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11

VUT mini EC

VUT mini EC

MAINTENANCE 

The unit must undergo technical maintenance 3 to 4 times a year. Maintenance includes general cleaning of the unit and the 

following operations:

1. Filter maintenance (3-4 times per year).

Contaminated fi lters increase air resistance thus impairing supply air delivery into the premises. The fi lters should be cleaned as they 

get dirty, but at least 3-4 times a year.  Clean the fi lter with a vacuum cleaner or replace the worn fi lter with a new one. For new fi lters 
contact your Seller. 

2. Heat exchanger maintenance (once per year).

 

Even regular technical maintenance may not completely prevent dirt accumulation on the heat exchanger casing. Clean the heat 

exchanger on a regular basis to ensure high heat recovery effi

  ciency. To clean the heat exchanger remove it from the unit and wash with 

warm neutral detergent solution. Re-install the dry heat exchanger into the unit. 

Removing of the fi lters and the heat exchanger is as following:

   make sure the unit is disconnected from power mains;
   undo two clips that fi x the front panel to open the unit, fi g. 9.1. The hinged panel is opened, fi g. 9.2. 
   remove the fi lters, fi g. 9.3. 
   remove the heat exchanger, fi g. 9.4. 

3. Fan maintenance (once a year).

Even regular technical maintenance of the fi lters  may not completely prevent dirt accumulation in the fans which reduces the fan 

capacity and impairs supply air delivery into the premises. Clean the fans with rugs or a soft brush. Do not use water, aggressive solvents 
or sharp objects as they may damage the impeller.

4. Condensate drain check (once a year).

The condensate drain (line) may get clogged by dirt and dust particles contained in the exhaust air. Check the drain line operation by 

fi lling the drain pan under the unit with water, clean the U-trap  and the drain line, if necessary.

5. Fresh air supply duct check (twice a year).

The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery. Check 

the supply duct grill twice a year and clean it as required. 

6. Duct system check (every 5 years).

Even regular fulfi lling of all the prescribed above maintenance operations may not completely prevent dirt accumulation in the air 

ducts which reduces the unit capacity. The air duct maintenance includes their periodic cleaning or replacement.

7. Maintenance of the exhaust louve shutters and supply diff users (as required). 

Remove the disc valves and the louvre shutters and wash those with warm detergent solution. Do not change the positions of the 

disc valves and the louvre shutters.

Fig. 9. Unit maintenance 

1.

2.

3.

4.

Содержание VUT H mini EC

Страница 1: ...USER S MANUAL VUT V mini EC VUT H mini EC HEAT RECOVERY AIR HANDLING UNIT ...

Страница 2: ...rements Design and operating logic Mounting and set up Condensate drain Connection to power mains Unit control Maintenance Troubleshooting Storage and transportation rules Manufacturer s warranty Acceptance certificate Mounting certificate Warranty Card 3 3 3 3 4 5 6 7 8 9 10 11 12 12 13 13 13 14 ...

Страница 3: ... of the waste heat energy contained in the extract air to warm up the clean supply air The unit is rated for continuous operation always connected to power mains Unit 1 item Sped controller R 1 010 1 item User s manual 1 item Packing box 1 item DESIGNATION KEY USE THE UNIT IS NOT INTENDED TO BE USED BY CHILDREN PHYSICALLY OR MENTALLY DISABLED PERSONS PERSONS WITH SENSORY DISORDER PERSONS WITH NO A...

Страница 4: ...own in fig 1 and tables 1 2 The unit design is regularly improved so some models may slightly differ from those ones described in this manual TECHNICAL PARAMETERS Fig 1 Unit overall dimensions Table 1 Unit overall dimensions Model Dimensions mm ØD B B1 B2 B3 H1 H2 H3 L L1 L2 VUT 200 H mini EC 99 278 200 121 192 431 84 191 699 640 600 VUT 300 H mini EC 124 278 200 139 139 431 89 296 699 640 600 Mod...

Страница 5: ...he unit shall be performed in accordance with the present user s manual as well as the provisions of all the applicable local and national construction electrical and technical codes and standards The unit is classified as a class I electric appliance The unit must be grounded Before connecting the unit to power mains make sure that the unit is free of any visible damages or any other foreign obje...

Страница 6: ...overy minimizes thermal energy losses energy demand and operating costs for air heating accordingly The air handling unit construction includes specially designed and sealed service panels for repair and preventing operations The terminal block on the side panel incorporates a terminal block Power and ground cables are connected to the terminal block through the sealed electric lead ins Fig 2 Desi...

Страница 7: ...for rigid fixation on a horizontal plane fig 3 While mounting the unit provide the minimum required access to the unit for maintenance and repair The required minimum distances from the unit to the wall is shown in fig 3 5 Fig 3 Minimum distance for service access min 600 mm Fig 4 Unit suspended mounting VUT V mini EC min 400 mm min 80 mm VUT H mini EC Unit suspended mounting ...

Страница 8: ...enerate abnormal noise and resonate with the ceiling If the unit connection place to the spiral seam duct is supposed to be the source of abnormal noise install a flexible air duct instead of the flexible one Normally this measure is enough to troubleshoot the resonance Optionally the flexible connectors may also be used to prevent resonating Access to the unit must be prevented by installing a pr...

Страница 9: ...terminal box The unit terminal clamps are marked according to the marking on the wiring diagram Route the wires to the terminal box through the cable gland on the unit side panel to preserve the electrical protection class Connect the unit to power mains through the external automatic circuit breaker with magnetic trip integrated into the fixed wiring system with the rated current not below the ra...

Страница 10: ...e panel in compliance with fig 8 Fig 8 R 1 010 speed controller and wiring diagram CTR 10 V GND N PE L X1 A2 CTR 10 V GND 1 2 3 4 5 6 R 1 010 speed controller Speed controller wiring diagram The freeze protection thermostat is installed in the exhaust air duct downstream of the heat exchanger In case of a freeze danger the thermostat switches the supply fan off and the heat exchanger is warmed up ...

Страница 11: ...aintenance once a year Even regular technical maintenance of the filters may not completely prevent dirt accumulation in the fans which reduces the fan capacity and impairs supply air delivery into the premises Clean the fans with rugs or a soft brush Do not use water aggressive solvents or sharp objects as they may damage the impeller 4 Condensate drain check once a year The condensate drain line...

Страница 12: ...e sure the air dampers diffusers or the louvre shutters are fully opened High noise vibration The impeller s are soiled Clean the impeller s The screw connection is too loose Tighten the fan or casing screw connection against stop No anti vibration dampers Install anti vibration rubber mounts Water leakage The drain pipe is clogged damaged or wrong mounted Clean the drain line if necessary Check t...

Страница 13: ... by a qualified technician ACCEPTANCE CERTIFICATE CONNECTION CERTIFICATE The air handling unit with heat recovery VUT _____ mini EC has been duly certified as serviceable The product complies with the requirements according to the EU norms and directives to the relevant EU Low Voltage Equipment Directives EU Directives on Electromagnetic Compatibility We hereby declare that the following product c...

Страница 14: ..._ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ __________________________________________________________...

Страница 15: ...15 VUT mini EC VUT mini EC ...

Страница 16: ...2014 V39EN 03 ...

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