13
QM 1329.rev.00
The graph below explains the operation of the heater using sample values.
HEATER SETTINGS
If the room temperature rises:
- at 74
o
F: Heater A turns off.
If the room temperature falls:
- at 72
o
F: Heater A turns on.
P
RINCIPLE OF OPERATION
Room
Temperature
Heating
Set Point
= 75
o
F
Heater A
HEATER
A / ON
TEMP.
= 72
o
F
OFF
TEMP.
= 74
o
F
Heater A ON
Heater A OFF
