Vectaire WHHRM300DC Assembly instructions

"WHHRM300DC and
WHHR400DC"
Whole House Heat Recovery Unit with Low Energy
DC Motor - for domestic and commercial use
Installation, Operating and Maintenance
Instructions
Vectaire Ltd, Lincoln Road, Cressex Business Park, High Wycombe, Buckinghamshire, HP12 3RH
Tel: [phone]. Fax: [phone]. Email: [email protected]
WHHRM300DC/WHHR400DC/Sept2010 E&O.E

WHHRM300DC & WHHR400DC
Table of contents
Chapter Page
Application 11
Version
Duct connection options
Bypass
Technical information
Fan graphs
2
2.1
2.2
2.3
2.4
2
2
2
3
4
Design
Exploded view appliance
Component functions
3
3.1
3.2
5
5
5
Operation
Outline description
LED indication system and control panel
Bypass conditions
Frost protection
Filter indication
Option pcb
4
4.1
4.2
4.3
4.4
4.5
4.6
6
6
6
6
7
7
7
Installation
Installation general
Siting the appliance
Connecting ducts
Connecting the condensate discharge
Electric connections
Connecting the multiple switch
Connecting the OpenTherm connector
Connecting the power
Connections / dimensions Vectaire WHHRs
Connections / dimensions type WHHRM300DC
Connections / dimensions type WHHR400DC
5
5.1
5.2
5.3
5.4
5.5
5.5.1
5.5.2
5.5.3
5.6
5.6.1
5.6.2
8
8
8
8
9
10
10
11
11
12
12
13
Operation instructions
Switching the appliance on and off
Setting the air quantity
Other user settings
Installer settings
Menu structure display
Diagram menu structure
Readout settings
Readout settings by the user
Readout settings by the installer
Modifying settings
Modifying settings by the user
Modifying settings by the installer
Adjustable settings table
6
6.1
6.2
6.3
6.4
6.5
6.5.1
6.6
6.6.1
6.6.2
6.7
6.7.1
6.7.2
6.7.3
14
14
14
15
16
17
17
18
18
18
19
19
19
20
Fault
Trouble shooting
Filter fouled indication
Display codes
7
7.1
7.2
7.3
21
21
21
21

WHHRM300DC & WHHR400DC
Table of contents
Maintenance
User maintenance
Installer maintenance
8
8.1
8.1
22
22
23
Electric diagrams
Basic diagram without bypass
Basic diagram with bypass
Wiring diagram without bypass
Wiring diagram with bypass
Wiring diagram connection preheater to WHHRM300DC & 400DC without option pcb
9
9.1
9.2
9.3
9.4
9.5
25
25
26
27
28
29
Service
Exploded view Vectaire WHHRM300DC and WHHR400DC
Replacement/ spare parts
10
10.1
10.2
30
30
30
Appendixes
Declaration of conformity
31
31
Chapter Page

WHHRM300DC & WHHR400DC 1
Application Chapter 1
These appliances are very economic Vectaire heat
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• completely new frost protection system that ensures op
timum performance of the appliance, even at very low at
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The appliance comes ready for use. All control equipment has
been mounted and checked in the factory.
On installation, the appliance must be connected to the air
ducts, the condensate discharge, the mains supply and the
multiple switch.
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with the aid of the control panel on the appliance. See Chapter
6 for a detailed description.
The possibilities of these WHHRs can be extended by using
the separately available option pcb that the installer can place
in the appliance. For a description of the possibilities of the op
tion pcb, see section 4.6 and wiring diagram section 9.4.
This option pcb is described in more detail in the installation
instructions that come with the option pcb.
It is possible to connect a preheater to the basic pcb of the
WHHRDCs without having to install an option pcb (see section
9.5).

