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ADJUSTMENTS
DESCALING BOILER
It is recommended that the boiler be checked every 90 to 120 days for scale build up.
Regular maintenance should be carried out at this time.
1. With boiler empty, close manual blowdown valve. If appliance is equipped with
Automatic Blowdown, turn water supply OFF to appliance. Turn power switch ON.
This will energize and close the Blowdown valve.
2. Remove 3/4" pipe plug from fitting on left front of boiler.
3. Insert appropriate hose or tube through fitting and pour in (½) half gallon (U.S.) of
CLR Descaling Solution or use the Optional Deliming Assembly DPA-1 available
from your dealer.
4. Replace 3/4" pipe plug securely.
5. Open water supply to appliance allowing water to fill boiler to required level.
6. Let appliance cycle. Allow two hours for descaling and cleaning. DO NOT TURN
ON STEAM to the compartments.
7. Open both the blowdown and low water level control valves for complete drainage
and then close both valves.
8. Turn appliance switch ON. When boiler is completely filled turn power switch OFF.
This will rinse and drain boiler. Appliance with manual Blowdown valve must be
opened to drain.
9. Complete Step 8 twice to assure boiler is completely rinsed.
10. Appliance is now ready for use.
At least twice a year have an authorized service person clean and adjust the unit for
maximum performance.