Figure 7 Plumbing connections
1 Drain 5 Sample drain
2 Air gap 6 Enclosure drain (must remain open)
3 Tubing, 0.50 in. I.D. (customer-supplied) 7 Installation kit (5742000)
4 Inlet 8 Sample in
3.5 Air purge option
If the environment contains high humidity and/or caustic vapors, an air purge might be necessary.
This process maintains a positive pressure in the instrument with dry air. To connect an air supply:
1. Remove the plug in the quick connect fitting, refer to Figure 1 on page 7.
2. Install the ¼-in. tubing and push until two distinct stops are felt.
3.6 Electrical connections for conduit
D A N G E R
Electrocution hazard. Use only fittings that have the specified environmental enclosure rating. Obey the
requirements in the Specifications section.
12 English
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