Daikin 90 Plus AFUE, Installation & Commissioning

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© 2014 Daikin North America, LLC
ComfortNet System

Four wires are
required between
the furnace and
thermostat .

Two wires are
required between
the furnace control
and the single stage
air conditioner .
C ‐ Net Compatible Furnace w/ Non ‐ C ‐ Net Compatible Single Stage AC
© 2014 Daikin North America, LLC

For this system configuration, the “Y1” terminal on the integrated
furnace control becomes an output rather than an input .

The “Y1” connection to the outdoor unit is made using both 4 ‐ position
thermostat connections in the CTK0* kit .
ComfortNet System
C ‐ Net Compatible Furnace w/ Non ‐ C ‐ Net Compatible Single Stage AC
C G Y2 2 1 R W1 O
ComfortNet Compatible
Furnace Integrated
Control Module
DE
HUM
W2
C 2 1 R
Y C
CTKO Thermostat
Non ‐ ComfortNet Compatible
Single Stage AC
4 ‐ Position Connectors from
CTKO Thermostat Kit
Y1