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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:
8
1.4
Component Description
1.
Touchscreen display. The display
provides easy access for viewing and
adjusting boiler operational parameters,
monitoring historical performance
characteristics and annunciating boiler
alarm/lockout conditions.
2.
Boiler On/Off switch.
3.
Manual gas shutoff valve. The boiler is
equipped with two manual gas shut off
valves, one located on the incoming gas
supply line outside of the boiler, and the
other downstream of the main gas valve.
4.
Main gas supply connection.
5.
Pressure relief valve. The pressure relief
protects the heat exchanger from an over-
pressure condition.
6.
Ducted combustion air flange.
7.
Flue gas vent outlet. The boiler comes
with a standard AL 29-4C® stainless steel
vent connection.
8.
Boiler water flow switch. The boiler
water flow switch is adjustable within the
parameters listed in Table 1.
Settings
Mode Of Operation
Switch
Closed
Switch
Open
Minimum
18
13
Maximum
50
45
Table 1Water Flow Switch Settings
9.
Return water connection. A 3” diameter
Victaulic grooved connection is provided
on the FF1000. A 3”, 150# class, flange
is provide on the FF1500 – 3000.
10.
Cleanout and inspection. A 3” diameter
Victaulic grooved connection is provided
for inspecting and cleaning sediment from
the heat exchanger.
11.
Supply water connection. A 3” diameter
Victaulic grooved connection is provided
on the FF1000. A 3”, 150# class, flange
is provide on the FF1500 – 3000.
12.
Air vent. The boiler is provided with an
internal dip tube that traps liberated air
from the boiler water. The air vent allows
the trapped air to escape from the boiler.
13.
Boiler reset push button.
14.
Boiler water temperature gauge.
15.
Boiler water pressure gauge.