Isection I: User; Description Of The Machine; Declared Condi Tions Of Use; Machine Identification - RHOSS UTNC-EV Instructions For Use Manual

I SECTION I: USER
I.1

DESCRIPTION OF THE MACHINE

UTNC-EV is a Box-type air handling terminal unit, to be installed i n false
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 intended for the treatment of air (summer and
winter air-conditi oning) inside buildings us ed for 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 with the 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 is designed for indoor installation
only, for use in dom estic or similar environments.
DANGER !
Do not introduce objects through the air intake or
deliver y gr illes.
IMPORTANT !
The unit will function correctly only if the
instructions for use ar e scrupulously follo wed, if
the specified clearan ces ar e comp lied with during
installation and if the functioning r estriction s
indicated in this m anual are strictly adh ered to.
IMPORTANT
If clearan ce distances are not maintain ed at
installation, 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 affixed to the inside, which is
visible by removi ng the air filter.
I.1.3

STRUCTURAL FEATURES

• The self-s upporting structure is made of gal vanised sheet s teel
complete with a device that raises the condensate fr om the tray to the
drain level tray, a buffer ceiling with manually adj ustable fl ow fins, r eturn
grid and regenerable filter.
• Finned coil heat exc hanger.
• 3-speed fan UTNC-EV.
• Brushless fan UTNC-I.
I.1.3.1 Versions
• UTNC-EV 2-pipe fan coil
• UTNC-EV/V2-V3 2-pipe fan coil with installed val ve 2/3 way.
• UTNC-EV B4 4-pipe fan coil
• UTNC-EV/V2-V3B4 4-pipe fan c oil with installed 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 fan coil with ins talled val ve 2/3 way.
• UTNC-I B4 4-pipe fan coil
• UTNC-I/V2-V3B4 4- pipe fan coil with i nstalled valves 2/3 way.
• UTNC-I REL 2-pipe fan c oil + electric resistanc e
I.1.4

FUNCTIONING LIMITS

IMPORTANT !
RHOSS S.p.A. shall not be h eld liable for damag e to
persons or propert y caused b y a connection that
does not comply with the indicated functioning
limits.
W ater Circuit
• Water side maximum pressure: 1400 kPa (142 mwc)
• Minimum temperature of the input water: + 4°C
• Maxi mum temperature of the i nput water: + 80°C
Environment air
• Minimum temperature: 5°C
• Maxi mum temperature: 32°C
Note: (1) If the room temperature is thought to drop
belo w 0°C, it is recommend ed to empt y the water
system so as to pr event possible breakage du e to
frost (see "W ater Connections" par agraph).
Electric po wer supply 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
solely and exclusively to function as an air handling
terminal unit; an y other use is strictly 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 appliance.
If any risks r emain in spite of the pr ovisions adopted, or if there are any
potential or hidden risks , thes e are indicated by adhesi ve labels
attac hed to the mac hine in c omplianc e with standard ISO 3864.
I.2

ACCESSORIES AND SPARE PARTS

IMPORTANT !
Only 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 supply with a particular ly high
content of hard water salts, it is advisable to fit a
water softener.
KV2 - KV3 ( supplied separately) – 2/3- way elec troval ve for 2-pipe
systems complete with an insul ation covering (the access ory does not
come with the auxiliar y c ondens ate drai n tray).
21
SECTION I: USER
(1)