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Form: 2435
Revision: 9
Free Flex Installation and Operation Manual
Date: 9-1-2017
Bryan Steam LLC, 783 N Chili Ave, Peru IN 46970
Web:
www.
bryanboilers
.com
Phone:
765-473-6651
Fax:
765-473-3074
Email:
32
the boiler jacket conforms to Table 6 for
maximum and minimum supply pressure.
4.
Repeat steps 2 and 3 for boiler gas train
components.
4.6
Boiler Commissioning:
All of the installation instructions found in
sections 1 through 3 shall be completed
before commissioning the boiler.
DANGER
Failure to properly adjust excess air will
result in unsafe levels of carbon
monoxide. Variations in venting or
combustion air pressure and temperature
will change excess air. Adjust excess air
levels so that variation in venting or
combustion air pressures and
temperatures caused by change of
seasons, wind conditions, opening or
closing of boiler room doors or windows
do not cause the boiler to operate with
carbon monoxide concentration above 400
parts per million.
1.
Identify boiler water, gas, and electrical
connections, and other safety controls.
2.
Locate manometer pressure taps for
pressure measurements in the following
areas:
a.
Supply gas pressure (ball valve
tapping outside of boiler top jacket
panel)
b.
Stack or flue outlet pressure
3.
Install a gas analyzer probe within 6”
above the boiler flue gas outlet.
4.
Verify the high temperature limit (auto
reset) is set to 200
0
F. (1000 only)
5.
Verify the high and low gas pressure
switch limits.
a.
High gas pressure switch at 1.0” w.c.
b.
Low gas pressure switch at 3.0” w.c.
6.
Menu > Operation > Auto / Manual
Rate Control > Manual (76 password
required)
7.
Switch boiler circuit breaker in the
control panel to the ON Position (1000
only).
8.
Close the manual gas valve between the
automatic gas valve and the blower
inlet.
9.
Cycle the boiler. The boiler should
lockout on gas pressure failure. In this
case it should be the low gas pressure
switch.
10.
Reset the low gas pressure switch and
gas pressure lockout.
11.
Increase the high gas pressure switch
setting to 14” w.c.
12.
Cycle the boiler. The boiler should
lockout on flame failure or ignition
failure. (Boiler may recycle once if there
was an ignition failure. Repeat step 12.)
13.
Reset the flame failure lockout and
decrease the high gas pressure setting to
1” w.c.
14.
Cycle the boiler. The boiler should
lockout on gas pressure. In this case it
will be the high gas pressure switch.
15.
Open the manual gas valve between the
automatic gas valve and the blower
inlet.
16.
Reset the high gas pressure switch and
gas pressure lockout.
17.
Cycle the boiler. The boiler should
establish main flame.
18.
If flame is not established reset the
flame failure lockout and repeat step 17.
(Consult with the factory for assistance
if flame cannot be established after 3
attempts.)
19.
Check that O2 levels are within a safe
operating range. (4.5% to 7.0%)