Ashcroft GC30 Manual de inicio rápido - Página 7

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Product Information Page

Output 2 Switch Set Point to Shut Down Heating/Cooling System When Differential Pressure Reaches

0.750 IWC



For test purpose a 290 ohms resistor shall

be used as the switch load (wire switch per

manual instructions or figure above).



Press the Up or Down arrow until .200 is

displayed or apply .200 IWC.



Output 2 switch in normal state (OFF).



Place voltmeter leads across resistor and

verify voltage reading (0 V dc).



Press the Up arrow until .750 is displayed or

increase pressure up to .750 IWC.



Output 2 switch turns ON (Out 1 is ON since

differential pressure reached .500 IWC).



Verify voltmeter reading (28 VDC).



External relay energizes.



Relay normally closed switch opens,

heating/cooling system shuts down.



Press the Down arrow until .200 is displayed

or decrease pressure to .200 IWC.



Verify voltage reading (0 V dc).



Switch changes to normal state (OFF).

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

ashcroft.com

info@ ashcroft.com

1.800.328.8258

Rev. A 02/17, Page 7 of 7