3-32 | Thermox Series 2000 WDG-IV / IVC / IVCM
Combustibles detector alarm connections
If you have the combustibles option, two sets of alarm relay contacts are
available to activate for high combustibles levels, and are labeled as fol-
lows (see Figure 3-22):
ALARM 5A ALARM 6A
ALARM 5B ALARM 6B
Methane detector option alarm connections
If you have the methane detector option, two sets of alarm relay contacts
are available to activate for high methane levels, and are labeled as follows
(see Figure 3-29):
ALARM 7A ALARM 8A
ALARM 7B ALARM 8B
Remote Calibration Unit Connections
If you don’t have the remote calibration unit (RCU) option, skip this sec-
tion.
Oxygen-only remote calibration unit connections
Oxygen-Only Remote Calibration Unit (RCU) connections on the Series
2000 control unit wiring card, and their RCU connections, are as follows
(see Figure 3-30):
ZERO - 13 on RCU
ASPIR - 14 on RCU
SPAN1 -15 on RCU
VALVE COMMON - 16 on RCU
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