Table of Contents
Advertisement
Usage - Main Menu Settings
System Management (cont'd)
Operation mode
Displays the current
operation mode.
Cool:
Heat:
Block No.
Displays the block number. All
units in each group are operated
in the same operation mode. The
AT-50B automatically creates
blocks based on the refrigerant
pipe connection information and
the group setting information on
each unit.
1. Touch the 2 System-Changeover button on the [System Management] screen.
2. Touch the 1 Change mode button to select between [None], [Averaging], and [Representative Group].
System-Changeover
mode
None (default)
Averaging
Representative Group
When [Representative Group] is selected, the group that
is currently designated as the representative group will be
displayed.
* To designate a different group as the representative group, select
a new group on the screen that appears (shown right) when the 2
Representative Group button is pressed, and then touch the OK
button.
• The initial setting for the representative group is the group in a specific block with the smallest group
number.
• In a group where both Air To Water (PWFY) and Air conditioning units are connected to Y series
outdoor unit, System-Changeover function may not function properly.
3. Touch the 3 Save button on the [System-Changeover] screen.
62
Group list
Displays the number assigned to the indoor unit groups that are connected to the
outdoor units in a specific block. Select a representative group from this list when
the [Representative Group] is selected for the System-Changeover mode.
Setting
Select this option so as not to use the System-Changeover function.
The operation modes (Cool/Heat) will be changed-over based on the following: Temperature differences
between the preset temperature and the room temperature of all indoor unit groups that are connected to
a specific outdoor unit, AND the capacity of each indoor unit in each group.
* The operation mode of the groups of units that are not operating, or the ones that are operating in the
Fan or Auto mode, will remain the same.
The operation modes (Cool/Heat) will be changed-over based on the temperature difference between
the preset temperature of the representative group and the room temperature.
* When the air conditioning units in the representative group are not operating, or they are operating
in the Fan or Auto mode, the System-Changeover function will work in the same way as when the
System-Changeover mode is set to Averaging.
Display Block Information button
Displays the addresses of the
outdoor units and the names of
the groups in a specific block.
1
2
3
Hide quick links:
Advertisement
Table of Contents