WHHRM300DC & WHHR400DC 2
2.1 Ducts connection options
Chapter 2 Version
The WHHRDCs are available in two versions as regards venti
lation capacity:
• “WHHRM300DC” has a ventilation capacity of up to 300 m
3
/h
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• “WHHR400DC” produces a maximum of 400 m
3
/h at 150
Pa resistance in the duct system.
Both versions are available with or without a bypass unit.
They are ready to be hard wired to the mains and
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side of the appliance.
The WHHRDCs are available in three versions as regards ducts
connections:
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For pictures and dimensions of these appliances, see sections
5.6.1 & 5.6.2.
2.2 Bypass
The appliance can be supplied ex factory with a bypass, which
can be used to interrupt the heat recovery if desired, to supply
fresh, cool outside air. The information and diagram in these
installation instructions refer to the bypass that is supplied ex
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sliding grate that shuts off the supply air through the exchanger.
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mount a sliding grate.
The operation and preconditions of the bypass control are ex
plained in more detail in section 4.3. The bypass unit that is
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IDFWRU\¿WWHGE\SDVV

WHHRM300DC & WHHR400DC 3
2.3 Technical information
WHHRM300DC WHHR400DC
Supply voltage [V~/Hz] 230/50
Protection degree IP31
Dimensions (w x h x d) [mm] 675 x 602 x 420 675 x 602 x 430
Duct diameter [mm] Ø150 Ø180
External diameter condensate discharge [mm] Ø20
Weight [kg] (Excl. bypass unit of 3.5 kg) 31 32
Filter class G3 (F6 optional)
Fan setting 123123
Ventilation capacity [m
3
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settings 100 150 225 100 200 300
Permissible resistance in the ducting [Pa]      
Rated power [W]      
Rated current [A]    0.2  
&RVij    0.54  
Noise capacity
level Lw (A)
Static pressure [Pa] 40 80 160 40 80 240
Housing emission [dB(A)] 28.5 38 46.5 <32 42 52.5
Duct “from dwelling” [dB(A)] <24 33 41 <30.5 38 46.5
Duct “to dwelling” 48.5 56 66 51.5 61.5 69
Version Chapter 2
Bypass unit
Supply voltage [V/Hz] 230/50
Protection degree IP31
Dimensions (w x h x d) [mm] 675 x 602 x 85
Weight [ kg] 3.5
Rated power [W] 5
Rated current [A] 0.02

WHHRM300DC & WHHR400DC 4
Chapter 2 Version
2.5 Fan graphs
Fan graph WHHRM300DC
$
Note: The value stated in the circle is the capacity per fan (in Watts)
Note: The value stated in the circle is the capacity per fan (in Watts)
Flow rate [m
3
/h respectively]
Resistance ducts system [Pa]
Resistance ducts system [Pa]
Fan graph WHHR400DC
$
Flow rate [m
3
/h respectively]

WHHRM300DC & WHHR400DC 5
Design Chapter 3
3.1 Exploded view appliance
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% ,QSXWDLUÀRZ
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3.2 Component functions
1 Interior temperature sensor Measures the temperature of the air from the dwelling.
2 Heat exchanger Ensures heat transfer between input and output air
3 Filters )LOWHUERWKDLUÀRZV
4 Atmospheric temperature sensor Measures outside air temperature.
5 Communication port &RQQHFWLRQVIRUFDEOHWRPXOWLSOHVZLWFKLIGHVLUHGZLWK¿OWHULQGLFDWRU
6 Cable grommet Grommet for feeding through power cable 230 Volt
7 OpenTherm connection 7ZRSROHFRQQHFWRUIRU2SHQ7KHUPFRQWURO
8 2SWLRQSFEQRQVWDQGDUG Contains various additional control inputs and outputs for provisions such as a pre
heater, a postheater, two control valves, CO
2
sensor, H
2
O sensor and emergency
setting.
9 Input fan Feeds fresh air into the dwelling.
10 Basic pcb Contains the control electronics for the basic functions.
11 Computer port Computer connection for service purposes.
12 Control panel Interface between user and control electronics.
13 Output fan Discharges fouled air from the dwelling to the atmosphere.
14 Duct spigots Connections for the input and output ducts.
15 Connection condensate discharge Connection condensate discharge.

WHHRM300DC & WHHR400DC 6
Chapter 4 Operation
4.1 Outline description
These appliances are highly advanced heat
recovery units, specially designed for minimum energy
consumption and maximum comfort. This is achieved with the
aid of various electronic control systems. A control unit with mi
croprocessor controls and monitors the safe operation of the
appliance and ensures that the air quantities remain constant
and at the preset values.
The units come with a control panel with display, enabling
stepless adjustment of the volume without having to open
the appliance. Moreover, information regarding the operation
can be read out from the outside of the appliance.
4.2 LED display system and control panel
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be used to retrieve and modify the settings in the control unit
program.
The control panel has four keys and a display.
On the left the display indicates the ventilation setting or the
parameter type. On the right it shows the readout value, for
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The 4 keys have the following functions:
• F Function key / switching on and off parameter menu
• + Next parameter / increase value
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• OK Switching on and off settings menu / manual
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Other commands can be entered with key combinations.
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setting
• OK & + (ON), switch on appliance
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Wherever this booklet states that a key has to be pressed, the
key in question is printed in quotation marks and in bold.
([DPSOHSUHVVNH\³OK”.

