Hach 9523sc, User Manual

Page: 10 / 252

2.5 Customer-supplied parts
Before installation, collect the components that follow. Refer to Figure 4 .
Figure 4 Customer-supplied parts
1 Sample plumbing parts 6 Tubing, ¼-inch OD
3
2 Shutoff valve 7 Electrical parts
3 Tubing, ¼-inch OD 8 110/120 VAC: Wire conductors, 3.31 mm
2
(12 AWG)
4 Cooling water plumbing parts
3
9 220/240 VAC: Wire conductors, 2.08 mm
2
(14 AWG)
5 Shutoff valves (2x)
3
10 Conduit fitting for main power
Section 3 Installation
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks described in this
section of the document.
3.1 Installation guidelines
Install the instrument:
• In a clean, dry, well-ventilated and temperature-controlled location. Refer to the operating
temperature and humidity specifications in Specifications on page 3.
• In a location with no mechanical vibrations and electronic noise.
• As close to the sample source as possible to decrease analysis delay.
• Near an open drain.
• Away from direct sunlight and heat sources.
• So that the power switch is visible and easily accessible.
• In a location where there is sufficient clearance around it to make plumbing and electrical
connections. Refer to Figure 5 on page 12.
3
Not applicable to instruments with the regenerative cooling option.
10 English