Monessen Hearth PL20 Product Features, operation, GAS pressures, Gas Specifications, Pilot

Models: PL20

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PRODUCT FEATURES

PRODUCT FEATURES

Parlor Vent Free Fireplace

Hi/Lo Knob

 

Control Knob

FP2552

 

Piezo Ignition

 

On/Off Switch

Light Switch

 

Figure 1 -

PL20 Controls

(Control Access Door Shown Open)

operation

This unvented gas heater requires no outside venting and burns cleanly with high heating efficiency.

This zero-clearance unvented gas heater can be installed against (or recessed into) any wall that is accessible to a gas line.

GAS pressures

 

Natural

Propane (LP)

Inlet Minimum

5.0” w.c.

11.0” w.c.

Inlet Maximum

10.5” w.c.

13.0” w.c.

Regulator Pressure

 

 

Setting

3.5" w.c.

10" w.c.

Pilot Regulator

3.5" w.c.

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90D0093

Gas Specifications

 

 

 

Input BTU/hr

Model

Fuel

Control

Max.

Min.

PL20NV

Nat.

Millivolt

20,000

14,500

PL20PV

LP

Millivolt

20,000

17,000

NOTE: For LP models an external regulator is required to reduce supply pressure to a maximum of 13" w.c.

ignition controls

Piezo ignitor allows ignition of the pilot without the use of matches or batteries.

Millivolt control has four (4) positions:

OFF - All gas to the gas logs is shut off at the valve.

IGN - Valve position to light/maintain a standing pilot.

ON - Valve position to turn ON/OFF log set with remote switch/thermostat.

LOW/HI - Variable position to control flame height (heat output). Both front and rear burners are in operation to provide realistic glow and yellow flame.

Pilot

The gas log heater is fitted with a specially designed safety pilot light which senses the amount of oxygen available in the room and shuts the gas log heater off if the oxygen level begins to drop below a satisfactory level. The pilot can only be relit when adequate fresh air is available.

Thermal Generator

The millivolt gas log pilot is fitted with a millivolt generator to provide power for remote activation.

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Monessen Hearth PL20 Product Features, operation, GAS pressures, Gas Specifications, ignition controls, Pilot, 90D0093