2
VEX340 energy-ef cient unitTable of contents
VEX340 (400–2250 m
3
/h) .............. 4
- Technical data ............................................................ 4
- Capacity curves – compact lters ................................ 5
- Temperature ef ciency ............................................... 5
- Sound data ................................................................. 6
- Water heating coil / motor valve data ........................ 7
- Cold water coil / motor valve data ............................. 8
- Dimensional sketches ................................................. 9
VEX340 EXact Control System ........
10
- Control and Operation .............................................. 10
- Connection to external units .................................... 11
- Innovative ice detection and control system .............. 12
- Energy calculations ................................................... 13
- Function overview ..................................................... 14
- Advanced standard functions .................................... 16
- Technical data, modules ........................................... 17
VEX340 General ........................... 18
- Simpli ed diagrams / Abbreviations .......................... 18
- Cable plans ............................................................... 20
- Outdoor installation .................................................. 23
Find more information
Technical submission data together with principles for
connection of water heating coil / cold water coil can be
found on our website under each individual product.
The website also allows users to make technical submission
calculations and nd prices of the complete system
and accessories.
External heating coil/
cold water coil
Can be supplied as accessories. An
electrical preheating coil is available for
installations in areas with low outdoor
air temperatures and high extract air
humidity levels.
Service-friendly unit
The unit’s large apertures ensure easy ac-
cess for servicing and cleaning. The lters,
counter ow heat exchanger and motor
section can be easily removed for cleaning,
servicing and replacing ( lters). The door is
hinged and removable.
Integrated control system
The control system is integrated in the top
of the unit. Control and power supply cables
connect to the integrated connection box,
which also houses the control fuses and
isolation switch.
Internal bypass
The unit have standard built-in modulating
bypass for optimal comfort. The bypass circulates
the extract air around the counter ow exchanger,
depending on the need for heat recovery to maintain
the desired supply air temperature, all year round.
Highly-effi cient counter ow heat exchangers
VEX350/VEX360 units are supplied with highly-ef cient counter
ow heat exchangers, where airstreams are always 100%
separated. The de-icing technology allows continuous operation,
even with low outdoor air temperatures.
Energy effi cient
Low SFP value =
lower energy
consumption.
User friendly
Control panel with large
colour display and user
friendly symbols and
help texts.
High efficiency
Efficient counter flow heat
exchanger delivers optimum
efficency of 85 % or more.
Online calculation
User-friendly website
for professionals with news,
comprehensive documenta-
tion and product calculation
programmes.
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(36 pages)
(32 pages)
Manymanuals.com
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