Thermo Electron Polysonics SX40, User Manual

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Installation & Wiring
Wiring
Thermo Electron Corporation Polysonics SX40 User Guide 2-5
Warning
Prevent possible electrical shock and/or damage to the meter:
Disconnect power to the meter PRIOR TO wiring. ▲
Caution Connecting AC power to a DC power meter may damage the
meter. ▲
Note CE certifications require that a switch or circuit breaker be installed
in close proximity to the instrument and be labeled as the instrument
disconnect.
▲
Refer to the following instructions and Figure 2–7 when wiring the
instrument for AC power.
1. Remove the meter access cover.
2. Locate the AC input voltage selector, and turn the switch to 110 or 220
V to match the power line voltage.
3. Locate the L1, L2/N, and GND connections within power input block.
4. Turn the terminal screws on top of the input block counterclockwise to
fully open the wire connections.
5. Make the following connections:
a. Ground wire to GND (CE certification requires less than 1 ohm
between terminal and ground)
b. Hot wire to L1
c. If the input voltage is 110 V, neutral wire to L2/N
d. If the input voltage is 220 V, second hot wire to L2/N
6. Turn the terminal screws clockwise to close them connections.
7. Ensure the wires are securely connected to the input block, and replace
the meter access cover.
Wiring
AC Power