
SECTION II: INST ALL ATION AND MAINTEN ANCE
28
Level the unit using a spirit-level, adjus ting the bolts and loc k-nuts of the
threaded tie-rods , keepi ng a dist anc e of 25-30 mm bet ween the sheet
steel c asing and t he l ower surf ace of t he false ceiling.
3
9
8
9
6
3
Threaded tie-rod
6
Fasteni ng brac ket
8
False ceiling
9
Level
Re-mount the previousl y removed T-profile and align the unit with
respect to the profiles , tight ening t he bolts and loc k-nuts.
Lastl y, aft er havi ng implement ed the condensate drain pipe and water
connections, c hec k t hat t he unit is s till level.
II.2.3 ASSEMBLY OF THE FRAME/GRID
ASSEMBLY
Unpac k the frame/grid ass embl y and chec k that t his has not been
damaged during transport Appl y t he assembl y to the unit by hooking it
to t he t wo f astening supports and tight en the four fas teni ng screws.
IMPORTANT !
Onl y the supplied scr ews ar e to be u sed to fast en
the frame.
10
11
11
11
11
12
10
Frame pre-hook s upport
11
Frame fast ening screw
12
Safet y string
The frame must not be defor med caused by excessi ve tracti on; it must
be c entred with r espec t t o t he f alse c eilings and it must especiall y
guarant ee tight ness between t he air intake and flow. T he figure
indicat es the s eal gas kets (A-B) that prevent t he air from being by-
passed (A) and the treated air from escaping (B) inside the f alse ceiling.
Once the ass embly is inst alled, verif y t hat the gap bet ween the frame
and the f alse ceiling is less than 5 mm.
A
B
max 5 mm
II.2.4 Outdoor fresh air and treated air flow into an
adj acent room
The side openings allow a separat e intake duct t o be implemented f or
the
outdoor fresh air
and t he
air flo w into an adj acent room
.
Remove t he out er anti-condensat e ins ulation, defi ned by the die, and
remove t he pre-sheared sheet s teel panels using a punch.
1
2
4
3
5
11
9
Ø150
6
Ø70
Ø150
155
1
Connection inlet
2
Pipe clamp
3
6 mm neoprene gas ket
4
Insulated pipe duct
5
Outdoor air inlet
6
Air distributed into an adj acent room
II.2.4.1 Air flow into an adjacent room
The air fl ow into the adjac ent room requires t he duc t vent t o be clos ed
using the relati ve flow vents obs truction kit. T he kit cannot be us ed wit h
units t hat have an electric resist ance. An air ret urn grid must be
installed (as clos e as possi ble t o t he ground) bet ween the air-
conditi oned room (in which the unit is inst alled) and the adjac ent r oom.
G
W
W
G
D
W
Wall
D
Door
G
Grid