2 manual operation – Metrohm 753 Suppressor Module User Manual
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3 Operation
753 Suppressor Module / 8.753.1003 Instructions for Use
20
3.2
Manual operation
The 753 Suppressor Module cannot be manually operated unless the
installation has been carried out properly as described in section 2
(mains connection, attaching the pump tubing, connection to the IC
system).
Switch instrument on/off
POWER
The 753 Suppressor Module is switched on and off using mains
switch 13
13 on the rear of the instrument (see Fig. 2):
I
Instrument switched on
0
Instrument switched off
After the instrument has been switched on the power lamp 11
lights up to show that the instrument is ready for use.
Switch off remote control of the pump
ON
OFF
REMOTE
In order to allow manual operation the remote control of the pump
must be switched off with switch 22.
ON
Remote control switched on
OFF
Remote control switched off
Switch pump on/off
ON
OFF
PUMP
The drive of the pump is switched on and off with the switch 33
ON
Pump switched on
OFF
Pump switched off
Switch off remote control of the suppressor
ON
OFF
REMOTE
In order to allow manual operation the remote control of the pump
must be switched off with switch 66.
ON
Remote control switched on
OFF
Remote control switched off
Rotate suppressor
STEP
SUPPRESSOR
The suppressor is switched to the next position by means of
switch 88
The position display 77 beside the switch shows whether the
suppressor is in the correct position:
Lamp on
Suppressor in the right position
Lamp off
Suppressor in the wrong position or blocked
(procedure see section 4.1)