Bill,
All products are required to withstand RF susceptibility levels. So if
you encounter "strange happenings" with your HVAC system due to RF, the
supplier is bound to take corrective action.
Some may not understand, and some may not even know of the requirements,
so at worst case, you may have to get the FCC involved for resolution.
The most published FCC class B information regards radiation from the
device(s), but there is also regulations regarding susceptibility from
radiation from licensed services. The fact that you addressed the RF
interference situation with the installer should go a long way (document
that conversation for yourself with dates and names), and for a
reputable company should be as good as a written statement (I am no
lawyer, but it makes sense to me).
73,
Don W3FPR
On 8/14/2014 4:20 PM, W2BLC wrote:
I recently installed a Mitsubishi mini-split system and now have an
antenna concern. I am about to install a new dipole that will pass
within ten feet of one of the interior units (that would be measured
through the wall). I already know that the system has produced no
interference to any reception - however, I am concerned about how
being close to a transmitting antenna will effect or not effect the
unit/system. The antenna's location will meet safe human exposure
limits for the bands/power used - 160/75/40.
I am assured by the installer that RF is not a problem and not to be
concerned - of course that is not in writing. Attempts to email and
call Mitsubishi have not been informative. Hence my question:
Has anyone had difficulties with the control systems of their HVAC
systems caused by RF from a nearby transmitting antenna? I run the
KPA500 all the time - so consider this a 600 Watt station.
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