Biral L 322 [18/56] Contents

Contents

1. Safety information Page 19

1.1 General remarks 19

1.2 Identification of notices 19

1.3 Staff qualification and training 19

1.4 Risk in the event of non-compliance

with the safety information 19

1.5 Safety-conscious work 20

1.6 Safety information for the operator/operating personnel 20

1.7 Safety information for installation,

maintenance and inspection works 20

1.8 Unauthorised reconstruction and production of spares 20

1.9 Improper operating methods 20

2. Transport/Storage 21

3. Intended application 21

3.1 Operating temperature/Operating pressure 21

4. Assembly 21

4.1 Flushing the heating system out 21

4.2 Antifreezers 21

4.3 Position of the terminal box 21

4.4 Installation 22

4.5 Minimum pressure 22

5. Electrical connection 23

5.1 Plug Type A (3× 400 V~) 23

5.2 Power setting 24

6. Commissioning/Operating check 24

6.1 General remarks 24

6.2 Direction of rotation 24

6.3 Deaerating 25

6.4 Deblocking 25

7. Maintenance, Service 26

8. Summary of faults 26

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