• Do not make any connections to the S5000 main board or junction box input, output, and relay connections while under
power. Making connections under power could lead to electrical shock or ignition of a hazardous atmosphere.
• Ensure that water and dirt are not able to enter the unit via the wire or conduit. If the unit is installed in a location known to
be wet or damp, it is good practice to loop or bend the entry into the unit that prevents water incursion.
• The internal grounding terminal (located on the interior metal board stack plate) must be used for equipment grounding.
The external grounding terminal is only to be used as a supplemental bonding connection where local authorities permit
or require such a connection.
• As part of the product certification, it was verified that optional communication functions of this gas detection instrument
while operating at the maximum transaction rate do not adversely affect the gas detection operation and functions of the
instrument. The product certification, however, does not include or imply approval of the SafeSwap feature,
communications protocol or functions provided by the software of this instrument or of the communications apparatus
and software connected to this instrument.
• Follow the warnings below when removing or replacing sensors. Reference Figure 3 Exploded View for component
overview.
○ Never remove or replace a sensor body assembly or an IRSensor while under power or when explosive hazards
are present.
○ Confirm that the area is free of explosive hazards before removing or replacing an XCell Sensor under power.
○ To remove an XCell Sensor, unscrew XCell Sensor three full turns, wait 10 seconds, and then remove the XCell
Sensor completely.
Failure to follow these warnings can result in serious personal injury or death.
3.6.2 Retrofit Applications with S4000CH, S4000TH, or TS4000H
The S5000 was designed to be easily retrofitted with existing S4000CH, S4000TH, and TS4000H wiring. When replacing an
existing S4000CH, S4000TH, or TS4000H with the equivalent S5000 sensor technology, the following items need to be
checked in order for the S5000 to operate:
1. Wire gauge needs to be 18-14 AWG
2. Sufficient power must be supplied to the S5000 in accordance with the maximum wire lengths. (See the tables in 3.6.4
Power Load Requirements and Maximum Mounting Distances)
If these requirements are met, performance of the S5000 should meet the noise immunity standard equivalent of the
S4000CH, S4000TH, and TS4000H using the existing wiring; However, the installation may not meet the latest EMC
EN50270 noise immunity standard that the S5000 meets with the grounding and wiring scheme as indicated in this manual and
corresponding I/O drawing.
3.6.3 Electrical Hardware Requirements
Braided shielded, twisted pair, instrument quality wire or cable should be used to minimize the possibility of noise interference
and contact with other voltages. Selection of shielded cable must comply with local requirements.
Conduit, in addition to braided shielded wire, may also be needed in areas where a large amount of electrical noise is expected.
All cable shields should be terminated to earth ground at both ends.
The S5000 has a four-wire power terminal, one four-wire communication terminal, and three four-wire sensor terminals. Relays
can be added as an option. Terminals for power and relays can take wires up to 12AWG while all other terminals take wires up
to 14AWG. Four conductors are also required for the S5000 remote junction boxes.
24
3 Installation US
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