Figure 16 Extra channel option
1 First sample input 4 Second sample valve 7 Tubing to link the two channels
2 First sample valve (already mounted
on the analyzer)
5 Second sample input 8 Electric cable for second sample
valve
3 T-bar connection for both sample
outlets
6 Compressed air inlet connector 9 Electric cable for first sample valve
Install the option as follows (the numbers in brackets refer to Figure 16):
1. Remove the existing sample valve (2) by unscrewing the 2 screws on the front panel.
2. Disconnect the 10 x 12 PE tubing from the valve and remove the output connector.
3. Mount the second sample valve (4) on the existing valve using the T-bar connector
(3). Check the assembly is watertight.
4. Make the pneumatic link between the two valves using the 4 x 6 PE tubing (7).
5. Install the assembly on the rear of the panel using the 4 screws.
6. Connect the 10 x 12 PE tubing to the output connection of the two valves (3).
7. Connect the new cable (8) to terminals 2 and 3 of J14 in the electronic unit (refer also
to Figure 8 on page 18 and Table 6 on page 20).
Reconnect power to the analyzer and proceed as follows:
1. From the PROGRAMMING menu, select PM XXXX and enter the special code.
2. Select the OPTION menu.
3. Select the 2 CHANNELS option and select YES to turn this option on.
8.8 Reagent pumps
There are three types of reagent pumps which can be used:
• Peristaltic
• Micro piston
• Pulse
The installation of these pumps are described in the following sections.
Each kit includes a pump and a 10 liter canister equipped with a level detector and
strainer. To install the canister, refer to Canister kit on page 48.
Additional options
45
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