iWorx® MPU2
505-009, Effective: April 28, 2014
37
© 2014 Taco Electronic Solutions, Inc.
Staged Heating/Cooling
Displays all of the settings for this category and provides access to edit these parameters from a single screen.
Modulated Heating/Cooling
Displays all of the settings for this category and provides access to edit these parameters from a single screen.
Floating SP Heating/Cooling
Displays all of the settings for this category and provides access to edit these parameters from a single screen.
Setting
Range
Default
Description
Stages
0 to 2 (Heating)
0 to 4 (Cooling)
2 (Heating)
4 (Cooling)
Number of heating or cooling
stages controlled. Set to zero to
disable staged heating or cooling.
Control Band
0 to 10.0
°F
(0 to 5.56
°C)
1 °F
(0.56
°C)
Value used to modify the calcu-
lated heating/cooling setpoints to
form the temperature range in
which local heating/cooling is
enabled.
Stage Time
0 to 255 minutes
5 minutes
The rate at which stages are
sequenced.
Setting
Range
Default
Description
Kp
0.00 to 100.00% per
°F
5.00%
Proportional
gain
of
the
P+I
control
loop.
Ki
0.00 to 100.00%
0.05%
Integral gain of the P+I control
loop.
Min AO Voltage
0.0 to 10.0 V
0.0 V
Minimum output voltage for modu-
lation.
Max AO Voltage
0.0 to 10.0 V
0.0 V
Maximum output voltage for modu-
lation. If set to 0, modulation is dis-
abled.
Setting
Range
Default
Description
Kp
0.00 to 100.00% per
°F
5.00%
Proportional
gain
of
the
P+I
control
loop.
Ki
0.00 to 100.00%
0.05%
Integral gain of the P+I control
loop.
Travel Time
0.0 to 600 seconds
0 seconds
Total time it takes for the valve to
travel from fully closed to fully
open. If set to 0 floating point is dis-
abled.
Deadband
0.0 to 100.00%
10%
The desired setpoint must be this
far or greater from the actual posi-
tion before modulating the actuator.
