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• Read these instructions carefully.
• Failure to follow them and/or improper installation may
cause explosion, property damage and injuries.
• Installation must be done with the supervision of a
licensed burner technician.
• The system must meet all applicable national and local
code requirements.
Installation
• The regulator can be mounted either upstream or
downstream of the DMV/6. It can also be mounted as a
stand alone regulator using two flanges and the flange
mounting kit.
• The main gas supply must be shut off before starting the
installation.
• Examine the regulator for shipping damages.
• The inside of the regulator and piping must be clean and
free of dirt.
Recommended Procedure to Mount the FRI/6 regulator to a
DMV/6 series valve.
• Replace the O-ring in the groove on the side of the
DMV/6 body with the oval O-ring supplied with the
mounting kit.
• Make sure the oval O-ring and the groove are clean and
in good condition.
• Install the FRI/6 regulator and DMV/6 series valve with
the gas flow matching the direction indicated by the
arrows on the body.
• Attach the regulator to the DMV/6 series valve body using
the socket cap crews supplied in the FRI/DMV mounting
kit.
• Use a 5mm Allen wrench for the FRI 705/6 & 707/6.
• Use a 6mm Allen wrench for the FRI 710/6 & 712/6.
• Tighten the screws in crisscross pattern.
• Do not overtighten the screws. Follow the maximum
torque values listed below.
• After installation is completed perform a leak test to
verify that no leakage occurs.
Recommended Torque for Mounting Screws
M6
M8
Screw Size
62
134
[lb-in]
ATTENTION
• Check the ratings in the specifications to make sure that
it is suitable for your application.
• Never perform work if gas pressure or power is applied,
or in the presence of an open flame.
• Once installed, perform a complete checkout including
leak testing.
INSTALLATION
Recommended Procedure to Mount Flanges
• Make sure the O-rings and the grooves are clean and in
good condition.
• Install the FRI/6 with the gas flow matching the direction
indicated by the arrows on the casting.
• Mount the FRI/6 vertical upright to horizontal.
• Clean the mounting surface of the flanges. Make sure
they are in good condition.
• Attach the FRI/6 to the flanges using the appropriate M6
or M8 socket cap screws supplied.
• Use a 5mm Allen wrench for the FRI 705/6 & 707/6.
• Use a 6mm Allen wrench for the FRI 710/6 & 712/6.
• Tighten the screws in a crisscross pattern
• Do not overtighten the screws. Follow the maximum
torque values below.
• After installation is complete, perform a leak test.
Recommended Torque Screws
M6
62
CAUTION: If the flow is not in the same direction of
the arrows the regulator will not operate properly.
Recommended Piping Procedure
• Use new, properly reamed and threaded pipe free of
chips.
• Apply good quality pipe sealant, putting a moderate
amount on the male threads only. If pipe sealant lodges
on the regulator seat, it will prevent proper operation. If
using LP gas, use pipe sealant rated for use with LP
gas.
M8
Screw Size
134
[lb-in]
3
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