C
ONTROL
UNIT
Honeywell
• 56
5
5.3
Changing the battery for Real Time Clock (RTC)
Enabling the functions of the
Real Time Clock (RTC)
requires that a battery is installed in the
drive.
The place for the battery can be found in all frames left to the control keypad (see Figure 49).
Detailed information on the functions of the
Real Time Clock (RTC)
can be found in the HVAC
Application Manual.
Figure 49. Optional battery