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Weil-McLain 88 Water and Steam Boilers — Series 2 — For Light Oil-Fired Burners
2 Part No. 550-142-030/0508
Burner dataTable 1
Boiler
Model
Number
Burner Input
(Forced Draft)
No. 2 Oil
Gph
Low Fire
Firing Rate
No. 2 Oil
Gph
Positive
Pressure In
Firebox
Inches W.C.
Standard
Burner
Model
Designation
Standard
Combustion
Control
Starting
Head
Setting
Approximate
Air Settings
Low Fire
488R 6.90 3.90 0.55 702CRD-W 60200 7/32 5/16
488 7.00 4.00 0.55 702CRD-W 60200 7/32 5/16
588 9.40 5.42 0.61 702CRD-W 60200 13/16 1/2
688 11.80 6.60 0.55 801CRD-W 60200 3/16 1/4
788 14.20 7.00 0.60 801CRD-W 60200 5/8 1/2
888 16.60 8.00 0.85 801CRD-W 60200 1 3/8
988R 17.20 8.90 0.65 1050FFD-W 60200 3/8 3/8
988 18.80 8.92 0.70 1050FFD-W 60200 1/2 1/4
1088R 20.00 9.60 0.70 1050FFD-W 60200 1/2 3/4
1088 21.50 10.10 0.70 1050FFD-W RM7840L-1018 1/2 3/4
1188 23.50 12.00 0.75 1150FFD-W RM7840L-1018 1/4 11/16
1288 26.00 12.54 0.75 1150FFD-W RM7840L-1018 7/16 7/8
1388 28.50 13.44 0.80 1150FFD-W RM7840L-1018 11/16 7/8
1488 31.00 15.10 0.75 1150FFD-W RM7840L-1018 1 1
Burner capacities listed for elevations up to 2,000 feet. For 1.
higher elevations, consult local Weil-McLain distributor/
agent or sales office.
Light oil ratings based on No. 2 fuel oil with heating value of 2.
140,000 Btu per gallon.
Boiler-burner unit to be adjusted to achieve +0.10 inches 3.
W.C. pressure at the flue collar, resulting in positive pressure
in firebox as listed.
Combustion Controls:4.
60200 combustion safety control uses a cadmium sulfide a.
cell flame detector to monitor oil flame; provides inter-
rupted duty, recycle type operation, latch-up feature,
30-second oil valve delay on, 30-second post purge, alarm
contacts and safety monitor circuit.
RM7840L-1018 combustion safety control (for over 20 b.
GPH applications) uses an ultraviolet flame detector to
monitor oil flame and provides purge timings.
All motors furnished with integral overload protection with 5.
manual reset.
Mechanical pressure atomizing oil control system with on/6.
off operation, low fire start, high fire run and two-position
air control is standard. Low-High-Low fire operation can
be obtained by addition of SPST temperature or pressure
controller.
120/60/1 control circuit is used for all burners.7.
Notes for Table 1 and Table 2
Burner specifications and settings