Weil McLain Burner RLS User Manual

88  
Water & Steam Boilers – Series 2  
For Gas, Light Oil, & Gas/Light Oil – Fired Burners  
Burner Specification  
& Data Sheet  
Riello  
Gas/Oil Burners  
Model RLS  
Figure 1 Model RLS28 – 50 dimensions  
Figure 2 Model RLS70 – 190 dimensions  
Burner Model Number  
A
B
C
D
E
F
G
H
I
L
M
Approx. Wt. (pounds)  
RLS28  
RLS38  
RLS50  
18.75  
18.75  
18.75  
18.69  
18.69  
18.69  
22.88  
22.88  
22.88  
8.50  
8.50  
8.50  
5.50  
5.50  
5.50  
13.88  
13.88  
13.88  
6.44  
6.44  
6.44  
31.88  
31.88  
31.88  
4.25  
4.25  
4.25  
6.63  
6.63  
6.63  
1.50  
1.50  
1.50  
95  
99  
101  
A
B
C
D
E
F
G
H
I
L
M
N
O
Burner Model Number  
Approx. Wt. (pounds)  
RLS70  
27.50  
28.88  
28.88  
11.38  
12.75  
12.75  
16.13  
16.13  
16.13  
21.88  
21.88  
21.88  
33.13  
33.13  
33.13  
9.88  
7.06  
7.06  
7.44  
16.94  
45.75  
45.75  
45.75  
8.44  
8.44  
8.44  
5.31  
5.31  
5.31  
8.75  
8.75  
8.75  
2.00  
2.00  
2.00  
159  
165  
170  
RLS100  
RLS130  
9.88  
9.88  
16.94  
16.94  
Part No. 550-142-023/0508  
 
Burner Specification & Data sheet — Riello Gas/Oil Burners  
Burner specifications and settings (continued)  
Table 2  
Burner data — #2 Fuel oil/Natural gas — Modulating  
Boiler Model  
Number  
Burner Input  
Positive  
Pressure in  
Firebox  
Standard Burner  
Model Designation  
Standard  
Combustion  
Control  
Standard Control  
System  
Burner Motor  
3400 RPM  
Standard Motor  
Voltage  
No. 2 Oil  
Gas  
GPH  
MBH  
996  
Inches W.C  
0.89  
1.00  
0.84  
0.72  
0.65  
0.85  
0.80  
0.80  
0.82  
0.82  
0.82  
0.81  
0.89  
0.86  
0.86  
0.863  
0.83  
Note 16  
Gas/Oil  
H.P.  
1/2  
488R  
488  
6.90  
RLS28  
RLS28  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LFL 1.335  
LHL/LHL  
LHL/LHL  
LHL/LHL  
LHL/LHL  
LHL/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
MOD/LHL  
120/60/1  
120/60/1  
120/60/1  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
3 phase*  
7.00  
1010  
1357  
1703  
2049  
2396  
2482  
2713  
2887  
3103  
3392  
3753  
4113  
4474  
4763  
4979  
5124  
1/2  
588  
9.40  
RLS38  
1/2  
688  
11.80  
14.20  
16.60  
17.20  
18.80  
20.00  
21.50  
23.50  
26.00  
28.50  
31.00  
33.00  
34.50  
35.50  
RLS50  
3/4  
788  
RLS50  
3/4  
888  
RLS70  
1 1/2  
1 1/2  
1 1/2  
1 1/2  
2 1/2  
2 1/2  
2 1/2  
2 1/2  
3
988R  
988  
RLS70  
RLS70  
1088R  
1088  
1188  
1288  
1388  
1488  
1588  
1688R  
1688  
RLS70  
RLS100  
RLS100  
RLS100  
RLS100  
RLS130  
RLS130  
RLS130  
RLS130  
3
3
3
*208/60/3, 240/60/3, 480/60/3, 575/60/3 burner motor voltage must be specified  
Table 3  
Gas control components and sizes  
Boiler  
Model  
Number  
Manual  
Hand Valve  
Low Gas  
Pressure Switch  
Gas  
Operating  
Gas Valve  
Operating Gas  
Valve (with Proof Of  
Closure)  
Safety  
Gas Valve  
Manual  
High Gas  
Pressure Regulator  
Checking Gas Valve Pressure Switch  
Inches  
1 1/2  
2
Inches  
1 1/2  
2
Inches  
1 1/2  
2
Inches  
1 1/2  
2
Inches  
Standard  
Standard  
Standard  
Standard  
Optional  
Optional  
Optional  
Optional  
1 1/2  
2
Standard  
Standard  
Standard  
Standard  
488R – 588  
688 – 1088  
1188 – 1288  
1388 – 1688  
2 1/2  
3
2 1/2  
3
2 1/2  
3
2 1/2  
3
2 1/2  
3
Notes for Table 1, Table 2 and Table 3 (continued)  
be driven to both low fire and high fire positions, prevent start up if 21. Burners listed by Underwriters Laboratories,Inc.,state of Connecticut,Fire  
pre-ignition interlocks are open and has low fire start proven circuit.  
In the event pre-ignition interlock circuit or running interlock circuit  
does not “prove, system will lock out on safety. Ultra violet sensitive  
electronic flame detector is standard.  
Marshal state of Massachusetts, city of New York MEA, and others.  
22. Special controls can be provided to meet other code requirements not listed.  
Consult your local Weil-McLain distributor/agent or sales office.  
23. Electric gas pilot will be furnished as standard equipment on all combina-  
tion gas/light oil units.  
24. Direct spark ignition is available as an option for combination gas/light oil  
units. Consult your local Weil-McLain distributor/agent or sales office.  
17. Other flame safeguards available upon request.  
18. Control circuit transformer is available as an option.  
19. Airflow safety switch is standard for all gas and combination gas/light  
oil units.  
20. Burners will be completely assembled and wired (except gas train) and  
factory test-fired.  
Part No. 550-142-023/0508  
3
 
Weil-McLain 88 Water and Steam Boilers — Series 2 — For Gas, Light Oil, & Gas/Light Oil-Fired Burners  
4
Part No. 550-142-023/0508  
 

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