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11 

 

 

 

- Length of individual wires 135 mm 
- Wire stripping 8 mm 
- Strip the non-metallic sheathed cable which 
sits flush with cable duct 
 

1. Terminal compartment cover put on the 
plastic housing and screw tight 
2. Fit and snap in the cover 

 

6.5 

Mounting  

 

 

6.6 

Operation 

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 and impeller) 
- Free rotation of the impeller 
- Appearance of excessive vibration and noise 

In case of problems with one of the points listed above maintenance should be carried  
out according to the instructions in Chapter 8.

 

 

 

 DANGER

 

Fig 8 

Fig 9 

Fig 10 

Fig 11 

Содержание QT 150HT

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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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