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NZ Electrical Requirements
Power requirements for NetZero
The minimum requirement to operate the NetZero is (2) circuits; the control/pump circuit and compressor/inverter circuit.
Up to 4 electrical circuits may be required.
Control Power Supply
Connections are located in the lower left of the control box.
For all NetZero units: 230Vac, 1-phase, 60 Hz, MCA 15A, 15 Amp Breaker
Compressor/Inverter Power Supply
Connections are located in the lower right of the power terminal. (lower middle of control box).
NZ 1-9 kW
| Model | NZ 1-9kW |
| Rated Voltage | 230/60/1 |
| Voltage Min/Max | 207/253 |
| Min Circuit Amps | |
| Comp./ Inverter | 22 |
| Control/ Pumps | 15 |
| Electric Heat | 18.9 |
| Total | 55.9 |
| Max Fuse / HACR | |
| Comp./ Inverter | 25 |
| Control/ Pumps | 15 |
| Electric Heat | 20 |
NZ 3-12 kW
| Model | NZ 3-12kW |
| Rated Voltage | 230/60/1 |
| Voltage Min/Max | 207/253 |
| Min Circuit Amps | |
| Comp./ Inverter | 32 |
| Control/ Pumps | 15 |
| Electric Heat | 26.4 |
| Total | 73.4 |
| Max Fuse / HACR | |
| Comp./ Inverter | 30 |
| Control/ Pumps | 15 |
| Electric Heat | 30 |
NZ 5-22 kW
| Model | NZ 5-22kW |
| Rated Voltage | 230/60/1 |
| Voltage Min/Max | 207/253 |
| Min Circuit Amps | |
| Comp./ Inverter | 47 |
| Control/ Pumps | 15 |
| Electric Heat | 26.4 |
| Total | 88.4 |
| Max Fuse / HACR | |
| Comp./ Inverter | 50 |
| Control/ Pumps | 15 |
| Electric Heat | 30 |
Electric Heat Power Supply
NZ 1-9 kW
| Model | NZ 09 kW |
| Rated Voltage | 230Vac / 60 Hz / 1p |
| # of Heaters | (3) |
| Rated kW | 1.3 / 1.3 / 1.3 |
| Each Heater MCA | 6.3 |
| Max Fuse / HACR | 10A |
NZ 3-12 kW
| Model | NZ 12 kW |
| Rated Voltage | 230Vac / 60 Hz / 1p |
| # of Heaters | (3) |
| Rated kW | 2 / 2 / 2 |
| Each Heater MCA | 9.4 |
| Max Fuse / HACR | 15A |
NZ 5-22 kW
| Model | NZ 22 kW |
| Rated Voltage | 230Vac / 60 Hz / 1p |
| # of Heaters | (3) |
| Rated kW | 2 / 2 / 2 |
| Each Heater MCA | 8.8 |
| Max Fuse / HACR | 15A |
Aerothermal (AU) Power Supply
Connections are located under the top cover in the electrical box, see circle in image.
AU06
| # of Fans | 1 |
| Voltage | 200-240V |
| Power at Max Speed | 154 Watts |
| Amps at Max Speed | 1.36 A |
AU12
| # of Fans | 1 |
| Voltage | 200-240V |
| Power at Max Speed | 163 Watts |
| Amps at Max Speed | 1.34 A |
AU22
| # of Fans | 2 |
| Voltage | 200-240V |
| Power at Max Speed | 326 Watts |
| Amps at Max Speed | 2.68 A |