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- VUT 300 WH EC
- User's Operation Manual
Vents VUT 300 WH EC User's Operation Manual
Summary of VUT 300 WH EC
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User’s operation manual vut 300 wh ec vut 400 wh ec vut 600 wh ec air handling unit with heat recovery.
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2 vut .. Wh ЕС introduction use delivery set structural designation key technical data safety requirements structure and operating logic mounting and set-up condensate drainage connection to power mains unit control functional diagram technical maintenance fault handling storage and transportation r...
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3 introduction use the unit is not designed to be used by children, physically or mentally disabled persons, persons with sensory disorder, persons with no appropriate experience or expertise. The unit can be operated by qualified experts after appropriate instruction about its use and operation. In...
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4 vut .. Wh ЕС the unit is designed for indoor application with the ambient temperature ranging from +1°c up to +40°c and relative humidity up to 80%. Ingress protection (ip) rating from solid objects and liquids: ip 44 for the unit motors; ip 22 for the assembled unit connected to the air ducts. Th...
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5 type vut 300-1 wh ЕС vut 300-2 wh ЕС vut 400 wh ЕС vut 600 wh ЕС voltage, 50 hz [v] 1 ~ 230 max. Fan power [w] 2 items x 70 2 items x 70 2 items x175 2 items х 175 max. Fan current [a] 2 items х 0,6 2 items х 0,6 2 items х 1,3 2 items х 1,3 number of heating coils 2 total unit power [w] 0,14 0,35 ...
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6 vut .. Wh ЕС fig. 2 calculation of water heater parameters vut 300 wh ec, vut 400 wh ec vut 600 wh ec air temperature after heater [°c] air flow through the heater [m 3 /h] water flow through the water heating coils [l/s] wa ter pressure drop [kp a] ex ternal air temperature [°c ] coil heating cap...
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7 safety requirements while operating and mounting the unit consider the requirements of the present operation manual as well as general requirements of all applicable local and national building and electrical codes and standards. The unit must be grounded! Before connecting the unit to power mains...
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8 vut .. Wh ЕС structure and operating logic the unit has the following operating logic (fig. 3): warm stale extract air from the room flows through the air ducts to the unit, is purified in the extract filter and is supplied to the heat exchanger and exhausted outside by exhaust fan. Clean cold air...
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9 fig. 4. Unit design mounting and set-up fig. 5. Unit mounting the unit is suspended to the ceiling on the threaded rod that is fixed inside the dowel or may be rigidly fixed on a level surface (fig. 5). A) suspended unit mounting b) unit mounting on a horizontal plane antivibration rubber washer n...
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10 vut .. Wh ЕС mount the unit on a rigid and stable structure. Check the technical parameters and the unit weight. Use bolts to suspend the unit to the ceiling. Make sure that the construction has sufficient load capacity to carry the unit weight. Otherwise reinforce an installation place by beams ...
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11 fig. 7. Water heater connection b) counterflow connection a) direct flow connection water inlet water inlet water outle t water outle t to attain the best performance of the unit while mounting provide a straight 1 m duct section on both sides of the unit. If the unit is installed at the air duct...
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12 vut .. Wh ЕС condensate drainage connect the condensate drain pipes 1, u-trap 3 (not included into delivery set) and the drainage system 5 with metal, plastic or rubber pipes 2 and 4. The tubes must be sloped down by min. 3 °. 1 m pipe must be sloped down by 55 mm. Before starting the unit fill t...
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13 the unit is rated for connection to single-phase ac 230 v / 50 hz. Connect the unit to power supply by means of insulated, durable and thermal-resistant cords (cables, wires) with respective cross section, in any case no less 2.5 mm 2 . However, the given section value is tentative. The choice of...
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14 vut .. Wh ЕС unit control fig. 11. Location of the electronic control block 1. Extract filter 2. Heat exchanger 3. Supply filter 4. Electronic control block 5. Water heater 6. Extract fan general description of the automatic control system. The unit is equipped with a built-in electronic control ...
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15 structure and operating logic of automatic control system: automatic control system has winter and summer operation modes. The mode is selected automatically depending on the outside temperature: if the outside temperature is above the set point (0°c by default) the system operates in summer mode...
