Error 1056

When a heat pump is input, the software requires that the heating capacity of the unit be given at two rating conditions.  The first rating condition is when the outside ambient drybulb is at 47 degrees F.  The second rating condition is when outside conditions are at 17 degrees F.  At both conditions, the manufacturer’s rated output needs to be input into the Central System Library entry for the heat pump.

At the Central System library, in the Heating tab, enter a value for the Heat Pump heating output at the 17 degree condition.

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