White Rodgers 36C21 - Manuals

2 DO NOT BEGIN INSTALLATION UNTIL YOU READTHE FOLLOWING PRECAUTIONS. PRECAUTIONS 1. Failure to turn off electric or main gas supplyto heating system could cause personal in-jury and/or property damage by shock, gassuffocation, fire, and/or explosion. 2. Do not use this control on circuits exceedings...

3 SYSTEM WIRING To prevent electrical shock and/or equipmentdamage, disconnect electrical power to system atmain fuse or circuit breaker box until installationis complete. All wiring should be installed in accordance with localand national electrical codes and ordinances. Always check that the elect...

PILOT GAS ADJUSTMENT If the pilot flame is low and does not engulf the bulb of themercury flame sensor, the system will not energize themain valve. If pilot gas pressure is too high, gas will sputterpast the ignition electrode, and may not ignite. High pilotgas pressure may also cause the flame to l...