Control panel WHHRDCs
1 = Display
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3 = Key increase parameter
4 = Function key
5 = Key decrease parameter
Example:
The display now shows that the
appliance is running at venti
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280 m
3
/h.
4.3 Bypass conditions
The bypass, if mounted, makes it possible to supply fresh out
side air that is not heated by the heat exchanger. Particularly
during summer nights it is desirable to supply cooler outside air.
Then the hot air in the dwelling is replaced by cooler outside air
so far as is possible. The bypass damper opens when the inte
rior temperature exceeds an adjustable temperature (standard
22 °C) while the outside air is warmer than an adjustable tem
perature (standard 10 °C) but colder than the interior air. Out
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air quality is optimal, irrespective of the bypass setting.
The installer can set the bypass for different situations at adjus
table parameter I8 (also see §6.4).


WHHRM300DC & WHHR400DC 7
Operation Chapter 4
4.4 Frost safety
The frost protection system ensures that the secondary side
of the heat exchanger (outlet side) does not freeze up by in
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dependent on the outside air temperature and the pressure
across the heat exchanger.
4.5 Filter indication
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mation refer to sections 7.2 and 8.1.
4.6 Option pcb
The Vectaire appliance can be equipped with an optional
pcb (product code 289990).
It provides the following functions.
Input 0-10 V for a carbon dioxide sensor
When several people are present in the dwelling, more C0
2
is produced and then this sensor automatically increases the
ventilation quantity.
Input 0-10 V for a humidity sensor
When the humidity content in the dwelling increases, for instan
ce when someone is taking a shower, this sensor automatically
increases the ventilation quantity.
Switching input for bedroom valve.
With this input (make contact) the bedroom valve can be con
trolled, for example by using a time switch.
Switching output for bedroom valve 24 volt AC
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valve. Such a valve can directly be connected to the pcb. The
valve can be controlled from the switching input for the be
droom valve.
Control for preheater up to 1000 W
The preheater ensures that the input air is kept above 0°C, so
the 7((2$#S can continue the balanced ventilation also at
very low atmospheric temperatures. The option pcb contains a
control for a preheater up to 1000 W. The preheater can be con
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power cable must separately be connected to the option pcb.
Control for postheater up to 1000 W
The postheater ensures that the supply air that is blown into
the dwelling can be kept at the preset temperature. That way
additional warmth can be brought into the dwelling. The option
pcb contains a control for a postheater up to 1000 W. The pos
theater can be connected to the option pcb without separate
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nected to the option pcb.
Two freely programmable input connections
These inputs make it possible :
• to open the bypass without regard for the temperature con
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• to switch the inlet or outlet low or high, to circumvent the
IURVWSURWHFWLRQ
• to switch the inlet low when the bypass opens.
Switch input for emergency.
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mode.
As standard this is set to switch off the fans.

