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Instruction Manual
May 2013
HSRL Series LP-Gas Regulators
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 and
Fisher instructions. 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.
Figure 1. Type HSRL Series Regulators
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.
www.fisherregulators.com
HSRL Series
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Related Manuals for Emerson Fisher HSRL Series
Summary of Contents for Emerson Fisher HSRL Series
- Page 1 HSRL Series Instruction Manual May 2013 HSRL Series LP-Gas Regulators Figure 1. Type HSRL Series Regulators Things to tell the gas customer: WaRninG 1. Show the customer the vent or vent assembly or Failure to follow these instructions or vent tube. Stress that this opening must remain to properly install and maintain this unobstructed at all times.
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Page 2: Specifications
HSRL Series Specifications Tables 1 to 3 list the specifications for these regulators. Contact the factory if the regulator is to be used on any service other than LP-Gas, natural gas, or air. The following information is located on the spring case: Type number, orifice size, spring range, and date of manufacture. -
Page 3: General Installation Instructions
VENT POINTED DOWN HSRL Series 3 FEET / 0.91 meter VENT POINTED DOWN Figure 2. Regulator with Vent Pointed Down introduction LP-Gas may discharge to the atmosphere through the vent. an obstructed vent which limits air or Scope of the Manual gas flow can cause abnormally high pressure that could result in personal This Instruction Manual covers Installation and... -
Page 4: Installation Location
HSRL Series Figure 3. Tank Installation installation Location Regulators Subjected to Heavy Snow Conditions • The installed regulator should be adequately protected from vehicular traffic and damage from Some installations, such as in areas with heavy other external sources. snowfall, may require a hood or enclosure to protect the regulator from snow load and vent freeze over. - Page 5 HSRL Series TO APPLIANCE VENT ASSEMBLY VENT LINE VENT OPENING MUST BE AT LEAST 3 FEET / 0.91 meter HORIZONTALLY FROM ANY BUILDING OPENING BELOW IT BASEMENT FROM FIRST STAGE REGULATOR Figure 4. Basement Installation...
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Page 6: Overpressure Protection
HSRL Series Large volumes of gas may discharge from the regulator’s internal relief valve. Vent lines through the regulator vent during should be at least 3/4-inch NPT pipe or 3/4-inch internal relief valve operation, which NPT size, Gray PVC Schedule 40 Rigid Non-metallic can, if not controlled, result in fire or Electrical Conduit for above Ground Service, per explosion from accumulated gas. -
Page 7: Regulator Replacement
HSRL Series regulators depends upon the severity of service or environmental conditions may dictate service conditions or the requirements of replacement of the regulator before it becomes local, state, and federal regulations. Even 20 years old. Regulators that are installed on under ideal conditions, these regulators underground systems and in areas that are subject should be replaced after 20 years from... - Page 8 For further information visit www.fisherregulators.com The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls International LLC, a business of Emerson Process Management.