Heat/Cool Applications - Trane TCONT824 Installation Manual

4.5

Heat/Cool Applications

1- 1 OR 2 STAGE COOLING W/TAM7 MODEL VARIABLE SPEED AIR HANDLER
Diagram 1 - 1 or 2 Stage Cooling w/TAM7 Model Variable Speed Air Handler
824 COMFORT CONTROL
AUX1
AUX 1
AUX1
AUX2
AUX 2
AUX2
RC
24VAC HOT
RH
B/C
COMMON
O
SOV
Y1
3
COOLING
Y2
G
FAN
BK
W1
HEATING
W2
W3
ODT
ODT
ODT
RS1
RS
RS1
2- 1 STAGE COOLING W/GAM5A OR TAM4 MODEL AIR HANDLER
Diagram 2 - 1 Stage Cooling w/GAM5A or TAM4 Model Air Handler
824 COMFORT CONTROL
AUX1
AUX 1
AUX1
AUX2
AUX 2
AUX2
RC
24VAC HOT
RH
B/C
COMMON
O
SOV
Y1 2
COOLING
Y2
G
FAN
BK
W1
HEATING
W2
W3
ODT
ODT
ODT
RS1
RS
RS1
18-HD72D1-6
OUTDOOR UNIT
INDOOR UNIT
R R
4
B B
O
YI Y/Y1
YO
2
Y2 Y2
4
G
BK 1
W1
W2
W3
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
INDOOR UNIT
R
OUTDOOR UNIT
B
B
O
YI Y
1
YO
G
W1
W2
W3
Optional
Outdoor
Sensor*
Optional
Remote
Sensor*
824 Programmable Wi-Fi Comfort Control
NOTES:
1. Cut and remove the BK jumper at the indoor unit
AFC Board
2. YI and YO connections must be made as shown
for freeze protection and internally mounted
condensate overflow circuits to function properly
3. If a 3rd party overflow condensate switches are
installed, wire between Y1 of the 824 and YI of the
airflow control board
4. R and Y2 connections at outdoor unit are required
only for two stage units
*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.
NOTES:
1. YI and YO connections must be made as shown for
freeze protection and internally mounted condensate
overflow circuits to function properly
2. If 3rd party overflow condensate switches are
installed, wire between Y1 of the 824 and YI of the
air handler
*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.
7