750-177 2-1
CHAPTER 2
Profire V Burner
A. Introduction 2-1
B. Firing Head 2-4
C. Oil System 2-4
D. Gas System 2-7
E. Installation 2-9
F. Startup and Operation 2-19
G. Adjustments 2-26
H. Gas System 2-34
I. Oil System 2-37
J. Combination Gas-Oil System 2-39
K. Modulation Control 2-40
L. Air and Fuel Controls 2-42
M. Maintenance 2-43
N. Troubleshooting 2-50
O. Burner Specs 2-53
A. Introduction
V series burners are assembled, wired, and tested at the factory. They are listed by the Underwriters
Laboratory (UL), CSD-1, NFPA-85, Factory Mutual (FM), including the National Electrical Code (NEC), and
associated insurance underwriters. Where applicable, the Canadian Gas Association (CGA) B149 and the
Canadian Standards Association (CSA) B140 codes shall prevail. Other regulatory agency control options are
available.
ONLY FACTORY AUTHORIZED BURNER SER-
VICE PERSONNEL SHOULD START UP, ADJUST,
OR SER
VICE THIS EQUIPMENT.
DESCRIPTION
The V series burners are designed to operate with natural gas and
light oil. The burners are designed for
automatic, unattended operation except for periodic inspection and maintenance. The burner and control
panel components require little attention except for occasional cleaning.
Model FLX boilers 150-1200 MBTU use the following size burners:
SIZE 1 - FLX 150-300 (Low-High-Low or Full Modulation)
SIZE 2 - FLX 350-550 (Low-High-Low or Full Modulation)
SIZE 3 - FLX 600 (Low-High-Low
or Full Modulation)
SIZE 3 & 4 - FLX 700-1200 (Full Modulation)
2-1
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