WHHRM300DC & WHHR400DC 8
Chapter 5 Installation
5.1 Installation general
The appliance installation procedure can be summarised as
follows:
1. Siting the appliance (§5.2)
2. Connecting the ducts (§5.3)
3. Connecting the condensate discharge (§5.4)
4. Electric connection:
Connecting the multiple switch and, if necessary, the mains
power and the OpenTherm connector (§5.5)
The WHHRDC must be installed in accordance with:
• Quality requirements ventilation systems dwellings,
• Quality requirements balanced ventilation in dwellings,
• The regulations for ventilation of dwellings and residential
buildings
• The relevant electrical safety regulations,,
• The regulations for connection to interior sewers in dwel
lings and residential buildings,
• Any additional regulations of the local authorities
• The installation instructions for the WHHRDCs.
5.2 Siting the appliance
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ging bracket is supplied.
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roof space above the normal level of insulation the insula
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appliance forming an insulated compartment.
• It should be sited so that good condensate discharge with
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• Ensure there is a free space of at least 700 mm at the front
of the appliance to provide room for opening the door and
a free headroom of 1.8m for maintenance purpose.
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wall with a mass of less than 200kg/m
2
additional measu
res such as double panelling, extra studs or an acoustic
mat will be required.
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ble (product code 217031).
5.3 Connecting ducts
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The appliance itself controls the air volume.
To prevent condensation on the ducts to and from the outside,
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an insulated duct with a vapour barrier.
To limit fan noise use acoustic duct for a length of 1
PHtre immediatly after the appliance on the ducts to and
IURPWKHdwelling. Where any duct runs outside the
insulated envelope they must be insulated.'HVLJQ
the duct runs so as to avoid noise transmission and
“crosstalk” particularly with separate branches to the dampers.
The duct spigots of the Vectaire
WHHRM300DC DUH ¿WWHG ZLWK
sealing loose rings ø160 mm.
The duct spigots of the Vectaire
WHHR400DC DUH¿WWHGZLWKHFFHQ
tric adapters of ø180 mm. The cen
tre of the connecting duct can be
shifted by rotating these eccentric
adapters if space is restricted.
The maximum permissible resistance in the system is 150 Pa
at the maximum ventilation capacity. If the resistance in the
duct system is higher, the performance of the appliance will be
adversely affected.
Always use Vectaire air supply and extract room valves to mi
nimise resistance. Air supply valves should be sited so as to
avoid direct draughts which cause discomfort to residents. To
HQVXUHDLUÀRZWKURXJKRXWWKHUHVKRXOGEHJDSVXQGHUGRRUV
of 10 mm.
The exterior air supply should be on the sheltered or leeward
side of the building and can be sited on the roof or wall. The
exhaust air terminal should be sited on the roof well away from
WKHDLUVXSSO\WRDYRLGUHFLUFXODWLRQDWOHDVWPPLIRQWKH
same side of roof.


WHHRM300DC & WHHR400DC 9
Installation Chapter 5
5.4 Connecting the condensate discharge
The condensate discharge line for the WHHRDCs is fed
through the lower panel. The condensate must be discharged
through a drainpipe. The drain must discharge under the wa
WHU OHYHO LQ WKH 8WUDS 7KH FRQGHQVDWH GLVFKDUJH FRPHV VH
parately in the packaging and the installer must screw it into
the underside of the appliance. This condensate discharge
connection has an external connecting diameter of 20 mm.
The condensate discharge line can be glued to it, if necessary
using a 90° bend. The installer can glue the condensate di
scharge in the desired position in the lower part of the appli
ance.
See the drawing below for an example of a connection to a
drainpipe. (Pour water into the bend to create an air trap, if
FRQQHFWLQJWRDVRLOSLSHUHIHUWRORFDOE\HODZV


WHHRM300DC & WHHR400DC 10
Chapter 5 Installation
7KH ¿JXUH EHORZ VKRZV WKH PHWKRG IRU FRQQHFWLQJ D ZD\
switch, viz.:
$ ZD\VZLWFKZLWK¿OWHULQGLFDWLRQVZLWFKZLWKPRGXODUFRQ
QHFWRUFRUHFDEOHWZRPRGXODUFRQQHFWRUV5-
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(Note that for both modular connectors the “tab” must be mounted on the side of the mark on the modular cable)
5.5 Electric connections
The appliance comes ready to be wired into the mains
5.5.1 Connecting the multiple switch
The multiple switch (supplied as an extra) is connected to the
PRGXODUFRQQHFWRU W\SH5- WKDWLVSODFHGDWWKHWRSRI WKH
DSSOLDQFH6HH$¿JXUHEHORZ
 $SSOLFDWLRQRIDZD\VZLWFKZLWK¿OWHULQGLFDWLRQLQDOOFD
VHV UHTXLUHV DQ 5- SOXJ LQ FRPELQDWLRQ ZLWK D FRUH
modular cable.
$
A = Modular connector
B = OpenTherm connector

WHHRM300DC & WHHR400DC 11
Installation Chapter 5
5.5.3 Connecting the power
The appliance should be connected to the mains circuit by a
TXDOL¿HGHOHFWULFLDQ7KHHOHFWULFLQVWDOODWLRQPXVWFRPSO\ZLWK
the regulatory requirements.
Warning
The fans and controls carry a high voltage. Al
ways disconnect from the mains when working
on the appliance.
5.5.2 Connecting the OpenTherm connector
,Q FRPELQDWLRQ ZLWK GHPDQGFRQWUROOHG YHQWLODWLRQ WKH DS
pliance can also be controlled with the OpenTherm protocol
LQVWHDGRIDORZYROWDJHVZLWFK2SHQ7KHUPDOORZVFRQWLQXRXV
DGMXVWPHQWRIWKHUSPIRUWKHÀRZUDWH$FRUHORZYROWDJH
cable with a core diameter of at least 0.8 mm
2
must be used
as connecting cable
.
. Interchanging the cable connection to the
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formance.

