HTP ELP-199 User Manual
Page 79
79
LP-294 REV. 2.20.14
Vent
Check condition of all vent pipes and joints. Ensure all vent
piping is properly supported. Check for obstructions at
exhaust and intake termination points.
Gas
Check Gas piping, test for leaks and signs of aging. Make
sure all pipes are properly supported.
SYSTEM
Visual
Do a full visual inspection of all system components.
Functional
Test all functions of the system (Heat, Safeties)
Temperatures
Verify safe settings on boiler or Anti-Scald Valve
Temperatures
Verify programmed temperature settings
ELECTRICAL
Connections
Check wire connections. Make sure they are tight.
Smoke and CO detector
Verify devices are installed and working properly. Change
batteries if necessary.
Circuit Breakers
Check to see that the circuit breaker is clearly labeled.
Exercise circuit breaker.
CHAMBER/BURNER
Combustion Chamber
Check burner tube and combustion chamber coils. Clean
according to maintenance section of manual. Vacuum
combustion chamber.
Spark Electrode
Clean. Set gap at ¼”.
Flame Probe
Clean. Check ionization in uA (in System Test, Part 12,
Section F). Record high fire and low fire.
CONDENSATE
Neutralizer
Check condensate neutralizer. Replace if necessary.
Condensate hose
Disconnect condensate hose. Clean out dirt. Fill with water
to level of outlet and re-install. (NOTE: Verify the flow of
condensate, making sure that the hose is properly
connected during final inspection.)
GAS
Pressure
Measure incoming gas pressure (
3.5” to 14” W.C.)
Pressure Drop
Measure drop in pressure on light off (no more than 1”
W.C.)
Check gas pipe for
leaks
Check piping for leaks. Verify that all are properly
supported.
COMBUSTION
CO/CO2 Levels
Check CO and CO2 levels in Exhaust (See Part 12, G).
Record at high and low fire.
SAFETIES
ECO (Energy Cut Out)
Check continuity on Flue and Water ECO. Replace if
corroded.
Water Pressure Switch
Check operation. Check for signs of leakage. Replace if
corroded.
Thermistors
Check wiring. Verify through ohms reading.
FINAL INSPECTION
Check list
Verify that you have completed entire check list.
WARNING: FAILURE TO DO SO COULD RESULT IN
SERIOUS INJURY OR DEATH.
Homeowner
Review what you have done with the homeowner.
Table 49 -
*Continue annual maintenance beyond the 4
th
year as required.