Battery Service Life Time - Mitsubishi Q172CPU User Manual

6 INSPECTION AND MAINTENANCE

6.4.1 Battery service life time

Type
Internal
rechargeable
Q173CPU(N)/
battery
Q172CPU(N)
External battery
(A6BAT/MR-BAT)
Internal battery
Q172EX
(A6BAT/MR-BAT)
(Note-1) : The actual time in use means the averaged time, and the guaranteed time means the minimum time.
(Note-2) : The external battery for Q173CPU(N) is installed to the Dividing unit(Q173DV).
The external battery for Q172CPU(N) is installed to the Battery unit(Q170BAT).
(Note-3) : The internal rechargeable battery for Q173CPU(N)/Q172CPU(N) can not be replaced.
(1) Q173CPU(N)/Q172CPU(N), Q172EX module battery service life
time
The battery service life time corresponding to the type is shown below.
Classification
Charging time:
8 hours or more
Charging time:
(Note-3)
40 hours or more
(Note-2)
MR-HENC 1
MR-HENC 2
Q170ENC 1
Q170ENC 2
Even if the A6BAT/MR-BAT is not connected to the
Q173CPU(N)/Q172CPU(N)/Q172EX or a total power failure time does not
exceed the guaranteed value, replace it with a new one in 4 to 5 years.
If a total of power failure time exceeds the guaranteed value specified above the
M9006, M9007 is turned on, replace the battery with a new one immediately.
Battery service life time (Total power failure time) [h]
Guaranteed time Actual time
(MIN)
200
1100
60000
10000
5000
8000
4000
6 - 8
After the battery
(TYP) decrease
500
No battery decrease
detection
4300
240000
(After M9006, M9007 on)
30000
15000
(After Error code 1152)
24000
12000
(Note-1)
120
40