Napoleon NBM030S2A Installation And Operating Instructions Manual

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Napoleon NBM030S2A Installation And Operating Instructions Manual Manual pdf 37 page image

W415-1117 / A / 03.11.1437IOM12.3 GAS INLET PRESSURE12.4 LEAK TESTING12.5 PURGING GAS LINESH17.2AIMPORTANT:ALWAYS USE A BACKUP WRENCH TO PREVENT TWISTING OF THE GAS VALVE. ANYSTRAINS ON THE GAS VALVE CAN AFFECT POSITIONING OF THE ORIFICES RELATIVETO THE BURNERS. THIS COULD RESULT IN FAULTY BURNER OPERATION.Install a manual gas shut-off valve and dirt pocket as close to the furnace as possible. Some local codes callfor the manual gas shut-off valve to be located between 4 feet (1.2m) to 5 feet (1.5m) above floor level toprevent tampering by small children. Ensure that the valve is readily accessible.IMPORTANT:ENSURE THAT THE GAS VALVE IS NOT SUBJECTED TO HIGH PRESSURES.H3.19DISCONNECT THE MANUAL SHUT-OFF VALVE AND GAS VALVE DURING ANYPRESSURE TESTING THAT EXCEEDS 1/2 P.S.I.G. (3.45 KPA).WARNING !!H17.3.1The natural gas inlet supply pressure should be 5” to 7” w.c. (7” w.c. recommended). The LP gas inlet supplypressure should be 11” to 13” w.c. (12” w.c. recommended). These pressures must be maintained while all othergas fired appliances are operating at maximum conditions.IMPORTANT:DO NOT EXCEED 13” W.C. INLET PRESSURE WITH EITHER FUEL.The gas valve has an adjustable internal regulator for controlling burner manifold pressure. Burner manifoldpressure is listed on the furnace rating plate.H17.4All new gas piping installations should be pressure tested as specified by CAN/CSA-B149.1 & 2, or NFPA 54ANSI Z223.1 or ANSI/NFPA 58, “Standard for the Storage and Handling of Liquefied Petroleum Gases.”Gas piping that has not been pressure tested, from the manual shut-off valve to the furnace gas valve forexample, should be leak tested using an electronic combustible gas detector, a commercially prepared leakdetector, or other locally approved method.H3.20NEVER USE A MATCH, TAPER, CIGARETTE LIGHTER, FLAME OR ANY OTHER IGNITIONSOURCE TO CHECK FOR LEAKS IN A GAS LINE.FAILURE TO ADHERE TO THIS WARNING CAN CAUSE A FIRE OR EXPLOSIONRESULTING IN PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.WARNING !!