Exhausto VEX160 Series User manual

VEX160 Horizontal HCE
with EXact2 control
Product information........................................Chapter 1 + 6
Mechanical assembly.....................................Chapter 2 + 3
Electrical installation.......................................Chapter 4
Maintenance...................................................Chapter 5
Unit suplied with (factory fitted):
The following accessories ar supplied
separately:
Crossflow heat exchanger with standard
temperature efficiency
Crossflow heat exchanger with high
temperature efficiency
Airflow control, AFC
Electric heating coil HCE160 - 14,4kW
Electric heating coil HCE160 - 21,6kW
Electric heating coil HCE160 - 28,8kW
VDI 6022
Filter control, MPTF
Pressure based ice detection, DEP
M5-compact filter, FP
F7-compact filter, FP
OD - roof for outdoor
pieces, control panel, HMI
Closing damper, LS500-24, (LSA exhaust)
Closing damper, LS500-24, (LSF outdoor)
Closing damper, LS500-24, with
spring-return (LSAR exhaust)
Closing damper, LSR500-24, with
spring-return (LSFR for outdoor)
pieces, Fire thermostat, BT40
pieces, Fire thermostat, BT50
pieces, Fire thermostat, BT70
pieces, Constant pressure control, MPT-DUCT
Motion sensor, MIO-PIR
Humidity sensor, MIO-RH
CO2-sensor, MIO-CO2-DUCT
CO2-sensor, MIO-CO2-ROOM
Temperature sensor, MIO-TS-DUCT
Temperature sensor, MIO-TS-ROOM
Control for external cooling unit, MXCU
Mounting base, MSV160H
TS-RPT-X
Prod.order no.:
Sales order no.:
Original instructions
3004500-2016-01-14 VEX160H_HCE
EXHAUSTO A/S
Odensevej 76
DK-5550 Langeskov
Tel. [phone]
Fax [phone]
[email protected]
www.exhausto.dk

1. Product information
1.1. Designations used in these instructions.............................................................5
Simplified diagram............................................................................................5
1.2. Application.............................................................................................................6
1.3. Location requirements..........................................................................................6
1.3.1.Space requirements.........................................................................................6
1.3.2. Requirements for underlying surface..............................................................6
1.3.3.Condensation outlet.........................................................................................7
1.3.4.Requirements for duct system.........................................................................7
1.4. Description.............................................................................................................8
1.4.1. Construction of the VEX unit...........................................................................8
1.4.2.Parts of the VEX unit........................................................................................9
1.5. Principal dimensions...........................................................................................10
2. Handling 2.1. Unpacking.............................................................................................................12
2.2. Transport..............................................................................................................12
2.2.1.Passage through openings............................................................................13
2.2.2. Internal transport with reduced weight..........................................................14
3. Mechanical assembly
3.1. Installation............................................................................................................16
3.1.1.Installation directly on floor.............................................................................16
3.1.2.Installation on mounting base........................................................................16
3.2. Condensation outlet............................................................................................16
3.2.1.Establishment of condensation outlet............................................................16
4. Electrical installation
4.1. Electrical installation...........................................................................................18
5. Maintenance, hygiene and servicing
5.1. Operating readings via the HMI panel................................................................19
5.2. Maintenance.........................................................................................................19
5.2.1.Overview of maintenance intervals................................................................19
5.3. Hygiene (VEX100VDI only)..................................................................................20
5.4. Servicing and cleaning........................................................................................20
5.4.1.Filter change..................................................................................................20
5.4.2.Cleaning the fans...........................................................................................20
5.4.3.Cleaning the heating coils..............................................................................20
5.4.4.Cleaning the crossflow heat exchanger.........................................................21
6. Technical data 6.1. Weight, corrosion class, temperature ranges, etc............................................23
6.2. Compact filters.....................................................................................................25
6.3. Electric heating coil ............................................................................................26
6.4. Capacity diagram.................................................................................................27
6.5. Ordering spare parts...........................................................................................27
6.6. Environmental declaration..................................................................................27
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Symbols, terms and warnings
Prohibition symbol Failure to observe instructions marked with a prohibition symbol
may result in serious or fatal injury.
Danger symbol Failure to observe instructions marked with a danger symbol may
result in personal injury and/or damage to the unit.
Scope This instruction manual is for use with EXHAUSTO VEX-type air handling units.
