Vent-Axia Lo-Carbon Response 7 HTP Istruzioni per il montaggio
CONTINUOUS EXTRACT FAN
Installation and Wiring Instructions
Stock Ref. N°
494143
Lo-Carbon Response 7 HTP
496738
Lo-Carbon Response 7 125 HTP
494144
Lo-Carbon Response 7 Pro HTP
496689
Lo-Carbon Response 7 Pro 125 HTP
494150
Lo-Carbon Response 7 SELV HTP
494149
Lo-Carbon Response
7 Pro SELV HTP
PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.
PLEASE SAVE THESE INSTRUCTIONS.
Lo-Carbon
Res
p
onse
IPX5
IPX7 (SELV)
220-240V~50Hz
Installation and Wiring Instructions for the Lo-Carbon Response Range of
Extractor Fans.
IMPORTANT:
READ THESE INSTRUCTIONS BEFORE COMMENCING THE
INSTALLATION
DO NOT install this product in areas where the following may be present or
occur:
• Excessive oil or a grease laden atmosphere.
• Corrosive or flammable gases, liquids or vapours.
• Ambient temperatures higher than 40°C or less than –5°C.
• Possible obstructions which would hinder the access or removal of the Fan.
SAFETY AND GUIDANCE NOTES
A. All wiring to be in accordance with the current I.E.E.
Regulations, or the appropriate standards of your
country and MUST be installed by a suitably qualified
person.
B.The Fan is suitable for installation within Zones 1 & 2.
C.The Fan should be provided with a local isolator switch
capable of disconnecting all poles, having a contact
separation of at least 3mm.
D. Ensure that the mains supply (Voltage, Frequency, and
Phase) complies with the rating label.
E. The Fan should only be used in conjunction with the
appropriate Vent-Axia products.
F. The fan should only be used in conjunction with fixed
wiring.
G. When the Fan is used to remove air from a room
containing a fuel-burning appliance, ensure that the air
replacement is adequate for both the fan and the fuel-
burning appliance.
H. The Fan should not be used where it is liable to be
subject to direct water spray for prolonged periods of
time.
I. Where ducted Fans are used to handle moisture-laden
air, a condensation trap should be fitted. Horizontal
ducts should be arranged to slope slightly downwards
away from the Fan.
J. This appliance is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person
responsible for their safety.
K. Young children should be supervised to ensure that
they do not play with the appliance.
DESCRIPTION
The Response fan is a continuously running extract fan for kitchens,
utility rooms, bathrooms and toilets.
The product incorporates an airflow detection system that detects the
installation duct resistance and maintains the correct fan speed to
achieve the preset extract flow rate (model dependant).
The incorporated LED display allows the installer to configure the fan to
suit its installation. The display is also used to show the day logger and
power run meter.
The fan can be wall, window (100mm only) or panel/ceiling mounted.
ACCESSORIES (not supplied)
WALL FITTING KIT - A range of white (stock ref. 254102), brown
(stock ref. 254100) 100mm wall kits & White (Stock ref. 455226)
125mm wall kits are available for installing into most walls using
telescopic liners supplied.
WINDOW KIT stock ref. 407927 (100mm only)
CEILING KIT stock ref. 407928 (100mm only)
150mm CONVERSION KIT stock ref. 408680 (100mm only)
Decoration Frame stock ref. 474041 (100mm only)
A. INSTALLATION
SITING THE TRANSFORMER (SELV Models only)
1. The transformer must not be installed in a shower cubicle or
enclosure. It must be sited away from direct sources of water spray
and out of reach (1.5m) of a person using a fixed bath or shower.
2. Site away from direct sources of heat. Ambient temperature range
0 ºC to 40ºC. Do not site in an area containing excessive levels of
grease.
3. Decide where to site the transformer and fan and work out the
required cable runs.
Open up the internal cover to access
The spirit level bubble
PANEL/CEILING/ INTERIOR WALL MOUNTING
1. Cut a 107mm diameter hole (100mm
fans) or a 130mm hole for (125mm
fans).
2. Remove the front panel by carefully
pulling it away from the fan. Loosen
the two self-retaining screws and
remove the inner grille by carefully
pulling it away from the housing.
3. Using the built in spirit level bubble as
an aid. Mark the screw centres through
the holes in the fan back plate. Drill,
plug and screw into position. Attach
ducting as required for the installation.
4. Wire the fan as described in Section B-Wiring. Adjust any settings
as required (see Section C-Setup).
