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16
Weekly/Monthly Maintenance (continued)
ATMOSPHERIC STEAM GENERATOR DESCALING PROCEDURE
(For DISSOLVE
®
Descaler Solution Part No. 106174)
1. This procedure will take approximately 1 hour and 30
minutes to complete. This entire procedure should be read
and fully understood, before beginning the actual
descaling operation.
2. Zero the timers or for manual only models set the selector
to OFF.
3. Open both doors to the cooking compartments.
4. Set the TIMED/MANUAL switches to TIMED.
5. Set the ON/OFF switch to the OFF position. (The Unit will
undergo a normal blowdown cycle, which Should take
approximately 3 minutes to complete).
6. When the unit has completed draining, turn the ON/OFF
switch to ON to refill the unit. Do not start the timer. Leave
the doors open.
NOTE: Be ready to pour in the descaling solution when the power is turned ON.
NOTE: DO NOT HEAT THE UNIT DURING DESCALING.
7. While the unit is filling with water, remove the descaling port plug(s) located at the top of the unit
(See Figure 6-1), and add 1 gallon of DISSOLVE
®
descaler solution (P/N 106174) to each port.
• While adding liquid to the unit through the Descaler inlets; pour it in slowly so as to avoid
overflow.
8. When the automatic fill has ended, add an additional 1-gallon of water to each port.
9. Replace the cap and let the unit stand for 1 hour.
10. At the end of 1 hour, set the ON/OFF switch to the OFF position to blowdown the steamer. After
the 3-minute drain cycle completes turn the unit back ON. After the filling has stopped, add 1½
gallons of water to each port, and then turn the unit OFF. This will drain any residue from the
water level control assembly.
11. After the steamer has completed draining, close the steamer door(s), set the ON/OFF Switch to
the ON position. The unit will fill with water.
12. Set the timers for 20 minutes, and turn them on (KEYPAD MODELS). The unit will come up to
normal operating temperature.
13. At the end of 20 minutes of cooking, turn off the alarm (if necessary) and set the ON/OFF Switch
to the OFF position. The unit will go through a 3-minute drain cycle.
14. This is the final blowdown. The steamer is now ready for normal operation.
15. When done cleaning, reset the descale indicator light timer to zero by pressing the “DESCALE
REQUIRED” light rocker switches, and resume normal operation.
Optional Weekly Cleaning Intervals
Follow same process as above, except add one quart of DISSOLVE
®
(Part No. 106174) instead of
one gallon to each generator.
Figure 6-1 Descaler inlets