Please refer to the product instructions regarding accessories and extra equipment.
The instructions must be fully observed to ensure personal safety and to protect the
equipment and ensure its correct operation. EXHAUSTO A/S accepts no liability for
accidents caused by equipment not used in accordance with the manual’s instruc-
tions and recommendations.
Supply air/extract
air This instruction manual uses the following terminology: ●Supply air (air blown in)
●Extract air (air removed)
●Outdoor air
●Exhaust air
Front page: Acces-
sories The front page of the instruction manual contains a checklist, detailing the acces-
sories delivered with the VEX unit.
NB When retrofitting EXHAUSTO accessories, please update the checklist on the
front page.
Definition In the type designation Rstands for Right, indicating that the supply air is to the right
of the unit, as seen from the operating side. Supply air to the left is designated with
L for Left
Warnings
Opening the unit
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Do not open the service doors until the supply voltage has been
disconnected at the isolation switch and the fans have stopped.
ON OFF
VEX100H
VEX100V
RD13318-01
No duct connection If one or more of the spigots is not connected to a duct: fit a pro-
tective net to the spigots with a maximum mesh width of 20 mm.
Lock the air han-
dling unit during op-
eration
The VEX unit must always be locked
during operation:
●Use the cylinder lock in the handle.
Remember to remove the key from
the lock.
●Or use a padlock. Use the handle’s
built-in padlock fixture.
Lock
Padlock fitting
Rating plate The VEX unit rating plate shows:
●VEX unit, type (1)
●production number (2)
1
2
NB Always have the production number ready when contacting EXHAUSTO A/S.
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1. Product information
1.1 Designations used in these instructions
Simplified diagram
Component Function Standard/accessory
HCE Electric heating coil Standard
TSA70 Overheating protection, electric heating coil
(automatic reset) Standard
TSA80 Overheating protection, electric heating
control (manual reset via HMI) Standard
TSA90 Overheating protection, electric heating
control (manual reset via HMI) Standard
MPT1, P1 Airflow control, extract air Accessories
MPT1, P2 Airflow control, supply air Accessories
MPT2, P1 Filter monitor, extract air Accessories
MPT2, P2 Filter monitor, outdoor air Accessories
MPT3, P1 Ice detection Accessories
LS(F)/LS(F)R Closing damper, outdoor air Accessories
LS(A)/LS(A)R Closing damper, exhaust air Accessories
BP1 Bypass damper Standard
M1 Extract air motor Standard
M2 Supply air motor Standard
MC1 Motor controller, motor 1 Standard
MC2 Motor controller, motor 2 Standard
Main board Control system Standard
TE11 Temperature sensor, extract air Standard
TE12 Temperature sensor, exhaust air Standard
TE21 Temperature sensor, outdoor air Standard
TE22 Temperature sensor, supply air Standard
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Component Function Standard/accessory
Tice Temperature sensor for ice in exchanger Standard
1.2 Application
Comfort ventilation EXHAUSTO VEX is used for comfort ventilation tasks.
Operating temperature range for the unit - see section "Technical data".
Prohibited uses The VEX unit is not to be used to transport solid particles or in areas where there is
a risk of explosive gases.
1.3 Location requirements
Positioning The unit is designed for indoor fitting. The unit can be ordered for outdoor fitting, in
which case it is provided with a roof (accessory VEX100OD).
1.3.1 Space requirements
The drawing below indicates how much space is needed for opening the doors and
servicing the unit, e.g. changing filters, cleaning, servicing, etc.
1810
840
RD10300-02
890
NB For servicing, the VEX must have a free height of at least 300 mm above the con-
nection box.
1.3.2 Requirements for underlying surface
When fitting the unit directly to an existing surface - i.e. without using the mounting
base (accessory) - the surface must be:
●level
●horizontal (±3mm per metre
●hard
●vibration-resistant
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1.3.3 Condensation outlet
A condensation outlet must be installed in the immediate vicinity of the unit. See also
"Mechanical assembly" section.
1.3.4 Requirements for duct system
Silencers The duct system must be fitted with silencers specified by the Project Manager,
which meet the requirements of the operating area.
Bends Aductbendmay be fittedimmediatelyafterthe unit, becausetheairflowin the spigot
has a uniformly moderate speed profile, which results in negligible system pressure
loss.
