Condensate Drain; Freeze Protection; Bnth Suggested Piping Schematics; Recognized Chemicals - Bradford White Brute BNTH Installation And Operation Instructions Manual

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the authority having jurisdiction, must be provided with a
low water cutoff device either as a part of the boiler or at
the time of boiler installation.
6A.3 Condensate Drain
A condensate drain trap is built into the Brute unit.
Connect a 3/4" PVC pipe between the drain connection
and a floor drain (or a condensate pump if a floor drain
is not accessible).
The condensate drain must be installed so as to prevent
accumulation of condensate. When a condensate
pump is not used, the tubing must continuously slope
downward toward the drain with no spiraling.
Consult local codes for the proper disposal method for
the condensate.
Condensate is mildly acidic (pH = 5), and may harm
some floor drains and/or pipes, particularly those
that are metal. Ensure that the drain, drainpipe,
and anything that will come in contact with the
condensate can withstand the acidity, or neutralize
the condensate before disposal. Damage caused by
failure to install a neutralizer kit or to adequately
treat condensate will not be the manufacturer's
responsibility.
6A.4 Freeze Protection
Glycol must not be used in domestic hot water
applications. Refer to Section 6B.4 for instructions on
BNTV, domestic hot water freeze protection.
Brute units are certified for indoor use only, and are not
design-certified for placement outdoors.
Proper precautions for freeze protection are
recommended for boiler installations in areas where the
danger of freezing exists.
Power outage, interruption of gas supply, failure of
system components, activation of safety devices, etc.,
may prevent a boiler from firing. Any time a boiler
is subjected to freezing conditions, and the boiler
is not able to fire, and/or the water is not able to
circulate, there is a risk of freezing in the boiler
or in the pipes in the system. When water freezes,
it expands which may result in bursting of pipes, or
damage to the boiler, which could result in leaking or
flooding conditions.
Do not use automotive antifreeze. To help prevent
freezing, Bradford White recommends the use of
inhibited glycol concentrations between 20% and 35%
glycol. Typically, this concentration will serve as burst
Caution
WARNING
protection for temperatures down to approximately -5°F
(-20°C). If temperatures are expected to be lower than
-5°F (-20°C), glycol concentrations up to 50% can be
used. When concentrations greater than 35% are used,
water flow rates must be increased to maintain a 20°F to
25°F temperature rise through the boiler.
NOTE: Bradford White supplied pumps are not all
capable of maintaining the reduced temperature rise
required with glycol concentrations greater than
35%. If glycol concentrations required are greater
than 35% a field supplied pump should be used.
Different glycol products may provide varying degrees of
protection. Glycol products must be maintained properly
in a heating system, or they may become ineffective.
Consult the glycol specifications, or the glycol
manufacturer, for information about specific products,
maintenance of solutions, and set up according to your
particular conditions.
6A.5 BNTH Suggested Piping Schematics
Figures 15 through 21 show suggested piping
configurations for BNTH boilers. These diagrams
are only meant as a guide. All components or piping
required by local code must be installed.
6A.6 Recognized Chemicals
The following manufacturers offer glycols, inhibitors,
and anti foamants that are suitable for use in the Brute.
Please refer to the manufacturers instructions for proper
selection and application.
1. Sentinel Performance Solutions Group
2. Hercules Chemical Company
3. Dow Chemical Company
B W
RADFORD
Caution
HITE