750-177 2-1
CHAPTER 2
Profire V Burner
A. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
B. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5
C. Startup and Operation . . . . . . . . . . . . . . . . . . . . . . .2-17
D. Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-22
E. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-31
F. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .2-35
G. Burner Specs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-39
A. Introduction
CB Profire V/Series burners are assembled, wired, and tested
at the factory. The V/Series burner line is listed by the
Underwriters Laboratory for the U.S. and Canada, and bears
the UL and cUL markings when ordered as such by the
customer. Compliance with other regulatory agencies such as
CSD-1, I.R.I./GE GAP, F.M., etc., is available at time of
order.
Optional controls and control systems are also available. The
operator of this equipment must be familiar with the
individual functioning of all controls to understand the
operations and procedures described in this manual, and
supplementary instructions provided with optional controls.
Identify and locate each item in the illustrations as they are
described in the following sections.
DESCRIPTION
The CB Profire 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 control panel components
require little attention except for occasional cleaning.
The burners are available in the following configurations:
SIZE 1 - V13-34 - On-Off (Optional: Low-High-Off, Low-
High-Low, Full Modulation)
SIZE 2 - V35-55 - Low-High-Off (Optional: Low-High-Low,
Full Modulation)
SIZE3 - V60-63 - Low-High-Off (Optional: Low-High-Low,
Full Modulation)
SIZE 3 & 4 - V70-168 - Full Modulation
OPERATING CONTROLS - PANEL
The burner control panel may be integral to the burner or
remote, and contains a flame safeguard programming control,
motor relays (starters), and terminal strips mounted internally
on a panel subbase. Lights, switches, and a control circuit
breaker are mounted externally on the panel.
1. ON-OFF BURNER SWITCH
2. FUEL SELECTOR SWITCH - Gas-Off-Oil
Gas position: Selects gas as the firing fuel
Off position: Burner off
Oil position: Selects oil as the firing fuel
3. CONTROL CIRCUIT BREAKER
Supplementary low overcurrent protection only. No
larger than 15 amps.
4. AUTO-MANUAL MODULATION SELECTOR
SWITCH
Auto position: Selects boiler modulation control. In this
position, the burner will operate automatically in
response to load demand.
Manual position: Selects 135 ohm potentiometer for
manual modulating control.
5. MANUAL MODULATING CONTROL - 135 ohm
(For full modulation burner only.) Increases or
decreases the burner firing rate.
6. SIGNAL LAMPS
a. POWER ON (white) - Illuminates when the control
circuit is energized (powered).
b. IGNITION (amber) - Illuminates when the ignition
ONLY FACTORY AUTHORIZED BURNER SER-
VICE PERSONNEL SHOULD START UP, ADJUST,
OR SERVICE THIS EQUIPMENT.
!
DANGER
CAUTION
2-1
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