Air Chiller System (ACS) and Chiller Panel Getting Started Guide for the DMA 850 Page 42
Upgrading a Rev A Chiller Panel for use with the DHR
If needed, follow instructions for Shutting Down, Purging, and Defrosting the ACS and Disconnecting the
ACS to Use on Another Instrument.
1 Make sure that the ACS power switch is turned off, all event cables are disconnected, and the Inlet
Quarter-Turn Valve is turned to the OFF position and both pressure gauges show 0 psi.
2 With an adjustable wrench, disconnect the flow control orifice from the pressure regulator.
Figure 38 Disconnect flow control orifice.
3 Remove the 8 mm tube from the cross connector by depressing the circumferential ring and pulling on
the tubing.
Figure 39 Remove tube.