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1.0 FEATURES OF THE HEATER
1 . 1 D E S C R I P T I O N O F T H E
HEATER
The "CA' D'ORO" fan coil heater is a
t e r m i n a l u n i t f o r r o o m a i r
conditioning, ventilation, heating in
the winter and cooling in the summer.
1 . 2 D E S C R I P T I O N O F T H E
COMPONENTS
BEARING STRUCTURE: made from
adequately thick galvanised steel
plate, sound and heat insulated.
HEAT EXCHANGE BATTERY:
made with copper tubes mechanically
expanded into aluminium fins, 1/2" F
b r o n z e m a n i f o l d s f o r w a t e r
attachments with air valve (maximum
working pressure 10 bar).
FAN UNIT:
double intake centrifugal fans with 1-
2-3 fan wheels, single phase three-
s p e e d e l e c t r i c m o t o r w i t h h e a t
protection and condenser permanently
activated.
FILTER UNIT:
m a d e f r o m a m i c r o - p e r f o r a t e d
propylene panel fitted on a bearing
frame with a protection grid, fitted to
t h e i n t a k e s i d e , i t c a n b e e a s i l y
removed for cleaning or washing.
COVER:
made from moulded and painted steel
plate, resistant to chemical agents and
insulated with anti-condensation
material, the delivery grid directions
can be changed and the access flaps
to the electric and hydraulic controls
a r e m a d e i n h e a t r e s i s t a n t A B S .
Colours are RAL 9010 series, with
other colours available on request.
1.3 AVAILABLE TYPES
The following types are available:
VTP = wall fitted version
VTS = ceiling fitted version
VTI = built-in version for the wall or
ceiling
All the fan coil heaters have a
consent thermostat fitted standard
(the motor turns only if the water
in the exchanger has reached a
temperature of 35°C).
2.0 INSTRUCTIONS FOR CORRECT
INSTALLATION
- PACKAGING AND TRANSPORT
Each single unit is packed in a
strong cardboard box protected by
p o l y t h e n e a n d p o l y s t y r o l s h o c k
buffers.
The unit must be handled with care
during transport and movement.
No more than three units must be
stored on top of each other in the
vertical position and no more than
five in a horizontal position.
C h e c k t h e p a c k a g i n g i s n o t
damaged and do not use any sharp
or cutting instruments to open it.
When the unit has been removed
from the box, check that it is not
damaged and corresponds to the
model effectively ordered with the
relative accessories.
A n y s o r t o f p r o b l e m s h o u l d b e
immediately communicated to the
constructor.
- I N S T A L L I N G T H E V A R I O U S
MODELS
I n s t a l l a t i o n m u s t b e d o n e b y a
q u a l i f i e d t e c h n i c i a n , b e f o r e
beginning check that the power
s u p p l y c o r r e s p o n d s t o t h e
requirements printed on the plaque
attached to each single unit, which
also gives the serial and model
number. If the unit is supplied with
feet, these should be fitted internally
a n d e x t e r n a l l y a n d t h e
supplementary tray if supplied (VEV
– VEO). Drill the wall for the VTP
a n d V T P / Z C m o d e l s , d r i l l t h e
ceiling for the VTS and VTS/ZC
models, following the measurements
given in the "dimensions" page.
Mount the fan coil heater using the
expansion nogs and through screws
i n t h e s l o t s o n t h e e d g e o f t h e
u n i t , t h e s c r e w s m u s t h a v e a
minimum diameter of 6 mm with a
washer under the screw head.
The same procedures are used for
fixing the VTI and VTI/F models to
the wall or ceiling.
T h e a i r c o n d i t i o n i n g c e i l i n g
versions mounted on the ceiling
m u s t b e i n s t a l l e d w i t h s p e c i a l
attention paid to the inclination, to
ensure the condensation water is
emptied into the horizontal tray;
the outlet pipe must be a 16 mm
diameter flexible tube and smooth
inside. If the unit is installed in the
bathroom, it must be placed in a
position where the switches and
c o n t r o l s c a n n o t b e t o u c h e d b y
anyone in the bath or shower.
T h e p o w e r l e a d m u s t h a v e a
normal PVC sheath (designation 227
EIC 53) type N07V-K or FROR,
measuring 3x1.5 mm (for versions
with heating element, use a lead
with the section adequate to the
power intake).
T h e h e a t e r m u s t n o t b e p l a c e d
beneath a power socket.
WARNING!
FOR THE BUILT-IN VERSIONS,
THE TEMPLATE IS PREPARED
ON SITE, AND THE DIMENSIONS
O F T H E A I R I N T A K E A N D
DELIVERY SECTIONS MUST BE
R E S P E C T E D A N D A T T E N T I O N
MUST BE PAID THAT THERE IS
N O C O N T A C T B E T W E E N T H E
M O V I N G P A R T S A N D T H E
POWERED ELECTRIC PARTS.
