Robur GAHP Line AR Series, Installation, Use And Maintenance Manual

Page: 53 / 100

Electrical installer section
Ed. 2014-08
49
SECTION 4 ELECTRICAL INSTALLER
This section illustrates the operations to perform for the correct installation of the
appliance, and contains electrical diagrams that may be of use in the event of
maintenance operations.
Installation of the appliance must be carried out only by a firm which is authorized
according to current legislation in the country of installation - that is, by
professionally qualified personnel.
All wiring should be installed in accordance with the latest edition of the National
Electrical Codes, ANSI/NFPA No. 70, CSA Standard C22.1 when installed in
Canada, and with any local codes.
In the following section please refer to "L" as "L1" and to "N" as "L2".
Installation or that is incorrect or that does not comply with current legislation may
cause damage to people, animals or things; Robur Corporation is not responsible
for any damage caused by installation or that is incorrect or that does not comply
with current legislation.
Control of the operation of the appliance may take place in one of the following ways:
1.
By means of specific on/off commands: an on/off switch and a summer/winter
selector switch for selecting the operation mode. This on/off command may be an
on/off switch, an ambient thermostat, a programmable timer, or other such device.
2. By means of the Direct Digital Controller (DDC) available as an accessory (see
Optionals and Spare Parts, page 79).
Electrical diagrams for the connection of the appliance may be found in Paragraph
4.4, "PUMP AND ELECTRICAL WIRING DIAGRAMS" on page 55.
If the appliance is to be connected to a Direct Digital Controller (DDC), see also the
electrical diagrams in Paragraph 4.5 on page 58.
The use of antifreeze is important to prevent water on the secondary side from
freezing during the winter period. See SECTION 3 on page 27.