Taco Electronic Solutions iWorx MPU2, Application Manual

Page: 38 / 42

iWorx® MPU2
38 505-009, Effective: June 30, 2015
© 2015 Taco Electronic Solutions, Inc.
Dehumidification
Displays all of the settings for this category and provides access to edit these parameters from a single screen.
Runtime Limits
Displays all of the settings for this category and provides access to edit these parameters from a single screen.
Backup Occ Time/ Backup Unocc Time
The Backup time for Unoccupied and occupied mode is stored in the controller.
IAQ Settings
This parameter structure shows the settings for the IAQ Alarm, settings include IAQ Alarm Delay time, Temp Reset
Limit and Deadband.
Setting Range Default Description
Type Occupied,
Always enabled Occupied Defines when dehumidification is
enforced.
Setpoint 0.00 to 100.00% 0% Humidity Setpoint
Shutoff Offset 0.0 to 10.0 °F
(0.0 to 5.56
°C)
2.0 °F
(1.1
°C)
Heating setpoint offset to shut off
dehumidification.
Setting Range Default Description
Cooling 0 to 65,535 hours 1000 hours Runtime limit for cooling after
which a maintenance alarm is gen-
erated.
Heating 0 to 65,535 hours 1000 hours Runtime limit for heating after
which a maintenance alarm is gen-
erated.
Fan 0 to 65,535 hours 1000 hours Runtime limit for fan after which a
maintenance alarm is generated.
Setting Range Default Description
Hours 0-23 0 Hour to start occupancy/unoccu-
pied times.
Minutes 0-59 0 Minute to start occupancy/unoccu-
pied times.
Setting Range Default Description
IAQ Delay Time 0 to 1000 Min 5 Min Time the Alarm will be delayed.
Temp Reset Limit 0 to 15 °F
(0 to 8.3
°C)
5 °F
(2.8
°C)
Temperature Reset Limit to ensure
comfort temperature during IAQ
Alarm conditions.
Deadband 0 to 400 ppm 0 ppm Deadband to allow the IAQ to
recover from Alarm condition.