Decalcification - Blodgett COMBI COS-20G Installation And Operation Manual

Maintenance

Decalcification

WARNING!!
Protective clothing and eyewear should
be worn while using cleaning agents.
1. Turn the Mode Selection Switch (1) to the
STEAM mode. Wait until steam is produced.
This will ensure that the water in the steam
generator is hot.
2. Turn the Mode Selection Switch (1) to the
COOL DOWN mode and leave the door open.
Let the oven compartment cool to 66_C. This
ensures that the Drain/Flush switch will func-
tion in STEP 8.
3. Turn the Mode Selection Switch (1) to OFF.
4. In a suitable size container, mix together the
deliming solution and hot tap water. Refer to
the following chart for the proper mixture:
Deliming
Model Solution
COS20G
NOTE: These volumes are approximate. You
may need slightly more or less hot wa-
ter depending on your site.
5. Remove the Deliming Port Cap. Attach the
supplied Funnel and Hose Assembly (3) to the
deliming inlet.
6. Open the Deliming Port Valve (2) and pour in
the deliming mixture. Stop pouring when the
funnel stops draining. This is the correct
amount for your site.
Hot Tap
Water
776 ml 10.4 liters
7. Shut the Deliming Port Valve (2). Screw on the
Deliming Port Cap. Let the mixture stand for 20
minutes. In areas of the country with hard wa-
ter, allow the mixture to stand for 1 hour.
8. Depress and hold the Drain/Flush Switch (4)
in the FLUSH position for 90 seconds. This
completes the deliming procedure.
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2
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open
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Figure 10