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LP- 293 REV. 9.2.14
4. Spray the coils with clear water, making sure to confine the spray to the area being cleaned (Try to avoid getting the back ceramic
wall of the appliance wet). Flush the combustion chamber with fresh water until it runs clear from the condensate. At this point, the
boiler should be ready to be re-assembled.
a. Inspect gaskets.
b. Re-install the burner assembly
c. Replace and tighten the (6) 10MM nuts to the burner plate using staggered tightening sequence. (See detail)
d. Re-connect all wiring connections
e. Inspect the gas valve to assure the O-ring is in place.
f. Replace the (4) screws on the aluminum connector on the gas valve. Turn the gas back on. (IMPORTANT: CHECK FOR
GAS LEAKS!)
g. Re-secure the control door.
h. Replace the boiler front panel by aligning the four panel pins with the four jacket holes. Push firmly until the panel is secure.
i. Turn the Boiler power back on and create a demand on the boiler. When boiler is lit, observe condensate flow from the
boiler. Be sure the boiler is operating properly.
j. Re-connect the condensate piping to the outside condensate connection.
Do not use solvents to clean any of the burner components. The components could be damaged, resulting in unreliable or unsafe
operation. Failure to do so could result in death or serious injury.
C. CLEANING WATER SIDE OF HEAT EXCHANGER
1. Make sure power is turned off to the boiler. Run water through the hot water system to assure it is below room temperature.
2. Close isolation valves on the return and supply connections to the boilers as shown in the piping diagrams within this manual. Slowly
open the ball valves and release pressure into a bucket. Once pressure is released, connect a hose to the water line to flush the boiler.
Scale removing solution may be used, but must be approved for use with stainless steel and FDA approved for use in a potable water
system.
3. Thoroughly flush the heat exchanger before commissioning the unit back in service.
D. MAINTAINING THE CONDENSATE SYSTEM
The condensate trap assembly MUST BE PROPERLY INSTALLED according to these instructions when operating the boiler.
Operating the boiler without the condensate trap assembly will cause flue gases to leak and result in serious personal injury or death.
When servicing is complete, make sure the condensate collector cap is replaced securely. Failure to do so will cause venting issues
that will result in serious injury or death.
1. Ensure the boiler is powered off and has had time to cool.
2. Remove the hose clamp attaching the condensate trap to the condensate hose from the heat exchanger. Remove the clear plastic
hose from the hose barb. Remove the condensate hose clamp to detach the condensate trap from the drain tube. Remove the
condensate trap from the boiler.
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