TA Instruments DMA 850 - Rev A Panel Upgrade: Plug and Assembly; Removing Plug and Installing Upgrade

Air Chiller System (ACS) and Chiller Panel Getting Started Guide for the DMA 850 Page 43
4 Remove the 8 mm plug from the elbow on top of the cross connector by depressing the circumferential
ring and pulling on the plug.
Figure 40 Plug.
5 Install the Valve and Solenoid Upgrade Assembly onto the ACS using the (2) screws provided. .
Figure 41 Valve and Solenoid Upgrade Assembly installed.