This duty-standby function can be used in three ways.
The first is for the standby system to take over if the master system fails, so as to provide continuity of service.
The second is the rotation function, with systems operating alternately and switching every one, three, seven, 14 or 28 days. Such sharing of operation can increase intervals between maintenance visits and reduce downtime.
The third mode is for master and standby to operate at the same time if, for example, the master system cannot reach the set temperature in cooling mode — say on a very hot day.
For more information on this story, click here:Aug, 08 164
Keywords: Air-conditioning, Mitsubishi electrics




