2-10 ELECTRICAL / REFRIGERATION
P/N 9FQ6P11007900_B U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com
Before Beginning Any Service or Repair:
Use a hand-held propane leak detector
(“sniffer”) to ensure no propane is present in the
immediate area, the inside of the display case
and the inside of the refrigeration system. R-290
is an odorless refrigerant. Keep the area clear of
all customers and non-essential or unauthorized
personnel.
Verify that all repair parts are identical models
to the ones they are replacing. Do not substitute
parts such as motors, switches, relays, heaters,
compressors, power supplies or solenoids.
Failure to do so can result in an explosion,
death, injury and property damage. Parts used
on hydrocarbon cases must meet specic UL
certication for non-incendive or non-sparking
components. Use only Hussmann approved parts
approved through the Hussmann Performance
Parts Website. https://parts.hussmann.com/
Brazing must not begin before all propane has
been cleared from the immediate area — the
inside of the displays case and the inside of the
refrigeration system.
Only Hussmann or factory
trained technicians should
service or repair this R-290
(propane) equipment.
Failure to follow
instructions can result in
an explosion, death, injury
and property damage.
If a leak is detected, follow store safety
procedures. It is the store’s responsibility to have
a written safety procedure in place. The safety
procedure must comply with all applicable codes
such as local re department’s codes.
At minimum, the following actions are required:
• Immediately evacuate all persons from the
store, and contact the local re department to
advise them that a propane leak has occurred.
• Call Hussmann and/or a qualied service
agent and inform them that a propane sensor has
detected the presence of propane.
• Do not let any persons back into the store
until the qualied service technician has arrived
and that technician advises that it is safe to
return to the store.
• The propane gas used in the unit has no odor.
The lack of smell does not indicate a lack of
escaped gas.
• A hand-held propane leak detector
(“sniffer”) should be used before any repair and/
or maintenance is attempted. All repair parts
must be identical models to the ones they are
replacing.
• No open ames, cigarettes or other possible
sources of ignition should be used inside the
building where the units are located until the
qualied service technician and/or local re
department determines that all propane has been
cleared from the area and from the refrigeration
systems.
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