For the ceiling mounted versions, it
is advisable not to mount the fan-
coil heater at more than 2.5-2.8
meters from the floor, to avoid air
recycling during the heating phase.
3.0 HYDRAULIC CONNECTIONS
Connect the heat exchanger using a
1 / 2 " G F a t t a c h m e n t t o t h e w a t e r
supply, using a spanner and counter-
spanner to avoid damage to the battery
connections. The pipes can come from
the floor, wall or ceiling.
To bleed any air in the circuit, use a
flat screwdriver to open the valve on
the top at the side of the attachments.
If the fan-coil heater is also used for
a i r c o n d i t i o n i n g , c o n n e c t t h e
condensation outlet (Øi = 16) to the
collection circuit; if the additional
external tray has not been requested,
t h e c o o l i n g w a t e r p i p e s m u s t b e
insulated against condensation. It is
advisable to make a water trap on the
condensation outlet pipe to avoid
intake of evil-smelling air. When the
connections are terminated, check
there are no water leaks from the
exchanger or tray. The exchangers are
supplied to work with a maximum
pressure of 10 bar.
T h e b a t t e r y a t t a c h m e n t s o n t h e
standard unit are on the left but if
needed they can be moved to the right
( r e f e r t o t h e i n v e r t i n g b a t t e r y
attachments chapter). To install the
valves on the two or four pipe versions,
follow the instructions given in the
technical manual or included in the
valve kit.
4.0 ELECTRIC CONNECTIONS
Turn the power of at the mains before
beginning the electric connections.
T h e c o n n e c t i o n s m u s t b e m a d e i n
conformity with current standards in
force following the enclosed wiring
diagram with each fan-coil heater.
All the fan-coil heaters are supplied
with a connection box (standard fitting
on the right), which contains all the
r e g u l a t i o n c o m p o n e n t s a n d t h e
grounding terminal.
To reach the components, unscrew the
two screws in the cover next to the lead
outlets.
Each fan-coil heater must be powered
with single phase 230 volts (tolerance
of –5/+10) 50 Hz frequency.
A bipolar motor-circuit switch must be
installed upstream from the fan-coil
heater.
THE CONNECTION BOX CONTAINS:
Standard wall mounted models with
cover
VTP/VB version
- V B c o n t r o l s c o m p l e t e w i t h
summer/winter – off selection switch
and 3 speed selection switch.
- Consent thermostat (for heating)
- Power terminal board
VTP/AB version
- A B c o n t r o l c o m p l e t e w i t h
summer/winter – off selection switch, 3
s p e e d s e l e c t i o n s w i t c h a n d r o o m
temperature regulation thermostat.
VTP-VTS MODELS
Remove the cover (1), by unscrewing
the two screws (2) on the bottom edge
and lift it in the direction shown by the
arrows, to completely extract it from
the positioning pins (3).
During these operations it is advisable
to replace the unit and filter in its
packaging.
3
1
4
- Consent thermostat (for heating).
- Power terminal board
VTP/CBE version
- C B E c o n t r o l s c o m p l e t e w i t h
electronic board, transformer, control
k e y b o a r d w i t h r o o m t e m p e r a t u r e
potentiometer.
- Room air probe and minimum probe.
- Electric connection terminal board.
Standard models without cover or
ceiling mounted (VTI/VTS)
The box just contains a terminal board
for connecting the motor (simple or
three speed), the consent thermostat
and the grounding terminal.
All the settings for speed, temperature,
etc., are done by the installer.
On request TONON S.p.A., can supply
the following controls which can be
mounted on the wall:
C V M : t h r e e s p e e d r e g u l a t o r a n d
summer/winter selection switch
T A M : e l e c t r o n i c t h e r m o s t a t a n d
summer/winter selection switch
CTM: three speed regulator, electronic
thermostat, summer/winter selection
switch and heating element
CEM: three speed regulator, electronic
thermostat, summer/winter selection
switch and solenoid valve control
CEM/D: electronic thermostat, three
s p e e d r e g u l a t o r , s u m m e r / w i n t e r -
heating element and solenoid valve
control selection switch.
These controls are mounted on the wall
using screws and expansion nogs as
described in the instructions contained
with the controls.
If the heating element is installed, it
must be powered separately paying
s p e c i a l a t t e n t i o n t o t h e a b s o r b e d
current (refer to the technical feature
plaque on the heater).
The heater must always be grounded.
– IN COOLING FUNCTION (TO
AVOID WATER CONDENSING)
WE SUGGEST EV2, EV4.
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