BT REFLEX RR B2-3CC - 22.2.4 Recommended parameter setting for ventilation regulated batteries; 22.2.5 Instructions for verifying the parameter setting

Valid from serial number T-code
713962- 403-414, 669-671, 716-718
Order number Date
218920-040 2005-06-01
© BT Europe AB Service Manual REFLEX RR B/E, RR B/E CC 22- 3
Battery – 5110
Setting the battery parameters on RR trucks fitted with Hawker
22.2.4 Recommended parameter setting for
ventilation regulated batteries
When setting parameter 21 in a Reflex truck fitted with Hawker Evolu-
tion batteries, we advise that the recommended value for wet-type bat-
teries should be reduced by six (6) units
Example:
Parameter 21 with a 520 Ah wet battery: 14
Parameter 21 with a Hawker Evolution battery: 8
WARNING!
Battery service life will be reduced if the value of parameter 21 is set
too high. Please
always check that the parameter setting is correct
by referring to the instructions below.
To verify the charging state of a discharged 48 V battery, meas-
ure the open circuit voltage (i.e. voltage at no load) following a
period of inactivity. The zero indication should appear at an open
circuit voltage that must not fall below 2.02 V/cell or 48.48 V.
See the instructions below.
22.2.5 Instructions for verifying the
parameter setting
• Charge the battery.
• Operate the truck in its normal application until the battery indicator
indicates a discharged battery (0% in the display).
• Disconnect the battery from the truck and allow it to rest for at least
two hours. NOTE! Do not allow any charging or discharging during
this time.
• Measure the voltage in the battery at room temperature. If the volt-
age is less than U
end
, (see the table below), the parameter value
must be reduced. If the value considerably exceeds U
end
, the risk
of causing damage to the battery is reduced. At the same time,
however, the operating time of the truck decreases. If an extended
operating time is desired, slightly increase the parameter value.
• Each change should be followed up by a new verification of the
parameter setting.
Battery type Battery voltage when idle, U
end
Hawker Evolution 48.48 V
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