Please check the water inlet temperature sensor at first because E1 means this sensor is short or open; If necessary, please replace it with a new sensor.
Please get in touch with native distributors of Phnix.
No, most modern heat pumps are very quiet. The source of noise in a typical heat pump is the air passing over the grill, as it is blows through the unit...
The hottest water the hot water heat pump could make is 60 degree.
Open the top board of the electric box, please check the opposite side of it; you will find the unit connection diagram.
Phnix has CE and ETL certifications for our hot water heat pump.
Please check the compressor discharge temperature at first because tC1 means the compressor discharge temperature is too high.
A heat pump is unlikely to heat your whole house. Heat pumps are like powerful, very efficient fan heaters. A typical heat pump provides the same amount of heat...
1) Please adjust the defrosting exit parameter D04 from 13 to 18 and the defrosting start parameter D03 from -7 to -3; also please check whether the setpoint is "0" for both D15 and D14.