5
Reduced voltage operation
In areas where voltage is below that specified above, modifications can be made to the pump unit to allow operation under the following
minimum voltage levels:
●
180V when using the 220-240V setting
●
90V when using the 100-120V setting
The modification requires the connector J18 on the
Control PCB
to be reversed. To locate the terminal, isolate the mains supply then remove
the pump cover.
State A
shows the standard voltage setting, whilst
State B
shows the reduced voltage setting. Any damage caused to the
pump in the process of carrying out this modification will not be covered by warranty.
Control PCB
State A
State B
Refer servicing to qualified personnel only.
Troubleshooting
Should the pump fail to operate, make the following checks to determine whether or not servicing is required.
●
Check that the power switch is on.
●
Check the mains supply is available at the pump.
●
Check the voltage selector switch is in the correct position.
●
Check the fuse in the mains socket.
●
Check that the pump is not stalled by incorrect fitting of tubing.
●
Check that the keypad lock is not switched on.
User interfacing
When powering up the pump the user will be taken into the main menu.
Use the
Step
key to move between menu options. Use the
Enter
key to confirm settings. Use the number keys to enter in settings. Use the
Ù
or
Ú
key to increase or decrease set values in the pump software i.e. ramp settings, date, rpm etc.
Manual
allows continuous transfer/fluid metering via keypad control.
Auto
enables analogue (process signal speed control) or RS232 control.
Calib
allows the pump to be calibrated for accurate dosing.
Set-up
displays and controls the user and factory settings for the correct operation of the pump.
The speed/volume flow rate of the drive is governed by the pumphead and tubing selected. Factory default is for a 501RL using 8.0mm bore
tubing which means the max rpm/volume flow rate of the pump is 220 rpm/2200ml/min.
Manual operation
●
Switch power on (drive rear panel).
●
Change the set speed by pressing the
Ù
or
Ú
key. The 504Du speed control ratio is 220:1. This will give a minimum speed of 1rpm for
the 220rpm drive and 0.5 rpm for the 55rpm drive.
●
Change direction by pressing the
CW/CCW
key. Check the flashing
CW/CCW
symbol for actual direction setting. (
CW:
clockwise
CCW
: counterclockwise).
Summary of Contents for 504Du
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