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AERMEC VED 641 - VMF SYSTEM AND THERMOSTATS; VMF - Variable Multi Flow System Overview; VMF-EO Electronic Thermostat; VMF-EO Management Features

AERMEC VED 641
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51
IVEDPY 1110 - 4879010_01
VMF-E0 ELECTRONIC THERMOSTAT FOR FANCOILS
Each thermostat applied to a VED
series unit must be interfaced with a
VMF-SIT3 card.
The VMF-E0 accessory is an advanced
electronic thermostat kit to be applied
to the fan coils; requires a wall mounted
interface (VMF-E4).
The VMF-E0 thermostat must be applied
to the side of the fan coil.
With the VMF-E0, you can manage:
an E0-type thermostat board inserted
in a protective box and easily applied
to the side of the fan coil. The E0-type
thermostat board has a protective fuse,
a dip-switch for configuration, and
connectors for connection with:
- the power supply,
- the earthing,
- the valve control,
- the fan motor control,
- external air temperature sensor,
- water temperature sensor,
- the control panel (user interface),
- the external contact,
- the fan coil network serial (TTL).
Three fan coil speeds in manual mode
Continuous ventilation and thermostat
control, by controlling the valves.
Automatic fan mode according to the
load.
Season visualisation.
Visualisation of alarms and ventilation
request.
Up to two ON/OFF 2- or 3-way valves.
The switch-on of an electric heater.
A germicidal lamp.
Plasmacluster filter.
An air temperature sensor.
A water temperature probe, with mini-
mum and maximum temperature and
changeover functions.
Season change according to the water
or air temperature (4-pipe systems).
Input for “external contact”. This is a digi-
tal input with the following logic: When
open, the thermostat works normally;
When closed, the fan coil is switched off.
Microswitch for fin contact.
Anti-freeze function.
Communication with other thermo-
stats, via a dedicated serial based on
the TTL logic standards.
WARNING! : Not all accessory features are applicable to the unit. Check the compatibility of the functions with the
configuration of the unit and other accessories used. For complete information concerning the functions, refer to the technical
manuals of the unit and the accessories.
ACCESSORIES
VMF - VARIABLE MULTI FLOW SYSTEM
VMF: Variable Multi Flow system
Management and control system of
hydronic systems for the conditioning,
heating and production of domestic
hot water.
The VMF system allows complete con-
trol of every component of a hydronic
system both locally and centrally and,
communicating between the various
components of the system, manages
the performance without ever neglect-
ing the end user's request of comfort,
but reaching it as efficiently as possible
with energy saving.
Summing up the advantages of this
innovative control with the flexibility
of a hydronic system, a more effective
and efficient alternative to the vari-
able refrigerant flow systems (VRF) is
obtained.
The VMF system is extremely flexible,
enough to allow various control and
manage steps, expandable at different
moments:
1) Control of a single fancoil
2) Control of a microzone (one MASTER
fancoil and a maximum of 5 SLAVE
fancoils)
3) Control of multi independent zones
system (one MASTER fancoil and a
maximum of 5 SLAVE fancoils for each
zone)
4) Control of a fancoil system, plus man-
agement of the heat pump (if compat-
ible with the VMF system)
5) Control of a fancoil system, heat
pump and management of the domes-
tic hot water system (VMF-DHW)
6) Control of a fancoil system, heat
pump, domestic hot water produc-
tion and additional circulators (up to a
maximum of 12 using three additional
VMF-CRP modules).
7) Control of a fancoil system, heat
pump, domestic hot water production,
additional circulators and manage-
ment of heat recovery units, maximum
3, (with the ability to handle up to 3
VMF-VOC probes) or a boiler.
The VMF system can operate and
manage, through a VMF-E5 panel, a
maximum of 64 zones consisting of a
MASTER fancoil and a maximum of
5 SLAVE fancoils connected to each
MASTER, for a total of 384 fancoils
Besides the central control supplied by
the VMF-E5 panel, the MASTER fan-
coils must be provided with a local
control interface; this interface can be
assembled on the fancoil (VMF-E2 /
VMF-E2H) or on a wall panel (VMF-E4)
Different functions can be controlled
through the VMF-E5 panel, including :
- Identify the different zones setting a
name for each one
- Check and set the ON-OFF function
and the set temperature of each zone
- Set and manage the set temperature of
the heat pump
- Scheduling time slots
• Simple installation of the fancoil sys-
tem through the SELF-MONITORING
function of the MASTER fancoils
The VMF-E0 kit consists of:

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