Weil-McLain Gas Burner User manual

Part No. 550-142-029/0508
Burner Specification
& Data Sheet
Water & Steam Boilers – Series 2
88
Burner
Model Number A B(R) C(R) D E F* G H I S X Approximate Weight
WCR1 34.13 5.56 14.50 4.63 12.25 20.00 3.25 7.25 7.38 12.63 7.25 175-200
WCR2 39.13 6.13 14.00 5.25 14.00 20.00 4.00 8.75 8.50 13.38 8.50 220-300
WCR3 44.00 7.00 15.25 6.00 16.00 22.38 5.00 10.13 11.50 15.50 10.00 360-400
WCR4 50.00 7.31 17.69 7.00 18.50 28.00 6.00 12.13 14.25 19.13 12.00 500-550
* Required for installation of standard control components
Model WCRFigure 1
4.00
A
S
I
H
G
F
X
5/8 Dia., 4 holes X
E
3.13
Note: Add .38 to “H” dim for size of opening in boiler front plate.
D
C(R)
B(R)
C
L
C
LC
L
Power Flame
Gas/Oil Burners
Model WCR
For Gas, Light Oil, & Gas/Light Oil – Fired Burners

Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners
2 Part No. 550-142-029/0508
Burner dataTable 1
Boiler
Model
Number
Burner Input Positive
Pressure
In Firebox
In. W.C.
Standard
Burner Model Designation
Standard
Combustion Control
Standard
Control System
Burner Motor
3450 Rpm Standard
Motor
Voltage
No. 2 Oil
Gph
Gas
Mbh
Gas Light
Oil Gas/Light Oil Gas Light Oil
Gas/Light
Oil
Gas Light
Oil
Gas/Light
Oil
Gas Light
Oil
Gas/
Light
Oil
488R 6.9 996 0.80 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS Z\x Z\x Z\x 120/60/1
488 7.0 1,010 0.80 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS Z\x Z\x Z\x 120/60/1
588 9.4 1,356 0.58 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS Z\x Z\x Z\x 120/60/1
688 11.8 1,701 0.46 WCR2-G-15 WCR2-OAS WCR2-GO-15 RM7897A R7184P RM7897C LHO LHO LHO/LHO Z\x C\v C\v 120/60/1
788 14.2 2,046 0.47 WCR2-G-15 WCR2-OAS WCR2-GO-15 RM7897A R7184P RM7897C LHO LHO LHO/LHO Z\x C\v C\v 120/60/1
888 16.6 2,382 0.49 WCR2-G-20A WCR2-OBS WCR2-GO-20A RM7897A R7184P RM7897C LHO LHO LHO/LHO C\v 1 1 240/60/1
988R 17.2 2,482 0.50 WCR2-G-20B WCR2-OBS WCR2-GO-20B RM7897A R7184P RM7897C LHO LHO LHO/LHO 1 1 1 240/60/1
988 18.8 2,737 0.50 WCR2-G-20B WCR2-OBS WCR2-GO-20B RM7897C R7184P RM7897C LHO LHO LHO/LHO 1 1Z\x 1Z\x 240/60/1
1088R 20.0 2,887 0.52 WCR2-G-20B WCR2-OBS WCR2-GO-20B RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1 1Z\x 1Z\x 240/60/1
1088 21.5 3,082 0.73 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 240/60/1
1188 23.5 3,428 0.53 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*
1288 26.0 3,773 0.48 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*
1388 28.5 4,119 0.56 WCR3-G-25 WCR3-O WCR3-GO-25 RM7897C RM7840L RM7840L LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*
1488 31.0 4,464 0.58 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*
1588 33.0 4,809 0.59 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*
1688R 34.5 4,979 0.80 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*
1688 35.5 5,155 0.80 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*
1788 38.0 5,494 0.62 WCR4-G-25 WCR4-OA WCR4-GO-25 RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 5 5 3-Phase*
1888 40.5 5,845 0.69 WCR4-G-25 WCR4-OA WCR4-GO-25 RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 5 5 3-Phase*
* 208/60/3, 240/60/3, 480/60/3 burner motor voltage must be specified.
Burner specifications and settings
Burner capacities listed for elevations up to 2,000 feet. For higher eleva-1.
tions, consult local Weil-McLain distributor/agent or sales office.
