Menu M - Set Zone Master - Data Aire dap4 User Manual

MENU M – SET ZONE MASTER
Notice: The Zone Master menu only appears on the Master controller (Unit at
address 1) when the zone master feature is enabled.
Zone ID: Within the same area, there may be more than one zone. This
setting is sent out to all units to identify which zone the unit belongs to.
Units: Set this to the total number of units that are connected to the
network (including the Master).
Online: The master will automatically detect how many units are
connected to the Zone Master network. This number should match the
number of units that you set above. An "off line' alarm will occur if any
unit is not detected.
Finish Run
performing any temperature or humidity control operation before it can
return to the standby mode.
Primary or Secondary Schedule: Selecting a secondary schedule offers
even greater flexibility so that units can have different modes based on a
time schedule.
Number Units On: This setting determines how many units will constantly
be on, regardless of demand. The remainder of the units will be in standby
(unless set to be in off mode). The Zone Master can be set to turn additional
units on when demand increases.
Fan Modes:
Disabled (default) - The Zone Master does not control the fan of the units.
Each unit will use its own fan control method.
Fan Mode: C. Airflow – The Zone Master will modulate the fan speed of
all running units in the zone to maintain the zone airflow set point. This
selection requires an optional airflow measuring sensor to be installed.
Unity Cl: Similar to the C. Airflow listed above, but the air flow setpoint is
determined by a value communicated by an external control system.
Max Rack - The Zone Master will modulate the fan speed of all running
units in the zone to the highest rack temperature. This selection requires
optional rack temperature sensors.
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Stdby: When set to "Yes" any assisting unit must finish
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