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Supply air unit VEKA

Installation & Maintenance

November 2008

AIRTREND Ltd
Predstavništvo u Beogradu
Kumanovska 14, 11000 Beograd
Tel: 011/3836886, 3085740
Faks: 011/3444113
e-mail: [email protected]
web: www.airtrend.rs

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Summary of Contents for VEKA

Page 1: ...ly air unit VEKA Installation Maintenance November 2008 AIRTREND Ltd Predstavništvo u Beogradu Kumanovska 14 11000 Beograd Tel 011 3836886 3085740 Faks 011 3444113 e mail gobrid eunet rs web www airtrend rs ...

Page 2: ... Great care must be taken when opening the venting connections for heating water to an air heater Risk of fluid hammering In conjunction with service or inspection the main switch of the unit must be turned off before ope ning the inspection doors Before restarting all safety devices must be refitted A free space safety distance must be maintained in front of electrical heaters and electrical cont...

Page 3: ...ket Filter cassette 3 General Cut outs Top up manometer fluid as required Service chart Applicable from 20 to 20 3 month service 9 month service 6 month service 12 month service Symbol Operation Mon Date Operation Date Operation Date Sign Sign Sign Air treatment Cleaning Cleaning Cleaning unit 3 9 3 9 3 9 3 9 3 9 3 9 Filter Check pressure drop Check pressure drop Check pressure drop and need for f...

Page 4: ...e are used by passing hangers through the eyes as illustrated in fig 2 The hangers are not included in the supply Note that the weight of the unit is distributed une venly in the longitudinal direction Fastening irons of the kind illustrated in fig 3 can be used instead of hangers Electrical heater VEEK and Sound attenuator VELD are suspended in the same way as other ducts Suspension on a wall Uni...

Page 5: ... Water connection of air heater and air cooler The water connection is DN 25 with an external thread The inlet and outlet are marked with signs show ing the direction of flow The air heater is provided with a DN 8 internal thread for a frost protection sensor When connecting the pipes account must be taken of the risk of rupture damage see fig 7 Pipelines must be laid so that venting can take plac...

Page 6: ...cked in and damage the fan Starting The fan must not be started with the dampers closed on the suction side or the pressure side Brief operation to determine the direction of rotation of the wheel can be performed with a hatch open Storage before installation The storage space must not be subjected to vibra tions that may give rise to storage damage from the surroundings If the storage period exce...

Page 7: ...ast 0 21 0 23 m3 s VEEK 20 0 3 0 34 m3 s VEEK 30 Electrical heater VEEK VEEK aa bb c d e 4 Size Output variant Connection Power output External dimension Weight Min air flow Max power aa bb mm 1 stage kW mm BxHxL kg m3 s consumption at 400V AC 20 11 600x250 9 769x288x800 30 0 225 13 20 12 600x250 15 769x288x800 35 0 225 22 20 13 600x250 21 769x288x800 40 0 225 30 30 23 900x250 24 1069x288x800 48 0...

Page 8: ... 1 Is the filter dirty or blocked 2 Has any fire damper tripped 3 Is the automatic system damper function time relays etc functioning as expected 4 Is the fan working Filter service The VEKA unit with an electrical heater requires regular servicing of the filter in order to function without problems A contaminated filter can cause tripping of the overheating protection See the care instructions fo...

Page 9: ...motor should not be overloaded by running air volume which are outside the allowed range shown in the fan chart see VEKA catalogue At max speed the nominall current value stamped on the motor plate may not be exceeded Please notice instructions shown in the installation instructions and the brochure Guarantee terms do not cover damages caused by neglections of instructions Connecting the frequency...

Page 10: ... the screws supplied Adjust the indicator in the horizontal sense Filling with liquid Follow the instructions supplied in the indicator carton Hose connection Cut the supplied hoses to a suitable length and install them between the nipples on the unit side and the indicator Clip the hoses securely in place so that they are not damaged or kinked Temperature correction The pressure scale on the indi...

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