82 Agilent 8453 Dissolution Testing System Installing and Operating Manual
3 Using the Peristaltic Pumps 1VS and 8VS
Servicing Your Pump
Power Supply
The line voltage connects to the line filter, which contains a line fuse. The line
voltage feeds through the line switch into the power supply which contains a
transformer, rectifier and regulation circuits. A linear voltage regulator
controls the + 12 V DC line.
Access to the line fuse in the line filter is from the rear of the instrument.
T500 mA (part number 2110-0458) for 230 V AC operation.
T1 A (part number 2110-0457) for 115 V AC operation.
Checking Remote Operation
There are three different parts to check the remote operation of the pump:
• Remote cable
• Remote cable connector on pump
• Wiring of remote cable
Remote Cable
To check the switching capability of the remote plug:
1 Remove the peristaltic pump remote cable from the remote connector on
the rear of the pump.
2 Allow the pump to operate:
a Turn on the pump.
b Select a direction for pumping by pressing the switch.
c Set the flow control switch to a value greater than zero.
3 Reconnect the peristaltic pump remote cable, the operation of the pump
stops.
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