54
LP-179 REV. 11.26.14
PART 11 - MAINTENANCE
In unusually dirty or dusty conditions, care must be taken to keep water heater cabinet door in place at all times. Failure to do so VOIDS
WARRANTY!
Allowing the water heater to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat exchanger as needed
by the installation location could result in water heater failure, property damage, personal injury, or death. Such product failures ARE
NOT covered under warranty.
The water heater requires minimal periodic maintenance under normal conditions. However, in unusually dirty or dusty conditions,
periodic vacuuming of the cover to maintain visibility of the display and indicators is recommended.
Periodic maintenance should be performed once a year by a qualified service technician to assure that all the equipment is operating
safely and efficiently. The owner should make necessary arrangements with a qualified heating contractor for periodic maintenance of
the heater. Installer must also inform the owner that the lack of proper care and maintenance of the heater may result in a hazardous
condition.
INSPECTION ACTIVITIES
DATE LAST COMPLETED
PIPING
1
st
YEAR
2
nd
YEAR
3
rd
YEAR
4
th
YEAR*
Near heater piping
Check heater and system piping for any sign of leakage; make sure
they are properly supported.
Vent
Check condition of all vent pipes and joints. Ensure the vent piping
terminations are free of obstructions and blockages.
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 heater 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.
Replace any gaskets that show signs of damage.
Spark Electrode
Clean. Set gap at ¼”.
Flame Probe
Clean. Check ionization in uA (d7 on status menu in Start-up
Procedures). 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 10” W.C. for Natural Gas, 8”
– 14” W.C for LP)
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 Start-up Procedures for
ranges). Record at high and low fire.
SAFETIES
ECO (Energy Cut Out)
Check continuity on Flue and Water ECO. Replace if corroded.
Upper/Lower Sensors
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 16 -
*Continue annual maintenance beyond the 4
th
year as required.
Содержание PH100-119
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