Wiring Diagram Notes - Bryant 598B Installation And Start-Up Instructions Manual

VARIABLE SPEED
80% NON-CONDENSING FURNACE
O
THERMIDISTAT
Y1
CONTROL
COOL STAGE 1 Y1/W2
O/W2
HEAT STAGE 2
HEAT STAGE 1 W/ W1
Y/ Y2
COOL STAGE 2
FAN G
24 VAC HOT R
24 VAC COM C
DEHUMIDIFY DHUM
DEHUM
HUMIDIFY HUM
N/A B
S1
OUTDOOR
SENSOR
S2
CONNECTIONS
See notes 11, 12, 13, 15, 16, and 17

WIRING DIAGRAM NOTES:

1. BRYANT THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS BEGINNING WITH
TSTAT _ _ _ _ _ _ _.
2. WIRING MUST CONFORM TO NEC OR LOCAL CODES.
3. CONNECT 24V FIELD WIRING TO FACTORY-PROVIDED STRIPPED LEADS.
4. THERMOSTATS ARE FACTORY CONFIGURED WITH 5 MINUTE COMPRESSOR CYCLE PROTECTION AND 4 CYCLES PER
HR LIMIT. SEE THERMOSTAT INSTALLATION INSTRUCTIONS FOR DETAILS.
5. TO STAGE ELECTRIC RESISTANCE HEAT, CONSULT OUTDOOR THERMOSTAT INSTALLATION INSTRUCTIONS.
6. WHEN USED IN TWO-SPEED AIR CONDITIONER INSTALLATIONS THERMOSTAT DIP SWITCH C SHOULD BE IN THE "ON"
POSITION. IN THIS CONFIGURATION, O/W2 IS USED TO CONTROL SECOND-STAGE HEAT.
7. TERMINALS MARKED WITH AN * MAY NOT BE PRESENT ON EQUIPMENT.
8. REFER TO FAN COIL INSTALLATION INSTRUCTIONS FOR FEATURES AND ADDITIONAL WIRING INFORMATION.
9. CUT AND REMOVE R19 JUMPER AT THERMOSTAT TO CONVERT TO AIR CONDITIONER OPERATION.
10. TO ACTIVATE DEHUMIDIFY FUNCTION ON FK4C OR FV4A, REMOVE J1 JUMPER AT FAN COIL CONTROL BOARD.
11. THERMIDISTAT DIP SWITCH 1 SHOULD BE SET IN THE "OFF" POSITION FOR AIR CONDITIONER INSTALLATIONS. THIS
IS THE FACTORY DEFAULT.
12. THERMIDISTAT DIP SWITCH 2 SHOULD BE SET IN THE "ON" POSITION FOR TWO-SPEED COMPRESSOR OPERATION.
13. REFER TO INDOOR EQUIPMENT INSTALLATION INSTRUCTIONS FOR PROPER SETUP.
14. TO ACTIVATE DEHUMIDIFY FEATURE ON CURRENT STYLE VARIABLE-SPEED 80 percent NON-CONDENSING FURNACES
(333AAV), DISCONNECT GREEN (DEHUM) WIRE FROM G ON FURNACE CONTROL BOARD AND CONNECT TO DEHU-
MIDIFY TERMINAL DHU ON THERMIDISTAT.
15. AS AN OPTION, O/W2 CAN CONTROL SECOND-STAGE HEAT.
16. SEE TABLE 4—AIRFLOW SELECTION FOR 333AAV FURNACES.
17. SEE TABLE 5—AIRFLOW SELECTION FOR 355MAV FURNACES.
18. SEE TABLE 6—AIRFLOW SELECTION FOR FK4C and FV4A FAN COILS.
19. THE DE-JUMPER LOCATED NEXT TO THE "DEHUM" TERMINAL MUST BE REMOVED TO ENABLE THE "DEHUM" INPUT.
AFS
BOARD
TWO-SPEED
FURNACE
AIR CONDITIONER
BOARD
W2
Y1
W/W1
Y2
Y/Y2
G
R
R
C
COM
HUM
PL9-10
HUMIDIFIER
(24 VAC)
OUTDOOR
SENSOR
V
Fig. 9—Typical Accessory Wiring Diagrams (Cont'd)
THERMIDISTAT
CONTROL
HEAT STAGE 2
COOL STAGE 1
HEAT STAGE 1
COOL STAGE 2
FAN
24 VAC HOT
DEHUMIDIFY
24 VAC COMM
HUMIDIFY
N/A
OUTDOOR
SENSOR
CONNECTION
A00397
—14—
VARIABLE-SPEED
CONDENSING
FURNACE AIR CONDITIONER
O/W2
W2
Y1/W2
W/W1
W/W1
Y/Y2 Y/Y2
G
G
R R
DEHUM
DE
(NOTE 20)
DHUM C
HUM
C
HUM
HUMIDIFIER
(24 VAC)
B
OUTDOOR
S1
SENSOR
S2
See notes 11, 12, 13, 16, and 18
W
TWO-SPEED
Y1
Y2
R
C
A00398