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16 vut .. Wh ЕС the air handling unit is equipped with an electronic control block, fig. 11, 12. Fig. 12. Electronic control unit x1 tr1 z1 f1 f2 te3 f1 - thermal fuse f2 - thermal fuse te3 - return heat medium sensor tr1 - transformer 230 vac / 24 vac x1 - terminal box for external connections z1 -...
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17 the controller has the following controls and indicators: indicator; buttons; led-lights. Indicator − lcd display with illumination. The display shows all the online operating parameters, temperatures, set points and alarms; buttons − 6 buttons on plc panel designed for the following functions: e...
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18 vut .. Wh ЕС menu tree factory setting functions and parameters, effects online parameters (online pram-s) online system parameters online temperatures (online temper-s) online temperature sensor reading menu ТЕ1 intake air temperature ТЕ2 exhaust air temperature ТЕ3 return heat medium temperatur...
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19 u3 failure u3 (underheating) appears if return heat medium temperature at the end of the heating cycle in winter mode before the fan start-up is below the set point, factory setting +40°c. Start-up of the fans is disabled. Adjustment basic controller adjustment menu. Adjustment editing by profess...
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20 vut .. Wh ЕС additional adjustments additional controller adjustment menu date/time day and time in adjustment menu date date adjustment menu Тime time adjustment menu correct time 0 plc timer correction factor per month. If the plc timer is too fast or too low, adjust the timer respectively by m...
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21 water heater adjustment (adjust-heater) water heater adjustment menu. Q-01 20 return heat medium temperature in winter mode when the fans are turned off that is kept automatically at set level by means of actuating the heat medium regulating valve [°c]. Q-02 180 time period for air heating coil p...
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22 vut .. Wh ЕС heat exchanger adjustments (adjust-recuper.) heat exchanger adjustment menu. R-01 0 minimum allowable exhaust air temperature downstream from the heat exchanger that does not require exhaust temperature regulation [ºc]. If actual exhaust air temperature drops down below r-01 paramete...
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23 the following alarms are possible: water heater freezing danger according to too low return heat medium temperature; water heater freezing danger according to too low air temperature downstream from the water heater; low return heat medium temperature (cold start is disabled); low exhaust air tem...
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24 vut .. Wh ЕС 1. On/off button; 2. Not applied; 3. Fan speed (auto/high/med/low); 4. Day/night mode; 5. Supply air temperature setting up; 6. Supply air temperature setting down; 7. Temperature output signal indicator; 8. Temperature output signal value; 9. Supply air temperature setting indicatio...
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25 functional diagramm fig. 15. Unit functional diagram 1 1 2 q1 e5 e1 e3 sm4 dd1 e4 sm3 230v ac 24v ac sm2 e2 d1 d2 f1 f2 3 rk1 sm1 ts1 name sm1 sm2 sm3 sm4 te1 te2 te3 ts1 te5 p1 m1 m2 m3 f1 f2 d1 d2 q1 rk1 inside outside power design. Supply damper actuator extract damper actuator bypass damper a...
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26 vut .. Wh ЕС maintenance operations of the unit are required 3-4 times per year. Maintenance includes regular cleaning and the following operations: 1. Filter maintenance dirty filters increase air resistance in the system and reduce supply air volume. The filters require cleaning once in 3-4 mon...
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27 fault handling problem possible reasons fault handling the fan(s) do(es) not get started no power supply. Make sure the power supply line is connected correct, otherwise troubleshoot the connection error. Motor is jammed, the blades are soiled. Turn the unit off. Remove the motor jamming. Clean t...
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28 vut .. Wh ЕС storage and transportation rules store the unit in the manufacturer’s original packing box in a closed ventilated premise with temperature range from +10°c to +40°c and relative humidity less than 80% (at 20°c). Vapours or particles which can cause corrosion or damage the insulation ...
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29 this is to certify that the air handling unit vut ______ wh ec has been connected to power mains pursuant to the requirements stated in the present user’s manual by a qualified technician: the air handling unit with heat recovery vut______wh ec has been duly certified as serviceable. We hereby de...
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30 vut .. Wh ЕС.
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31.
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V46eng-05.