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P00194
HIGH SUCTION PRESSURE
• ACTIVATION: This alarm is generated during Test 4 of Cool Pretrip. Suction pressure is higher than normal.
• UNIT CONTROL: Alarm Only
• RESET CONDITION: Auto reset if Pretrip is started again, or Alarm may be manually reset using the dis-
play mounted keys or by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in
Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1.
Check Wiring to CDP & CSP
a. Verify that correct wires are connected to each transducer Plugs to transducers are the same. The cor-
rect wire plug must be connected to the proper transducer. The CDP connector is identified with a red
tape band while the CSP connector is identified with a blue band.
b. Verify that correct transducer is being used in each position. Mechanical connections to transducers
are the same. The Discharge Transducer should have a RED marking dot on it. The Suction Trans-
ducer should have a BLUE marking dot on it.
2.
Check Alarms
. Alarm conditions must be corrected and the alarm
cleared to continue.
3.
Check System Pressures
a. Install manifold gauge set and check and compare compressor discharge & suction pressures with
those shown in Unit Data. Refer to
for instruction on comparison.
b. Check transducer operation Refer to
.
4.
Check Low Side Operating Conditions
Refer to procedure for alarm
. Alarm condition must be corrected
and the alarm cleared to continue.
Содержание Transicold X4 7300
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