Step 2. Position And Wire The Dpca - Daikin ENVi Installation Manual

Step 2. Position and Wire the DPCA

The Daikin Power and Communication Adapter (DPCA) provides
an interface between the thermostat and Indoor Unit.
To install the DPCA:
1. Position the DPCA in a suitable location, away from water
2. Connect the DPCA power cable to the Indoor Unit power
3. Remove the DPCA cover by grasping both sides and pulling
4. Use the Wiring Harness to connect the P2 terminal
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and near the Indoor Unit (for example, a backside cavity of
a wall-mounted unit). The DPCA is not plenum rated and
should be mounted in a non-plenum space.
supply terminals. Ensure that the electrical connections are
securely tightened.
along the length of the DPCA.
on the DPCA to the S21 terminal on the Indoor Unit's
main PCB. Refer to the Daikin system installation
manual for information about accessing the S21
terminal.