SS2100 TDLAS H
2
S Gas Analyzer BA02191C
3-8 Endress+Hauser
Field interface loads (solenoid valves)
The SS2100 H
2
S analyzer must be connected to a certified solenoid having a
temperature code of T4, T5, or T6 at a maximum ambient temperature of
+60
C (140 F).
Connecting Electrical Power to the Enclosure
Heater
Units with an enclosure heater will have an additional power connection
through a conduit hub located at the bottom right of the SCS enclosure.
To connect electrical power to the enclosure heater
1. Open the heated enclosure door. Take care not to disturb anything
inside.
2. Open the power terminal box inside the heated enclosure, as shown
in Figure 3–4.
3. Run conduit from the power distribution panel to the conduit hub on
the lower right side of the heated enclosure labeled for power input.
Refer to “Application of conduit lubricant” on page 3-9.
4. Pull the green ground, brown/white neutral and black hot wires (#14
AWG minimum) into the power terminal box inside the heated
enclosure.
Hazardous voltage and risk of electric shock. Failure to
properly ground the analyzer may create a high-voltage shock
hazard.
Conduit seals should be used where appropriate in compliance
with local regulations.
Because the breaker in the power distribution panel or switch will
be the primary means of disconnecting the power from the
heater, the power distribution panel should be located in close
proximity to the equipment and within easy reach of the operator,
or within 10 feet of the analyzer.
An approved switch or circuit breaker rated for 15 amps should be
used and clearly marked as the disconnecting device for the
heater.
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