5. After installation, ensure impeller rotates freely.
6. Replace the inner grille and tighten the retaining screws.
7. Replace the front panel.
EXTERIOR WALL MOUNTING
1. For wall mounting cut a 117mm diameter hole (100mm fans) or a
140mm hole (125mm fans) through the wall and insert the wall
sleeve. Slope the sleeve slightly downwards away from the fan.
Where necessary cut to length and cement both ends into position
flush with the wall faces.
2. Fix exterior grille into position with the louvres positioned
downwards.
3. Remove the front panel by carefully pulling it away from the fan.
Loosen the two self-retaining screws and remove the inner grille by
carefully pulling it away from the housing.
4. Using the built in spirit level bubble as an aid. Mark the screw
centres through the holes in the fan back plate. Drill, plug and
screw into position.
5. Wire the fan as described in Section B-Wiring. Adjust any settings
as required (see Section C-Setup).
6. After installation, ensure impeller rotates freely.
7. Replace the inner grille and tighten the retaining screws.
8. Replace the front Panel.
WINDOW MOUNTING (100MM ONLY)
For window mounting refer to the instructions provided with the kit.
B. WIRING.
WARNING: THE FAN AND ANCILLARY CONTROL
EQUIPMENT MUST BE ISOLATED FROM THE POWER
SUPPLY DURING INSTALLATION OR MAINTENANCE.
IMPORTANT
The cross - sectional area of supply cord used should be ranged from 0.75 -
1.5mm2.
Cable entry can be made from the rear or on 100mm models also the side of the
fan using the grommet provided.
The extraction fan or transformer (SELV models) is suitable for connection to
220-240V 50Hz supply.
The Transformer (SELV models only) MUST be surface mounted to allow air
to freely circulate around the unit. When installed in a loft void it MUST NOT be
enclosed or covered with insulation.
The fan is a class ll double insulated product and MUST NOT be earthed.
1. Select and follow the appropriate wiring diagram.
(Fig. 1, 2, 3, or 4, 5, 6)
2. Check all connections have been made correctly and ensure all
terminal connections and supply wires are securely fastened.
(Fig. 7)
3. Ensure the impeller rotates and is free from obstructions.
C. SETUP
Accessing the commissioning menu
To configure the fan first remove the grille. With the grille removed the
control buttons are visible (Fig.7). Do NOT isolate the fan from the power
supply as configuration requires power to the fan.
IMPORTANT
Do NOT attempt to remove the circuit board cover (Fig.7).
This covers the high voltage power supply, preventing the
risk of an electric shock.
Display modes
When first powered on, the display will run through an initialisation
sequence and then activate prism mode (cover on).
When a button is pressed, the display will go into the menu system and
display as viewed without the prism.
The display will return to prism mode after 30 seconds of inactivity (i.e.
no button presses).
When activating the menu, the initial button push will not change any
settings.
Prism mode may also be re-activated by holding the pull-cord for 5
seconds (if applicable).
Prism Mode
When the controller is in ‘prism mode’ the display will be mirrored such
that the characters are shown correctly when viewed through the prism
fitted in the fan cover.
When activated, prism mode will run for 15 minutes, first showing the
day logger then cycling between displaying:
Airflow rate (Pro models only, other models display speed setting)
Estimated duct pressure (Pro models only ifCV/F‐2modeenabled)
Current RH% (HT models only)
Calibration process will run after the first 15 minutes (if CV / F-2 mode
enabled); see Advanced settings for further details.
Menu
If the buttons are pressed the display goes from prism mode to direct
view mode and menu activated. If the buttons are not pressed for 30
seconds the display reverts to prism mode.
The (Up) button is used to increase the value of
a setting, the (Down) button is used to reduce
the value of a setting and the (Mode/Set) button
is used to advance to the next menu item.
The fan has the following ‘menu’ modes:
Standard (press any button from normal runtime - )
Advanced/Engineer (hold + for 5 seconds from the standard
menu)
Data-logger readout (hold for 5 seconds from standard menu)
Standard settings:
Displaytext Configuration
Option
Selections Default
Rotatedisplay r‐Y=displayrotated r‐n=displaynormal r‐n
Tricklespeed
adjustment
100mm:0*,5to30l/s(MaxlimitedbyBoostSelection)
125mm:9to30l/s(MaxlimitedbyBoostSelection)
9l/s
Boostspeed
adjustment
100mm:6to35l/s(MinlimitedbyTrickleSelection)
125mm:10to35l/s(MinlimitedbyBoostSelection)
15l/s
BoostOverrun
time
b0tob30–0to30minutes
(0disablesoverrun)
15
Humiditylevel
trigger
h40toh90‐40%to90%relativehumidity 70%RH
FanControl
Mode
F‐0=CVdisabled,
wall/window
installation
F‐1=CVdisabled,
ducted
installation
F‐2=CVConstant
Volumeenabled
F‐0
Comfortmode c‐n=normalLSoverrun c‐Y=comfortmode c‐n
Enable/disable
lockcode
loc‐lockcodeenabled unl‐lockcodedisabled
(unlocked)
unl
Menulockcode
Up/downselectscurrentdigit,Xmovestonextdigit.
