MAINTENANCE

d.Disconnect the white, red, blue, and black connection from the Molex on the combustion blower. (Refer to Control Wiring Schematic, Figure 6.3.) This will cause the fan to run at 100% which will then blow out any sediment that has accumulated in the condensate line. (This process should only take a few minutes.)

e.The unit should now be ready to restart.

2.Before restarting the Pinnacle follow the steps below:

a.Reconnect the Molex connection and unblock the vent. (IMPORTANT: MAKE

SURE EXHAUST VENT IS NO LONGER BLOCKED!)

b.Open the manual gas shutoff valve and reset the thermostats.

c.Observe the boiler function to make sure you see a condensate flow.

d.If you do not observe a condensate flow, repeat the above procedure.

3.If the problem is not corrected at this point, it is possible that there is a material deposit problem. Follow the Coil Cleaning instructions (Section b) included in this section to dissolve deposits and clean condensate line.

DANGER

It is extremely important to make sure the exhaust vent is not longer blocked. Failure to do so may result in personal injury or death.

b.COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS

Before beginning this procedure, you must have on hand the following items:

–a nylon or brass brush (not steel)

–"Rydlyme" (recommended for best results) (available online www.rydlyme.com) or "CLR" (available at most hardware stores)

1.Shut the Pinnacle down by using the following steps:

a.Close the manual gas shutoff valve, shut down the unit and wait for the unit to be cool to the touch.

b.Disconnect the condensate piping from the outside connections (not from the Pinnacle side) so the flow can be observed.

c.Remove the (4) screws on the 1/2" NPT connector on the gas valve.

d.Remove the (6) 10mm nuts from the burner plate assembly to access the coils.

e.Pull the entire burner plate assembly towards you, while removing or pushing aside any wiring to allow the removal of the assembly.

2.Using a spray bottle filled with the recommended product "Rydlyme" or "CLR", spray liberally on the coils, making sure the solution penetrates and funnels down through the condensate hose. If the condensate hose is blocked, let the chemical penetrate for at least 15 minutes or until it drains.

3.Use the nylon or brass brush (do not use steel) and scrub coils to remove any buildup, then vacuum the derbis from the coils.

4.Spray the coils with clear water, making sure to confine the spray to the area being cleaned (try to avoid betting the back ceramic wall of the unit wet). Flush the combustion chamber with fresh water. At this point, the Pinnacle should be ready to power back up.

5.Before powering up the Pinnacle follow the steps below:

a.Reinstall the burner assembly.

b.Replace the (6) 10mm nuts to the burner plate.

c.Reconnect the wiring.

d.Replace the (4) screws on the 1/2" NPT connector on the gas valve. Turn the gas back on. (IMPORTANT: CHECK FOR

GAS LEAKS)

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PB Heat Gas Boiler manual GAS Leaks
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Gas Boiler specifications

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