Installation Guide
12
18-HD68D1-10
Diagram 10 - 1 or 2 Stage Cooling w/TEM6 or TEM8 Model Air Handler 24 volt mode
Diagram 9 - 1 Stage Cooling w/TEM3 & TEM4 Air Handler
*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.
9-1 STAGE COOLING W/TEM4
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
W1
W2
G
INDOOR UNIT
B
Y
OUTDOOR UNIT
COMMUNICATING
CONTROL
D
R
B
D
R
B
1
2
NOTES:
1. Cut and remove the BK jumper at the indoor unit
2. R connection at outdoor unit is required only for two
compressor / two stage units
3. D Terminal is on TEM8 ONLY
*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.
10-1 OR 2 STAGE COOLING W/TEM6
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
Y1
BK
Y2
W1
W2
W3
G
INDOOR UNIT
R
B
Y1
Y2
OUTDOOR UNIT
COMMUNICATING
CONTROL
D
R
B
D
R
B
D
