Land 4500 MKII Premier, Operation And Maintenance Manual

Page: 23 / 139

Model 4500 Premier Dust and Opacity Monitor
23
A3-10 Electrical Connections
All switch cabinets, distribution boxes, fuses and other components for electrical installation must be provided
by the customer, as must the mains power supply connections. Installation should be carried out by a
competent person and cables should satisfy current carrying capacity and voltage rating.
Mains Supply
The following mains power supply connections must be made for:
Termination Box
Air Blower Unit(s)
Control Room Unit (see CRU Instruction Manual 770.043)
Additional equipment (i.e. chart recorder etc.)
Signal Connections
The following signal cables must be connected via the Termination Box:
Umbilical cable to transceiver
Air Blower pressure switch interconnections
Control Room Unit
Customer Alarms
Current Loop Maintenance Switch
Optional Connections
The following cable connections must be made where required by the application
Status relay connections
Serial data communications
Air Blower Unit Motor Connections
Refer to the Instruction Manual supplied with the Air Blower Unit.