Light oil ratings based on No. 2 fuel oil with heating value of 140,0002.
Btu per gallon.
Gas ratings based on natural gas with heating value of 1,000 Btu per3.
cubic foot and specific gravity of 0.60. Gas burners for other gases are
available. Consult local Weil-McLain distributor/agent or sales office.
Boiler-burner unit to be adjusted to achieve +0.10 inches W.C. pressure4.
at the flue collar, resulting in positive pressure in firebox as listed.
Minimum gas pressures listed are subject to variations due to job condi-5.
tions. Gas burners for other gas pressures are available. Consult local
Weil-McLain distributor/agent or sales office.
Tee pressures shown are for initial start-up. Final pressure should be6.
determined after checking actual gas flow and combustion readings.
120/60/1 control circuit is used for all burners.7.
Control circuit transformer is available as an option.8.
Motor relay or contactor will be furnished for all units, except 488R9.
and 488.
Airflow safety switch is standard for all gas and combination gas/light10.
oil units.
Burners will be completely assembled and wired (except gas train) and11.
factory test-fired.
Burners listed by Underwriters Laboratories, Inc., state of Connecti-12.
cut, Fire Marshal state of Massachusetts, city of New York MEA, and
others.
Special controls can be provided to meet other code requirements13.
not listed. Consult your local Weil-McLain distributor/agent or sales
office.
Electric gas pilot will be furnished as standard equipment on all gas and14.
combination gas/light oil units.
Direct spark ignition is standard for light oil units. Direct spark ignition15.
is available as an option for combination gas/light oil units. Consult
your local Weil-McLain distributor/agent or sales office.
Gas Control Systems:16.
OO On-off operation, low fire start, high fire run. Single-position
air, adjustable opening gas valve.
LHO On-off operation, low fire start, high fire run. 488-1388:
two-position air controlled by damper arm on motorized gas
valve, fixed damper pre-purge. 1488-1888: two-position air
controlled by separate motor, open damper pre-purge.
LHL Low-high-low-off firing conditions. 488-1388: two-position
air controlled by damper arm on motorized gas valve, fixed
damper pre-purge. 1488-1888: two-position air controlled by
separate motor, open damper pre-purge.
MOD On-off operation,with proven low fire start and full modulating
firing conditions with combustion air control. Proportional
motor drives fuel metering valve and combustion air damper
according to the firing conditions. Fixed damper pre-purge on
488-1388, open damper pre-purge on 1488-1888.
Notes for Table 1 and Table 2

Burner Specification & Data sheet — Power Flame Gas/Oil Burners — Model WCR
3Part No. 550-142-029/0508
Burner specifications and settings (continued)
Gas train components and flame safeguardsTable 2
Boiler
Model
Number
Pressure
Drop Thru
Gas Train
Inches
W.C.
Manifold
Pressure
Inches
W.C.*
Gas Pressure
Required At Gas
Control Inlet
Inches W.C.*
Initial Low Fire
Damper Setting
Inches
Oil Nozzle
(One Per Unit)
Oil Pressures
Psig
Fuel Unit Data Burner-
Motor Driven
3450 Rpm
Min Max Top Bottom
Gph @
100
Psig
Bypass
Oil
System
Brand** Type Spray
Angle
Pump
Capacity
Psig
High Fire
Pump
Pressure
Approximate Return
Psig Type Gear
Gph
High Fire Low Fire
