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PART 10 MAINTENANCE
It is important that all gas appliances to be serviced by a Camus trained service technician. It is in your own interest and that of safety
to ensure that all local codes, and all the “NOTES” and “WARNINGS” in this manual are complied with. To service or adjust this
appliance, it is imperative that the Camus trained service technician utilizes a combustion analyzer to read CO
2,
CO and flue pressure
according to Camus Hydronics recommendation.
Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation, verify proper
operation after servicing.
Listed below are items that must be checked to ensure safe reliable operations. Verify proper operation after servicing.
10.1 EXAMINE THE VENTING SYSTEM
Examine the venting system at least once a year. Check more often in the first year to determine inspection interval. Check all joints and
pipe connections for tightness, corrosion or deterioration. Flush the condensate drain hose with water to clean. Clean screens in the
venting air intake system as required. Have the entire system, including the venting system, periodically inspected by a qualified service
agency.
10.2 VISUALLY CHECK MAIN BURNER FLAMES
Visually check the burner flame at each start up after long shutdown periods or at least every six months. A burner view port is located
on the burner mounting flange.
The area around the burner view port is hot. Avoid direct contact to this area.
Figure 131: Normal Burner Flame Profile (short dense and blue at full fire, infrared at low fire)
• Normal Flame: A normal flame at 100% of burner input is blue, with slight yellow tips and a well-defined flame, no flame lifting.
• Yellow Tip: Yellow tipping can be caused by blockage or partial obstruction of air flow to the burner.
• Yellow Flames: Yellow flames can be caused by blockage of primary air flow to the burner or excessive gas input. This condition
MUST be corrected immediately.
• Lifting Flames: Lifting flames can be caused by over firing the burner, excessive primary air or high draft in excess of negative
0.15” w.c.
If improper flame is observed, examine the venting system; ensure proper gas supply and adequate supply of combustion and ventilation
air. Periodic visual check of pilot and burner flame is recommended to ensure trouble-free operation.
10.3 FLUE GAS PASSAGEWAYS CLEANING PROCEDURES
Any sign of soot around the flue pipe connections, burner or in the combustion chamber indicates a need for cleaning. The cleaning
procedure must only be performed by a Camus trained service technician. Proper service is required to maintain safe operation. Properly
installed and adjusted units seldom need flue cleaning.
All gaskets/sealant on disassembled components or jacket panels must be replaced with new gaskets/sealant on re-assembly. Gasket
and sealant kits are available from the factory.
When the vent system is disconnected for any reason it must be reassembled and resealed according to vent manufacturer’s instruction.
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