Hydran* M2-X Instruction Manual
MA-029 Rev. 1.0, 30-Jul-18
The replacement of the fuse must be executed by trained
service personnel only.
Fuse specifications:
• GE part number: 16426
• Fuse size: 5 x 20 mm
• Fuse type: Time delay
• Fuse rating: 4A, 250V
• Recommended models: 0218004.MXP (Littelfuse), S506-4-R (Bussman)
9.3 Replacing the Battery
The battery is used to keep the real-time clock functioning and to retain the
historic data when the Hydran M2-X unit is not powered.
Every five years, it is recommended to replace the Lithium battery used in the
unit.
Note: When the battery becomes too weak, an alarm message will be displayed and
broadcast. In this case, the battery has to be replaced as soon as possible.
The replacement of the battery must be executed by trained
service personnel only. Refer to Appendix G for the
procedure.
9.3.1 Battery Specification
For Hydran M2-X units built as from 2013 (S/N: 13xxxxxxxx), the battery
specifications are the following:
• GE part number: 18670.
• Battery size and type: 1/2AA, Lithium 3.6 V, 1.2 Ah.
• Battery life: Five years (RTC backup).
• Recommended model: SB-AA02 (Vitzro Cell), ER14250/W (OmniCel), TL-
5276/W (Tadiran).
For Hydran M2-X units built prior to 2013, the battery specifications are:
• Type: Lithium cell.
• Diameter: 17.0 mm.
• Length: 33.5 mm.
• Nominal voltage: 3V.
• Nominal capacity: 1,200 mAh.
• Recommended model: Panasonic BR-2/3A.
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