GLOSSARY OF TERMS
6
LUXPRO
®
PSPU721T
CYCLE RATE -
Cycle rate is the frequency that heating or cooling equipment is turned on during a
certain period of time. Cycle rate is often given in units of cycles per hour (CPH).
DIFFERENTIAL -
Differential is defined as the difference between the cut-in and cut-out points as
measured at the thermostat under specified operating conditions. For example, if the thermostat
turns the heating equipment on at 70 degrees F and turns the heating equipment off at 74 degrees
F, then the differential is 4 degrees F.
PROGRAMMABLE THERMOSTAT
- A thermostat with the capability of automatically adjusting tem-
perature set point to pre-selected settings at pre-selected times.
SETBACK
- The automatic alteration of the thermostat control point(s) by means other than man-
ually changing the temperature set point.
SET POINT
- The desired temperature setting on an electromechanical or electronic thermostat.
Содержание PSPU721T
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