Insulation The duct system must be insulated against:
●condensation
●sound leakage
●heating/cooling losses
Condensation Condensation in the ducts may occur when the exhaust/outdoor air has high hu-
midity. EXHAUSTO recommends a condensation outlet is also fitted at the lowest
point in the ducts.
Outdoor air intake The outdoor air intake must be dimensioned with sufficiently low airflow to prevent
rain and snow being drawn into the duct system.
No duct connection If one or more of the spigots is not connected to a duct: Fit a pro-
tective net to the spigots with a maximum mesh width of 20 mm.
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1.4 Description
1.4.1 Construction of the VEX unit
The following drawings show an overview of the construction of left and right-hand
models of VEX units (shown without doors).
1,1,A
2,1,A
1,2,A
2,2,A
1
2
3
5
678910
11
12
13
17 18 19 21
16
22
RD10181-02
14
15
23 24 25
Left
20
4
1,1,A
2,1,A 1,2,A
2,2,A
1
2
3
4
5
67 8 9 10
11
12
13
17181920
16
21
RD10224-02
14
15
2223
Right
25 24
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Pos. Part Function
1 Spigot 2,1,A Outdoor air spigot The spigot can also be positioned on the top
of the unit (2,1,B).
2 Closing damper LS Closing damper, outdoor air, LSF (accessory)
3 Outdoor air filter Filters outdoor air
4 Bypass damper For operation with heat recovery, the bypass damper is closed
so that the air passes through the crossflow heat exchanger. For
bypass operation, the damper is open, and the air bypasses the
heat exchanger.
5 Spigot 1,1,A Extract air spigot
6 Condensation outlet Channels condensate to the drain.
7 Extract air filter Filters extract air
8 Crossflow heat exchanger Conducts heat from extract air to supply air
9 Condensation tray Collects the condensate and drains it away from the crossflow
heat exchanger to the condensation outlet.
10 Electric heating coil Heats supply air if heat recovery is insufficient.
11 Spigot 2,2,A Supply air spigot The spigot can also be positioned at the bottom
of the unit (2,2,B)
12 Supply air fan For outdoor air/supply air
13 MPT1 Airflow control (accessory).
14 Extract air fan For exhaust/extract air.
15 Closing damper LS Closing damper, exhaust air, LSA (accessory)
16 Spigot 1,2,A Extract air spigot The spigot can also be positioned on the top of
the unit (1,2,B).
17 Isolation switch Connects/disconnects current.
18 Connection box Connection of accessories.
19 Terminal row Connection of accessories to ventilation unit.
20 Bypass motor Opens/closes bypass damper.
21 Sliding plate Positioning of motor control components.
22 EXact2 control Control system.
23 MPT3 (DEP) Ice detection (accessory).
24 MPT2 (MPTF) Filter monitor (accessory).
25 HMI panel Control panel.
1.4.2 Parts of the VEX unit
Cabinet The inside and outside of the cabinet is made of Aluzinc® The cabinet is insulated
with 50 mm mineral wool.
Fans The unit contains two centrifugal fans with backward curved blades for extract air
and supply air.
Crossflow heat ex-
changer The crossflow heat exchanger in the unit is mounted with a modulating bypass damper. The crossflow heat exchanger can be removed for cleaning.
Filters The unit includes integral compact filters for both extract air and supply air.
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1.5 Principal dimensions
VEX160H, Left The following drawing gives the principal dimensions:
2,2,A
1,2,A
2,1,A
1,1,A
MN
N
M
DN32
62 1820
350 1,2,B 2,1,B
1,2,A 2,1,A
2,2,A
2,2,B
1,1,A
350
12
387
1037
1412 62
552
388
O
500
O500
1093
470
O
500
940*
RD10307-02
62
668 517
95**
315
62
388 470
890
470
O500
357
442
37
552
NB The drawing shows all of the spigot positioning options.
* Allow a distance for service in front of the unit equivalent to the unit depth.
** Allow a min. of 300 mm free height for service.
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VEX160H, Right The following drawing gives the principal dimensions:
MN
N
M
RD10310-02
DN32
2,1,A
1,1,A
62
315
2,1,A
1,1,A
500
940*
470
890
470
500
442
470
O
O
1820
1,2,B
2,1,B
2,2,B
668517
95**
2,2,A
1,2,A
500
00
62
O
O5
1093
357
37
62
350
1,2,A
2,2,A
350
12
387
1037
1412 62
552
388
388
552
NB The drawing shows all of the spigot positioning options.
