SECTION I: USER
21
I SECTION
I:
USER
I.1
DESCRIPTION OF THE MACHINE
UTNC-EV is a Box-t ype air handling t erminal unit , t o be inst alled i n f alse
ceilings, with air flow and retur n directl y i nto the room.
I.1.1
DECLARED CONDI TIONS OF USE
UTNC-EV is a fan coil int ended f or the treat ment of air (summer and
wint er air-conditi oning) inside buildings us ed f or domestic or si milar
purpos es. T he unit is not designed for ins tallation in rooms us ed for
laundry purposes (IEC EN 60335- 2-40 Standard).
The units c omply wit h t he following Directi ves:
- Machiner y Directi ve 2006/ 42/ EC (MD);
- Low Voltage Directi ve 2006/95/EC (LVD);
- Electromagnetic C ompati bility Directi ve 2004/108/ EC (EMC);
DANGER !
The mach ine i s designed for indoor install ation
only, for use in dom estic or simil ar environments.
DANGER !
Do not introduce obj ects through the air intake or
deliver y gr ill es.
IMPORTANT !
The unit will function correctl y onl y if the
instructions for use ar e scrupulousl y follo wed, if
the specified clearan ces ar e comp lied with during
install ation and if the functioning r estriction s
indicated in this m anual are strictl y adh ered to.
IMPORTANT
If clearan ce di stances are not maintain ed at
install ation, it could cau se m aintenan ce difficu lties
and reduction in p erformance.
I.1.2 MACHINE
IDENTIFICATION
The units have a s erial number plate af fixed to the inside, which is
visible by removi ng the air filter.
I.1.3 STRUCTURAL
FEATURES
•
The self-s upporting struct ure is made of gal vanised sheet s teel
complete wit h a device t hat raises the condensate fr om the tray to t he
drain level tray, a buff er ceiling with manually adj ustable fl ow fins, r eturn
grid and regenerable filt er.
•
Finned coil heat exc hanger.
•
3-speed f an UTNC-EV.
•
Brushless
fan
UTNC-I.
I.1.3.1 Versions
•
UTNC-EV
2-pipe f an coil
•
UTNC-EV/V2-V3
2-pipe fan coil with inst alled val ve 2/3 way.
•
UTNC-EV B4
4-pipe fan coil
•
UTNC-EV/V2-V3B4
4-pipe f an c oil wit h inst alled val ves 2/ 3 way.
•
UTNC-EV REL
2-pipe fan coil + el ectric resistance
•
UTNC-I
2-pipe fan c oil
•
UTNC-I/V2-V3
2-pi pe f an coil with ins talled val ve 2/ 3 way.
•
UTNC-I B4
4-pipe f an coil
•
UTNC-I/V2-V3B4
4- pipe fan coil with i nstalled valves 2/3 way.
•
UTNC-I REL
2-pipe f an c oil + electric resist anc e
I.1.4 FUNCTIONING
LIMITS
IMPORTANT !
RHOSS S.p. A. shall not be h eld li able for damag e to
persons or propert y caused b y a connection that
does not compl y with the indi cated functioning
limits.
W ater Circuit
•
Wat er side maximum pressure: 1400 kPa (142 mwc)
•
Minimum temperat ure of t he input wat er: + 4°C
•
Maxi mum t emperat ure of t he i nput water: + 80°C
Environment air
•
Minimum
temperat ure:
5°C
(1)
•
Maxi mum
t emperat ure:
32°C
Note: (1) If the room temperature is thought to drop
belo w 0°C, it i s recommend ed to empt y the water
system so as to pr event possibl e breakage du e to
frost (see "W ater Connections" par agraph).
Electri c po wer suppl y unit
•
Single-phas e nomi nal voltage 230V ~ 50Hz
I.1.5
INFORMATION REGARDING IMPROPER USE
IMPORTANT !
The mach ine has been designed and constru cted
solel y and exclusivel y to function as an air handling
terminal unit; an y other use i s stri ctl y PROHIBITED.
Installing the machine in an explosive environment
is prohibited.
I.1.6
INFORMATION ABOUT RESIDUAL RISKS
THAT CANNO T BE ELIMINATED
IMPORTANT !
Pay the utmost attention to the symbols and
instructions lo cated on the appli ance.
If any risks r emain in spite of the pr ovisions adopt ed, or if t here are any
pot ential or hidden risks , t hes e are indicated by adhesi ve labels
attac hed t o the mac hine in c omplianc e with st andard ISO 3864.
I.2 ACCESSORIES
AND SPARE PARTS
IMPORTANT !
Onl y use origin al spare parts and accessories.
RHOSS S.p. a. shall not be held liab le for damage
caused b y tampering or work carr ied out b y
unauthorised per sonnel or malfunctions cau sed b y
the use of non-original spar e part s or accessories.
IMPORTANT !
In the case of a water suppl y with a parti cular l y high
content of hard water salts, it is advisabl e to fit a
water softener.
KV2 - KV3 ( supplied separatel y)
– 2/3- way elec troval ve for 2-pipe
syst ems complete with an insul ation covering (the access ory does not
come with t he auxiliar y c ondens at e drai n tray).