System Troubleshooting - Daikin EEV Series Installation Instructions Manual

System Operating
System
Cooling
Air Conditioner +
Heating
Air Handler
Continuous Fan
Cooling
Heat Pump Heating
Heat Pump + Air
HP+ Electric Heat
Handler
Electric Heat Strips
Continuous Fan
1 2 C R
125 �.(*)
1 2 R C
250 �.(*)
1 2 R C
(*) Allowable Maximum Length
SYSTEM WIRING
ATTENTION INSTALLER -
IMPORTANT NOTICE!
Please read carefully before installing this unit.
• Power line terminal #C from Indoor unit must connect
to terminal #C on thermostat and power line terminal
#R from indoor unit must connect to terminal #R on
thermostat. Verify wires are not reversed. (Note:The
order of the terminals of the indoor unit and the Daikin
One+ thermostat may be different.)
• Do not attach any wires to the R & C Terminals on the
AC/HP, as they are not needed for inverter unit.
1 2 C R
• Data line terminal #1 from AC/HP must connect to
125 �.(*)
terminal #1 on indoor unit and thermostat and data
line terminal #2 from AC/HP must connect to terminal
1 2 R C
#2 on indoor unit and thermostat. Verify wires are not
reversed.
250 �.(*)
1 2 R C
Airflow Demand
Mode Source
Air Conditioner
Air Handler
Thermostat
Heat Pump
Heat Pump
Only
Greater than of Heat
Pump of Air Handler
Strips
Demand
Air Handler
Only
Thermostat
Table 11
Table 10
Communica�ng Thermostat
Air Handler Blower Integrated
Control Module
Heat Pump Integrated
Control Module
Figure 20
Communica�ng Thermostat
Air Handler Blower Integrated
Control Module
Heat Pump Integrated
Control Module

17.5 System Troubleshooting

NOTE: Refer to the instructions accompanying the
Communicating compatible outdoor AC/HP unit for
unit specific troubleshooting information. Refer to the
Troubleshooting Chart at the end of this manual for
a listing of possible air handler error codes, possible
causes and corrective actions.
17