IMPORTANT: The maintenance door should remain closed and latched except when changing the
ChemLogic
®
tape.
2.1.4 Keypad & Display
The CL1/CL2 uses a two-color LCD display with a 20-button keypad including 4 programmable “soft keys”.
See chapter 5 for a complete description on the use of the keypad and display.
2.1.5 ChemLogic
®
Tape and Take-up Reel
ChemLogic
®
paper tapes are accessed by opening the maintenance door. Refer to chapter 6 regarding tape
installation/replacement.
2.1.6 Gas Inlet & Exhaust
The gas being monitored flows through the inlet on the bottom of the unit, across the paper tape and out the
exhaust port on the side of the CL1/CL2. Sample tubing and exhaust use a quick connection system for
simple installation. See section 3.3 for information on connecting the sample and exhaust tubing.
IMPORTANT: End of line filters are required. See section 6.4.
2.1.7 A/C Power & Switch
A/C power is connected on the left side panel with a standard power cord. The on/off power switch is located
adjacent to the power cord connection.
2.1.8 14-Pin I/O Connector
The connector on the side of the unit connects to alarm relays, fault relays, 4-20ma output, and the remote
reset input.
2.2 Maintenance Area
The maintenance area allows easy access for changing ChemLogic tape in the CL1/CL2. Figure 2.2 shows
the internal layout with the access panel open. See section 6.3 for tape installation.
Figure 2.2
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