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removed, independently of the inner frame, by taking off two fixing screws.
It consists of a centrifugal fan, one (110÷114 sizes), two (216÷226 sizes) or three (328) aluminium impellers, directly splined
to the motor shaft, and of galvanized steel scrolls. All motors operate at 50/60Hz.
4.4 ELECTRICAL COMPONENTS AND CONTROLS
The electric panel (CBL00) consists of a self-extinguishing plastic box (class V0), which contains a 12 pole terminal board.
The plastic box is fixed on the left side (as standard) of the inner frame, and it can be easily pulled out and shifted from the
left to the right side when the water connections are reversed.
Every unit is provided with an electric wiring diagram, always showing all the controls (both built-in and remote) and electric
accessories eventually mounted on the unit. Everything must be correctly wired in accordance to the diagram, to obtain the
CBL00
4.5 AIR FILTER
The air filter consists of a galvanized steel frame and two wide mesh nets enclosing the washable filter element with filtering
cells made by non-hygroscopic material (see page 6, Fig. SV, point 15).
The filter is placed on the bottom part of the unit (except for AF units) and it can be easily removed by releasing its fixing; it can
be cleaned by washing with soap and water and drying in open-air. AF models have a shaped filter located behind the air inlet
panel and suspended by splines (see page 6, Fig. SH/AF, point 15).
4.6 HOUSING
The housing (see page 6, Fig. SV, point 14) is manufactured with sheet steel painted with oven dried epoxy powders; its
thickness is 8/10 mm for 110÷218 sizes and 10/10 mm for 220÷328 sizes. The standard colour is white (RAL 9003).
It is fixed to the inner frame with screws and also with retainers. In models having frontal air intake (AF), the panel covering
the filter is fixed with a 1/4 turn screw system and can be taken off by using a screwdriver.
The standard grilles are movable and can be turned into all 4 directions without any tool. They are made of heat-resistant ABS
(see page 6, Fig. SV, point 13). At each side of the grilles, two doors in ABS give access to the control panel and to the water
connections respectively. Both grilles and access doors are white (RAL 9016).
On request, the full range of RAL colours is available for each model with a slightly increased delivery time.
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