Vectaire WHHR Maxi Montageanleitung
Image of model with LCD screen
WHHR Maxi & Maxi Plus
Residential Whole House
Heat Recovery Units
with Low Energy EC Motors
Optional - Integral LCD
Installation, Operating and Maintenance
Instructions
Page 2
"WHHR MAXI & MAXI PLUS" - WHOLE HOUSE HEAT RECOVERY UNIT
INSTALLATION AND OPERATING & MAINTENANCE INSTRUCTIONS
Safety Notice
It is important to read this Instruction Manual carefully before installing or using the product. Following
these instructions will ensure that your ventilation system is installed, commissioned and used properly and
continues to operate effectively. Vectaire will not be held responsible and will not accept liability for any dam-
age caused to persons or property through failure to follow the guidance provided in this manual. It should
always be available with the product for easy reference.
WHHR - Maxi: 6"/150 spigot, for dwellings up to 250 2, ax capacity 177 litre/sec
Maxi Plus: 6"/150 spigot, for dwellings up to 400 2, ax capacity 238 litre/sec
General Information
The Vectaire WHHR Maxi/Maxi Plus heat recovery syste s provide
whole house echanical ventilation to living areas, bedroo s, kitchen
and bathroo s. They extract stale, conta inated air fro kitchens, util-
ity roo s and bathroo s, and use the heat recovered fro this air to
war fresh, inco ing air to create a flow of fresh, filtered air throughout
the dwelling. The extract and intake air strea s are separated to avoid
conta ination.
The syste will operate continuously to create a stable, co fortable,
healthy environ ent avoiding the use of excessive energy and saving
heat already generated.
The heat recovery unit ust be installed vertically, and will generally be
sited in a cupboard. It will be connected by hidden ductwork to vents
sited in the ceilings of the roo s which are to be ventilated. Each unit
is co issioned individually so that the a ount of air oved is tailored
to suit the perfor ance required. There will be a facility to boost the
extraction rate when desired (e.g when cooking or bathing, or when pollutant levels rise). This ay be done auto-
atically or anually.
The system is designed to run continuously and should NOT be switched off except for maintenance or filter
replacement. It is important to follow the advice in this user manual and correctly install and maintain the
system to ensure a healthy and comfortable indoor environment.
Features
• SAP PCDB Listed whole house heat recovery units giving continuous ventilation in the kitchen and up to seven
additional wet roo s (using rigid ducting)
• low noise levels
• variable choice low (trickle) speed and boost options for opti u setting at installation
• boost speed triggered by a switched live connection fro :
- a light switch (if ore than one light switch is used, each one must be a double pole switch)
- DRH240 (dyna ic re ote hu idistat)
- PIRFF (passive infra red)
- THM (ther ostat)
- a re ote switch/pull cord
or via LCD control panel
• Can be ounted with left or right hand drainage and ducting
• Econo ical EC otor with electronic control plus:
Standard control features:
> variable ad ustment - trickle and boost speeds set at installation for both otors independently
> boost setting - with integral overrun ti er adjustable up to 20 inutes
> optional delay-on-timer - boost speed does not operate if switched off within 2 inutes
> integral frost-stat - proportionately reduces intake otor speed as te perature falls
> purge boost - for rapid air change
> BMS connections - for re ote otor shut off
•Installation MUST be carried out by suitably qualified personnel and MUST be in accordance with current IEE
regulations
Incoming
fresh air
Warmed fresh air
Cooled
outgoing
stale air
Outgoing stale air
Installation
IT IS IMPORTANT THESE INSTRUCTIONS ARE
READ FULLY BEFORE INSTALLATION
•This product should not be used for any purpose other
than that for which it was designed and as shown
in this leaflet
•All packaging should be re oved and the unit checked
for da age in transit. If there is any da age, please
contact your supplier
• The WHHRMaxi-C/Maxi Plus ust be installed verti-
cally, and generally be fitted into a cupboard, loft or
ceiling void.
•In order to comply with Construction (Design & Man-
agement) Regulations, sufficient access for safe
maintenance (recommended on an annual basis), or
removal following installation, MUST be provided for
this product. We recommend that a clearance of
at least 150mm is available on each side of the cab-
inet to allow access to the motors. See dimensions
diagram.
•Regulations and current Building Regulations. In order to co ply with these, it ay be necessary to fit fire
da pers or other si ilar devices within the associated ductwork.
