Mendota GREENBRIAR M-50 Operations Instructions download pdf (Page 53)

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LP PRESSURE

REGULATOR

NG PRESSURE

REGULATOR

GAS VALVE BODY

SCREWS

PILOT HOOD

PILOT ORIFICE

USE

WRENCH TO

LOOSEN HOOD

NATURAL TO LP GAS CONVERSION

Kit # HA-52-00145 for Mendota Model M-50

This conversion kit shall be installed by a qualified service agency in

accordance with the manufacturer’s instructions and all applicable

codes and requirements of the authority having jurisdiction. If the

information in these instructions is not followed exactly, a fire, ex-

plosion or production of carbon monoxide may result causing

property damage, personal injury or loss of life. The qualified ser-

vice agency is responsible for the proper installation of this kit.

The installation is not proper and complete until the operation of the

converted appliance is checked as specified in the owner instructions supplied

with the kit.

Caution

: The electrical supply to the fireplace must be turned off prior to per-

forming the conversion. The gas supply must be shut off prior to disconnecting

the electrical power.

ORIFICE SIZES REQUIREMENT:

A Natural Gas to LPG conversion kit #HA-52-00145 must be ordered and installed to convert the M-50 Fireplace to burn

LPG.

LP Conversion Kit #HA-52-00145 contains the following parts: One LP Pressure Regulator, One LP Pilot Orifice Thimble,

One Cap Orifice

drill #54 (for rear burner) and One Cap Orifice drill #51 (for front burner). Specifically, identify the Rear

and Front Burner Cap Orifices. Use proper sized drill bits’ shaft ends to verify orifice sizes.

WARNING: IT IS OF THE UTMOST IMPORTANCE THAT THE CORRECT BURNER ORIFICE BE INSTALLED FOR

BOTH THE REAR AND FRONT BURNERS.

1. Turn off gas supply at the appliance service valve. Identify the Pressure Regulator on the Valve Body; see Figure 13

on PAGE 45.

2. Using a ¼” flat blade screwdriver, remove 3 screws that

secure the NG Pressure Regulator to the gas valve body

and remove NG Pressure Regulator as shown above.

Identify the pressure regulator spring that is located in the

center of the black rubber gasket. Discard both the black

rubber gasket and spring.

3. Install the new LP Pressure Regular onto the gas valve

body in the same position and orientation as the NG Pres-

sure Regulator you removed in Step 2, above. The LP

Pressure Regulator can only be mounted in one position.

Secure the LP Pressure Regulator in place using the 3

screws you removed in Step 2. Tighten down using a ¼”

flat blade screwdriver.

4. Remove both Rear and Front Burners. Locate and Identify

the Rear Burner Orifice Spud and the Front Burner Orifice

Spud. Both Front

and Rear Orifice

Spuds are re-

moved and in-

stalled using a ½”

deep well socket

and ratchet.

5. Install Rear Burner Orifice #65-14-00054(#54 drill) for the Rear Burner.

Tighten down securely.

6. Install Front Burner Orifice #65-14-00051 (#51 drill) for the Front Burner.

Tighten down securely.

7. Install pilot orifice thimble #05-04-00036 (.014”) see Figure 15 for location.

Remove and install pilot hood with 7/16” open-end wrench. (Pilot orifice

thimble is located inside pilot hood base).

8. Re-assemble pilot hood. Tighten down until pilot flame hood that is directed

towards thermocouple is aligned properly with thermocouple.

Figure 38

Figure 39

DETAIL A

REAR

ORIFICE

FRONT

ORIFICE

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 67 68

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Mendota GREENBRIAR M-50 Operations Instructions Page 53

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