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T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER
63-2248—4
19
Table 3. Checkout Table.
Checkout Table Checkout Table Example
Heat or
Cool Load 1 Load 2
Reset
Value
Load 1
Reset
Value
Load 2
Heat or
Cool
Load 1
Heat
Load 2
Heat
Reset
Value
Load 1
Reset
Value
Load 2
Sensor
A ____
Sensor
B ____
Sensed
Temp
Sensor A
80°
Sensor B
10°
Sensed
Temp
80° Off
76° On
80°
78° Off
74° On
120° Off
116° On
80°
118° Off
80°
Setpoint B ____________ Reset Direction __________ Setpoint B 30° Reset Direction Increase
Sensor B _____________ Reset Action ____________ Sensor B
10° Reset Action Below
Reset Ratio A _________ Reset Ratio B ___________ Reset Ratio A
1 Reset Ratio B 2
FORMULA 1: FORMULA 1 EXAMPLE:
Sensor B Sensor B = 10°F
-Setpoint B Setpoint B = 30°F
Temp Diff = _______________________ Temp Diff = -20°F
FORMULA 2: FORMULA 2 EXAMPLE:
Amount of Reset =
Reset Ratio B Amount of Reset = 2 x (-20) = -40
Reset Ratio A 1