16
Number Units on: Number of units that are assigned primary status to be On (Primary Schedule)
Number Units on Sec: Number of units that are assigned secondary status to be On
(Secondary Schedule)
If Primary is selected, the displayed screen will be (entries are for reference only):
Number Units ON: The total number of units within a zone that must stay on at all
times. This is number is always less than or equal to the number of Units Online
*This value is dependent on number of units in Zone (1 to 16)
Zone Airfl ow
– Choices are Disabled, Constant or Unity Cl. Standard factory setting is “Dis-
abled”. Only units with special airfl ow measuring device or Unity Cooling (Unity Cl) options can
use Constant Airfl ow or Unity Cooling selections. In these two modes, the Zone Master will control
all of the fans in the zone to speed up or slow down to maintain a constant air airfl ow or an airfl ow
set by BMS or server.
To view the next screen, with the cursor fl ashing in the title block, Press the Down key. The follow-
ing will be displayed (entries are for reference only):
Temperature Assist
– Press the Enter key. The cursor will fl ash by the current entry. To change
the entry, press the Up or Down key. There are two choices, Yes or No. If set to Yes, the Zone
Master will be enabled to ask a standby unit to come on when the average temperature is higher
than the cooling setpoint plus deadband plus 1.5°F.
Once a selection has been made, press the Enter key to advance to the next entry (
Standby On
Delay
).
Standby On Delay
– Press the Up or Down key to change the setting. The range is 30 to 999
seconds. The factory setting is 30 seconds. The time entered is the time delay before a standby
unit will come on when it is requested by the Zone Master.
Once a selection has been made, press the Enter key to advance to the next entry (
Standby Off
Delay
).
Zone Master Control
Zone ID:
1
Unit in Zone:
4
Units Online:
2
Primary Schedule Only
2
Number Unit On:
2
Zone Airflow:
Disabled
Zone Master
Temperature Assist:
Yes
Standby On Delay:
30
Standby Off Delay:
900
Enable Inhibit:
Yes
Rotation: Day
&
Time
Monday at:
4:00 AM
Force Rotation:
No
