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BRADFORD WHITE CORP.
Page 30
6B.3 Cold Water Make-Up
The cold water make-up may be connected to the
tank or to the inlet of the boiler as shown in Figures 23-
26. Install back flow preventers and shut offs where
needed or required by code.
6B.4 Freeze Protection
Brute Elite heaters are not certified for outdoor
installation, so the chance of freezing is minimized. In
an event such as power outage, component failure or
other issue when freezing is likely, the heater and
system must be drained to avoid the risk of damage due
to freezing. Glycol must
NOT be used in volume water
heating applications.
Figure 24. DHW Piping, One Heater, Two Vertical Tanks.
6B.5 BNTV Suggested Piping Schematics
Figures 23-26 show suggested piping
configurations for BNTV boilers. These diagrams are
only meant as a guide. All components or piping
required by local code must be installed.
6B.6 BNTV Suggested Pumps
Possible pumps for BNTV sizes 600-850 are
Grundfos model TP 40-160/2B, or for size 600 (only) is
Armstrong model E22B. See Table 8 for water flow and
head requirements.
NOTES:
1. Optional CWMU & Recirc. line location.
2. Locate BNTV DHW sensor or remote aquastat well
in lower 1/3 of tank.
3. Back flow preventer may be required - check local codes.
4. Thermal expansion tank may be required - check local codes.
5. Factory mounted pumps are sized for a max pipe length of
30' total, 6-90° elbows, full pipe size.
6. Caution: Pump sizing must be based opon water
hardness at job site.
WARNING: THIS DRAWING SHOWS
SUGGESTED PIPING CONFIGURATION AND
VALVING. CHECK WITH LOCAL CODES AND
ORDINANCES FOR ADDITIONAL REQUIREMENTS.