3-3-2. Battery backup
Refer to Fig.3-3.
SW3
Connect a backup battery which is used to maintain time setting
at the time of power failure. Turn it ON after installing
equipment. CR-2025 is used as the backup battery, functioning
for an accumulative period of about six months.
Note
・
SW3 for battery backup is set OFF at the factory to avoid burning battery power.
・
When SW3 for battery backup is set OFF in case of power failure, "F-21 (CPU alarm)"
or "F-23( Time set alarm)" will is displayed. Please reset time setting.
・
In case that SW3 for battery back up is set ON and "F-21" or "F-23" are displayed, it is
necessary to replace the battery.
19
Содержание 16LJ-01
Страница 1: ...Absorption Chiller OPERATION MANUAL 16LJ 01 02 03 Original instructions ...
Страница 13: ...9 2 2 CONTROL PANEL Fig 2 3 CONTROL PANEL Fig 2 4 CONTROL PANEL inside ...
Страница 14: ...10 Fig 2 5 POWER BOX Fig 2 6 POWER BOX inside TERMINAL BASE CIRCUIT BREAKER MAGNET SWITCH OVERCURRENT RELAY ...
Страница 15: ...11 Fig 2 7 OPERATION BOARD ...
Страница 18: ...14 Fig 2 8 FLOW DIAGRAM ...
Страница 24: ...Fig 3 3 SW3 backup switch and backup battery SW3 Backup switch UP ON DOWN OFF Backup switch 20 ...
Страница 51: ...47 ...