Gas H; Gas Hh; Gas L - GE Hydran 201i Instruction Manual

Transformer gas monitoring system
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Hydran* 201i Instruction Manual
• Alarm cause(s): Daily trend below the DayTrAlr LL alarm set point. Probably
indicates a gas level reading problem.
Proceed as described for the DayTrend L alarm (Section 13.1.7 above).

13.1.9 Gas H

• Alarm type: Gas alarm
• Non-abbreviated description: Gas level High
• Priority: Medium
• Parameter(s) involved:
-
GasAlr H (alarm set point); Gas;GasLevel submenu; Section 5.5.2.1.
-
GasAlr Delay; Gas;GasLevel submenu; Section 5.5.2.1.
• Alarm cause(s): Gas level above the GasAlr H alarm set point.
Perform steps 2 to 5 in Section 13.1.5.

13.1.10 Gas HH

• Alarm type: Gas alarm
• Non-abbreviated description: Gas level High-High
• Priority: High
• Parameter(s) involved:
-
GasAlr HH (alarm set point); Gas;GasLevel submenu; Section 5.5.2.1
-
GasAlr Delay; Gas;GasLevel submenu; Section 5.5.2.1
• Alarm cause(s): Gas level above the GasAlr HH alarm set point.
Perform steps 2 to 5 in Section 13.1.5.

13.1.11 Gas L

• Alarm type: Fail alarm
• Non-abbreviated description: Gas level Low
• Priority: Medium
• Parameter(s) involved:
-
Gas L; SysOK Relay;FaultTrig. submenu; Section 5.5.7
-
GasAlr L (alarm set point); Gas;GasLevel submenu; Section 5.5.2.1
-
GasAlr Delay; Gas;GasLevel submenu; Section 5.5.2.1
• Alarm cause(s): Gas level below the GasAlr L alarm set point. Probably
indicates a gas level reading problem.
Perform steps 2 to 5 in Section 13.1.7.
MA-033
Rev. 14.0, 12-Nov-18
Page 183

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