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APPENDIX B 305 parts of the incinerator, including controls and safety devices, are in satisfactory operating condition. 7.3.1 Flame safeguard. The operation of the flame safeguard system should be verified by causing flame and ignition failures. Operation of the audible alarm (where applicable) and visible indicator should be verified. The shutdown times should be verified. 7.3.2 Limit controls. Shutdown due to the operation of the limit controls should be verified. 7.3.2.1 Oil pressure limit control. The lowering of the fuel oil pressure below the value required for safe combustion should initiate a safety shutdown. 7.3.2.2 Other interlocks. Other interlocks provided should be tested for proper operation as specified by the unit manufacturer. 7.3.3 Combustion controls. The combustion controls should be stable and operate smoothly. 7.3.4 Programming controls. Programming controls should be verified as controlling and cycling the unit in the intended manner. Proper pre-Ã purge, ignition, post-purge and modulation should be verified. A stopwatch should be used for verifying intervals of time. 7.3.5 Fuel supply controls. The satisfactory operation of the two fuel control solenoid valves for all conditions of operation and shutdown should be verified. 7.3.6 Low voltage test. A low voltage test should be conducted to satisfactorily demonstrate that the fuel supply to the burners will be automatically shut off before an incinerator malfunction results from the reduced voltage. 7.3.7 Switches. All switches should be tested to verify proper operation. 8 Certification 8.1 Manufacturer's certification that an incinerator has been constructed in accordance with this standard should be provided (by letter or certificate or in the instruction manual). 9 Marking 9.1 Each incinerator should be permanently marked indicating: 9.1.1 Manufacturer's name or trademark. 9.1.2 Style, type, model or other manufacturer's designation for the incinerator.