* Allow a distance for service in front of the unit equivalent to the unit depth.
** Allow a min. of 300 mm free height for service.
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2. Handling
2.1 Unpacking
Supplied compo-
nents The following components are supplied: ●VEX unit
●Supplied accessories (as indicated in the checklist on the front page of the in-
structions).
Packaging The unit is delivered on a disposable pallet and packed in clear plastic.
NB Once the plastic has been removed, the unit must be protected against dirt
and dust:
●The covers on the spigots must not be removed until the spigots are con-
nected to the ventilation ducts.
●Whenever possible, keep the unit closed during fitting.
The unit should be
cleaned before it is
used.
Once the VEX unit is fitted, it must be checked and thoroughly cleaned. All dust,
debris and metal shavings must be vacuumed up.
2.2 Transport
Transport Transport the VEX unit on the disposable pallet. Do not lift it with the spigots or
connection box.
Transport methods Transport the VEX unit in one of the following ways:
Method Drawing
Manual transport:
Lifting brackets for
manual transport can
be fitted as shown on
the drawing:
RD10541-01
RD10542-01
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Method Drawing
Using pallet truck or
fork-lift truck:
Lift the VEX unit on the
disposable pallet.
IMPORTANT:If the dis-
posable pallet cannot
be used, the forks on
the lifting equipment
must be long enough to
prevent damage to the
bottom of the unit.
RD10248-01
Crane: Never lift the
VEX unit
with the lift-
ing brackets
by using a
crane.
Use straps and lifting
yokes to prevent dam-
age to the unit.
RD13391-01
2.2.1 Passage through openings
Height VEX height is 1507 mm + any base spigot (+62 mm).
Width The list (below) shows how wide the opening has to be for the unit to pass through:
If the opening width is ...*) Response
less than 900 mm the unit will not pass through.
between 900 and 950 mm remove doors, see relevant section.
greater than 950 mm the unit can pass through.
*) Measurements are based on the exact dimensions of the VEX unit.
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2.2.2 Internal transport with reduced weight
Removing the serv-
ice doors To remove the service doors: ●Open both doors
●Using a small punch or similar tool, knock the pin out of the top of the door
hinges (A), and lift the doors off.
RD10247-02 Detail A
A
Weight reduction The weight can be reduced during transport by removing service doors, fans and
crossflow heat exchanger. The table below shows the how much weight can be
reduced by removing the various parts.
Parts Weights, VEX160H
Fan, 2 items at 26 kg = 52 kg
Crossflow heat exchanger, 1 item at 51 kg
Doors, 2 items at 24 kg = 48 kg
Total weight 360 kg
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To remove the fan
unit
RD11567-02
Step Action
1 Remove the fixing screw from the sliding rail,
and release the ties on the motor cable.
2 Pull the fan unit out to the stop (two screws) on
the sliding rail.
3Dismountthemotor cablefromthe motor control
on the sliding panel and pull it towards the motor
through the rubber grommets.
4Remove the two sliding rail screws. The fan unit
can now be lifted off.
Note weight The fan units weigh 26 kg each - requiring two persons to lift each
unit.
Dismounting See section "Maintenance" for instructions for dismounting fans and crossflow heat
exchanger and for removal of filters.
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3. Mechanical assembly
3.1 Installation
Description ItisimportantthattheVEX is installedonalevelsurface,as this affectsthecollection
and draining of the condensate.
3.1.1 Installation directly on floor
The requirements for the floor surface must be met, see the section entitled "Require-
ments for underlying surface".
NB After installation, check the VEX unit is completely level.
3.1.2 Installation on mounting base
The EXHAUSTO mounting base enables the VEX unit to be installed correctly. The
base is equipped with adjustable levelling screws, so that the air handling unit can be
fitted horizontally on a surface that is not level ( +/- 20 mm per metre). See the separate
instructions for installing the mounting base.
3.2 Condensation outlet
Drain the condensation outlet into a floor gully or similar. The con-
densation outlet must be fitted with a water trap. See below.
Risk of frost Where there is a risk of frost: Insulate the condensation outlet and
protect it against frost - if necessary, using a heating cable.
3.2.1 Establishment of condensation outlet
Positioning The following two drawings show examples of how the drain from the condensation
outlet can be established and the correct dimensions for the water trap:
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Solutionwithsiphon
water trap (accesso-
ry)
The siphon water trap is easy to install and service.
