valutazioni - 3, GPA: 5
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w.c. Standard burner model designation Standard combustion control Standard control system Burner motor H.P. Standard motor voltage No. 2 oil GPH On-Off LHL MOD 0n-0ff LHL/MOD 0n-0ff LHL/MOD 0n-0ff LHL/MOD 0n-0ff LHL/MOD 380 2.40 0.28 F10 - 530 SE/C - 00 - 1/8 - 120/60/1 - 480 3.40 0.28 F15 - 530 SE/C - 00 - 1/8 - 120/60/1 - 580 4.45 0.28 F15 - 530 SE/C - 00 - 1/8 - 120/60/1 - 680 5.50 0.27 F20 - 530 SE/C - LFS - 1/8 - 120/60/1 - 780 6.50 0.27 - RS28/2 RS28/M - LAL 2.25 - LHL/MOD - 1/2 - 120/60/1 880 7.50 0.27 - RS28/2 RS28/M - LAL 2.25 - LHL/MOD - 1/2 - 120/60/1 980 8.50 0.27 - RS28/2 RS28/M - LAL 2.25 - LHL/MOD - 1/2 - 120/60/1 1080 9.60 0.26 - RS38/2 RS38/M - LAL 2.25 - LHL/MOD - 1/2 or 3/4 - 120/60/1 or 3 phase* 1180 10.60 0.26 - RS38/2 RS38/M - LAL 2.25 - LHL/MOD - 1/2 or 3/4 - 120/60/1 or 3 phase* 1280 11.60 0.26 - RS38/2 RS38/M - LAL 2.25 - LHL/MOD - 1/2 or 3/4 - 120/60/1 or 3 phase* * 208/60/3,240/60/3,480/60/3,575/60/3 burner motor voltage must be specified Notes 1 Burner capacities listed for elevations up to 2,000 feet. For higher elevations, contact local Weil-McLain distributor/agent or sales office. 2 Light oil based on No. 2 fuel oil with heating value of 140,000 Btu per gallon 3 Boiler-burner unit to be adjusted to achieve +0.10 inches W.C. pressure at flue collar, resulting in positive pressure in firebox as listed. 4 All settings and pressures shown are for initial start-up. Final values should be confirmed with combustion analysis. 5 Light Oil Control Systems: • OO: On - Off operation. Single-position air damper. • LFS: On-off operation, low fire start, high fire run. Two position air, two position oil. • LHL: Low-high-low-off firing conditions - two position air & fuel controlled by separate motor, open damper pre-purge. • MOD: On-off operation with proven low fire start and full modulating firing conditions. Proportional motor drives fuel metering valve and combustion air damper according to firing conditions, open damper prepurge. 6 120/60/1 control circuit is used for all burners 7 All 3 phase models require a separate 120/60/1 control voltage supply. 8 Two stage units require a single SPDT controller for LHL firing rate operation. 9 Models 780 through 1280 require a 120v bumping type signal or PID control type for modulation. 10 Models 780 through 1280 include a motor relay or contactor 11 Combustion Controls: • Riello model 530 SE/C electro-mechanical combination flame safeguard control/ignition transformer monitors the oil burner flame with cad-cell, provides interrupted ignition and pre-purge. Post purge relay option available upon request. • Siemens LAL 2.25 flame safeguard control monitors the oil burner flame with visual diagnostic window, provides prepurge and post purge, provides switching necessary to allow firing rate motor to be driven to both low fire and high fire positions, prevent start up if pre-ignition interlocks are open and has low fire start proven circuit. In the event preignition interlock circuit or running interlock circuit does not “prove”, system will lock out on safety. Infra red detector is standard. 12 Other flame safeguards make and models available upon request on models 780 through 1280. 13 Burners will be completely assembled and wired and factory tested fired. 14 R Series Burners listed by Underwriters Laboratories, Inc. for the US and Canada, Fire Marshall Commonwealth of Massachusetts, City of New York MEA and others. 15 40 Series F Burners listed by Underwriters Laboratories, Inc. for the US, Fire Marshall Commonwealth of Massachusetts, City of New York MEA, CSA and others. 16 Special controls can be provided to meet other code requirements not listed. Consult local Weil-McLain distributor/agent or sales offices. 17 All models will be provided with direct spark ignition. Electric gas pilot is not available. 18 40 Series F burner motors run a...
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