CEMP-E
TI 810-11
30 November 1998
Controller Configuration:
Information manually entered through a
controller keyboard which selects built-in
controller options and sets controller
parameters.
Control Point Adjustment (CPA):
Adjustment of a controller's setpoint. The
control point value may vary from the setpoint
due to load offset. Control point adjustment
can be accomplished by a signal generated
from a local adjustment device, by a signal
generated from a remote location, or by
means of software.
Controls:
Devices that govern the performance of a
system.
COOL:
Cooling
CPA:
Control Point Adjustment (Remote Setpoint
Adjustment)
C.T.:
Cooling Tower
CUH:
Cabinet Unit Heater
Cv:
The liquid flow coefficient of a valve that has
the units of gpm per psid and is used to
select the valve for a required flow in the
open position at a calculated pressure drop.
D:
Derivative Control Mode
DA:
Damper Actuator
DC:
Direct Current
DD:
Dual Duct
DDC:
Direct Digital Control
Deadband:
A range of thermostat output signal, between
the shutoff of heating and start of cooling, in
which no heating or cooling energy is used.
DEG:
Degree
Derivative (D) Mode:
Control mode in which the output is
proportional to the rate of change of the
input.
Glossary-3
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