CEMP-E
TI 810-11
30 November 1998
TSP:
Temperature-Setpoint Device
Tuning:
The process of finding the control-mode
constants the use of which results in the
stable control of a process at or near the
controller setpoint.
TuP:
Microprocessor Room Thermostat
TT:
Temperature Sensor and Transmitter
Two-Position Control:
Control achieved by switching a controller
output signal on and off in response to a
change in a sensed variable.
TY:
Temperature Loop Device
UH:
Unit Heater
Unique Identifier:
An alphanumeric identifier that consists of:
1) an abbreviation for the type of device; and
2) a number made up of an HVAC-system
number and a serial number for the device.
UNOCC:
Unoccupied
VAV:
Variable Air Volume
VFDU:
Variable-Frequency Drive Unit
VLV:
Valve
W:
Wednesday
WTR:
Water
X1, X2:
transformer Power, Hot and Ground
X:
Times (Multiplication)
XMFR:
Glossary-14
Previous Page
