RELAY PANEL
18-HD68D1-10 13
Diagram 11 - 1 or 2 Stage Cooling w/TEM8 Air Handler communicating mode
*See note on page 7 regarding HUM and AUX
terminals.
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.
SOV
STG2
STG1
STG1
STG3
STG2
FAN
PWM
HUM
HUM
AUX1
AUX1
AUX2
AUX2
24V
ONL
Y
24V
ONL
Y
24V
ONL
Y
O
Y1
Y2
W1
W2
W3
G
BK
HUM*
HUM*
AUX1*
AUX1*
AUX2*
AUX2*
RELAY PANEL
R
B
INDOOR UNIT
R
B
Y1
Y2
OUTDOOR UNIT
COMMUNICATING
CONTROL
D
R
B
D
R
B
D
1) R connection at outdoor unit only required
for two compressor/two stage units.
1
Diagram 12 - 1 Stage Cooling w/Gas Furnace
*See note on page 7 regarding HUM and AUX
terminals.
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.
11- 1 STAGE COOLING W/GAS FURNACE
SOV
STG2
STG1
STG1
STG3
STG2
FAN
PWM
HUM
HUM
AUX1
AUX1
AUX2
AUX2
24V
ONL
Y
24V
ONL
Y
24V
ONL
Y
O
Y1
Y2
W1
W2
W3
W1
W2
G
BK
HUM*
HUM*
AUX1*
AUX1*
AUX2*
AUX2*
RELAY PANEL
R
B/C
Y
G
INDOOR UNIT
B
Y
OUTDOOR UNIT
COMMUNICATING
CONTROL
D
R
B
D
R
B