WHHRM300DC & WHHR400DC 12
Chapter 5 Installation
5.6 Connections and dimensionsWHHRDCs
5.6.1 Connections WHHRM300DC

UVectaire WHHRM300DC 2/2 (special order)

UVectaire WHHR400DC (standard)

UVectaire WHHRM300DC 3/1 (special order)
A = Top view
B = Front view
C = Side view
D = Bottom view
E = Electric connections
F = Detail wall mounting (make sure to correctly place
the rubber strip, washers and caps)
G = Connection condensate discharge
I = To dwelling
II = To atmosphere
III = From dwelling
IV = From atmosphere

WHHRM300DC & WHHR400DC 13
5.6.2 ConnectionsVectaire WHHR400DC

UVectaire WHHR400DC 2/2 (special order)

UVectaire WHHR400DC (standard)

UVectaire WHHR400DC 3/1 (special order)
A = Top view
B = Front view
C = Side view
D = Bottom view
E = Electric connections
F = Detail wall mounting (make sure to correctly place
the rubber strip, washers and caps)
G = Connection condensate discharge
Installation Chapter 5
I = To dwelling
II = To atmosphere
III = From dwelling
IV = From atmosphere

WHHRM300DC & WHHR400DC 14
There are two methods to switch the appliance on or off.
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mains, when switching off by software only the fans are
stopped.
2. Disconnecting from the mains.
Switching on
• Mains power: connect to the
mains
 7KURXJK VRIWZDUH VLPXOWDQHRXVO\
press keys “OK” and “+” to switch
on the appliance through software
(Only possible after the appliance
has been switched off through
software.)
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WKHSRVLWLRQRIWKHZD\VZLWFK
Switching off
 7KURXJK VRIWZDUH VLPXOWDQHRXVO\
press keys “OK” and “-” to switch
on the appliance through software.
The text OFF appears on the dis
play.
• Mains power: disconnect from the
mains.
Chapter 6 Operation instructions
6.1 Switching the appliance on and off
NOTE!
When working on the appliance, always switch off the ap
SOLDQFHE\¿UVWVZLWFKLQJLWRIIWKURXJKVRIWZDUHDQGVXEVH
quently disconnecting from the mains.
6.2 Setting the air quantity
The air quantity of the WHHRM300DC and WHHR400DC
for settings 1, 2 and 3 have been set in the factory at
100, /150/200 and 225/300 m
3
/h. The performance of the appliance
depends on WKHTXDOLW\RIWKHGXFWV\VWHPDVZHOODVRQWKH¿OWHU
resistance.
Important:
Setting 1: must always be lower than setting 2.
6HWWLQJPXVWDOZD\VEHORZHUWKDQVHWWLQJ
Setting 3: adjustable between 50 and 300/400 m
3
K
If these conditions are not complied with, the air quantity of the
higher setting will automatically be adjusted.
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here the air quantity for setting 3 will be changed from 300 to
280 m
3
/h):
1. Press key “F” for 3 seconds to call
up the settings menu.
2. Use key “+” to select the desired
parameter (U1 = setting 1: 1, U2 =
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and U8 only apply when a bypass
unit is used).
3. Press key “OK” for 1 second to read
the selected parameter value.
4. The keys “+” or “-” can be used to
modify the selected parameter va
lue.
>3s
>3s
>3s


