White Rodgers 37-6334a user manual

Summary of the content on the page No. 1

MAN
COMPACT ZONE VALVES
2-WIRE, 2-WAY
For use on systems up to 142 PSI
INSTALLATION INSTRUCTIONS
Operator: Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE IN-
STALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY
AND/OR PROPERTY DAMAGE.
DESCRIPTION
The compact zone valves are 2-way straight through, available
as a normally open or normally closed valve. The zone valves
come with or without a SPST normally open auxiliary switch and
f

Summary of the content on the page No. 2

OPERATION 2-WIRE HEATING TYPE 'Z' ZONE VALVE The schematic drawing Fig. 2 is for a normally closed valve. THERMOSTAT BLACK As shown, the valve is closed and the thermostat is satisfied. N.O. CONTACT When the thermostat closes its contacts, the valve begins to BLACK open as a circuit is made from the transformer to the motor and AUX. SWITCH HOT thermostat, back to the transformer. BROWN LINE Shortly after the valve begins to open, the auxiliary switch BLUE N MOTOR GREEN closes (providi

Summary of the content on the page No. 3

BROWN WIRING CONT. All wiring should be done according to local and national electrical codes W-R 2-WIRE HEATING THERMOSTATS DIAGRAMS FOR SYSTEMS WHERE BURNER AND CIRCULATOR OPERATION IS INDEPENDENT OF THERMOSTATS TRANSFORMER N LINE 24 VAC HOT Fig. 6 Zone Valve (N.C.) ZONE VALVES (N.C.) DIAGRAM FOR SYSTEMS WHERE INTERNAL TRANSFORMER OF RELAY CONTROL SUPPLIES POWER FOR ZONE VALVES TYPE 668 OIL BURNER CONTROL F TYPE 956 W-R 2-WIRE HEATING THERMOSTATS FLAME DETECTOR F T IGNITION T TRANS. RELAY/TRA

Summary of the content on the page No. 4

WIRING (Continued) DIAGRAMS FOR SYSTEMS WHERE EXTERNAL TRANSFORMER REQUIRED FOR POWERING FOR ZONE VALVES BLACK TO ZONE VALVES BLACK TYPE 829A RELAY BLACK RELAY/TRANSFORMER THERM TYPE 8B42A OR 8B43A TYPE 809A RELAY BLACK BLACK T2 T1 N LINE BLACK 5 1 HOT 2 HOT 3 1 LINE HOT C1 C2 6 4 2 N LINE 1 2 L L B1 B2 N IGN. TRANS. TO GAS VALVE AND TO GAS VALVE TRANSFORMER OR AND TRANSFORMER OIL BURNER CIRCULATOR CIRCULATOR CIRCULATOR OR OIL BURNER CONTROL MOTOR MOTOR MOTOR BURNER CONTROL MOTOR Alternate Conne