There are many variables on this. One, we need to know the serial number to know if it is a energy efficient model or not. Second we know your incoming water temp. Third, the ambient air temp.
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  I’ll try to give you a maybe. This model can have a 5900 BTU per hour rejection or 10,000 BTU rejection, depending on your serial number. Water valve is set at 240 psi head pressure, with about a 20 degree glide would make the water discharge about 115 to 120 degrees F. With a 55 degree inlet, that would make about 107 lb’s water per hour, or roughly 13 gallons per hour.