FB4ASX

HEAT PUMP

 

 

FB4ASX

HEAT PUMP

THERMOSTAT

FAN COIL

THERMOSTAT

 

FAN COIL

 

 

 

R

R

R

R

 

R

R

G

G

 

G

 

G

 

C

C

C

C

 

C

C

W2

W2

W2

W2

 

W2

W2

E

 

 

E

 

E

 

 

 

 

 

BLU

 

ODTS

L

 

 

L

W3

 

 

 

 

 

O

 

O

O

 

 

O

Y

 

Y

Y

 

 

Y

SYSTEMS WITHOUT

SYSTEMS WITH ONE

OUTDOOR THERMOSTAT

OUTDOOR THERMOSTAT

 

A97053

 

A97054

 

 

 

 

FB4ASX

 

 

THERMOSTAT

FAN COIL

HEAT PUMP

R

R

 

R

G

G

 

 

C

C

 

C

W2

W2

 

W2

 

 

 

ODTS1

L

W3

BLU

 

 

 

E

E

VIO

 

 

 

 

 

 

ODTS2

O

 

 

O

Y

 

 

Y

C

1

4

7

C

9

6

3

EMERGENCY HEAT RELAY

SYSTEMS WITH TWO

OUTDOOR THERMOSTATS

A97052

Fig. 7—24-v Control Circuit Connections

5

Page 5
Image 5
Carrier 38YCX instruction manual v Control Circuit Connections