CHOFU AEYC-0639U-CH, Инструкция по установке и эксплуатации, Страница: 19 / 156

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3. Installation
Removing the wiring lid will give access to the electrical power supply terminal board of the heat pump and the
PCB (Terminal) for the external contacts and sensors connection.
WARNING
• The rated voltage of this product is 230 V a.c. 50 Hz.
• Before turning on, verify that the voltage is within the 207 V to 253 V range.
• Always use a dedicated circuit and install a dedicated receptacle to supply power to the air to water heat pump.
• Use a dedicated circuit breaker and receptacle matched to the capacity of the air to water heat pump.
(Install in accordance with standard.)
• Perform wiring work in accordance with standards so that the air to water heat pump can be operated safely and
positively.
• Install a dedicated leakage circuit breaker in accordance with the related laws and regulations and electric
company standards.
• The circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring
and has an isolation distance of at least 3 mm between the contacts of each pole.
CAUTION
• The power source capacity must be the sum of the air to water heat pump current and the current of other
electrical appliances. When the current contracted capacity is insufficient, change the contracted capacity.
• When the voltage is low and the air to water heat pump is difficult to start, contact the power company to raise the
voltage.
CAUTION
• The unit complies with Voltage Fluctuations and Flicker (EN61000-3-11).
• The unit complies with Harmonic Current Emission (EN61000-3-12).
• The maximum permissible system impedance (Zmax) of the unit is 0.354 Ω(AEYC-1039U), 0.320 Ω(AEYC-
1639U).
The unit must be connected to a public supply of system impedance 0.354 Ω(AEYC-1039U), 0.320 Ω
(AEYC-1639U).