88
Water & Steam Boilers – Series 2
For Gas, Light Oil, & Gas/Light Oil – Fired Burners
Burner Specification
& Data Sheet
Power Flame
Gas/Oil Burners
Model WCR
Figure 1 Model WCR
A
F
E
C
L
S
3.13
C(R)
I
G
C
C
L
L
H
X
B(R)
D
4.00
5/8Dia.,4holes
X
Note: Add .38to“H”dimforsizeofopeninginboilerfrontplate.
Burner
Model Number
Approximate
A
B(R)
C(R)
D
E
F*
G
H
I
S
X
Weight
175-200
220-300
360-400
500-550
WCR1
WCR2
WCR3
WCR4
34.13
39.13
44.00
50.00
5.56
6.13
7.00
7.31
14.50
14.00
15.25
17.69
4.63
5.25
6.00
7.00
12.25
14.00
16.00
18.50
20.00
20.00
22.38
28.00
3.25
4.00
5.00
6.00
7.25
8.75
7.38
8.50
12.63
13.38
15.50
19.13
7.25
8.50
10.13
12.13
11.50
14.25
10.00
12.00
* Required for installation of standard control components
Part No. 550-142-029/0508
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Burner Specification & Data sheet — Power Flame Gas/Oil Burners — Model WCR
(continued)
Burner specifications and settings
Table 2
Gas train components and flame safeguards
Gas Pressure
Initial Low Fire
Required At Gas
Control Inlet
Inches W.C.*
Fuel Unit Data Burner-
Motor Driven
Oil Nozzle
(One Per Unit)
Oil Pressures
Psig
Pressure
Damper Setting
Inches
Manifold
Pressure
Inches
Boiler Drop Thru
Model Gas Train
Number Inches
W.C.
3450 Rpm
Approximate Return
Gph @ Bypass
Top Bottom 100 Oil
Psig System
Pump High Fire
Capacity Pump
W.C.*
Spray
Angle
Gear
Psig
Min
Max
Brand**
Type
Type
Gph
Psig
Pressure
High Fire Low Fire
488R
488
2.20
2.20
1.80
2.70
2.50
3.90
4.60
4.50
4.90
4.00
3.30
4.10
3.50
4.70
5.30
5.80
6.20
6.50
7.10
2.10
2.10
2.60
1.70
2.30
1.20
1.60
1.90
2.00
2.30
2.10
2.50
2.70
3.60
3.90
4.10
4.40
2.80
3.20
4.10
4.30
4.40
4.40
4.80
5.10
6.20
6.40
6.90
6.30
5.40
6.50
6.20
8.20
9.20
14.00
14.00
14.00
14.00
14.00
14.00
14.00
14.00
14.00
14.00
14.00
14.00
27.70
27.70
27.70
M\,
M\,
1
M\,
M\,
1
4.50
4.50
5.50
7.00
8.50
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Delavan
Delavan
Delavan
Delavan
Delavan
Delavan
Monarch
Delavan
Monarch
Del. Variflo
Del. Variflo
Del. Variflo
Del. Variflo
Del. Variflo
Del. Variflo
Del. Variflo
Del. Variflo
Hago
Solid
Solid
Solid
Solid
Solid
Solid 70°***
PLP 60°
Solid 70°***
PLP
BPS
BPS
BPS
BPS
BPS
BPS
BPS
BPS
BPS
BPS
80°
80°
80°
80°
70°
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
300
295
300
300
300
300
300
300
280
290
225
295
290
244
280
290
295
295
300
300
—
—
—
100-150 B2TA-8850-4
100-150 B2TA-8850-4
37
37
37
43
43
43
47
47
47
105
105
105
105
105
105
135
135
135
135
588
100-150 B2TA-8850-4
100-150 B2TA-8851-4
100-150 B2TA-8851-4
100-150 B2GA-8852
80-100 B2GA-8852
80-100 B2GA-8852
80-100 B2GA-8852
100-150 22R322D
688
C\,
C\,
C\,
C\,
C\,
C\,
C\,
C\,
C\,
C\,
Z\v
Z\v
Z\v
Z\v
Z\v
Z\v
C\,
C\,
C\,
C\,
C\,
C\,
C\,
183
195
210
110
135
140
150
140
133
166
180
165
175
155
165
175
788
888
9.50
988R
988
10.00
11.00
12.00
16.00
1088R
1088
1188
1288
1388
1488
1588
1688R
1688
1788
1888
60°
80°
80°
80°
80°
80°
60°
60°
60°
60°
60°
C\, (fixed) 14.00
C\, (fixed) 16.00
50-108
50-110
60-108
22R322D
22R322D
22R322D
C\,
Z\v
Z\v
Z\v
Z\v
Z\v
Z\v
18.00
20.00
22.00
22.00
22.00
24.00
26.00
100-150 22R623D
100-150 22R623D
100-150 22R623D
100-150 22R623D
100-150 22R623D
100-150 22R623D
10.50 27.70
10.50 27.70
9.30
27.70
10.30 27.70
Hago
*
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
Low Gas
Pressure
Switch
Gas
Pressure
Regulator
Optional
Optional
Optional
Optional
Optional
2
Combination
Gas Valve And
Motorized
Operating
Gas Valve
Optional
Optional
1Z\v
1Z\x
1Z\x
1Z\x
2
Motorized Operating
Gas Valve
(With Proof Of Closure)
Optional
Manual
Checking
Gas Valve
High
Gas Pressure
Switch
Boiler Model Manual Hand
