
Power Flame Burner Information
Burner Model Motors
Boiler
Size
Gas and
Gas/#2 Oil
#2 Oil
Blower
HP
emo
e
Oil Pump
HP
Voltage*
Firing
Sequence
Standard UL
Flame
Safe
uard
Size Min. Pres. Max. Pres.
3-100OS C4-30 C4-OB 5.0 0.75 208/460/3 Full Mod RM7840L/UV 2.0/2.5** 14.1" w.c. 1 psig
3-125OS C5-30 C5-O 7.5 1.0 208/460/3 Full Mod RM7840L/UV 2.0/2.5** 14.2" w.c. 1 psig
3-150OS C6-30 C6-O 10.0 1.0 208/460/3 Full Mod RM7840L/UV 3.0 19.5" w.c. 1 psig
3-175OS C7-30 C7-O 15.0 1.0 208/460/3 Full Mod RM7840L/UV 3.0 32.0" w.c. 10 psig
3-200OS C8-30 C8-O 15.0 1.0 208/460/3 Full Mod RM7840L/UV 3.0 40.0" w.c. 10 psig
3-225OS C8-30 C8-O 15.0 1.0 208/460/3 Full Mod RM7840L/UV 3.0 40.0" w.c. 10 psig
* State actual jobsite voltage on order.
** Dual size gas trains: Leak test cock, main gas valve, and auxiliary gas valve are indicated by the first number.
Gas regulator and main shutoff cock are indicated by the second number.
Firing Sequence
Full Mod: Full modulation with proven low fire start, synchronized fuel/air control with modulating motor.
Gas Train
SERIES 3
5/02
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