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System Components
System Components
F
. 1 illustrates a typical North American system instal-
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lation, showing the major system components. Also see
the wiring schematic in F
Hazardous Area
Do not install equipment approved only for non-haz-
ardous locations in a hazardous area.
See F
. 1. The following system components are
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approved for use in a hazardous area:
•
E-Flo Plus Electric Circulation Pump
•
Sensor Control Circuit (option). See intrinsic safety
installation requirements below.
Sensor Circuit Wetted Parts
Pressure transducer: 17-4 PH stainless steel
•
Explosion-Proof Electric Motor
•
Local Control Box (accessory)
•
Pneumatic Back Pressure Regulator (accessory)
All other components shown in F
in a non-hazardous area.
6
. 2 and F
. 3.
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IG
. 1 must be installed
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Non-Hazardous Area
See F
. 1. Install the following components in a
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non-hazardous area:
•
System Power Disconnect Switch
•
Electrical Noise Filter (accessory)
•
Variable Frequency Drive (accessory)
•
Power Module (accessory)
•
3-Way Pneumatic Solenoid Valve (accessory)
311592B
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