White Rodgers 927 - Manuals

5 They are the people most commonly hurt in scald injuries and in need of lower temperature and other protection like supervision, point-of-use temperature control equipment or a system mixing valve. A point-of-use valve or system mixing valve can be obtained from your local plumber.Checking the tem...

6 A typical system wiring diagram is shown below. Use the water heater manufacturer’s wiring diagram for details of the installation. Always follow the instructions supplied with the water heater, and those of the water heater manufacturer. HIGH LIMIT SWITCH AIR PRESSURE SWITCH COMBUSTION BLOWER BLA...

7 SEQUENCE OF OPERATIONS APPLY POWER TO APPLIANCE IS FIELD WIRING CORRECT? DISPLAY ERROR CODE 1 OR 2 NO YES REQUEST FOR HEAT PRESENT? NO IS PRESSURE SWITCH PROVEN OPEN WITHIN 5 SECONDS? YES NO COMBUSTION BLOWER ON YES IS PRESSURE SWITCH PROVEN CLOSED WITHIN 5 SECONDS? NO WAIT FOR PRESSURE SWITCH TO ...

8 Error Indication Check, Repair, or Replace A B C 1 An open earth ground cir-cuit to the ignition system 1. Check that the earth ground conductor is properly connected at the fuse box or breaker panel and the water heater. 2. Check that the grounding conductors on the water heater are properly conn...