Instruction/ maintenance manual of the product 37-6334a White Rodgers
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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.
2 OPERA TION Fig. 4 PIPING 729 The two most commonly used piping systems are shown below. Plan 1 is popular for new installations, while plan 2 is frequently used when converting two- pipe systems. PLAN 1 Water valves installed at the boiler header to provide a separate supply to each zone.
3 HOT HIGH LIMIT N LINE CIRCULA TOR MOTO R W Y COM R G RELA Y/TRANSFORMER TRANSFORMER RELA Y COIL WHITE F F T T BLACK WHITE ORANGE IGNITION TRANS. BURNER MOT OR TYPE 668 OIL BURNER CONTROL TYPE 956 FLAME DETECTOR BLACK ZONE V AL VES (N.C.) W-R 2-WIRE HEA TING THERMOST A TS BROWN BLUE BLACK BLACK RED BROWN T APE OFF N.
4 DIAGRAMS FOR SYSTEMS WHERE EXTERNAL TRANSFORMER REQUIRED FOR POWERING FOR ZONE VALVES WIRING (Continued) Automatic (AUTO) (N.C. valve) (Fig. 9) On a call for by the thermostat, the valve opens and its auxiliary contacts close, providing a low voltage auxiliary circuit for starting the burner and/or circulator.
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If you already are a holder of White Rodgers 37-6334a, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime White Rodgers 37-6334a.
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