Troubleshooting - Blodgett KTT-E Series Installation & Operation Manual

5.0 TROUBLESHOOTING

5.1 GENERAL MAINTENANCE
No general maintenance is required other than adhering to the Cleaning Procedure Instructions.
5.2 LOW WATER LEVEL
Proper water level must be maintained within the jacket for the kettle to operate. Depletion of
water may occur from excessive opening of, or leakage through the safety relief valve.
If water is below required operating level, either initially at start-up or during use, the kettle will
automatically shut off, and the LOW WATER signal light will come on.
In order for the kettle to operate, the following procedure must be followed:
1. Trip the safety relief valve lever to relieve all pressure from the kettle jacket.
2. At exterior rear of kettle jacket remove nut from Air Vent.
3. Insert funnel into Air Vent opening and slowly add the indicated amount of distilled water for:
KTT-6E
KTT-10E and KTT-12E
4. Replace Air Vent nut.
5. Follow Air Venting Instructions below.
6. Continue normal Operating Procedure of kettle.
5.3 VENTING INSTRUCTION
Check pressure gauge when kettle is cold. Gauge should be in the green vacuum zone. If not,
air is present which must be vented (removed) for proper heating. Use the following procedures
to vent air.
1. With an empty kettle, place power switch to the ON position.
2. Set the temperature control thermostat to maximum. Heat kettle until heat indicator light
goes off.
3. Using a 7/16" wrench, open bleed vent one full turn for 10 seconds and then close.
4. Cool kettle. Check for proper vacuum in the green vacuum zone. If reading is not low
enough, repeat entire procedure.
Add 50 oz. (1.5 litres)
Add 100 oz. (3 litres)
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