Biral MX 12-4 [15/56] Contents

Contents

1. Safety information Page 16

1.1 General remarks 16

1.2 Identification of notices 16

1.3 Staff qualification and training 16

1.4 Risk in the event of non-compliance

with the safety information 16

1.5 Safety-conscious work 17

1.6 Safety information for the operator/operating personnel 17

1.7 Safety information for installation,

maintenance and inspection works 17

1.8 Unauthorised reconstruction and production of spares 17

1.9 Improper operating methods 17

2. Transport/Storage 17

3. Intended application 18

3.1 Operating temperature/Operating pressure 18

4. Assembly 18

4.1 Flushing the heating system out 18

4.2 Antifreezers 18

4.3 Installation 18

4.4 Position of the terminal box 19

4.5 Minimum pressure 19

4.6

Return valve 19

5. Electrical connection 20

5.1

Supply voltage 20

5.2 Connecting terminals 20

5.3 Power setting 21

6. Commissioning/Operating check 22

6.1 General remarks 22

6.2 Deaerating 22

6.3 Operating check 22

6.5 Deblocking 22

7. Maintenance, Service 23

8. Summary of faults 23

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