Emerson FISHER RJ600 Series Instruction Manual

Instruction Manual
D450396T012
March 2024
RJ600 Series Instruction Manual
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WARNING
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher™ equipment must be installed,
operated and maintained in accordance
with federal, state and local codes,
rules and regulations and Emerson
Process Management Regulator
Technologies, Inc. The installation in
most states must also comply with
NFPA No. 54 and 58 standards.
Only personnel trained in the proper
procedures, codes, standards
and regulations of the LP-Gas
industry should install and service
this equipment.
Things to tell the gas customer
1. Show the customer the vent or vent assembly or
vent tube. Stress that this opening must remain
unobstructed at all times. Tell the customer to
check the vent opening after a freezing rain, sleet
storm or snow to make sure ice has not formed in
the vent.
2. Show the customer the shutoff valve on the
container. The customer should close this valve
immediately if gas is smelled, appliance pilot lights
fail to stay on or appear higher than usual or any
other abnormal situation occurs.
3. Tell the customer to call your company to service
the regulator if the regulator vents gas or a
leak develops in the system. Only a qualified
gas service person should install or service
the regulator.
TYPE RJ622
TYPE RJ652
Figure 1. Types RJ622, RJ642 and RJ652 Regulators
4. Tell the customer to call your company to have a
leak check performed if the gas supply has been
shutoff or interrupted for any reason. A leak check
must be performed by a qualified gas service
person on the piping system immediately after
turning on the gas supply.
Introduction
Scope of the Manual
This Instruction Manual covers Installation and
Maintenance for the RJ600 Series regulators, which
includes second stage and two psig service regulators
used on LP-Gas vapor service applications. They are
not to be used on liquid service. These regulators
are intended for jurisdictional applications where the
pressure coming from the first stage is higher than
10 psig / 0.7 bar.
RJ600 Series
TYPE RJ642