York YEFB Manuel D'utilisation Et Installation page 37

Each air-handling unit is provided with:
• Screw terminal board for the electrical connections, located inside the electric box;
• Supporting relays for the three fan speeds, installed in the electric box only for sizes 040 –
050 – 060 – 070;
• Electric wiring diagram, specific for the ordered unit and its accessories, located on the
electric panel;
• Ground protection terminal marked with the symbol
protection system cable (yellow/green cable);
6.6.1 POWER SUPPLY WITH STANDARD ELECTRIC BOX (IP30)
• Insert the wires (fix cable) through the slots on the base of the control box (as indicated in
Fig. 5 and Fig. 6) and make the electrical connections according to the electric wiring dia-
gram supplied with the unit and to the diagram of the controller.
• Fix the wires inside the electric box by using the given clamps and make sure that the wires
beneath the panel are blocked at a distance of at least 5 mm. from the slots.
Fig. 5 - YEFB 020÷030
• Fix back the plastic cover panel of the electric box to the base with the screw (Fig. 5a and
Fig. 6a)
Fig. 5a - YEFB 020÷030
, for the connection of the ground
Fig. 6 - YEFB 040÷070
Fig. 6a - YEFB 040÷070
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