Armstrong ABH 79 Prosedur Pembersihan - Halaman 3
Jelajahi secara online atau unduh pdf Prosedur Pembersihan untuk Peralatan Industri Armstrong ABH 79. Armstrong ABH 79 4 halaman. Water side heat exchanger
Halaman Cetak6. Attach the female end of the other hose to the drain valve connection on the outlet side of boiler, then attach the opposite end to
the chemical pump.
7. Pour water into plastic, chemical and heat resistant 5-10 gallon container (depending on size of appliance). Add cleaning solution.
See 'Descaling Solution' above for required amounts. Prime the pump.
8. Turn on pump and circulate solution (this is the reverse of normal flow)
9. After circulation is established:
A. Bypass water flow switch (to bypass H1 error).
B. Turn RED temperature set dial all the way to the left (min. position).
C. Turn power switch ON; the number 50 will be displayed.
D. Use a pen to press micro switch below SERVICE computer connection port ONCE. Heater will fire up and stay in LOW fire.
E. Press RESET button to monitor solution temperature (180º - 160ºF required for efficient descaling).
F. If, within 15-30 minutes of starting, the clean solution turns GREEN (an indication it's cleaning power is exhausted),
additional DS40 System Cleaner needs to be added.
Armstrong Hot Water, Inc. recommends that chemical cleaning should be done for no longer than 4 hours, changing
direction of the flow in the middle of operation. Timing will depend on the condition of the system and circulation rate.
10. Turn the power switch to OFF.
11. Flush heater with clear water. Circulate clear water through pump and lines. Add acid neutralizer to the used solution. The color
will change from red to yellow/green (solution is ready for discard). Rinse plastic container.
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Armstrong Hot Water Group, 221 Armstrong Blvd., Three Rivers, MI 49093 – USA Phone: 269-279-3602, Fax: 269-279-3130
Water Side Heat Exchanger Cleaning Procedure
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