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19 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
Warranty:

 

 

Applicable

 

to

 

units

 

installed

 

and

 

used

 

in

 

the

 

United

 

Kingdom.

 

Airflow’s

 

Warranty

 

covers

 

the

 

QuietAir

 

fan

 

for

 

TWO

 

years.

 

The

 

Warranty

 

can

 

be

 

upgraded

 

to

 

THREE

 

years

 

from

 

date

 

of

 

purchase

 

against

 

faulty

 

material

 

or

 

workmanship

 

by

 

registering

 

on

 

our

 

web

 

site

 

at

 

www.airflow.com.

 

The

 

Warranty

 

covers

 

the

 

product

 

only

 

and

 

not

 

the

 

installation

 

cost.

 

 

In

 

the

 

event

 

of

 

any

 

defective

 

parts

 

being

 

found,

 

Airflow

 

Developments

 

Ltd

 

reserve

 

the

 

right

 

to

 

repair

 

or

 

at

 

our

 

discretion

 

replace

 

without

 

charge

 

provided

 

that

 

the

 

unit

 

 

1.

 

Has

 

been

 

installed

 

and

 

used

 

in

 

accordance

 

with

 

the

 

fitting

 

and

 

wiring

 

instructions

 

supplied

 

with

 

each

 

unit

 

2.

 

Has

 

not

 

been

 

connected

 

to

 

an

 

unsuitable

 

electrical

 

supply

 

3.

 

Has

 

not

 

been

 

subjected

 

to

 

issue,

 

neglect

 

or

 

damage.

 

4.

 

Has

 

not

 

been

 

modified

 

or

 

repaired

 

by

 

any

 

person

 

not

 

authorised

 

by

 

Airflow

 

Developments

 

Ltd.

 

5.

 

Has

 

been

 

installed

 

in

 

accordance

 

with

 

latest

 

Building

 

Regulations

 

and

 

IEE

 

wiring

 

regulations.

 

 

Airflow

 

Developments

 

shall

 

not

 

be

 

liable

 

for

 

any

 

loss,

 

injury

 

or

 

other

 

consequential

 

damage,

 

in

 

the

 

event

 

of

 

a

 

failure

 

of

 

the

 

equipment

 

or

 

arising

 

from,

 

or

 

in

 

connection

 

with,

 

the

 

equipment

 

excepting

 

only

 

that

 

nothing

 

in

 

this

 

condition

 

shall

 

be

 

construed

 

as

 

to

 

exclude

 

or

 

restrict

 

liability

 

for

 

negligence.

 

 

This

 

warranty

 

does

 

not

 

in

 

any

 

way

 

affect

 

any

 

statutory

 

or

 

other

 

consumer

 

rights.

 

 

 

 

 

 

 

 

 

 

Airflow  Developments Limited

 

Aidelle

 

House,

 

Lancaster

 

Road,

 

Cressex

 

Business

 

Park

 

High

 

Wycombe,

 

Buckinghamshire

 

HP12

 

3QP,

 

United

 

Kingdom

 

 

E-mail:

 

[email protected]

 

 

Telephone:

 

+44

 

(0)

 

1494

 

525252

 

Facsimile:

  

+44

 

(0)

 

1494

 

461073 

airflow.com

 

Summary of Contents for QT 150HT

Page 1: ...llation and Operating Instructions QuietAir 150mm Axial Fan MODEL QT 150HT TwoSpeed Fan 220 260m3 hr With Delay Start Automatic Humidity control and Timer Low Energy Quiet Long Life Extra Safe Delay S...

Page 2: ...rotection 2 3 Start up performance Chapter 3 SPECIFICATIONS DIMENSIONS 3 0 Specifications 3 1 Product lifetime 3 2 Accessories 3 3 Dimensions Chapter 4 FUNCTION 4 0 Function description Chapter 5 CLEA...

Page 3: ...d accident prevention regulations should be observed All electrical work and commissioning should be carried out by authorized and qualified electricians Maintenance and installation work should be ca...

Page 4: ...its intended purpose The product complies with the valid regulations and CE guidelines at the time of its production 1 5 Transport The fan is factory packed so that it is protected against normal tran...

Page 5: ...a this should conform to the local supply network On the test stand fan performance complied with DIN EN ISO 5801 1 10 Noise data The noise data which relate to distances is valid under free flow cond...

Page 6: ...ff the fan switch on inhibit activates the fan for 15 sec to protect the motor from rapid on off switching CHAPTER 3 SPECIFICATIONS DIMENSIONS M1 150 F 3 0 Specifications Impeller 137 Electrical suppl...

Page 7: ...is required This feature is set at the factory to ensure a speedy dehumidification Dual stage humidity function During dual stage humidity function the fan will turn on first to the stage with a lowe...

Page 8: ...ase reduction during the fan operation The reduction however hasn t been enough to fall below the turn off threshold Short stop time activated since it can be assumed that after a short break the humi...

Page 9: ...ng Safety instructions listed in Chapter 1 2 should be observed Before cleaning always ensure that the fan is isolated from the power supply and secured against restarting Clean cover protective guard...

Page 10: ...contamination of the ventilation unit After unpacking and before installation the following points must be checked if any transport damage is noticed broken or bent parts free rotation of the impelle...

Page 11: ...draft shutter and guide vane If required backdraft shutter included in delivery can be installed behind the guide vane Fig 6 During the housing installation the guide vane should be mounted vertically...

Page 12: ...t The wiring diagram SS 1082 which can be found on Page 16 should always be used to ensure proper wire placement Check sealing of the connection cables and cable wires clamp If mounted at the inlet sp...

Page 13: ...Safety instructions listed in Chapter 1 2 must be observed To guarantee the proper function of the fan the following should be checked regularly Appearance of dust or dirt in the housing on the motor...

Page 14: ...settings stage 1 approx 70 and stage 2 approx 100 The adjustment applies to both the demand ventilation as well as for the humidity control To ensure sufficient dehumidification speed is in automatic...

Page 15: ...s humidity function the air volume is automatically controlled depending on the room humidity When the humidity increases the fan speed increases This ensures continuously increasing dehumidification...

Page 16: ...round There is humidity decrease reduction during the fan operation The reduction however hasn t been enough to fall below the turn off threshold Short stop time activated since it can be assumed that...

Page 17: ...witches 3 and 4 6 10 15 21 minutes If you switch between stages the delay timer will be ignored By simultaneous shut down of the both stages applicable delay time can be ignored As always the technica...

Page 18: ...16 12 Schematic overview for QT150 HT Fig 14...

Page 19: ...the impeller doesn t run freely note possible causes of failure in Chapter 8 1 Bearing noise Vibrations see Chapter 8 1 Power consumption according to the specifications on the type plate see Chapter...

Page 20: ...r corrosion mechanical loading fatigue and or other effects that could not be directly discerned should be disposed in accordance with local and international laws and regulations The same applies to...

Page 21: ...ble electrical supply 3 Has not been subjected to issue neglect or damage 4 Has not been modified or repaired by any person not authorised by Airflow Developments Ltd 5 Has been installed in accordanc...

Page 22: ...ement by an assessed and registered Competent Person should follow a Best Practice process and adopt air flow measurement Method A The Unconditional Method using a suitable UKAS certified measuring in...

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