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Re:I wouldn't call it "engineering" (Score:4, Informative)
"...It's a huge clusterf*ck, and the upper management doesn't seem interested in fixing the actual problem."
I think you just defined, "upper management."
It's an open battle (Score:4, Informative)
Re:Has this ever happened to you? (Score:4, Informative)
Most air conditioning control systems are 24 volt, color-coded 24 to 28 gauge wiring bundles. The red wire (r terminal) typically brings 24v to the thermostat. When the thermostat closes the switch on a call for cooling the (typically) yellow wire is energized at the y terminal inside the thermostat, and when the t-stat closes on a call for heating the (typically) white wire is energized at the w terminal.
Any nerd competent enough to take the front off the thermostat to look at the wiring color scheme at the terminals can easily install a remote switch above a drop ceiling in an office to override "no call" from the t-stat or to break the 24v to the control.
Cautionary tale: never energize your auxiliary control in heat if the primary t-stat is in cooling mode, or vice-versa, as this will allow the magic smoke in the blower motor to escape. Most systems run on two different airflow speeds for heating and cooling.