Setra System Model 231RS - Manual (Page 11)

11
3.3 Remote Sensors Installation
Conduit Version (P/N: 231GRSX3MX)
For conduit version remote sensors, use the following instructions:
1. Install the remote sensors into the system plumbing (use 3/4” hex to tighten”)
Important:
Each remote sensor is labeled “HIGH PRESSURE SENSOR” or “LOW PRESSURE SENSOR”, respectively. Match up
the high pressure sensor to the high “HI (+)” pressure electrical terminals, and the low “LO (-)” pressure
sensor to the low pressure electrical terminals. Otherwise, the performance may not meet the product
linearity specifications.
2. Install a 1/2” conduit fitting into the remote sensor top cover and fasten the retaining nut.
3. Feed wires from a flexible conduit through the remote sensor top, cover fasten the wires to terminals.
4. Screw on the top cover.
5. Fit conduit into conduit fitting, and tighten conduit watertight strain relief.
To connect the wires from the remote sensor to the unit, remove the terminal blocks from the circuit board and use
the following chart:
Installation of the Model 231RS is now complete.
Chart 1. Electrical wiring chart for High &
Low Pressure Sensors (Conduit version)
CAUTION:
Reverse excitation will permanently
damage unit. Please follow wiring
instructions carefully. Figure 6
Dimensional Drawing