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.