installation, operating and service instructions eva series boiler
installation, operating and service instructions eva series boiler
installation, operating and service instructions eva series boiler
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PERIODIC MAINTENANCE RECOMMENDED CHECK LIST<br />
Frequency Component/Item Recommended Test<br />
Daily<br />
Maintenance<br />
Weekly<br />
Maintenance<br />
Monthly<br />
Maintenance<br />
Semi-Annual<br />
Maintenance<br />
Annual<br />
Maintenance<br />
As-Required<br />
Gauges, monitors, <strong>and</strong> indicators<br />
Gauges, monitors, <strong>and</strong> indicators<br />
Burner flame<br />
Low Draft, fan air pressure, <strong>and</strong> damper<br />
position interlocks<br />
Igniter<br />
Flame signal strength<br />
Flame failure detection system<br />
Firing rate control<br />
Pilot <strong>and</strong>/or main fuel valves<br />
Low-water fuel cutoff<br />
Flue, vent, stack, or outlet dampers<br />
Gas pressure interlocks<br />
Gauges, monitors, <strong>and</strong> indicators<br />
Flame failure detection system<br />
Condensate drain tubes<br />
Air filter<br />
Interlocks <strong>and</strong> valves<br />
Flue, vent, stack, or outlet dampers<br />
Flame failure detection system<br />
Pilot <strong>and</strong>/or main fuel valves<br />
Pilot <strong>and</strong>/or main fuel valves<br />
Flame safeguard<br />
Air Filter<br />
Boiler trim<br />
High limit <strong>and</strong> <strong>operating</strong> temp. controls<br />
Low-water fuel cutoff<br />
Safety relief valves<br />
Make visual inspection <strong>and</strong> record readings.<br />
Check operation of <strong>boiler</strong> is as shown on page (46) of<br />
this manual.<br />
Make visual inspection of burner flame.<br />
Test low draft, fan, air pressure, <strong>and</strong> damper position<br />
interlocks according to <strong>instructions</strong> if so equipped<br />
Make visual inspection, check flame signal strength; log<br />
Read <strong>and</strong> log flame signal meter, read for both pilot <strong>and</strong><br />
main flames<br />
Close manual fuel supply for (1) pilot, (2) main fuel cock,<br />
<strong>and</strong>/or valve(s); check safety shutdown timing<br />
Check firing rate control, place RWF40 in manual<br />
mode <strong>and</strong> check high <strong>and</strong> low firing settings for proper<br />
operation<br />
Open limit switch <strong>and</strong> make aural <strong>and</strong> visual check;<br />
check valve position indicators <strong>and</strong> check fuel meters if<br />
so fitted<br />
Test low-water fuel cutoff device <strong>and</strong> alarm according to<br />
manufacturer’s <strong>instructions</strong><br />
Check components<br />
Test high <strong>and</strong> low gas pressure interlocks<br />
Recalibrate all indicating <strong>and</strong> recording gauges<br />
Check components<br />
Check drain tubes have liquid in trap <strong>and</strong> condensate is<br />
properly directed<br />
Check air filter<br />
Check piping <strong>and</strong> wiring of all interlocks <strong>and</strong> shut off<br />
valves if so equipped<br />
Measure carbon monoxide <strong>and</strong> oxygen levels <strong>and</strong><br />
temperature in flue products<br />
Conduct pilot turndown test according to manufacturer’s<br />
<strong>instructions</strong>. This test is required annually <strong>and</strong> after any<br />
adjustments to flame scanner mount or pilot burner<br />
Check all coils <strong>and</strong> diaphragms; test other <strong>operating</strong><br />
parts of all safety shutoff <strong>and</strong> control valves<br />
Perform leakage test on pilot <strong>and</strong> main gas <strong>and</strong>/or oil<br />
fuel valves, in accordance with <strong>instructions</strong><br />
Test purge timing according to manufacturer’s<br />
<strong>instructions</strong><br />
Replace (recommended)<br />
Remove lower front jacket panel <strong>and</strong> check for any signs<br />
of corrosion <strong>and</strong> leaks<br />
Test proper operation<br />
Recondition or replace<br />
Test safety relief valves in accordance with ASME Boiler <strong>and</strong><br />
Pressure Vessel Code, Sections VI <strong>and</strong> VII<br />
47
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