Switching valves Note: Until further notice, switching ON the EMC
chillers is only allowed for trained
personnel using the correct PPE (personal
protective equipment). This means you'll
have to page either HVAC or a qualified electrician.
The valve switching procedure is described on the valve panel itself and is straightforward.
Modifying the SIAM configuration
When a chiller is off for a long period of time and the spare is taking over, the input signals of the stopped chillers have to be inhibited. This is done by pushing the yellow button "INH" on the SIAM display.
Here are the 3 different possible combinations You can be faced with and the inhibit settings you have to enable: