Specifications

49
© 2012 Emerson Climate Technologies, Inc.
Printed in the U.S.A.
AE8-1368 R2
High Discharge Pressure Trip
Is the Service
Valve Open?
Is the system discharge
pressure above the preset
trip point?
Yes
No
Yes
Replace the switch
if it fails to reset
below 250 psi.
Open the Valve
Resolve system
pressure issue
Check the continuity
across the pressure switch.
Is the circuit open?
No
No
Yes
Verify that the connections
to the pressure switches
are tight and made
properly. Refer to Figure
5.1
High Pressure Settings
Opens 360 psi
Resets 250 psi
6.28
After verifying that system
pressures are not unsafe,
temporarily bypass the
switch. If contactor chatter
condition or trips are
eliminated, replace the
switch