GE Hydran 201i - Battery Specifications; Removing the Battery

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Hydran* 201i Instruction Manual
MA-033 Rev. 14.0, 12-Nov-18
3.7.2 Battery Specifications
For Hydran 201Ti units built as from August 2014 (S/N: 1408xxxxxx), the battery
specifications are the following:
• GE part number: 18909.
• Battery size and type: Coin 24.5mm, CR2477N, Lithium 950 mAh.
• Recommended model: CR2477N (Renata).
For Hydran 201Ti units built from 2012 (S/N: 12xxxxxxxx) to July 2014 (S/N: 1407xxxxxx),
the battery specifications are the following:
• GE part number: 18877.
• Battery size and type: Coin 24.5mm, CR2430, Lithium 285 mAh.
• Recommended model: CR2430 (Renata).
Note: For Hydran 201Ti units, built in 2012 or earlier, consult GE Customer Service ((the
coordinates can be found at the bottom of page 2).
3.7.3 Removing the Battery
It is recommended to remove the battery from the Hydran 201Ti if the unit has to be
stored for three (3) months or more.
Notes:
When disconnecting the battery, only the system clock will be lost and once the battery
has been replaced, the clock will be set to its default values (2000-01-01)
The system parameters, including the sensor parameters, the alarm set points and the
historic data will all be preserved when the battery is disconnected.
The removal of the battery must be executed by trained service
personnel only.
To remove the battery for storage, proceed as follows:
1. Power off the H201Ti.
2. Disconnect the H201Ti’s power supply at the external switch or circuit
breaker.
3. Remove the cover of the H201Ti unit.
4. Remove the two screws holding the CPU module (see item 4 of Figure 3-2).
5. Pull out the CPU module with care from the H201Ti.
6. Remove the three remaining screws.
7. Carefully lift off the cover of the CPU module.
8. Remove the battery from its holder.
9. Store the battery in a plastic bag.
CAUTION