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Kair™ Trakmaster
Ventilator (MVHRV)
Model: KHRVF100
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Continuous Running, Energy Efficient, Heat Recovery Ventilator
For Flats, Bungalows, Kitchens And Bathrooms
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| Meets Building Regulations requirements
Up to 65% Heat Recovery
Easy to install (no external access required - 102mm core
drill)
Whisper quiet Continuous running trickle ventilation
Humidity sensor (preset or adjustable)
Low running costs Tamperproof screws (optional)
Balanced or positive airflow
Energy savings
Security ventilation™ (no need to open windows)
Health benefit - produces dramatic improvements of indoor air
quality
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Kair™ Trakmaster KHRVF100 Heat Recovery Ventilators provide a
continuous air change, replacing stale moisture-laden air with fresh,
warmed air from outside. Kair™ Trakmaster KHRVF100 control condensation
problems in small flats and bungalows and are an integral part of the Kair
‘Hybrid’ Heat Recovery Systems (See separate Data sheet).
Unlike conventional extractor fans which suck out and waste expensively
produced heat, Kair™ Trakmaster KHRVF100 Heat Recovery Ventilators
recover up to 65% of exhaust heat, even when operating on boost mode. The
world is becoming increasingly aware of the enormous cost of energy
production, and this, plus the use of fossil fuels to generate power, is a
momentous environmental issue. Extractor fans potentially waste over a
million kilowatts of energy every year. This is comparable to the total
output of two large power stations. Replacing conventional extractor fans
with heat recovery systems could save at least half of that energy loss.
As long ago as 1989, an article in the British Medical Journal referred
to the health hazards associated with condensation and mould growth in
dwellings. The Statutory Fitness Standard clearly states that dwellings
with inadequate ventilation, condensation and mould growth problems are
unfit for human habitation and Building Regulation Guidelines require a
supply of fresh air and the removal of pollutants.
Kair™ units, by reducing humidity to optimum levels
(Kair Health Line™),
eradicate condensation, prohibit mould growth and discourage the spread of
bacteria, viruses and dust mite activity. By expelling dust particles,
gasses and other household pollutants, the units create a dramatic
improvement in the quality of the indoor air supply.
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Kair™ Trakmaster KHRVF100 Heat Recovery Room Ventilators provide a
continuous air change, replacing stale moisture-laden unhealthy air with
filtered, fresh, warmed air from outside the dwelling. The continuous
controlling of Relative Humidity levels ensures that conditions will not
exist in which condensation or mould growth problems can develop and
thrive.
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A variety of manual or automatic controls are available including: a)
Two speed switch for manual override. b) Automatic switching two speed
humidistat c) Independent switching for input or extract motors to vary
pressures for Summer / Winter settings – internal bathrooms / kitchens
variable life styles – multiple occupancy.
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The Kair Trakmaster is designed for easy installation by use of 102mm core
drilled holes. Installation is undertaken entirely within a building with
no requirement for external access, thus reducing installation costs on
high-rise applications. The Kair™ Trakmaster is factory set to provide a
positive pressure facility to combat the ingress of radon gas and increase
heat exchange efficiency. Full installation instructions are provided with
the unit.
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Please see separate specification clause leaflet.
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Filters should be removed at 6 to 12 month intervals subject to site
conditions and replaced or cleaned with a domestic vacuum cleaner or
washed if exceptionally dirty. The motors are guaranteed for 5 years and
are fitted with ‘Sealed for Life’ bearings, which do not require
maintenance or lubrication. Kair™ Trakmaster KHRVF100 Ventilator can be
serviced and maintained from inside the building with no requirement for
external access.
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Installation can be carried out by a suitably qualified craftsman and
connected to electrical supply by an electrician in accordance with IEE
Regulations.
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The unit meets Building Regulations.
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| Dimensions (mm) |
| a |
b |
c |
d |
e |
| 380 |
290 |
185 |
100 |
50 |
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Trickle |
Boost |
Daily |
| Airflow |
33m³/h |
100m³/h |
1113m³/24h |
| Watts |
11 |
55 |
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| dBA |
23 |
42 |
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Heat Recovery
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Up to 65% |
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Typical Performance figures - Assuming an
average of 80% trickle and 20% boost speed. Test with outside air
temperature at 7°C and inside room temperature at 23°C |
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Ventilation is necessary to maintain a healthy and
comfortable internal environment and to rapidly remove pollutants such as
moisture, volatile organic compounds (VOC’s), allergens such as dust,
oxides of nitrogen, carbon monoxide, carbon dioxide, tobacco smoke and
unpleasant odours.
Moisture is generally assumed to be the most significant of these
pollutants because of the high rates of generation from cooking, bathing,
washing, drying etc and the consequential condensation and mould growth
problems. It follows that if the ventilation strategy is based on
controlling this principle pollutant by heat recovery input / extract
ventilation then logically the other indoor pollutants will also be
adequately controlled.
Stale air, and air which is hot or humid, should be replaced at a
reasonable rate.
Good ventilation means providing a balance between energy efficient and
healthy indoor air best summed up by the catchphrase ‘build tight –
ventilate right’.
The fresh air supply rate should not normally fall below 5 to 8 l/s per
occupant. This is best achieved by creating continuous air changes of 0.5
to 1.0 every hour, throughout the entire dwelling as specified in D.E.T.R.
Good Practice Note 268.
Although Building Regulations relate to new buildings, the guidance on
ventilation is applicable to existing dwellings and most important of all,
the regulations are concerned with minimising the risk to health from the
build up of pollutants. The KHRVF100 satisfies all of these criteria.
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| ACCESSORIES |
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| Example ducting accessories
Stock Code: Various
Full ancillary list available on request |
 
 
 
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| Switch control
Stock Code: KSC2
Two speed switch control |
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| Humidity Control
Stock code: HUMIDISTAT Automatic humidistat to switch ventilation
modes |
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| Hour meter
Stock code: HOURMETER
To verify continuous use or record interruptions to electricity
supply |
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| Tamperproof bit
Stock code: TBIT
Security ventilation™ - to prevent interference by persons
other than authorised service personnel |
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| Tamperproof driver
Stock code: TDRIVER
Required to install unit
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| Pen size RH meter
Stock code: RHMTR
Measures the Relative Humidity and temperature levels |
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| REFERENCES |
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- i. Statutory Fitness Standards – Housing Act 1985
- ii. Department Of The Environment F1 Guidance – Means Of
Ventilation
- iii. Airborne Fungal Glossary – Basic Fact About Mould –TRD
- iv. Housing Act – (COSHH) Control Of Substances Hazardous To
Health Regulations – 1988
- v. Optimum Relative Humidity Guide KTIC
- vi. Building Research Establishment. Digest 297 ‘Surface
Condensation And Mould Growth In Dwellings’
- vii. NHS – A Health Strategy For London
- viii. DETR – Energy Efficient Ventilation In Housing – Good
Practice Guide 268 ix. Home Energy Conservation Act 1985 x. British
Standards Institution. Bs 5250. ‘Control Of Condensation In
Buildings’. BSI, London, 1989
- xi. Perera M D A E S And Parkins L M. ‘Build Tight – Ventilate
Right’. Building Services Journal, June 1992. – CIBSE, London,
1992 xii. Property Associated Technical Standards
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