6.6.7
Replacing cables
All connecting cables, except for the mains connection cable, have to be
replaced by Potterton special cables in case of replacement. When
replacing the mains connection cable, only cables of the types H05VV-F 3
x 1 mm
2
or 3 x 1,5 mm
2
have to be used.
6.6.8
Protection against contact
After the EC five has been opened, the cladding parts to be screwed on
should be screwed back on with the appropriate screws to ensure
protection against contact.
6.6.9
Electrical connection of the auxiliary contactor for the
pump PHS
The auxiliary contactor for the pump PHS is used to operate three-phase
current pumps or one-phase pumps with a current rating of more than 1 A,
and is located under the front casing cover on the right-hand side.
Danger of electric shock
Danger to life due to electric current!
All electrical work in connection with the installation may only be
carried out by a trained electrician. Prior to commencing any
installation work, isolate the boiler from the power supply and
safeguard against unintentional reconnection!
Important
Dimensioning of the connection cables and fuses used must be in
accordance with the on-site situation. The installer is responsible
for this.
Connect the auxiliary contactor for the pump PHS in accordance with
the connection diagram
Route the connection cables from the pump to the boiler and connect
them to the auxiliary contactor PHS in accordance with the connection
diagram.
Fig.19
PHS in EC five
RA-0001038
N
Fig.20
Connection diagram PHS
RA-0001039
pump
net
6 Installation
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7703301 - 01 - 16072018