AERCO BMK 2.0 LN Nat. Gas June 2010 - Manual (Page 62)

MAINTENANCE
7-6
4. Remove the float from the condensate trap.
5. Remove the orifice gasket from the trap.
6. Thoroughly clean the trap and gasket. Also
inspect the drain piping for blockage. If the
trap cannot be thoroughly cleaned, replace
the trap.
7. After the above items have been inspected
and thoroughly cleaned, replace the orifice
gasket and float in the condensate trap and
replace the trap cover.
8. Reassemble all piping and hose connections
to the condensate trap inlet and outlet.
Reconnect trap to exhaust manifold drain.
7.8 SHUTTING THE BOILER DOWN FOR
AN EXTENDED PERIOD OF TIME
If the boiler is to be taken out of service for an
extended period of time (one year or more), the
following instructions must be followed.
1. Set ON/OFF switch on the front panel to the
OFF position to shut down the boiler’s
operating controls.
2. Disconnect AC power from the unit.
3. Close the water supply and return valves to
isolate boiler.
4. Close external gas supply valve.
5. Open relief valve to vent water pressure.
7.9 PLACING THE BOILER BACK IN
SERVICE AFTER A PROLONGED
SHUTDOWN
After a prolonged shutdown (one year or more),
the following procedures must be followed:
1. Review installation requirements included in
Chapter 2.
2. Inspect all piping connections to the unit.
3. Inspect exhaust vent, air duct (if applicable).
4. Perform initial startup per Chapter 4.
5. Perform safety device testing and scheduled
maintenance per Chapters 6 and 7.