CDA HCE340 for Servisní příručka stáhnout pdf (Strana 2)

VEX340 energy-ef cient unitTable of contents

VEX340 (400–2250 m

/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 ........

- 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.

RD12386GB-01

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