Wiring Requirements; Installing The Thermostat Kit; Step 1. Power Off The Daikin Indoor Unit - Daikin ENVi Installation Manual

Wiring Requirements

The Daikin ENVi thermostat uses 4-wire low-voltage cable to
connect to the Daikin Power and Communication Adapter
(DPCA) which in turn connects to the Indoor Unit.
The maximum wire length between the Daikin ENVi thermostat
and the DPCA is as follows:
18 AWG:
1250 ft/380 m
20 AWG:
800 ft/240 m
22 AWG: 500 ft/150 m

INSTALLING THE THERMOSTAT KIT

There are 5 steps to install the Daikin ENVi thermostat kit:

Step 1. Power Off the Daikin Indoor Unit

Step 2. Position and Wire the DPCA
Step 3. Install the Daikin ENVi thermostat
Step 4. Connect the Thermostat Wiring
Step 5. Mount the DPCA
Step 6. Power On Daikin Indoor Unit
Step 1. Power Off the Daikin Indoor Unit
Before installing the Daikin ENVi thermostat kit, disconnect the
power to the Indoor Unit.
WARNING:
power source. Always DISCONNECT power to the Indoor Unit
before connecting any power wires. Failure to do can result in
death, fire, or electrical shock.
The Indoor Unit uses a high-voltage 208/230V
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