Honeywell VISIONPRO 68-0287-04 User Manual page 7

= NORMALLY OPEN, DRY CONTACTS
= NORMALLY CLOSED, DRY CONTACTS
1
COMMUNICATION LED
1 1
COMMUNICATION
2 2
TERMINALS
3 3
C
24 VAC
R
RC
RH
FACTORY INSTALLED
JUMPER BETWEEN R,
RC AND RH
1 WIRE TO TERMINALS ON THERMOSTAT.
Fig. 12. Typical hookup of conventional system with up to
three-stage heat and two-stage cool with one transformer
(3H/2C, 2H/2C, 2H/1C, 1H/2C, 1H/1C conventional).
1
COMMUNICATION LED
1 1
COMMUNICATION
2 2
TERMINALS
3
3
C
24 VAC
R
RC
RH
FACTORY INSTALLED
JUMPER BETWEEN R,
RC AND RH
1 WIRE TO TERMINALS ON THERMOSTAT.
Fig. 13. Typical hookup of heat pump system
(up to 4H/2C heat pump).
FIELD INSTALLED
JUMPER BETWEEN
R AND HUM 1
NON-POWERED
HUMIDIFIER
Fig. 14. Typical hookup of non-powered humidifier.
KEY
M23685
HEAT 1 RELAY
CONV. HP
HEAT 2 RELAY
W1 O/B
W2 AUX
HEAT 3 RELAY
W3 AUX2
Y Y COOL 1 RELAY
Y2 Y2
COOL 2 RELAY
G G
FAN RELAY
M23487
CHANGEOVER
CONV. HP
AUX 1 (HEAT 3)
W1 O/B
W2 AUX
AUX 2 (HEAT 4)
W3 AUX2
Y Y COMP 1
Y2 Y2
COMP 2
G G
FAN RELAY
M23488
1
2
3
C
24 VAC
R
RC
RH
H1
U
M2
D1
H
OR
M2
V1
N
T2
M23489
®
VISIONPRO
Fig. 15. Typical hookup of powered humidifier.
FIELD INSTALLED
JUMPER BETWEEN
R AND DHM 1
Fig. 16. Typical hookup of variable speed blower for
dehumidification in low speed (contacts normally closed).
NOTE: Connect DHM2 to low-speed fan terminal on air han-
dler for dehumidification with air conditioner and a
low-speed fan.
Fig. 17. Typical hookup of powered whole house
dehumidifier (contacts normally open).
7
IAQ TOTAL HOME COMFORT SYSTEM
1
2
3
C
24 VAC
R
RC
RH
H1
POWERED
U
HUMIDIFIER
M2
D1
H
OR
M2
V1
N
T2
M23490
1
2
3
C
24 VAC
R
RC
RH
H1
U
M2
D1
H
NON-POWERED
M2
DEHUMIDIFIER
V1
N
T2
1
2
3
C
24 VAC
R
RC
RH
H1
U
M2
D1
POWERED
H OR
DEHUMIDIFIER
M2
V1
N
T2
M23492
OR
M23491
68-0287—04