Carrier DIRECT VENT 4 58HDV Installation Instructions Manual page 51

TWO-STAGE
THERMOSTAT
OPTIONAL
DEHUMIDISTAT
If no DEHUM from
thermostat available
1
2
Connect 1 to Y1 for 2-
stage AC-HP
applications.
OR
Connect 1 to Y/Y2 for
1-stage AC- HP
applications
Fig. 59 - - Two- -Stage Thermostat with Variable Speed Furnace Models
THERMOSTAT
OPTIONAL
DEHUMIDISTAT
If no DEHUM from
thermostat available
1
2
Connect 1 to Y1 for 2-
stage AC-HP
applications.
OR
Connect 1 to Y/Y2 for
1-stage AC- HP
applications
Fig. 60 - - Two- -Stage Thermostat with Variable Speed Furnace and Two- -Stage Air Conditioner
TSIB
NOTE 5
Y1 Y1
O
NOTE 11
VS FURNACE
CONTROL
W2
W2
NOTE 7
W1 W1
Y2 Y/Y2
G G
R
R
NOTE 3, 9, 10
DEHUM DEHUM
C C
OM
24V HUM
HUM
and Single- -Stage Air Conditioner
TSIB
NOTE 5
Y1 Y1
O
NOTE 11
VS FURNACE
CONTROL
W2 W2
W1 W1
Y2 Y/Y2
G G
R R
NOTE 3, 9, 10
DEHUM
DEHUM
C C
OM
24V HUM
HUM
and Single- -Stage Air Conditioner
51
SINGLE STAGE
AIR CONDITIONER
Y
C
OPTIONAL
HUMIDIFIER
24V in
COM
NOTE 2
TWO-STAGE
AIR CONDITIONER
Y1
Y2
C
OPTIONAL
HUMIDIFIER
24V in
COM
NOTE 2
A09204
A09205