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Terminal assignment
Type
Terminal
Digital
DO1
Output
DO2
D03
DIO1
DIO2
Universal
UIO1
Input/
UIO2
Output
UIO3
Terminal assignment
Table 12: Terminal assignment
Label
Default
DO1
On/Off Heat
DO2
On/Off Cool
DO3
NA
DIO1
NA
DIO2
NA
UIO1
NA
UIO2
NA
UIO3
NA
Terminal Assignments
Inputs
NA
NA
NA
Discharge Air Sensor,
Drain Pan Sensor,
Occupancy Sensor, Proof
of Airflow, Pipe Sensor,
Space Temp Sensor,
Changeover Switch
Discharge Air Sensor,
Drain Pan Sensor,
Occupancy Sensor, Proof
of Airflow, Pipe Sensor,
Space Temp Sensor,
Changeover Switch
Discharge Air Sensor,
Drain Pan Sensor,
Occupancy Sensor, Proof
of Airflow, Pipe Sensor,
Space Temp Sensor,
Changeover Switch
TERMINAL ASSIGNMENT
Outputs
Heating On/Off, Heating Floating
Open, Cooling Floating Open, Valve
On/Off, Valve Floating Open,
Changeover Valve, Fan Command,
High Speed Fan, Medium Speed Fan,
Low Speed Fan, Auxiliary Heat, Heat
Stage1, Valve Stage1
Note: Changeover valve used to switch
between heating and cooling mode.
Heating Floating Close, Cooling
Floating Close, Cooling On/Off, Valve
Floating Close, Changeover Valve, Fan
Command, High Speed Fan, Medium
Speed Fan, Low Speed Fan, Auxiliary
Heat, Cool Stage1
Cooling Floating Open, Changeover
Valve, Fan Command, High Speed Fan,
Medium Speed Fan, Low Speed Fan,
Auxiliary Heat, Heat Stage1, Cool
Stage1
Cooling Floating Close, Changeover
Valve, Fan Command, High Speed Fan,
Medium Speed Fan, Low Speed Fan,
Auxiliary Heat
Changeover Valve, Fan Command,
High Speed Fan, Medium Speed Fan,
Low Speed Fan, Auxiliary Heat
6-Way Valve, Modulating Cool,
Modulating Heat, Modulating Valve,
Variable Speed Fan
23
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