Weil-McLain RLS - Manual (Page 3)

Burner Specification & Data sheet — Riello Gas/Oil Burners
3 Part No. 550-142-023/0508
Burner data — #2 Fuel oil/Natural gas — Modulating Table 2
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 Inches W.C Note 16 Gas/Oil H.P.
488R 6.90 996 0.89 RLS28 LFL 1.335 LHL/LHL 1/2 120/60/1
488 7.00 1010 1.00 RLS28 LFL 1.335 LHL/LHL 1/2 120/60/1
588 9.40 1357 0.84 RLS38 LFL 1.335 LHL/LHL 1/2 120/60/1
688 11.80 1703 0.72 RLS50 LFL 1.335 LHL/LHL 3/4 3 phase*
788 14.20 2049 0.65 RLS50 LFL 1.335 LHL/LHL 3/4 3 phase*
888 16.60 2396 0.85 RLS70 LFL 1.335 MOD/LHL 1 1/2 3 phase*
988R 17.20 2482 0.80 RLS70 LFL 1.335 MOD/LHL 1 1/2 3 phase*
988 18.80 2713 0.80 RLS70 LFL 1.335 MOD/LHL 1 1/2 3 phase*
1088R 20.00 2887 0.82 RLS70 LFL 1.335 MOD/LHL 1 1/2 3 phase*
1088 21.50 3103 0.82 RLS100 LFL 1.335 MOD/LHL 2 1/2 3 phase*
1188 23.50 3392 0.82 RLS100 LFL 1.335 MOD/LHL 2 1/2 3 phase*
1288 26.00 3753 0.81 RLS100 LFL 1.335 MOD/LHL 2 1/2 3 phase*
1388 28.50 4113 0.89 RLS100 LFL 1.335 MOD/LHL 2 1/2 3 phase*
1488 31.00 4474 0.86 RLS130 LFL 1.335 MOD/LHL 3 3 phase*
1588 33.00 4763 0.86 RLS130 LFL 1.335 MOD/LHL 3 3 phase*
1688R 34.50 4979 0.863 RLS130 LFL 1.335 MOD/LHL 3 3 phase*
1688 35.50 5124 0.83 RLS130 LFL 1.335 MOD/LHL 3 3 phase*
*208/60/3, 240/60/3, 480/60/3, 575/60/3 burner motor voltage must be specified
Gas control components and sizes Table 3
Boiler
Model
Number
Manual
Hand Valve
Low Gas
Pressure Switch
Gas
Pressure Regulator
Operating
Gas Valve
Operating Gas
Valve (with Proof Of
Closure)
Safety
Gas Valve
Manual
Checking Gas Valve
High Gas
Pressure Switch
Inches Inches Inches Inches Inches
488R – 588 1 1/2 Standard 1 1/2 1 1/2 Optional 1 1/2 1 1/2 Standard
688 – 1088 2 Standard 2 2 Optional 2 2 Standard
1188 – 1288 2 1/2 Standard 2 1/2 2 1/2 Optional 2 1/2 2 1/2 Standard
1388 – 1688 3 Standard 3 3 Optional 3 3 Standard
Burner specifications and settings
(continued)
Notes for Table 1, Table 2 and Table 3
(continued)
be driven to both low fire and high fire positions, prevent start up if
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.
Other flame safeguards available upon request. 17.
Control circuit transformer is available as an option. 18.
Airflow safety switch is standard for all gas and combination gas/light 19.
oil units.
Burners will be completely assembled and wired (except gas train) and
20.
factory test-fired.
Burners listed by Underwriters Laboratories, Inc., state of Connecticut, Fire 21.
Marshal state of Massachusetts, city of New York MEA, and others.
Special controls can be provided to meet other code requirements not listed.
22.
Consult your local Weil-McLain distributor/agent or sales office.
Electric gas pilot will be furnished as standard equipment on all combina-
23.
tion gas/light oil units.
Direct spark ignition is available as an option for combination gas/light oil
24.
units. Consult your local Weil-McLain distributor/agent or sales office.