Full Product Manual
Rinnai I-Series Condensing Combi Boiler User’s Informaon Manual 27
• Maintenance is required to maintain safe operaon of the boiler.
• The boiler must be inspected annually by a licensed professional. Repairs and maintenance
shall be performed by a licensed professional. The licensed professional must verify proper
operaon aer servicing.
• Keep the boiler area clear and free from combusble materials, gasoline, and other
ammable vapors and liquids.
• To protect yourself from harm, before performing maintenance:
− Turn o the electrical power supply by unplugging the power cord or by turning o the
electricity at the circuit breaker. (The boiler controller does not control the electrical
power.)
− Turn o the gas at the manual gas control valve, usually located immediately below the
boiler.
− Turn o the incoming water supply. This can be done at the isolaon valve immediately
below the boiler or by turning o the water supply to the building.
• If you encounter a problem that is dicult to solve, stop the operaon and immediately
contact a licensed professional.
5
5
MONTHLY
Boiler Area
Verify the area is free of combusble materials, gasoline and other ammable vapors and liquids.
Verify the area is clean from dust and obstrucons.
Verify the air intake area is free of any contaminants listed in the “Rinnai I-Series Condensing
Boiler Installaon and Operaon Manual.” Any contaminants in the boiler intake air vicinity must
be removed. If they cannot be removed, contact a licensed professional.
Piping
Inspect all water, gas, and condensaon piping for leaks. Look for signs of leaking lines or
corrosion.
Conrm the condensaon line is not blocked. If a condensaon drain pump is used, conrm the
condensaon drain pump operates correctly.
Venng
Verify the boiler vent discharge and air intake is clean and free of obstrucons.
Check for leakage, damage, or deformaon of venng.
Boiler
Verify the boiler is free from any abnormal situaons, such as diagnosc error codes, loud noises,
leakage or other potenal issues.
Check that the pressure on the controller display or external pressure gauge indicates 17 to 26 PSI
(117 to 180 kPa).
WARNING