Chapter 7 Service And Parts - Ametek Thermox Series 2000 WDG-IV User Manual

SERVICE AND PARTS
The operations in this appendix should be performed only by quali-
fied service personnel with a knowledge of electrical safety techniques.
There are no operator-serviceable components inside the WDG sys-
tem.
Never service the controller or sensor unless power has been removed
from the controller and sensor, and the sensor has been allowed to cool
for one hour.
This chapter is divided into the following sections:
•
Cell Replacement
•
Thermocouple Replacement
•
Furnace Replacement
•
Combustibles Detector Replacement (optional)
• Box Heater Wiring
•
RCU (Remote Calibration Unit) Solenoid Valve Replacement
•
Replacement Parts List
See the Installation chapter for help on how to remove or replace Series
2000 control unit modules or option cards.
You can clean the outside of the sensor or controller (or Remote Calibra-
tion Unit) using normal household or commercial general purpose clean-
ers, cloths, or sponges. You can also use water. Always turn off power
before attempting to clean the enclosure.
A wiring diagram for a standard sensor is provided in Figure 7-1. This
figure shows the locations of all wiring connections on the sensor. If your
sensor requires different wiring, this is provided in an appendix.
Service and Parts | 7-1