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Controls Training and Service Manual
Teamwork
Teamwork Modes
Teamwork is the ability to group unit functionality, while connected in a network, to
provide the ability to work together as a team and address control functions in
three different teamwork modes:
“No” Teamwork
In this mode all units are working independently for control and functionality. No
values or sensors are shared. While in this mode units may be setup to provide
the Lead/ Lag function and rotation, however, units may not be setup in the
Cascade functionality.
Teamwork Mode 1
In this mode unit parameters (system settings) are shared if the system value is
set in any of the units, all units will follow with same settings. (See Glossary of
Unit and System parameters section).
The return air temperature and humidity sensed by each unit in the network will be
averaged and used for control by the lead unit.
The Lead Unit designation #1 and will provide the calculations for the system
requirements and will provide the calculated divisions of the proportional band to
each of the units to start the required operations. The width of the proportional
band in multiple unit configurations is shown as normal, but internally the lead unit
(unit #1) sends the requests to the other units and multiplies this width by the
number of available units in the program.
To be an available unit for operations in this mode:
a) The unit cannot be in a standby (lead/lag) configuration: all units must be on
b) The units in the cascade function are not off or set with alarms functions to
be switch off.
This mode of control will drive all Chilled Water or FreeCooling actuators in parallel
for all units operating in the teamwork mode. The individual unit will control its
own Dual Cooling switchover functions, the low temperature functions and low
discharge air functions.
Teamwork Mode 1 will rotate the lead unit by 1 unit every 24 hours.
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