• Flue gases from fuel-burning equipment must not be drawn into a living area. If any room from which air
is extracted contains a fuel burning appliance, such as a central heating boiler, then its flue must be of the
sealed or balanced flue type, or allowance must be made for an adequate supply of air into the room.
•The unit ust NOT be installed:
- where there is excessive oil or grease
- where there are hazardous gasses, liquids or vapours that are fla able or corrosive
- in a bient te peratures above 40ºC or lower than 0ºC
- in areas of excessive hu idity or in a wet environ ent
• Where possible the unit should NOT be installed directly above a bedroo or living roo .
•The condensation drain MUST be fitted
•Care should be taken to ensure that ducting is free fro blockages
•External grilles should be located a ini u of 600 fro any flue outlet in accordance with all Regulations
•The unit ust be connected to a 230-240v, 50Hz single phase electrical supply.
• A triple pole isolation switch with contact separation of at least 3 ust be used to connect the appliance
to the fixed wiring when using the Switched Live.
• The product should only be connected to the ains electricity supply or electrical outlet if:
- your electrical voltage and frequency correspond to those shown on the rating label.
- the capacity of your electricity supply is sufficiently powerful to operate the product at its axi u power.
• If one of the spigots is not connected to ducting a safety grille MUST be fitted to that spigot, so that it is
i possible for any oving part to be touched.
Installation of the appliance MUST be carried out by a qualified and suitably co petent person and should be
carried out in clean, dry conditions where dust and hu idity are at ini al levels. The unit is not suitable for
installation to the exterior of the dwelling.
Transportation, packaging and storage prior to
installation
• Care should be taken when transporting the unit.
Please be aware that this unit weighs 36 Kg - we
reco end the use of appropriate handling and lift-
ing equip ent. Dropping or knocking will da age the
inner workings of the unit.
• The unit should always be stored in a clean, dry
environ ent.
• Re ove all packaging before installation.
Pre-inspection
• Inspect the unit and electrical supply cord for any
da age (da age ust be repaired by a suitably
qualified and co petent person.)
• Check all parts are supplied as shown.
Page 3
Parts list
1 x Vectaire WHHR Maxi or axi-Plus unit.
2 x Wall ounting brackets.
1 x Installation, Operation & Maintenance
Instructions
Any parts shortages or faults ust be reported to the
supplier i ediately.
Installation - mounting - Duct and Duct Connections
(refer to design drawing)
•4 x 150 no inal dia eter spigots are provided for
the connection of ducting.
These are clearly arked
for correct connection of the supply and exhaust ducts.
NB. ductwork installer should mark the "as installed"
tick box on the label on the top of the unit to show whether it is left or right handed.
Page 4
1. Mark a horizontal line on the wall using a spirit level.
This line will be approxi ately 60 below the loc-
ation of the top face of the unit when fitted (exclud-
ing duct ports). Use the ounting bracket as a
te plate to ark the fixing hole centres.
2. Drill the holes and fit wall plugs. (Note: if the unit is
not being ounted on a solid wall, ensure that
appropriate fixings are used.)
3. Fix the upper ounting bracket to the wall ensuring
the interlocking side is at the top, as shown
5. Mount the unit by locating the brackets on the back
of the unit securely over the wall brackets.
4. Mark a horizontal line on the wall 315 below
the hole centres for the upper bracket. Repeat
steps 2 and 3 for the lower bracket.
•Where ducting is installed in an unheated
space, all of the ducts should be insulated.
Where ducting is installed in a heated
space, only the cold ducts should be insu-
lated. i.e. the supply duct fro outside and
the extract duct fro the unit to the outside.
•The duct layout ust be designed to suit the
require ents of the ventilation/heat
recovery syste and building layout.
•Where rigid duct is used, it should be installed
using the least nu ber of fittings to ini ise
air flow resistance. Where possible, final con-
nection to the grilles and unit should be ade
with a flexible connection.
•Where flexible ducts are used, ensure that:
-
lengths of ducting are no longer than
300 in any one place
- the duct is stretched so that it is s ooth
and straight
- where bends are necessary, they have
large radii (ie avoid sharp bends)
- the duct is not crushed if in a restricted area
•Where ducting passes through a fire partition, suitable fire da pers must be installed to prevent the trans ission
of fire through the duct.
Page 5
7. Condensation
•(The unit ay so eti es produce condensation which ust be
drained away. A 21.5/22 dia pipe outlet is provided on this unit).
