Historic Data Verification; Table 13-1 - Maintenance Routines And Their Frequency - GE Hydran 201 i Instruction Manual

Chapter 13 • Maintenance
Historic data verification (Section 13.1 on page 13-2)
Dissolved gas analysis (DGA; Section 13.2 on page 13-3)
Hydran 201Ti verification (Section 13.3 on page 13-4):
• Visual inspection
• LED's, heater, display and keypad verification (Section 6.2.2 on
page 6-7)
• Parameter verification (alarm set points, etc.)
• Alarm relays verification (Section 6.2.4 on page 6-9)
• Verification of sensor tests
• Analog output verification (if connected; Section 6.2.8 on
page 6-14)
Hydran 201Ci Controller verification (Section 13.4 on page 13-6):
• Visual inspection
• LED's, heater and display verification (Section 8.2.2 on
page 8-3)
• Hydran 201Ci-1's analog output verification (if connected;
Section 8.2.3 on page 8-4)
• H201Ci-1's alarm relays verification (if connected; Section 8.2.4
on page 8-6)
• RS-232 or USB and RS-485 communications verification
(Section 7.2.3 on page 7-4)
a. The H201Ti's sensor is tested automatically twice a month, and the results are stored in the
historic data file Service.
13.1

HISTORIC DATA VERIFICATION

Frequency: Annually or on alarm
In addition to the annual or on-alarm verification, the Hydran 201Ti's historic data must
also be read regularly by the user.
13-2

Table 13-1 - Maintenance Routines and Their Frequency

Routine
a
(Section 6.2.6 on page 6-12)
Rev. 6, March 2011
Frequency
Annually or on alarm
Annually or on fail
alarm
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