Carrier WeatherMaker 38YDB - Page 14

O/W2
W/W1
Y1 / W 2
G
R
THERMIDISTAT
CONTROL
MODEL RH
SINGLE-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
W
G
Y
C
Y2
W1
R
Y1
O
C
DHUM
HUM
B
S1
S2
R
C
HEAT STAGE 3
COOL/HEAT
STAGE 2
RVS COOLING
FAN
24 VAC HOT
24 VAC COMM
N/A
HUMIDIFY
See notes 7, 11, 14, 15, 16, 17, 18 and 25
N/A
OUTDOOR
SENSOR
CONNECTION
Y/Y2
HUMIDIFIER
(24 VAC)
OUTDOOR
SENSOR
COOL/HEAT
STAGE 1
A00366
L
24 VAC HOT
24 VAC COM
HEAT STAGE 3
R
C
G
R
C
Y1
C
W1
O
OTHER BRAND
TWO-SPEED
THERMOSTAT
SINGLE-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
G
W
R
Y2
W2
O
E
Y
Y2
Y1
H
R1
COOL/HEAT
STAGE 2
FAN
EMERGENCY
HEAT
RVS COOLING
COOL/HEAT
STAGE 1
See notes 11, 14, and 24
A00332
N
W/W1
G
R
SINGLE-STAGE
FURNACE
TWO-SPEED
HEAT PUMP
W
G
Y
C
Y2
W1
C
L
B
S1
S2
R
R
C
HEAT STAGE 3
(FURNACE)
COOL/HEAT
STAGE 2
(COMPRESSOR HI)
FAN
24 VAC HOT
24 VAC COM
O
O/W2
RVS COOLING
RVS SENSING
N/A
OUTDOOR
SENSOR
CONNECTIONS
Y/Y2
Y1
COOL/HEAT
STAGE 1
(COMPRESSOR LO)
Y1/W2
OUTDOOR
SENSOR
See notes 7, 11, 14, 15, and 26
PROGRAMMABLE
DUAL FUEL
THERMOSTAT
MODEL DF
A00367
M
Fig. 13—Typical 24-V Circuit Connections (Cont’d)
14