Chapter 2 - Site Preparation
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06/25/2019
Chemical Equipment
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Table 2-3:
Electrical Requirements
CONDITION
RANGE
AC Power
100 - 240 VAC, 100 W @ 50 - 60 Hz; Single-Phase, 3 wires;
Neutral solidly grounded
125 VAC, 1000 W @ 50 - 60 Hz; Single-Phase, 3 wires;
Neutral solidly grounded, with Degasser Vacuum Pump option
2.2.3
Process Tool Interface and Life Safety Interconnect
The external interface cable hookup between ChemGuard® CG050 product line and OEM
Tool or Site Area Monitor System is customer responsibility. It is recommended to use multi-
conductors shield cable with twisted pairs, 22-20 AWG, 7x30 stranded, rated 300-600V RMS,
minimum 7-10 pairs (14-20 conductors) per interface.
Table 2-4:
Digital I/O
DIGITAL INPUTS
DIGITAL OUTPUTS
Input current, On
4.07 mA min.5.3 mA
max.
Resistive
Load
1.0 A @ 30 VDC,
0.5 A @ 120 VDC
Input voltage, On
24.0 VDC
±
20%
Switching
Power
30 W max.
Input current, Off
100 µA max.
Contact
material
Silver alloy, gold-
etched clad
Input voltage, Off
1.0 VDC max.
Protection
36V Zener
2.2.4
Supply Gases
The customer is required to supply all gases, filters, check-valves, and regulators. Ensure
that the required gases are available in close proximity to the ChemGuard® CG050
installation site. (see Chapter 3 for further details).
Ensure there are shutoff valves and filters for gas lines feeding the ChemGuard® CG050.
Ensure the correct gases are used for the process chemical and the properties of the gas are
correct for the process chemical (i.e. dry N2). (See Table 2-5).
To reduce the potential of flow fluctuations, the end-user must properly design the facilities
for the ChemGuard® CG050, i.e. incoming gas supplies and chemical delivery line layouts
with adequate line size, vertical rise, horizontal length between the ChemGuard® CG050 and
the process tool(s).
