Alfa Laval S 921 - Page 4

7 Fault Finding 171
7.1 Mechanical Functions 171
7.1.1 Separator vibration 171
7.1.2 Smell 172
7.1.3 Noise 172
7.1.4 Speed too low 172
7.1.5 Speed too high 172
7.1.6 Starting power too high 173
7.1.7 Starting power too low 173
7.1.8 Starting time too long 173
7.2 Separating functions 174
7.2.1 Bowl opens accidentally during operation 174
7.2.2 Bowl fails to open for sludge discharge 174
7.2.3 Unsatisfactory separation result 174
7.2.4 Bowl fails to close 175
8 Technical Reference 177
8.1 Product description 177
8.1.1 Directives and standards 178
8.2 Technical data 179
8.3 Connectio n list 180
8.4 Interface Description 182
8.4.1 Scope 182
8.4.2 References 182
8.4.3 Definitions 182
8.4.4 Goal 183
8.4.5 Description of separator modes 183
8.4.6 Remote start 185
8.4.7 Handling of connection interfa
ces
185
8.5 Demand specification water 191
8.6 Drawings 192
8.6.1 Basic size drawing 192
8.6.2 Foundation drawing 193
8.6.3 Interconnection diagram 194
8.6.4 Electric motor 195
9 Installation 197
9.1 Introduction 197
9.2 Upon arrival at the storage area 198
9.2.1 Transport 198
9.2.2 Protection and storage of goods 199
9.3 Plann
ing of Installation
200
9.3.1 Important measurements 200
9.3.2 Maintenance service 201
9.3.3 Connections to surrounding equipment 202
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