User Guide

20
RECOMMENDED PERIODIC TES TING
TESTING
ITEM
HOW
OFTEN
COMPLETED
BY REMARKS
Gauges, monitors and operating log Daily Operator Make visual inspection and record readings
Instrument and equipment settings Daily Operator Make visual check against recommended
specifications
Weekly Operator Verify factory settings
Semiannually Service T ech Verify factor y settings
Firing rate
Annually Servic e Te ch Check with combustion t e st
Flue, ve nt , stac k or o utlet d amper s Monthl y Oper ato r Ma ke visual insp ect i on of l i nka ge; che ck for
proper operation
Igniter Weekly Operator Make visual inspection, check flame signal
strength if meter-fitted (see "Combustion Safety
Contro ls")
Fuel valves: pilot and main
(primary and secondary)
Weekly Operator Operate burner. Using a manometer or pressure
gauge, check pressure to the burner as required
on rating label.
Pilo t and main gas or o il tr ain Annually Servic e Te ch Perfo rm leakage tests - r e fer to instruc tions
Combustion safety controls (flame
failure)
Weekly Operator Close manual fuel supply for the pilot and main
fuel valve(s); check safety shutdown timing; log
result.
Flame signal str ength
Weekly Operator With flame signal meter installed, read and log
for both pilot and main flames. Notify service
orga nizat ion if r ead ings ar e very high, ve ry low
or fluctuating. Refer to instructions for nominal
values
Pilot turndown test As required /
annuall y
Service Tech Required after any adjustment to flame scanner
mount or pil o t b urner ; ver ify annuall y - re fer t o
instructions.
Low-water fuel cutoff and alarm Daily/weekly
Semiannually
Operator Refer to instructions and perform a slow drain
test.
High limit safe t y thermostat c ontr o l Annually Servic e T ech Refer to instruc tions
Oper ating t he r mostat c o ntro l Annually Servic e Te ch Refer to instruct ions
Vent draft fan, and air pressure
switches
Monthly Operator Refer to instructions
High and low gas pressure interlocks Monthly Operator Refer to instructions
High and low oil pressure interlocks Monthly Operato r Refer to instructions
Fuel valve inter l ock switch Annually Oper ato r Refe r to i nst r uctio ns
Low fire sta rt int e rlo ck Annually Ope rato r Re fe r to instruc tio ns
Automatic changeover control (dual
fuel)
At least
annuall y
Service Tech Under supervision of gas utility
T&P valves
As required Operator In accordance with procedure in Section VI
ASME Boiler and Pr essure Vesse l Co de,
Recommended Rules for Care and Operation of
Heating Boilers.
Inspec t Bur ner Co mpo nents Semiannually Oper ato r Refer t o bur ne r instr uc tions