White Rodgers 37-6334a Marine Radio User Manual


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3
HOT
HIGH
LIMIT
N
LINE
CIRCULATOR
MOTOR
W
Y
COM
R
G
RELAY/TRANSFORMER
TRANSFORMER
RELAY COIL
WHITE
F
F
T
T
BLACK
WHITE
ORANGE
IGNITION
TRANS.
BURNER MOTOR
TYPE 668
OIL BURNER CONTROL
TYPE 956
FLAME
DETECTOR
BLACK
ZONE VALVES (N.C.)
W-R 2-WIRE HEATING THERMOSTATS
BROWN
BLUE
BLACK
BLACK
RED
BROWN
TAPE
OFF
N.C.
N.O.
BLUE
STAT
BLACK
DIAGRAMS FOR SYSTEMS WHERE BURNER AND CIRCULATOR
OPERATION IS INDEPENDENT OF THERMOSTATS
DIAGRAM FOR SYSTEMS WHERE INTERNAL TRANSFORMER OF RELAY CONTROL SUPPLIES POWER
FOR ZONE VALVES
Fig. 6 Zone Valve (N.C.)
WIRING CONT.
All wiring should be done according to local and national electrical codes
Fig. 7
Diagram for Oil-Fired system using Relay/
Transformer with Zone Valves (N.C.)
CIRCULATOR
MOTOR
ZONE VALVES (N.C.)
W-R 2-WIRE HEATING THERMOSTATS
BROWN
BLUE
BLACK
BLACK
HOT
LINE
N
BROWN
BLUE
BLACK
BLACK
BLACK
HOT
N
LINE
TRANSFORMER
ADDITIONAL
ZONES
BLUE
STAT
1
B2
C1 C2
T1
2
B1T2
HOT
N
LINE
BLACK
IGN.
TRANS.
BURNER
MOTOR
RELAY/TRANSFORMER
TRANSFORMER
HOT
N
LINE
TRANSFORMER
24 VAC
ZONE VALVES (N.C.)
W-R 2-WIRE HEATING THERMOSTATS
BROWN
BLUE
24 VAC
GAS VALVE
HIGH LIMIT
COMMON
G (BLK)
MUST BE N.E.C.
CLASS 1 WIRING
Fig. 7a Diagram for Gas-Fired System,
eliminate Oil Burner for Gas-Fired system
DIAGRAMS FOR SYSTEMS WHERE EXTERNAL TRANSFORMER REQUIRED FOR POWERING FOR ZONE
VALVES
Fig. 8
Diagram for for System using Relay/transformer
with Zone Valves (N.C.)
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