Plumb The Instrument; Electrical Installation - Hach 1735 TRO Manual De Usuario

• Make sure that there is enough clearance to plumb and wire the instrument. Refer to
Figure 3 Dimensions for wall mount
1 Drain line

Plumb the instrument

The drain tubing outside the instrument must be at atmospheric pressure at all times.
The instrument is shipped with the internal plumbing installed. Connect the sample and drain tubes.
Refer to Figure 3 on page 8.
• Connect the sample line to the ¼-in. FNPT connector.
• Connect the drain line to the

Electrical installation

Electrical connections for non-hazardous installations
Explosion hazard. This manual is only for installation of the non-ATEX certified unit in a non-hazardous
location. For safe installation of the ATEX certified version in a hazardous location, use only the
instructions and approved control drawing in the provided hazardous location installation manual.
To maintain the enclosure rating of the instrument, unused cable glands must be plugged. Use 9 mm plugs for
small glands and 15 mm plugs for the large glands.
Figure 4 shows the electrical connections required for a non-hazardous location installation.
8 English
2 Sample line in
N O T I C E
3
/ -in. FNPT connector.
8
D A N G E R
N O T I C E
Figure
3 Case drain
3.