Installation Guide
6
11-HD14D1-9-EN
B/C
R
D
ODT
ODT
RS1
RS1
R
B
D
B
D
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
Communicating Controls Wiring Diagram
COMMUNICATING
INDOOR UNIT
COMMUNICATING
OUTDOOR UNIT
850
COMFORT
CONTROL
*Caution: Do not run Outdoor/Remote
sensor wires in the same bundle
with HVAC wires. Also, keep away
from high voltage wiring to avoid
interference.
B/C
R
D
ODT
ODT
RS
RS
R
B
D
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
Communicating Controls w/Relay Panel Wiring Diagram
RELAY PANEL
INDOOR UNIT
OUTDOOR
UNIT
850
COMFORT
CONTROL
See Relay Panel
Installer’s Guide for
specific wiring
instructions
*Caution: Do not run Outdoor/Remote
sensor wires in the same bundle
with HVAC wires. Also, keep away
from high voltage wiring to avoid
interference.
B/C
R
D
ODT
ODT
RS1
RS1
R
B
Y1
D
Y
B
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
Communicating Indoor w/Non-Communicating Outdoor
COMMUNICATING
INDOOR UNIT
(excluding TAM8)
24V SINGLE STAGE
COOLING OUTDOOR
850
COMFORT
CONTROL
*Caution: Do not run Outdoor/Remote
sensor wires in the same bundle
with HVAC wires. Also, keep away
from high voltage wiring to avoid
interference.
B/C
R
D
ODT
ODT
RS
RS
R
B
D
R
B
D
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
Communicating Indoor (excl TAM8) w/Non-Comm OD HP or KS AC and Relay Panel
RELAY PANEL
INDOOR UNIT
850
COMFORT
CONTROL
See Relay Panel
Installer’s Guide for
specific wiring
instructions
Heat Pump/
Multi-Stage
AC
*Caution: Do not run
Outdoor/Remote sensor
wires in the same bundle
with HVAC wires. Also, keep
away from high voltage
wiring to avoid interference.
4.5 Field Wiring Connection Diagrams
Communicating Indoor and Outdoor
24V System w/Relay Panel
Communicating Indoor (excluding TAM8)
w/Non-Communicating Single Stage Cooling
Communicating Indoor (excluding TAM8)
w/Non-Communicating Outdoor Heat Pump or Multi-
Stage AC and Relay Panel