10c
Tochangethelockcodewhen“cod”isdisplayedselectthe
up/downbuttonstoselectadigitthenselectXtomoveonto
thenextdigit.
*If “0” is selected, the fan switches to Intermittent mode.
Advanced settings:
Displaytext Configuration
Option
Selections Default
RHAmbient
Response
A‐YAmbientResponse
enabled
A‐nAmbientResponsedisabled Enabled
RHRapid
Response
enable
p‐Y=RapidResponseenabled p‐n=RapidResponsedisabled Y
Settings
Speed selection
Set trickle and boost speeds in l/s by using the and buttons.
To convert m3/h to l/s, divide the m3/h by 3.6 (e.g. 54m3/h / 3.6 = 15 l/s).
The Trickle Speed cannot be higher than the Boost selection. Therefore
it might be necessary to modify the Boost selection before increasing the
Trickle setting.
If “0” is selected for the trickle speed, the fan will be off until a boost
signal is activated (for example via LS/ pullcord/humidity).
Boost time
The boost setting allows the boost timer to be adjusted from 1-30
minutes, the default is 15 minutes. This option may also be disabled,
thus removing the option from the menu and setting the overrun to 0.
Inbuilt Ambient Response Humidistat with Rapid Rise Detection
The humidity threshold setting defines at what relative humidity the fan
will trigger, adjustable from 40% to 90% rH. The fan increases in speed
slowly between the trickle and boost speeds between the trigger %rH
and +10%. The trigger point will automatically adjust if the temperature
drops below 18C to prevent nuisance triggering.
The fan also incorporates a rapid rise function to detect rapid rises in
humidity when the ambient %rH is under the threshold setting. If a rapid
rise is detected the fan will increase in speed proportionally between the
trickle and boost settings until the humidity lowers again.
Comfort mode
With comfort mode disabled, the fan will go into boost as soon as an
LS (Light Switch) input is detected and over-run for the set period
after LS is disconnected.
With comfort mode enabled, the fan will remain off / in trickle up to a
maximum of 20 minutes. Once LS is deactivated, fan will run at
boost mode for the length of time LS was present up to a maximum
of 20 minutes plus the set over-run time.
If the LS was activated for < 3 minutes, no boost will occur to
prevent nuisance activations.
Fan Control Mode
There are 3 modes for fan speed control. Wall, ducted and constant
airflow/ volume (CV) mode (CV - Pro models only). In wall or ducted
mode, the fan speeds are pre-determined at the factory and does not
use the airflow sensor.
In CV mode (Constant Airflow/Volume), the fan will automatically adjust
the fan speed to maintain the desired airflow. After the first 15 minutes of
operation the fan enters calibration mode to determine the most efficient
mode of operation.
Calibration Reset
In some circumstances it may be necessary to reset the calibration
settings (if the fan was covered to prevent dust/damage/or poor weather
outside).
Reset the calibration by configuring the fan for wall or duct mode (F-0 or
F-1), turn the product off and on and re-configure back to CV mode
(F-2). The fan will calibrate after 15 minutes or by holding the pullcord for
5 seconds.
Pullcord
Switches the fan from trickle to boost (for boost overrun time)
o If the overrun time has been set to 0 (disabled), a default
overrun duration of 5 minutes will take place.
This will override LS comfort mode, boosting the fan immediately
An activation when a Pullcord/LS (Light Switch) boost is already
active shall cancel overrun timer (RH boost sources remain
unaffected)
Data Logger Menu
* When the display is rotated the decimal point will no longer display; eg.
055 represents 5.5KWh
Cutting the power to the fan will not erase the stored data. To reset
the data, hold pullcord for 14 seconds while in the data logger menu.
Display text Description
tot run 00y 00d Total run time in years and days
Tri run 00y 00d Trickle speed run time in years and days
Boo run 00d Boosted run time in days
rhu run 00d Humidity boosted run time in days
tot EnErgy 00.0 Total Energy used displayed in KWh*
24h EnErgy 00 Energy used in last 24 hours displayed in Wh
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