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Les langues disponibles
WIRING – Continued
DIAGRAM FOR SYSTEMS WHERE INTERNAL TRANSFORMER OF RELAY-HOT WATER CONTROL
SUPPLIES POWER FOR ZONE VALVES
2
2
5
4
1
3
ADDITIONAL
Fig. 8 Diagram for Gas-Fired
System using 842A-16
DIAGRAM FOR SYSTEMS WHERE EXTERNAL TRANSFORMER REQUIRED FOR POWERING ZONE VALVES
2
2
5
4
1
3
ADDITIONAL
ZONES
Fig. 9 Diagram for Gas-Fired System using
842A-1 or 843A-1
Alternate Connections
For Type 809A Relay
TYPE 809A RELAY
{
2
TO ZONE
VALVES
3
1
2
L
L
TO GAS VALVE
AND TRANSFORMER
OR OIL BURNER
CONTROL
MANUAL OPERATION
Use manual operator only in case of power failure, or for testing
system prior to wiring. If power fails, valve may be in either
"Open" or "Closed" position.
If in "Open" position, valve will remain open until power is
resumed.
If in "Closed" position, valve may be opened by turning dial
clockwise with your thumb until word "Open" appears. When
2
2
2
5
4
2
2
5
4
1
3
1
3
ZONES
TYPE 8F42A
T2
T1
Z
V1
N
V2
LINE
V3
1
2
HOT
B
C1
C2
W
Alternate Connections
For Type 8F42A
CIRCULATOR
MOTOR
2
2
5
4
2
2
5
4
2
2
5
1
1
3
1
3
TRANSFORMER
TYPE 956 FLAME
DETECTOR
TYPE 692 OR 693 OIL
BURNER HOT WATER
CONTROL
FD
{
FD
2
TO ZONE
T
VALVES
1
2
3
T
C1
B1
HOT
LINE
N
CIRCULATOR
MOTOR
CIRCULATOR
Alternate Connections
MOTOR
For Type 692 or 693
T3
T1
T2
2
5
4
2
2
5
4
1
3
1
3
}
3
TO ZONE VALVES
5
1
TO 24 VAC
GAS VALVE
TYPE 842A OR
843A
T1
T2
1
4
2
2
5
4
C1
B1
3
1
3
CIRCULATOR
BURNER
MOTOR
CONTROL
TYPE 956 FLAME
DETECTOR
{
T
2
TO ZONE
FD
VALVES
3
HOT
LINE
N
C2
B2
IGN.
TRANS.
CIRCULATOR
MOTOR
Alternate Connections
BURNER
MOTOR
For Type 6C92 or 6C93
power is resumed, valve will automatically return to command of
room thermostat.
4
TO LOW VOLTAGE
GAS VALVE
TYPE 842A-16
HOT
V1
LINE
V2
N
1
2
C1
C2
CIRCULATOR
MOTOR
TYPE 8F43A
T2
T1
Z
V1
N
V2
LINE
1
HOT
2
C1
C2
Alternate Connections
For Type 8F43A
CIRCULATOR
MOTOR
{
2
TO ZONE
VALVES
3
N
HOT
LINE
LINE
HOT
2
N
C2
B2
CIRCULATOR
MOTOR
Alternate Connections
For Type 8B42A or 8B43A
TYPE 6C92 OR 6C93 OIL
BURNER HOT WATER
CONTROL
Alternate Connections
For Type 829A Relay
HOT
LINE
TYPE 829A RELAY
1
2
N
C1
C2
{
2
TO ZONE
B1
B2
VALVES
3
IGN.
TRANS.
BURNER
MOTOR
TO GAS VALVE AND
TRANSFORMER OR
OIL BURNER
CONTROL
OPEN
Fig. 10
}
3
TO ZONE VALVES
5
1
TO 24 VAC
GAS VALVE
TYPE 8B42A
OR 8B43A
T2
T1
1
2
C1
C2
B1
B2
IGN.
TRANS.
BURNER
MOTOR
THERM
5
HOT
3
1
LINE
6
4
2
N
CIRCULATOR
MOTOR
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