Blodgett SB-10SC Installation Operation & Maintenance page 15

5.0 CLEANING INSTRUCTIONS (Continued)
DESCALING BOILER
CAUTION: Improper use of this procedure may damage your
appliance!
1. With Generator tank 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 blowdown valve.
2. For appliance on 24" Cabinet, remove union fitting at connection to base of water
level control and generator tank.
For appliance on 36", 48" etc. cabinet, remove 3/4" pipe cap from fitting located at
top front of generator tank.
3. Insert appropriate hose or tube through opening in generator tank and pour in (½)
half U.S. gallon of CLR Descaling Solution.
4. Replace 3/4" pipe cap OR union fitting.
5. Open water supply to appliance allowing water to fill Generator tank to required level.
On appliances with Manual Blowdown, turn ON power switch, Boiler will fill to the
required level.
6. Let appliance cycle, allow two hours for descaling and cleaning. DO NOT TURN
STEAM ON.
7. Open both the blowdown and water level control valves for complete drainage and
then close both valves.
On appliances equipped with Automatic Blowdown, turn OFF power switch and open
water level control valve, this will allow complete drainage. Once drained, close
water level control valve.
8. Turn appliance switch ON. When generator tank is completely filled, turn power
switch OFF, this will rinse and drain Generator Tank. Appliances 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.
15