EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 Manual page 18

Installation
Power and Wiring

When possible, try to adhere to the Climate
Talk color code. (red, green, yellow, white)

However, if you use standard 18/4 wiring, it
might have slightly different colors.

Choose your color codes, and stick with that
same code throughout installation.
Communicating
Outdoor Heat Pump
or Condensing Unit
C
WHITE
2
YELLOW
1
GREEN
R
RED
© 2015 Goodman Manufacturing Company, L.P.
Communicating
Air Handler
or Furnace
C
2
1
R
G
RH
RC
C
JMP1
RC/RH
LINK
C W
2 Y
1 G
R R