Weil-McLain Gas Burner User Manual

88

Water & Steam Boilers – Series 2

For Gas, Light Oil, & Gas/Light Oil – Fired Burners

Burner Specification

& Data Sheet

Model WCR Figure 1

A

Power Flame

Gas/Oil Burners

Model WCR

F

S

I

E

C

L

3.13

G

C

L

H

4.00

5/8 Dia., 4 holes

Note : Add .38 to “H” dim for size of opening in boiler front plate.

Burner

Model Number

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

A B(R) C(R) D E F* G H I S X

* Required for installation of standard control components

X

X

Part No. 550-142-029/0508

C(R)

C

L

B(R)

D

Approximate

Weight

Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners

Burner specifications and settings

Burner dataTable 1

Boiler
Model

Number

488R

488

588

688

788

888

988R

988

1088R

1088

1188

1288

1388

1488

1588

1688R

1688

1788

1888

Burner Input

No. 2 Oil

Gph

6.9 996

7.0 1,010

9.4 1,356

11.8 1,701

14.2 2,046

16.6 2,382

17.2 2,482

18.8 2,737

20.0 2,887

21.5 3,082

23.5 3,428

26.0 3,773

28.5 4,119

31.0 4,464

33.0 4,809

34.5 4,979

35.5 5,155

38.0 5,494

40.5 5,845

Positive

Pressure

In Firebox

Gas

In. W.C.

Mbh

0.80 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS

0.80 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS

0.58 WCR1-G-12 WCR1-OS WCR1-GO-12 RM7897A R7184P RM7897C OO FALFS OO/FALFS

0.46 WCR2-G-15 WCR2-OAS WCR2-GO-15 RM7897A R7184P RM7897C LHO LHO LHO/LHO

0.47 WCR2-G-15 WCR2-OAS WCR2-GO-15 RM7897A R7184P RM7897C LHO LHO LHO/LHO

0.49 WCR2-G-20A WCR2-OBS WCR2-GO-20A RM7897A R7184P RM7897C LHO LHO LHO/LHO

0.50 WCR2-G-20B WCR2-OBS WCR2-GO-20B RM7897A R7184P RM7897C LHO LHO LHO/LHO 1 1 1 240/60/1

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

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

0.73 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 240/60/1

0.53 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*

0.48 WCR3-G-20 WCR3-O WCR3-GO-20 RM7897C RM7897A RM7897C LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*

0.56 WCR3-G-25 WCR3-O WCR3-GO-25 RM7897C RM7840L RM7840L LHO LHO LHO/LHO 1Z\x 2 2 3-Phase*

0.58 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*

0.59 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*

0.80 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*

0.80 WCR3-G-25B WCR3-OB WCR3-GO-25B RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 3 3 3-Phase*

0.62 WCR4-G-25 WCR4-OA WCR4-GO-25 RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 5 5 3-Phase*

0.69 WCR4-G-25 WCR4-OA WCR4-GO-25 RM7840L RM7840L RM7840L LHO LHO LHO/LHO 3 5 5 3-Phase*

Gas Light

Standard

Burner Model Designation

Gas/Light Oil

Oil

* 208/60/3, 240/60/3, 480/60/3 burner motor voltage must be specified.

Standard

Combustion Control

Gas Light

Oil

Gas/Light

Oil

Standard

Control System

Gas Light

Oil

Gas/Light

Oil

Burner Motor

3450 Rpm

Gas Light

Oil

Z\x Z\x Z\x

Z\x Z\x Z\x

Z\x Z\x Z\x

Z\x C\v C\v

Z\x C\v C\v

C\v

1 1 240/60/1

Gas/

Light

Oil

Standard

Motor

Voltage

120/60/1

120/60/1

120/60/1

120/60/1

120/60/1

Notes for Table 1 and Table 2

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 140,000 2.
Btu per gallon.

Gas ratings based on natural gas with heating value of 1,000 Btu per 3.
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. pressure 4.
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 be 6.
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 488R 9.

and 488.
Airflow safety switch is standard for all gas and combination gas/light 10.

oil units.
Burners will be completely assembled and wired (except gas train) and 11.

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.

2 Part No. 550-142-029/0508

Special controls can be provided to meet other code requirements 13.
not listed. Consult your local Weil-McLain distributor/agent or sales
office.

Electric gas pilot will be furnished as standard equipment on all gas and 14.
combination gas/light oil units.

Direct spark ignition is standard for light oil units. Direct spark ignition 15.
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.