WHHRM300DC & WHHR400DC 15
 7KHPRGL¿HGVHWWLQJFDQQRZEH
A saved and stored;
B removed;
C put back to factory setting.
ASimultaneously press keys “F”
and “+´¿UVWFthan +) to store
WKHPRGL¿HGVHWWLQJWKHPRGL
¿HGYDOXHZLOOQRZEOLQN [ DV
FRQ¿UPDWLRQ 7KH GLVSOD\ UHD
GRXWZLOOUHPDLQDWWKLVPRGL¿HG
value.
Press key “OK” to go back to
WKH VHWWLQJV PHQX LI UHTXLUHG
several settings can now be
PRGL¿HGVHHWRLQFOXVLYH
Now go to 6.
BPress key “OK” to go back to
the settings menu without sa
YLQJ WKH PRGL¿HG VHWWLQJ WKH
previous setting will be main
tained. If required, several set
WLQJVFDQQRZEHPRGL¿HG
Now go to 6.
CSimultaneously press keys “F”
and “-” to go back to the factory
setting. The factory setting will
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PRGL¿HG VHWWLQJ LV UHPRYHG
The factory setting remains on
the display.
Press key “OK” to go back to
WKH VHWWLQJV PHQX LI UHTXLUHG
several settings can now be
PRGL¿HGVHHLWHPWRLQFOX
sive).
Now go to 6.
6. Press key “F” for 1 second to leave
the settings menu.
Operation instructions Chapter 6
6.3 Other user settings
In addition to the air quantities per setting, the user can also
adjust the following parameters.
U4. Minimum atmospheric temperature bypass. This is the
minimum atmospheric temperature at which the bypass
RSHQV DOVR ZKHQ WKH LQGRRU WHPSHUDWXUH VDWLV¿HV WKH
conditions.
U5. Minimum indoor temperature for the bypass. This is the
minimum indoor temperature at which the bypass opens,
ZKHQWKHDWPRVSKHULFWHPSHUDWXUHDOVRVDWLV¿HVWKHFRQ
ditions.
U8 Not applicable
These setting possibilities are only relevant if the appliance is
equipped with a bypass. These bypass settings are made in
the same manner as described in section 6.2. Refer to the table
in section 6.7.3 for the factory settings.


WHHRM300DC & WHHR400DC 16
Chapter 6 Operation instructions
9DULRXVRWKHUVHWWLQJVRIWKHFRQWUROXQLWFDQDOVREHPRGL¿HG
%HFDXVHVRPHVHWWLQJVKDYHDQLQÀXHQFHRQWKHFRUUHFWRSH
ration of the appliance, these have been placed in a separate
installer parameters set. Consequently, these parameters can
RQO\EHPRGL¿HGE\WKHLQVWDOOHU+RZWRPRGLI\WKHVHLVH[
plained in section 6.7.2.
I1. Fixed imbalance. This can be used to keep the pressure
LQ WKH GZHOOLQJ DW D KLJKHU  RU ORZHU  OHYHO WKDQ WKH
atmospheric pressure.
Positive imbalance (+): the output fan ventilates the set va
lue in [m
3
/h] less than the input fan.
 1HJDWLYHLPEDODQFHWKHLQSXWIDQYHQWLODWHVWKHVHWYD
lue in [m
3
/h] less than the output fan.
I2. No contact step 11
This setting determines the ventilation position when no
VZLWFKFRQWDFWLVFRQQHFWHGWRSRVLWLRQWKHDSSOLDQFHZLOO
start running at the ventilation position set here.
I3. Not applicable.
I4. Switch line 1 step.
Determines what position of the multiple switch matches
line 1 on the control unit.
I5. Switch line 2 step.
Determines what position of the multiple switch matches
line 2 on the control unit.
I6. Switch line 3 step.
Determines what position of the multiple switch matches
line 3 on the control unit.
7. Imbalance permissible?
This determines whether for instance the frost protection
may affect the imbalance.
I8 Bypass mode.
There is a choice between 3 situations
I9. Hysteresis bypass.
Here can be entered how much the indoor temperature
may drop before the bypass closes or the inlet fan starts
running at the normal rpm.
I10. Constant pressure switched off.
Here it can be set whether in all cases the fans are running
DWFRQVWDQWÀRZRUWKDWWKH\VWDUWUXQQLQJDWFRQVWDQWSUHV
sure when a certain resistance is exceeded.
I11. Preheater or postheater.
This indicates whether a preheater or postheater is con
nected is.
I12. Temperature preheater.
This sets the offset temperature preheater.
I13 Filter message.
 6HWVZKHWKHUWKH ¿OWHU PHVVDJH LV VKRZQ RQ WKH GLVSOD\
DQGWKH/('RIWKHZD\VZLWFK
I14 Presence of option pcb.
This indicates whether an option pcb is installed.
, +HDWUHFRYHU\FRQ¿JXUDWLRQ
Option setting when heat recovery is used in combination
ZLWKFHQWUDOKHDWLQJRQO\KHDWUHFRYHU\RUWKHFRPELQDWLRQ
central heating + heat recovery.
2QO\KHDWUHFRYHU\ &HQWUDOKHDWLQJKHDWUHFRYHU\ 
I16 Fan setting for central heating + heat recovery
Fan(s) off for central heating + heat recovery (only applica
ble if I15 = 1).
I17 Repeat time in hours for switching off the fan(s) selected
under I16 for central heating + heat recovery.
, 0D[LPXPVZLWFKRIIWLPHLQVHFRQGVIRUWKHIDQVVHOHFWHG
under I16 for central heating + heat recovery.
, 0LQLPXP VZLWFKRII WLPH LQ VHFRQGV IRU WKH IDQV VHOHF
ted under I16 after switching on 230V for central heating +
heat recovery.
Refer to the table in section 6.7.3 for the factory setting
6.4 Installer settings
Mode 0 The bypass valve is not operated
Mode 1
(standard
setting)
7KHE\SDVVYDOYHLILQVWDOOHGLVRSHQHGZKHQ
the temperature conditions are complied with
Mode 2 The inlet fan starts running at the lowest possi
ble rpm if the temperature conditions are comp
lied with
Setting I16 Situation fan(s)
1 Output fan off
2 Input fan off
3 Both fans off
Setting I11 Situation
0 No preheater or postheater
1 Preheater connected to basic pcb
2 & 3 Only use this setting for option pcb

