Bryan Boilers F Series User Manual

Form No. 8200  
(05/02)  
TM  
B RYAN STEAM  
Automatic Surface and Bottom  
Blowdown System  
Benefits  
• Helps maintain safe levels of  
dissolved solids in boiler water  
• Prevents scale formation  
• Helps to eliminate costly down time  
• Frees boiler operator for other duties  
Features  
• UL/CSA recognized components  
• Honeywell 24 hour time clock  
• Dial marked in quarter hour  
increments  
• Motorized ball valve with  
state-of-the-art electric actuator  
Valve actuator is sealed and  
permanently lubricated  
• Controls enclosed in a NEMA  
Type 1 enclosure  
24-hour period can be achieved if necessary.  
All boilers require proper care and maintenance  
to maintain optimal performance. In particular,  
steam boilers will operate more efficiently if ser-  
viced by either a surface or bottom blowdown  
system. Bryan Boilers can provide these systems  
in either manual or automatic designs. A regular  
blowdown procedure to remove accumulated  
sludge will extend the life and performance of  
your boiler. A BRYAN AUTOMATIC BLOWDOWN  
SYSTEM will assure that your boiler has regular  
blowdown on a preset schedule.  
The system is comprised of a 24-hour syn-  
chronous drive time clock and a time delay  
relay in a NEMA Type 1 panel. This controls a  
motorized ball valve. Our bottom blowdown sys-  
tem includes manually operated quick opening  
and slow opening blowdown valves. Our surface  
blowdown system includes a gate valve and a  
motorized valve. The bottom blowdown is piped  
to allow for manual bypassing of the automatic  
system should the need arise. These systems  
can be installed at the factory or are available  
for field installation on existing boilers.  
The time and duration of the blowdown period  
is selectable. Multiple sequences during a  

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