I Electricity Supply Connections (Depending On The Model) - Zodiac Heat Line 20 Instructions For Installation And Use Manual

2.3 I Electricity supply connections (depending on the model)

Incorrectly tightened terminals may cause the terminal unit to heat up and invalidate the
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warranty.
• The appliance must be connected to an earth socket.
• Before any work inside the appliance, you must cut the electricity supply as there is a risk of
electric shock which may cause material damage, serious injury or even death.
Only a qualified and experienced technician is authorised to carry out cabling work within the
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appliance or to replace the power cord.
• The exchanger's electrical supply must be provided through a protection and circuit breaking device (not supplied)
complying with the standards and regulations in force in the country where it is installed.
• Electrical protection: via 30 mA residual-current circuit breaker.
• The power supply must correspond to the voltage indicated on the appliance's information plate.
• Use the power cord delivered with the appliance.
• All extension cables or multisocket connects are prohibited. Request the installation of a protected power socket near
the appliance from a qualified technician.
• If the power cord is not long enough, it must be replaced by a qualified technician.
• The power cord must not be exposed to elements that are sharp, hot or represent a crush hazard.
• The electrical connection lines must be fixed.
2.3.1 Connecting an external command to supply the primary circuit
• This function is provided via the dry contact without polarity "normally open at rest" (maximum intensity 5A under
250Vac 50-60Hz) available on the terminal 19-20 regulator,
• Use a 3G1 cable (section 1 mm²),
• The wire connected to terminals 19-20 must go through the additional discharge "grommet" (supplied) to be installed
on the base of the box.
Connection to a heating source
Connection to a 3-way valve with
mechanical return
Connection to a circulating pump
Connection to a motorised 3-way valve
with two rotation directions
Ph: live
N: neutral
F*: protection fuse
(5A maximum)
C*: additional circulating
pump
V'*: 3-way valve with
mechanical return
CH*: existing heating source
V''*: motorised 3-way valve
with two rotation directions
KA1*: command relay
* not included
EN
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