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1.12 ELECTRICAL CONNECTION
The indoor unit must be coupled with an Audax.DK4 outdoor unit. They must both be connected to the control panel as indicated in the
wiring diagram The Audax.DK4 outdoor unit is supplied with 230 Vac with lines separated from the indoor unit with an IPX5D protec-
tion rating. Electrical safety of the heat pump is reached only when all the units are correctly connected to an efficient earthing system as
specified by current safety standards.
The manufacturer declines any responsibility for damage or physical injury caused by failure to connect the appliance to an ef-
ficient earthing system or failure to comply with the IEC reference standards.
Indoor Unit electrical connection.
• Open the control panel connections compartment (Fig. 11).
To carry out electrical connections, all you have to do is open the connections compartment as follows.
1. Remove the front panel (Fig.68).
2. Disassemble the cover (b).
3. Loosen the screw (a).
4. Press the two hooks on the connections compartment cover.
5. Remove the cover (b) from the control panel (c).
At this point, it is possible to access the terminal board (d).
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1
Also ensure that the electrical installation corresponds to maximum absorbed power specifications as shown on the appliance data
nameplate.
Indoor units are supplied complete with an "X" type power cable without plug.
The power supply cable must be connected to a 230V ±10% / 50Hz mains supply respecting L-N
polarity and earth connection; this network must also have a multi-pole circuit breaker with
class III overvoltage category in compliance with installation regulations.
To protect from possible dispersions of DC voltage, it is necessary to provide a type A differen-
tial safety device.
If the power cable is damaged, contact a qualified company (e.g. the Authorised Technical As-
sistance Centre) for its replacement to avoid a hazard.
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a
3
d
b
c
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