M4557 - Model 9210 Nitriding Controller
Chapter 1 - INSTALLATION
Mounting
Stand-alone Flow Panel
The flow panel needs to be mounted in a manner that allows the panel to function as designed. The flow panel should be physically mounted close to the nitriding furnace. The gas inlets and outlets must be situated so that all of the connections can be made. Power comes from the control enclosure. The shortest sample line will allow for easy maintenance should there be a problem.
The gas sample from the nitriding furnace needs to be connected to the exhaust line of the flow panel. This allows for control of the furnace’s backpressure as well as providing gas flow for the Sample Box. The connection point is at the “T” fitting located on the bottom of the flow panel. All connection with the flow panel need to be tight, remember that there is ammonia gas in the sample line.
NOTE: All exhaust gases should be disposed of according to local regulations.
NOTE: DO NOT USE ANY OF THE FOLLOWING TYPE OF PIPING OR CONNECTORS WITH THE FLOW PANEL:
1.Copper
2.Brass
3.Galvanized Steel
4.Aluminum
SOME METALS REACT WITH AMMONIA AND CAN PRODUCE LEAKS OVER TIME!!!
USE SCHEDULE 80 PIPING AND FITTINGS ON ANY LINE THAT WILL HAVE AMMONIA OR DISSOCIATED AMMONIA FLOWING THROUGH IT.
The Control Enclosure
This unit needs to be mounted less than 50 feet from the flow panel. Communications between the Flow Panel’s Sample Unit and the Control Enclosure use RS232, which has a
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