Instruction manual

OM 751-4 38 www.DaikinApplied.com
uVC Input and output table
All UVC input and output connections and their corresponding unit ventilator usage are
shown in the following table.
Table 21: Inputs and outputs, software model 05—DX cooling only
I/O Description
BO-1 Inside Fan High
BO-2 Inside Fan Medium
BO-3
BO-4
BO-5
BO-6 External Output Option 2: Fault Indication
1
BO-7
BO-8
BO-9 Compressor
2
BI-1 Condensate Overow
BI-2
BI-3
BI-4 External Input Option 3:Ventilation Lockout (default) or Exhaust Interlock
3
BI-5 External Input Option 2: Remote Shutdown
3
BI-6 External Input Option 1: Unoccupied (default)
BI-7
BI-8
BI-9
BI-10
BI-11
BI-12 DX Press Switch (NC)
4
AI-1 IA Temp. Sensor + T.O.
AI-2 Remote Setpt. Adjust. Pot.
AI-3 DA Temp Sensor
AI-4 OA Temp Sensor
AI-5 IA Coil DX Temp Sensor
AI-6 OA Coil DX Temp Sensor
5
Expansion board
xBO-1 External Output Option 1: Lights On/Off
1
xBO-2 External Output Option 3: Exhaust Fan On/Off (default) or Auxiliary Heat
1
xBO-3 OA Damper Open
xBO-4 OA Damper Close
xBO-5
xBO-6
xBO-7 Outdoor Fan
5
xBO-8 Inside Fan Low
xAI-1 IA Humidity Sensor
6
xAI-2 OA Humidity Sensor
6
xAI-3 Indoor CO2Sensor
6
xAI-4
1. Field selectable external output options (all possible options are shown).
2. This is the condensing unit on/off signal on split-systems.
3. Field selectable external input options (all possible options are shown).
4. DX pressures switch not installed on split-systems; this input is then wired for constant no-fault condition.
5. Not installed or wired on split-systems.
6. Optional.