Carel humiFog direct, User Manual

Page: 13 / 44

13
ENG
"humiFog direct" +0300073EN rel. 1.0 - 31.03.2017
3. DISTRIBUTION SYSTEM INSTALLATION
3.1 Blower unit installation
The humiFog Direct system works by connecting the cabinet to a
number of blower units installed directly in the room to be humidified
and/or cooled.
The following simple rules must be kept in mind when installing the
blower units:
•
the minimum flow-rate that can be atomised in the room is 8 l/h
(irrespective of the size of the pump). The minimum number of blower
units must therefore be defined based on the number and size of the
chosen nozzles.
The maximum numbers of blower units that can be connected to a
cabinet are:
•
12 blower units with 2 nozzles
•
6 blower units with 4 nozzles
•
3 blower units with 8 nozzles
The blower units must be suitably positioned so as to allow complete
absorption of the sprayed water. Consequently it is recommended to
install the blowers a due distance apart, at a sufficient height from the
floor and with free space at the front without obstacles.
The maximum length of the water line from the cabinet to the most
distant blower unit is 50 m.
The blower units can be mounted either on the wall or on the ceiling.
The blower unit installation procedure is as follows:
1.
Unpack the blower unit from the box it was delivered in. The blower
units are delivered fully assembled.
2.
Remove the side plastic covers cover from the blower. Unscrew the
long screws on the side using a screwdriver. Make sure to keep the
screws, as they will be needed again for assembly at the end.
3.
Mount the blower unit on the metal support. See paragraph 3.2 for
details.
4.
Connect the water line to the inlet on the blower units (M16x1.5). See
paragraph 3.3 for details.
5. Electrically connect the blower units to the cabinet, which supplies
power and controls operation of the fans. See paragraph 3.4 for
details.
6.
Complete blower assembly by repositioning the side plastic covers
removed previously, and fixing them with the same screws as
removed at the beginning.
3.2 Mounting single blower units on the
wall / ceiling
The single blower units (P/N DLA%F) are designed to be installed on a
vertical wall using a special metal support to be fixed to the wall using
screws. Check that the wall is made from suitable material and is able to
support the weight of the blower unit (concrete, not plasterboard).
Fig. 3.a
First remove the blower unit from the packaging and take off the side
plastic covers. Remove the blower unit from the steel bracket on the rear.
Rest the bracket against the wall in the position where the blower will be
installed, and then drill four holes in the wall, using the steel bracket as
the drilling template.
Fig. 3.b
Fig. 3.c
After having drilled the holes in the wall, fix the metal support using
anchor screws (not supplied).
Then attach the blower to the protrusions on the wall-mounting support
bracket.
Fix the blower unit to the bracket using the screws supplied in a bag
inside the packaging.
Fig. 3.d
When tightening the first screw (M6 self-tapping in Ø=5.5 mm holes),
slightly loosen the screws on the ring clamps that support the nozzle
manifold, so as to be able to turn it and free up space to continue
mounting the unit. Tighten one screw on the right and one screw on
the left.
Then tighten the third screw (M4 self-tapping in Ø=3.5 mm hole) on
the right-hand side of the blower (opposite the terminal block). When
tightening this screw, the angle of the blower can be adjusted between
-10°/-5°/0°/+5°/+10° from horizontal, using one of the five small holes
provided.