Note: optional left or right hand drain connectors (21.5/22mm) are fit-
ted. A drainage pipe must be connected to the appropriate side, dependent
on the positions of the supply and extract ducting. Refer to figs A and B.
•
If the ducting is installed as shown in Fig A, the drain ust be connected to
the left-hand outlet. If the ducting is installed as shown in Fig. B, the drain
ust be connected to the right-hand outlet. The unused drain outlet ust
be capped off.
• The drainage pipe ust be installed with a continuous fall fro the cabinet
to the external household drainage point and a wet or dry trap ust be fitted to prevent return air penetration.
• If any part of the condensate drain pipe passes through an unheated space, it ust be insulated with the equiv-
alent of at least 25 of insulating aterial with a ther al conductivity of 0.04 W/ K.
Electrical Connection
WARNING: these appliances must be earthed and all wiring must conform to current IEE Regulations and all ap-
plicable standards and Building Regulations.
• The unit is suitable for 230V, 50Hz Single phase supply.
• The unit is supplied with:
- A ains rated 4 core flexible cord (black, brown, grey and green/yellow) and 2 core 0-10v cables for purge
switching, or an external connector box.
Cables for any other external device will be provided and labelled on request
• A triple pole isolation switch with contact separation of at least 3 ust be used to connect the appliance to the
fixed wiring when using the Switched Live.
• Boost controls ust not be located within 1 etre of a cooker or where they ay be affected by excessive heat or
oisture.
• Boost and other external controls should be clearly identified and conveniently located.
• The boost facility can be activated by a switched live connection (in addition to the per anent supply live). The switched
live can be operated by a variety of external devices, including:
- PIRFF (passive infra red)*
- DRH240 (dyna ic re ote hu idistat)*
- THM (ther ostat)*
- a light switch (if ore than one light switch is used, each one must be a double pole switch)
- a re ote switch/pull cord
or via LCD control
(*PIRFF, DRH240 and THM ay have integral over-run ti er which controls the length of ti e that the fan will
continue to operate at its boost speed after the boost has been switched off.)
AB
Page 6
Commissioning
1. The co issioning ust only be carried
out by a suitably qualified person.
2. Prior to starting the co issioning pro-
cedure, ensure that the ductwork connec-
tions and airflow directions atch one of
the options A or B, shown on page 5.
Check that the drain connection is on the
correct side.
3. Before aking any adjust ents, ensure
that the air valves or grilles are fully open.
4. Please see separate "LCD Control Panel
Commissioning Instructions" for details
on commissioning and user operations.
WARNING : With the control board panel
removed, 230 volt live connections are
accessible.
Cleaning and Maintenance
WARNING: The unit uses a 230V supply and contains rotating mechanical parts.
Before carrying out any maintenance or cleaning operations the mains electrical supply MUST be discon-
nected.
The heat exchanger within the unit should be cleaned annually.
To clean the filters and heat exchanger:
The air filters and heat exchanger of the Vectaire WHHR Maxi/Maxi Plus should be cleaned regularly by a suitably
qualified person (the frequency of cleaning will vary depending on the installation environ ent).
Filters:
• Slide out the filters by pulling out the tabs.
• Clean the filters carefully using a vacuu cleaner, replace in the
slots and refit the filter covers
Heat Exchanger:
• Firstly re ove filters as described above
• Re ove the screws securing the front panel and carefully lift off.
Using the plastic strap fitted, carefully pull out the heat exchanger
• Caution: if this is done during cold weather, the heat exchanger
ay contain water. It is advisable to have a plastic bowl available to
avoid spillage.
• Lightly clean the faces of the heat exchanger with a vacuu
cleaner. Replace the heat exchanger carefully, by sliding the
asse bly back into the cabinet.
• Replace the front cover by hooking the top edge into the slots in the cabinet and secure in place using the
screws.
•Finally, replace the filters as above.
Never use water or any other fluids to clean the heat exchanger
Filter Replacement
Filters should be replaced annually or after a axi u of 3 cleaning cycles.
Replace ent filters are available fro Vectaire - call us on +44(0)1494 522333 or e ail to [email protected]
WHHR Maxi/Maxi Plus /LCD110718 E & O.E
Vectaire Ltd, Lincoln Road, Cressex Business Park, Hi h Wycombe, Buckin hamshire, HP12 3RH
Tel: +44 (0)1494 522333. Fax: +44 (0)1494 522337. Email: [email protected]
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