R4140G, L AND M FLAME SAFEGUARD PROGRAMMING CONTROLS
60-0770—2
29
Item Frequency Accomplished By Remarks
Gauges, Monitors, and Indicators Daily Operator Make visual inspection and record readings in
log.
Instrument and Equipment Settings Daily Operator Make visual check against factory recommended
specifications.
Firing Rate Control Weekly Operator Visually inspect.
Semi-annual Service Technician Verify factory settings—check with combustion
test instruments.
Igniter Fuel Valves Weekly Operator Make visual inspection, check flame signal
strength if meter is fitted (see Combustion Safety
Controls).
1. Pilot Valves Open limit switch—make audible and visual
check; check valve position indicators; check fuel
meters.
2. Main Gas Valves Monthly Operator
Perform leakage tests—refer to manufacturer’s
3. Main Oil Valves Annual Service Technician
instructions.
Combustion Safety Controls
1. Flame Failure Weekly Operator Close manual fuel supply for (1) pilot (2) main
fuel cock and/or valve(s)—check safety
shutdown timing log.
2. Flame Signal Strength Weekly Operator If flame signal meter is installed, read and log—
for both pilot and main flames, notify service
organization if readings are very high, very low or
fluctuating—refer to manufacturer's instructions.
3. Pilot Turn-Down Tests As required/
Annual
Service Technician Required after any adjustments to flame scanner
mount or pilot burner—verify annually.
4. Refractory Hold-In As required/
Annual
Service Technician See Pilot Turn-Down Test.
Low Water Fuel Cutoff and Alarm Daily/Weekly Operator Refer to manufacturer’s instruction.
High Limit Safety Control Annual Service Technician Refer to manufacturer’s instructions.
Operating Control Annual Service Technician Refer to manufacturer’s instructions.
Low Draft, Fan and Air Pressure
Interlocks
Monthly Operator Refer to manufacturer’s instructions.
Atomizing Air/Steam Interlock Annual Service Technician Refer to manufacturer’s instructions.
High and Low Gas Pressure
Interlocks
Monthly Operator Refer to manufacturer’s instructions.
High and Low Oil Pressure Interlocks Monthly Operator Refer to manufacturer’s instructions.
High and Low oil Temperature
Interlocks
Monthly Operator Refer to manufacturer’s instructions.
Fuel Valve Interlock Switch Annual Service Technician Refer to manufacturer’s instructions.
Purge Switch Annual Service Technician Refer to manufacturer’s instructions.
Burner Position Interlock Annual Service Technician Refer to manufacturer’s instructions.
Rotary Cup Interlock Annual Service Technician Refer to manufacturer’s instructions.
Low Fire Start Interlock Annual Service Technician Refer to manufacturer’s instructions.
Automatic Change-over Control
(Dual Fuel)
At least
Annual
Service Technician Under supervision of gas utility.
Safety Valves As required Operator In accordance with procedure in Section VI,
ASME Boiler Code Recommended Rules for
Care and Operation of Heating Boilers.
Inspect Burner Components Semi-annual Service Technician Refer to manufacturer's instructions.
To Next Page
Loading...
Need help?
General
