Ametek Thermox Series 2000 WDG-IV User Manual page 65

Combustibles remote calibration unit connections
If you have the combustibles option (and a combustibles RCU), you must
also make the following connection (see Figure 3-23):
SPAN2 - 17 on RCU
For a WDG-IVCM with RTD-type combustibles detector, you make the
following connection:
SPAN2 - 17 on RCU
For a WDG-IVCM with hot-wire detector, Remote Calibration Unit connects:
SPAN2 - 17 on RCU
SPAN3 - 18 on RCU
Overall braided shield
or rigid metal conduit
All common wires
to pin 16 on RCU
and valve commons
on control unit
Figure 3-23. series 2000 controller RCU connections.
Remote cal
switch normally
open (dry
contact closure)
Installation | 3-33