8
Installation
8.2
Electrical Installation
The following must be considered when
installing the electrical system:
•
Cables must be marked at both ends
according to the illustration.
•
Screened cables must be used for input
signals from the temperature sensor, flow
switch, and high temperature switch.
•
Power cables and fuses must be
dimensioned for the installation capacity.
G025211A
•
The screened cables must be kept well
away from the power cables. The minimum
specified distance is 300 mm.
•
Screens must be earthed as close as
possible to the earth bar.
•
Cables to the external alarm panel and for
series computer communication must be
installed according to the manufacturer’s
recommendations.
G003141A
28
Summary of Contents for Heatpac EHS-71
Page 4: ......
Page 6: ... ...
Page 8: ...1 Warning signs in text ...
Page 10: ...2 Scope ...
Page 18: ...4 Heatpac Working Principle ...
Page 22: ...6 Alarms and Fault Finding ...
Page 23: ...7 Diagrams 7 1 Electrical System Layout G1119311 Alfa Laval ref 9020040 rev 0 23 ...
Page 24: ...7 Diagrams 7 2 Cable List G1119411 Alfa Laval ref 9020041 rev 0 24 ...
Page 25: ...7 Diagrams 7 3 Interconnection Diagram G1119511 Alfa Laval ref 1766846 rev 0 25 ...
Page 26: ...7 Diagrams 7 4 Installation Diagram G1119611 Alfa Laval ref 9016653 rev 0 26 ...