488R 2.20 2.10 4.10 14.00 M\, M\, 4.50 No Delavan Solid 80° 300 295 — 100-150 B2TA-8850-4 37
488 2.20 2.10 4.30 14.00 M\, M\, 4.50 No Delavan Solid 80° 300 300 — 100-150 B2TA-8850-4 37
588 1.80 2.60 4.40 14.00 1 1 5.50 No Delavan Solid 80° 300 300 — 100-150 B2TA-8850-4 37
688 2.70 1.70 4.40 14.00 C\, C\, 7.00 No Delavan Solid 80° 300 300 183 100-150 B2TA-8851-4 43
788 2.50 2.30 4.80 14.00 C\, C\, 8.50 No Delavan Solid 70° 300 300 195 100-150 B2TA-8851-4 43
888 3.90 1.20 5.10 14.00 C\, C\, 9.50 No Delavan Solid 70°*** 300 300 210 100-150 B2GA-8852 43
988R 4.60 1.60 6.20 14.00 C\, C\, 10.00 No Monarch PLP 60° 300 300 110 80-100 B2GA-8852 47
988 4.50 1.90 6.40 14.00 C\, C\, 11.00 No Delavan Solid 70°*** 300 280 135 80-100 B2GA-8852 47
1088R 4.90 2.00 6.90 14.00 C\, C\, 12.00 No Monarch PLP 60° 300 290 140 80-100 B2GA-8852 47
1088 4.00 2.30 6.30 14.00 C\, C\, 16.00 Yes Del. Variflo BPS 80° 300 225 150 100-150 22R322D 105
1188 3.30 2.10 5.40 14.00 C\, C\, (fixed) 14.00 Yes Del. Variflo BPS 80° 300 295 140 50-108 22R322D 105
1288 4.10 2.50 6.50 14.00 C\, C\, (fixed) 16.00 Yes Del. Variflo BPS 80° 300 290 133 50-110 22R322D 105
1388 3.50 2.70 6.20 27.70 C\, C\, 18.00 Yes Del. Variflo BPS 80° 300 244 166 60-108 22R322D 105
1488 4.70 3.60 8.20 27.70 Z\v Z\v 20.00 Yes Del. Variflo BPS 80° 300 280 180 100-150 22R623D 105
1588 5.30 3.90 9.20 27.70 Z\v Z\v 22.00 Yes Del. Variflo BPS 60° 300 290 165 100-150 22R623D 105
1688R 5.80 4.10 10.50 27.70 Z\v Z\v 22.00 Yes Del. Variflo BPS 60° 300 295 175 100-150 22R623D 135
1688 6.20 4.40 10.50 27.70 Z\v Z\v 22.00 Yes Del. Variflo BPS 60° 300 295 155 100-150 22R623D 135
1788 6.50 2.80 9.30 27.70 Z\v Z\v 24.00 Yes Hago BPS 60° 300 300 165 100-150 22R623D 135
1888 7.10 3.20 10.30 27.70 Z\v Z\v 26.00 Yes Hago BPS 60° 300 300 175 100-150 22R623D 135
* Gas pressure shown are for standard gas train arrangement ** Primary manufacturer. For alternate nozzles, contact Power-Flame
*** 70° spray angle standard, 60° or 80° approved and available upon request
Standard Gas Control Components And Sizes In Inches
Boiler Model
Number
Manual Hand
Valve
Low Gas
Pressure
Switch
Gas
Pressure
Regulator
Combination
Gas Valve And
Regulator
Motorized
Operating
Gas Valve
Motorized Operating
Gas Valve
(With Proof Of Closure)
Safety
Gas Valve
Manual
Checking
Gas Valve
High
Gas Pressure
Switch
488R-488 1Z\v Optional Optional 1Z\v Optional Optional 1Z\v 1Z\v Optional
588 1Z\v Optional Optional 1Z\v Optional Optional 1Z\v 1Z\v Optional
688 1Z\v Optional Optional 1Z\v 1Z\v Optional * 1Z\v Optional
788 1Z\x Optional Optional 1Z\x 1Z\x Optional * 1Z\x Optional
888 2 Optional Optional 1Z\x 1Z\x Optional * 1Z\x Optional
988R 2 Optional 2 — 1Z\x Optional 1Z\x 1Z\x Optional
988-1088R 2 Standard 2 — 2 Optional 1Z\x 1Z\x Standard
1088 2 Standard 2 — 2 Optional 2 2 Standard
1188-1588 2 Standard 2 — 2 Optional 2 2 Standard
1688R-1888 2 Standard 2 — — 2 2 2 Standard
* Combination operating gas valve and regulator also serves as safety gas valve.
Light Oil Control Systems:17.
FALFS On-off operation, fixed air, reduced fuel low fire start, high fire run. Single-
position air, two-position oil.
OO On-off operation,low fire start, high fire run. Single-position air, single-position
oil.
LHO On-off operation,low fire start, high fire run. Two-position air, two-position oil.
Fixed damper pre-purge on 488-1288, open damper pre-purge on 1388-1888.