Safety
Gas Valve
Number
Valve
Regulator
1Z\v
1Z\v
1Z\v
1Z\x
1Z\x
—
488R-488
588
1Z\v
1Z\v
1Z\v
1Z\x
2
Optional
Optional
Optional
Optional
Optional
Optional
Standard
Standard
Standard
Standard
1Z\v
1Z\v
*
1Z\v
1Z\v
1Z\v
1Z\x
1Z\x
1Z\x
1Z\x
2
Optional
Optional
Optional
Optional
Optional
Optional
Standard
Standard
Standard
Standard
Optional
688
Optional
788
Optional
*
888
Optional
*
988R
2
Optional
1Z\x
1Z\x
2
988-1088R
1088
2
2
—
Optional
2
2
—
2
Optional
1188-1588
1688R-1888
2
2
—
2
Optional
2
2
2
2
—
—
2
2
2
* Combination operating gas valve and regulator also serves as safety gas valve.
17. Light Oil Control Systems:
18. Gas/Light Oil Control Systems:
OO/FALFS Combines gas and light oil characteristics
FALFS
On-off operation, fixed air, reduced fuel low fire start, high fire run. Single-
position air, two-position oil.
listed above.
OO/OO
Combines gas and light oil characteristics
listed above.
OO
On-off operation, low fire start, high fire run. Single-position air, single-position
oil.
LHO/LHO Combines gas and light oil characteristics
listed above. Open damper pre-purge on
1388-1888.
LHO
LHL
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.
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.
LHL/LHL Combines gas and light oil characteristics
listed above. 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.
MOD/MOD Combines gas and light oil characteristics
listed above. Open damper pre-purge on
1388-1888.
Part No. 550-142-029/0508
3
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Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners
(continued)
Burner specifications and settings
Table 3
Flame safeguards
Flame Safeguards Provided with Listed Control Systems by Code
GAS BURNERS
Boiler
Model
Number
UL
FM
CSD-1
LHO LHL
IRI
OO
LHO
LHL
MOD
OO
LHO
LHL
MOD
OO
MOD
OO
LHO
LHL
MOD
488R-588
688-988R
988-1388
1488-1888
RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897C RM7897C RM7897C RM7840L
—
—
—
RM7897A RM7897A RM7897A
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897A RM7897A RM7897A
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897A RM7897A RM7897A
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897C RM7897C RM7840L
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
LIGHT OIL BURNERS
FM
Boiler
Model
Number
UL
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
R7184P R7184P R7184P R7184P R7184P R7184P R7184P R7184P RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7897A RM7840L
488-588
688-1088R
1088-1288
1388-1888
—
—
—
R7184P R7184P R7184P
RM7897A RM7897A RM7840L
RM7840L RM7840L RM7840L
—
—
—
R7184P R7184P R7184P
RM7897A RM7897A RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897A RM7897A RM7897A
RM7897A RM7897A RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897A RM7897A RM7840L
RM7897A RM7897A 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
688-988R
988-1288
1388-1888
RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7897C RM7840L
—
—
—
RM7897C RM7897C RM7897C
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897C RM7897C RM7897C
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897C RM7897C RM7897C
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
—
—
—
RM7897C RM7897C RM7840L
RM7897C RM7897C RM7840L
RM7840L RM7840L RM7840L
Notes for Table 3
1. Combustion Controls:
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
RM7800L, E110/EP160
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.
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.
4
Part No. 550-142-029/0508
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