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4.2 Operation Principles
In order to start the dryer, the following conditions must be satisfied.
1.
All the temperatures except the exchanger temperature and condenser outlet temperature must
be between their low and high limits. The low pressure line temperature can be ‘HIGH’.
2.
Digital Input 3 (Compressor Fault) is not activated.
3.
Digital Input 4 (Compressor Overload) is not activated.
4.
Digital Input 5 (Fan Fault) is not activated.
5.
Digital Input 6 (Fan Overload) is not activated.
6.
Digital Input 7 (Phase Sequence Error) is not activated.
7.
Digital Input 8 (Remote Disable) is not activated.
8.
Digital Input 11 (High Pressure) is not activated.
9.
Digital Input 12 (Low Pressure) is not activated.
If all the above conditions are satisfied, the dryer can be started.
