PFA SERIES INSTALLATION, OPERATION, MAINTENANCE
52
5. Where semi-annual maintenance of any wet chemi-
cal containers or PFS components reveals conditions
such as, but not limited to, corrosion or pitting in ex-
cess of manufactured limits, structural damage or fire
damage, repairs by soldering, welding, or brazing,
the affected part(s) shall be replaced or hydrostati
-
cally tested. The hydrostatic testing of wet chemical
containers shall follow the applicable procedures out-
lined in NFPA 17A.
6. All wet chemical systems must be tested for proper
operation, which shall include operation of the detec-
tion system signals and releasing devices, including
the manual pull station and other associated equip-
ment. A discharge of the wet chemical is not a re-
quired part of the test.
a. Simply disconnect one lead from the pressure
switch to initiate appliance shut-down.
7. Where the maintenance of the PFS reveals defec-
tive parts that could cause an impairment or failure of
proper operation of the PFS, the affected parts must
be replaced or repaired.
8. The maintenance report, with recommendations if
any, shall be filed with the owner or with the desig
-
nated party responsible for the PFS.
9. The PFS must have a tag or label indicating the
month and year the maintenance is performed and
identifying the person performing the service. Only
the current tag or label must remain in place.
Twelve Years
Maintenance must be done by authorized service per-
sonnel, as per NFPA 17A and include the following:
1. The wet chemical extinguishing agent must be re-
moved and discarded.
2. The cylinder needs to be hydrostatically tested to 300
psi (21 bar).
3. If the cylinder shows no signs of rupture or distortion,
recharge the PFS as directed in the recharging in-
structions.
SEMI-ANNUAL INSPECTION & MAINTENANCE (I & M) LOG:
PERFECT FRY Serial No. _______________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
Date __________ I & M by _____________________ Date ____________ I & M by ____________________