LHL Low-high-low-off firing conditions. Two-position air, two-position oil. Fixed
damper pre-purge on 488-1288. Open damper pre-purge on 1388-1888.
MOD On-off operation, with proven low fire start and full modulating firing condi-
tions. Proportional motor drives fuel metering valve and combustion air damper
according to the firing conditions. Fixed damper pre-purge on 488-1088R,open
damper pre-purge on 1088-1888.
Gas/Light Oil Control Systems:18.
OO/FALFS Combines gas and light oil characteristics
listed above.
OO/OO Combines gas and light oil characteristics
listed above.
LHO/LHO Combines gas and light oil characteristics
listed above. Open damper pre-purge on
1388-1888.
LHL/LHL Combines gas and light oil characteristics
listed above. Open damper pre-purge on
1388-1888.
MOD/MOD Combines gas and light oil characteristics
listed above. Open damper pre-purge on
1388-1888.

Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners
4 Part No. 550-142-029/0508
Notes for Table 3
Combustion Controls:1.
R7184P Uses cadmium cell for flame detector to monitor oil burner flame, also furnishes intermittent ignition.
RM7897A, RM7897C Uses ultraviolet electronic flame detector to monitor gas or oil burner flame and provides pre-purge programming. “A” models
provide intermittent pilot; “C” models provide interrupted pilot and RUN/TEST switch. RM7897 provides same as above with
post-purge.
RM7840L, E110/EPD170 Monitors the oil or gas burner flame, provides pre-purge and post-purge programming, provides switching necessary to allow
firing rate motor to be driven to both low fire and high fire positions, prevents start-up if pre-ignition interlocks are open and
has low fire start proving circuit. In the event pre-ignition interlock circuit or running interlock circuit does not “prove”, system
will lock out on safety. Ultraviolet sensitive electronic flame detector is standard with infrared detector available.
RM7800L, E110/EP160 Monitors the oil or gas burner flame with digital readout control system, provides pre-purge and post-purge programming,
provides switching necessary to allow firing rate motor to be driven to both low fire and high fire position, prevents start-up
if pre-ignition interlocks are open and has low fire start proving circuit. In the event pre-ignition interlock circuit or running
interlock circuit does not“prove”, system will lock out on safety. Ultraviolet sensitive electronic flame detector is standard with
infrared detector available.
Burner specifications and settings (continued)
Flame safeguardsTable 3
Flame Safeguards Provided with Listed Control Systems by Code
GAS BURNERS
Boiler
Model
Number
UL FM CSD-1 IRI
OO LHO LHL MOD OO LHO LHL MOD OO LHO LHL MOD OO LHO LHL MOD
488R-588 RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897C RM7897C RM7897C RM7840L
688-988R — RM7897A RM7897A RM7897A — RM7897A RM7897A RM7897A — RM7897A RM7897A RM7897A — RM7897C RM7897C RM7840L
988-1388 — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L
1488-1888 — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L
LIGHT OIL BURNERS
Boiler
Model
Number
UL FM CSD-1 IRI
FALFS LHO LHL MOD FALFS LHO LHL MOD FALFS LHO LHL MOD FALFS LHO LHL MOD
488R R7184P R7184P R7184P R7184P R7184P R7184P R7184P R7184P RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7840L
488-588 R7184P R7184P R7184P R7184P R7184P R7184P R7184P R7184P RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7840L
688-1088R — R7184P R7184P R7184P — R7184P R7184P R7184P — RM7897A RM7897A RM7897A — RM7897A RM7897A RM7840L
1088-1288 — RM7897A RM7897A RM7840L — RM7897A RM7897A RM7840L — RM7897A RM7897A RM7840L — RM7897A RM7897A RM7840L
1388-1888 — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L
COMBINATION GAS/OIL BURNERS
Boiler
Model
Number
UL FM CSD-1 IRI
OO/FALFS LHO LHL MOD OO/FALFS LHO LHL MOD OO/FALFS LHO LHL MOD OO/FALFS LHO LHL MOD
488R-588 RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7840L
688-988R — RM7897C RM7897C RM7897C — RM7897C RM7897C RM7897C — RM7897C RM7897C RM7897C — RM7897C RM7897C RM7840L
988-1288 — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L — RM7897C RM7897C RM7840L
1388-1888 — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L — RM7840L RM7840L RM7840L