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D103744X012

Instruction Manual

May 2013 

HSRL Series 

www.fisherregulators.com

Figure 1.  Type HSRL Series Regulators

HSRL Series LP-Gas Regulators

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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 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.

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.

Summary of Contents for Fisher HSRL Series

Page 1: ...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 s...

Page 2: ...mate Weight 5 5 pounds 2 5 kg 1 The pressure temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded Orifice Size Wide Open Cg FOR RELIEF SIZING MAXIMUM OPERATING INLET PRESSURE TO OBTAIN GOOD REGULATING PERFORMANCE Inch mm psig bar 3 8 9 5 105 30 2 1 1 2 13 185 20 1 4 Table 1 Maximum Operating Inlet Pressure Table 2 Relief Performance Orifice siz...

Page 3: ...scharge to the atmosphere through the vent An obstructed vent which limits air or gas flow can cause abnormally high pressure that could result in personal injury or property damage Failure to use a vent line on Indoor Installations can cause a hazardous accumulation of gas which could result in personal injury or property damage General Installation Instructions Before installing the regulator Ch...

Page 4: ...ugh above ground level at least 18 inches 45 cm so that rain splatter cannot freeze in the vent Regulators Subjected to Heavy Snow Conditions Some installations such as in areas with heavy snowfall may require a hood or enclosure to protect the regulator from snow load and vent freeze over Horizontally Installed Regulators Horizontally mounted regulators such as found in single cylinder installati...

Page 5: ... Series Figure 4 Basement Installation TO APPLIANCE VENT ASSEMBLY VENT OPENING MUST BE AT LEAST 3 FEET 0 91 meter HORIZONTALLY FROM ANY BUILDING OPENING BELOW IT VENT LINE BASEMENT FROM FIRST STAGE REGULATOR ...

Page 6: ... wear or damage that may occur from external sources these regulators must be inspected and maintained periodically The frequency of inspection and replacement of the from the regulator s internal relief valve Vent lines should be at least 3 4 inch NPT pipe or 3 4 inch NPT size Gray PVC Schedule 40 Rigid Non metallic Electrical Conduit for above Ground Service per Underwriters Laboratories UL 651 ...

Page 7: ...derground systems and in areas that are subject to sea salt coastal atmospheres should be inspected annually for external and internal corrosion and may require replacement sooner Refer to Fisher Bulletin LP 32 for additional information Water inside Regulators from Floods or Weather Replace any regulator that has been flooded has had water in the spring case or shows evidence of external or inter...

Page 8: ... services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management ...

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