Technical Specifications - AERMEC VCFD 124 Manuel D'installation

VCF
WARNING: The appliance must be fitted according to the
national rules of process plant engineering.
WARNING:check that the power supply is disconnected
before performing operations on the unit.
WARNING:the electrical wirings, the installation of fan coils
and their accessories must only be carried out by people with
the proper technical and professional qualifications for the
installation, conversion, expansion and maintenance of the
systems and able to check that it is working properly and safe.
In the specific case of electrical wirings, the following must
be checked:
- Measurement of the electrical system insulation strength.
- Continuity test of the protection wires.
WARNING:before carrying out any work, put the proper
individual protection devices on.
WARNING: Touching live components could electrocute you.
DESCRIPTION
The kit consists of a valve, actuator and relevant water fittings;
it is suitable to be installed on the fan coils with right and left
attachments.
The valve in this kit is an all or nothing-type valve, normally closed.
The valve must be controlled by the control panels which are
enabled for the valve checking function. Consult the control
panel characteristics before selecting a panel.
Consult the technical documentation of the fan coil to select
the models suitable for the installation to be carried out.
VCFD124, VCFD224, VCFD324 for coil of: FCX, FCS, FHX.
VCFD424 for coil accessory BV at 1 row.
ASSEMBLY INSTRUCTIONS
Preliminary operations
Before installing the VCFD kit, consult the fan coil installation
manual (FCX, FCS, FHX); it is the installer's job to prepare
the water and electrical systems and to make the proper
connections with the unit.
The VCFD valves can be fitted to the fan coils with left or right
connections.
Install according to what is illustrated in the figures; in case
of removal, the gaskets must be replaced with a new series
having the same characteristics.
Slide off the SW minimum temperature probe from the coil to
be then fastened to the upstream delivery pipe of the valve.
WARNING: During installation, pay attention to the flow
direction, before fitting the valve, check the installation
direction referring to the embossed symbol on the valve body
(see figures).
The body of the valve must be installed without overtightening.
All tubes, valves and fittings must be completely isolated.
This is very important in systems with cold water which can
otherwise cause condensation with consequent outpouring
into the environment.
Installation
- Fit the supplied pipes to the valve body;
- Fit the valve unit with the attached pipes to the fan coil;
- Connect the water system pipes to the valve body or to the
coupling pipes (depending on the valve model), fittings and
gaskets are the installer's responsibility;
- Fit the actuator to the valve body;
- Fasten the SW minimum temperature probe on the delivery
pipe upstream of the valve.
- Isolate the valve and all exposed tubes and joints.
Electrical wirings
Connect the valve electrical wires to the unit control board as
indicated in the wiring diagrams attached to the fan coil or the
control panel manuals.
Water connections
VCFD 124 - 224 - 324 water connections directly on the valve
with ¾" flat sealing gaskets (plant side).
VCFD 424 water connections on flat flared copper tubes and
½" flat sealing gaskets (plant side).
Connect the VCFD kit and fan coil with an O-Ring fitting.
4
COMPLIANCE
VCFD complies with the following harmonised standards:
- EN 60730-1
- EN 60730-2-14
complying in this way with the essential requirements of the following
directives:
- LVD Directive 2006/95/EC
- Electromagnetic Compatibility Directive 2004/108/EC

TECHNICAL SPECIFICATIONS

Power supply:
Initial input power:
Input power during operation:
Water temperature range:
Usable liquids:
Operating time:
Maximum working pressure applied to fan coils: 800kPa
Environmental operating conditions
Temperature:
relative humidity:
Environmental storage conditions
Temperature:
relative humidity:
Actuator water protection level:
Actuator electrical protection level:
Valve connections [mm]
Models VCF124 VCF224 VCF324 VCF424
3/4"
Pressure drop
Models VCF124 VCF224 VCF324 VCF424
Kvs 2,6
( (
2
Δp [kPa] = Pressure drop
10 q
Dp =
q [m
Kvs
VCFD1-2-3
24V ~ 50Hz
6VA
2.5W
4°C ÷ 80°C
water
(with glycol ≤ 50%)
3min ÷ 5min
0°C ÷ 40°C
10% ÷ 90%
without condensation
-18°C ÷ 60°C
10% ÷ 90%
without condensation
IP44 in compliance with
EN 60529
Type II
3/4" 3/4" 1/2"
2,6 2,6 1,7
3
/h] = Water flow rate
FanCoil
FanCoil
VCFD4