WHHRM300DC & WHHR400DC 17
Operation instructions Chapter 6
6.5 Menu structure display
The menu structure is divided into a readout section and a set
tings section.
The number of visible parameters depends on the parameter
VHW 7KH XVHU KDV WKH SDUDPHWHU VHW XVHU D PRUH FRPSUH
hensive readout programme is available for the installer. It can
be activated by simultaneously pressing keys “F” and “OK” for
3 seconds.
6.5.1 Diagram menu structure
Operating condition
Switching off the appliance
5HVHWWLQJWKH¿OWHU
Press “OK” key
Press “OK” key
Press “+” and “-” key
Switching on the appliance
Reset fault
Display user data
Press “F´NH\!VHFRQGV
Press “OK” and “F´NH\!VHFRQGV
Press “+” or “-” key
Press “+” or “-” key
Readout menu installer
Display installer data.
Settings menu
User Installer
3UHVVNH\³F” > 1 second
,IQRNH\LVRSHUDWHGIRUPLQXWHV
Press “+” or “-” key
3UHVVNH\³F” and “OK” > 3 seconds
Activate parameter set
installer
Press “+” or “-” -
3UHVVNH\³OK” > 1 second
,IQRNH\LVRSHUDWHGIRUPLQXWH
3UHVVNH\³OK” > 1 second
,IQRNH\LVRSHUDWHGIRUPLQXWH
Select parameters:
VWDQGDUG88
ZLWKRSWLRQSFEQD88
Press “OK”> 1 second to
display the selected parameter
setting
Select parameters:
VWDQGDUG88
,,
ZLWKRSWLRQSFE88
QD,,
33
Press “OK”> 1 second to
display the selected
parameters
Press keys “+” or “-”
Press key “+” or “-” -
6WRUHPRGL¿FDWLRQ
Factory setting
Do not savePRGL¿FDWLRQ
Press key “F” or “+´
Press key “F” or “-´
Press key “OK´
Modify selected
setting
Modify selected
setting
Press key “F” or “+” > 1 second
Press key “F” or “-” > 1 second
Press key “OK” > 1 second
6WRUHPRGL¿FDWLRQ
Factory setting
Do not savePRGL¿FDWLRQ
READOUT SECTION
SETTINGS SECTION
Press key “OK” and “-” > second Press key “OK” and “+” > second
,IQRNH\LVRSHUDWHGIRUPLQXWHV
,IQRNH\LVRSHUDWHGIRUPLQXWH
,IQRNH\LVRSHUDWHGIRUPLQXWHV
Press key “F”
Press key “F”
Restore all
Factory settings
,IQRNH\LVRSHUDWHGIRUPLQXWH
Press key “F”
