Technical data
Installation, user and maintenance manual – AY Condensing line, AY series
41
5 ELECTRICAL SYSTEM INSTALLATION TECHNICIAN
In this section you will nd all the instructions necessary for connecting the appliance
and DDC from an electrical viewpoint.
The procedures to follow in order to complete the entire process of electrical installa-
tion of the appliance are the following:
CONNECTING THE APPLIANCE TO THE MAINS.1.
ELECTRICAL CONNECTIONS FOR THE SYSTEM CIRCULATOR.2.
CONNECTIONS FOR CONSENT SWITCH OPERATION.3.
Before proceeding with operations to create the electrical plant of the appliance, the
professionally qualied personnel concerned are advised to read Paragraph 2.1 WAR-
NINGS → 7: it provides important information regarding installation safety and refe-
rences to current regulations.
Before making the electrical connections or any checks, make sure that work is not
carried out on live elements.
Figure 5.1 Series AY - AY10+S70 controllers → 41 illustrates, in their main parts, the
on-board electronics: controller AY10 overlaying the auxiliary controller S70 (for the
legend, see Table 5.1 AY10 and S70 controller components → 42).
Figure 5.2 Functional diagram → 43 shows the appliance's wiring diagram (for the
legend, see Table [Ref] → ???).
Figure 5.1 – Series AY - AY10+S70 controllers
Main components of the on-board controller.
LEGEND
see table below