New answers tagged furnace
Page 28 of the installation manual (PDF) says this: Filters All G40UH(X) filters are installed external to the unit. Filters should be inspected monthly. Clean or replace the filters when necessary to ensure proper furnace operation. Replacement filters must be rated for high velocity airflow. Table 1 lists recommended filter sizes.
It all comes down to "working space", clearances, exhaust, and combustion air. Working space is the unobstructed area around (usually in front of) an appliance, allowing access to service the appliance. This will some times be specified in local codes, and often spelled out in the manufacturer's documentation for the appliance. Some appliances may have ...
According to the National Electrical Code, a gas furnace (or any other central heating equipment) must be on its own circuit. So connecting a water heater (or anything else), would be a code violation. National Electrical Code 2014 Chapter 4 Equipment for General Use Article 422 Appliances 422.12 Central Heating Equipment. Central heating ...
Connect the green wire to the G terminal in the furnace, and the other end of that wire to the G terminal on the thermostat. Connect one of the black wires to the W terminal in the furnace, with the other end of the wire connected to the W terminal on the thermostat. Then connect one of the red wires to the R terminal in the furnace, and the other end to the ...
Switching the wire from W to G on both the thermostat and controller board allowed me to use the fan in the summer while disabling the heating call (W). For the winter I'll switch it back since it's a heat-only unit. Otherwise an extra wire from G(thermostat) -> G(controller) would have been needed.
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