Emerson Fisher R622 Instruction Manual

Instruction Manual
Form 5782
October 2009
Type R622 Pressure Reducing Regulator
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 regulators must be installed,
®
operated, and maintained in accordance
with federal, state, and local codes,
rules and regulations, and Emerson
Process Management Regulator
Technologies, Inc. instructions.
For LP-Gas service, an approved
regulator (such as one listed by UL)
should be used or approved by the
Authority Having Jurisdiction. The
Installation in most states, must comply
with NFPA 58 standard.
W8806
Figure 1. Type R622 Regulator
www.emersonprocess.com/regulators
If the regulator vents gas or a leak
develops in the system, service to the unit
may be required. Failure to correct trouble
could result in a hazardous condition.
Call a gas service person to service
the unit. Only a qualified person must
install or service the regulator.

Introduction

Scope of the Manual

This manual provides instructions for the installation,
Adjustment, maintenance, and parts ordering information
for the Type R622 pressure reducing regulator.

Product Description

Type R622 direct-operated, spring-loaded regulators
provide economical pressure reducing control in
a variety of residential, commercial, and industrial
applications. These regulators can be used with
natural, manufactured, or liquefied petroleum gases and
have the same inlet and outlet pressure capabilities.
Type R622