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   McDonnell & Miller
   
These are just a few of
the most widely used and largest control specialists
we buy from and
are experts at servicing, troubleshooting and
upgrading for optimum efficiency and comfort control.
Contact us for more
information on specific controls or use the links
above for loads of information on each of their
product lines.
| LIGHT
COMMERCIAL SYSTEMS |
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Outdoor reset
controls with night set back for added fuel
savings, or space sensing with multiple averaging
temperature sensors, or a combination of both for
the ultimate in boiler controls are now available.
Remote communications and monitoring from any PC
are also among many optional features we can
include in a system designed to fit your needs.
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| LARGE
COMMERCIAL / INDUSTRIAL SYSTEMS |
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A recent custom control panel installation for a
20,000 sq. ft. office building retrofit using
Johnson Controls. The control system operates a 4
stage DX air conditioning condenser; 2 remote
boilers, mixing valves and pumps located
approximately 200 ft. away in adjoining building;
economizer and exhaust dampers; and interfaced
with existing Yaskawa frequency drives for supply
and return blowers.
The left picture shows the old panel with
pneumatic devices. Right picture shows new panel
with digital controller and 2 pneumatic
transducers to operate existing pneumatic dampers
that were still functional.
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