cozy atmosphere and enhancing the overall experience of wood-burning.

Another notable characteristic is its user-friendly operation. The LHER20 features a simple damper control system, allowing users to easily adjust airflow for controlling the burn rate. This ensures a steady and consistent heat output while allowing users to tailor the stove’s performance to their preferences.

In terms of size, the LHER20 is compact yet powerful, making it suitable for various spaces, including cabins, homes, or even larger open-plan areas. The stove's efficient heat delivery helps create a comfortable environment during the cold months, proving its worth as a reliable heating solution.

Overall, the Vermont Casting LHER20 is an exemplary wood stove that combines tradition with modern technology. Its outstanding features, environmental responsibility, and aesthetic appeal make it a sought-after choice for those seeking to embrace the warmth and charm of wood-burning stoves in their homes. Whether for aesthetics, efficiency, or performance, the LHER20 stands as a testament to Vermont Casting's commitment to quality.