120
RD13442-01
Solution with HT
pipe Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not sup- plied by EXHAUSTO).
RD10185-02
NB If the VEX is erected on a mounting base, this will allow sufficient free height for
installing a water trap.
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4. Electrical installation
4.1 Electrical installation
See the attached instructions “Guide to Electrical Installation of VEX140 HCE with EX-
act control system”:
Guide to Electrical Installation of
VEX100 with electric heating
coil and EXact2
ON
Electrical installation........................................Chapter 1 + 2
Original instructions
3004524-2013-02-07 VEX100_HCE_EXact2 Danish-English
EXHAUSTO A/S
Odensevej 76
DK-5550 Langeskov
Tel. [phone]
Fax [phone]
[email protected]
www.exhausto.dk
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5. Maintenance, hygiene and servicing
5.1 Operating readings via the HMI panel
HMI panel Refer to the “EXact2 Control System Basic Instructions for VEX100” for instructions
on accessing Menu 2 Operating readings via the technician menu (access code
1111) to check the unit’s operating status.
5.2 Maintenance
5.2.1 Overview of maintenance intervals
Thefollowingchartdetailstherecommended maintenanceintervalsfortheVEX.based
on normal operation. EXHAUSTO recommends maintenance is adjusted to suit the
actual operating requirements.
Component Procedure Twice a
year Once a year
Filters* Change filters when HMI displays filter alarm.
We recommend that both filters are changed at the
same time.
NB: The control system can issue a warning when
the filter is becoming soiled
Filters should be changed at least: X
Filter guide Check that all the seals are tight X
Seals and sealing strips Check that all the seals are tight X
Fan ●Check that the fan impeller is securely fixed to
the shaft.
Remove the fan unit. See section "Internal
transport with reduced weight"
●Cleaning, see section "Servicing and cleaning"
X
Crossflow heat exchanger Clean the heat exchanger, see section "Cleaning of
heat exchanger" X
Bypass damper Check damper function X
Heating coil Cleantheheatingcoil,seesection"Cleaningofheat-
ing coil" X
Safety functions check ●Fire thermostat check
●Temperature sensors on heating pipes X
Closing damper Check damper function X
Condensation outlet Check that the outlet works by pouring water in the
condensation tray X
*Filters Only use original filters
●The provided filter data and pressure loss graphs (section "Technical data") are
based on the use of original filters
●EUROVENT certification is only valid if original filters are used
●Use of non-original filters may cause leakage in the VEX and impair filter func-
tion
●EXHAUSTOrecommendsthatyouregisterthefilterreplacementdatetoensure
filters are replaced at the correct intervals
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5.3 Hygiene (VEX100VDI only)
VDI6022 air hygiene
standard To ensure that the VEX100 meets the requirements of the VDI6022 hygiene stand- ard, its design ensures that:
●bacterial growth and dirt accumulation are minimal
●conditions for cleaning are optimum
Filter F7 The outdoor air side of the unit must be fitted with a F7 filter to meet VDI6022 re-
quirements.
5.4 Servicing and cleaning
5.4.1 Filter change
Disconnect power at the isolation switch before opening the door.
Pull the filters out. Remember to check the flow direction - see the arrows on the filter.
Discarded filters must be stored immediately in sealed plastic bags and disposed of
responsibly.
Filter change in
menu 8.1 After filter change (timer operation only): Go to menu 8.1 in the EXact control system and select "Yes" next to filter change to reset the operating days counter.
5.4.2 Cleaning the fans
Step Action
1Switchoffthepowersupplytotheunitattheisolationswitchbeforeopening
the doors.
2 Pull out the fan section: Release the fixing screw on each sliding rail and
undo the ties on the motor cables. Pull the fan unit out to the stop (two
screws) on the sliding rails.
3Clean the fan impeller with a vacuum cleaner and wipe down with a damp
cloth if necessary. Clean the blades on the fan impeller carefully to avoid
disrupting the balance If there are weights on the fan impeller, these must
not be removed.
4 After cleaning the fan impeller, check that the unit does not vibrate when
operating.
5.4.3 Cleaning the heating coils
Step Action
1Switchoffthepowersupplytotheunitattheisolationswitchbeforeopening
the doors.
2 Vacuum clean the heating coil
3 Check that the fins on the heating coil are not deformed.
The fins are sharp.
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