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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 

Содержание VUT 300 WH EC

Страница 1: ...USER S OPERATION MANUAL VUT 300 WH EC VUT 400 WH EC VUT 600 WH EC AIR HANDLING UNIT WITH HEAT RECOVERY...

Страница 2: ...logic Mounting and set up Condensate drainage Connection to power mains Unit control Functional diagram Technical maintenance Fault handling Storage and transportation rules Manufacturer s warranty Ac...

Страница 3: ...ns of heat recovery and is one of the energy saving components used in buildings and premises The units with heat recovery and water heater are designed to provide permanent controllable air exchange...

Страница 4: ...ernal view technical data are shown in fig 1 and in table 1 The unit design is regularly being improved so some models can slightly differ from those ones described in this manual TECHNICAL DATA STRUC...

Страница 5: ...ty m3 h 300 300 400 550 Rotationspeed min 1 1380 1380 1340 2150 Noise level 3 m dB A 24 45 28 47 Max transporting air temperature C from 25 up to 60 Casing material Aluzinc Insulation 25 mm mineral wo...

Страница 6: ...of the graphic 6 0 72 l s Water pressure drop Draw the line 7 from the point where line 6 crosses the black curve to the pressure drop axis 3 5 kPa Water heater parameters calculation example Supply a...

Страница 7: ...fied electricians with valid electric work permit Do not operate the unit beyond the specified temperature range or in an aggressive and explosive medium The unit is not rated for use in areas where a...

Страница 8: ...with quick detachable service panels 14 for scheduled repair and maintenance operations The panels are specially sealed The terminal box 15 is detached to inner side of one of the side walls 13 The te...

Страница 9: ...Unit mounting on a horizontal plane Antivibration rubber Washer Nut Antivibration rubber Nut and counter nut Nut Washer Nut Washer Example 1 Example 2 1 Supply fan 2 Extract fan 3 Plate counter flow h...

Страница 10: ...unit ranges between 1 C and 40 C for dry bulb thermometer at relative humidity 80 If the bolts used for the unit mounting are too short the unit can generate abnormal noise and resonate with the ceil...

Страница 11: ...access to the unit fans To increase the unit efficiency connect the water heating coils counter flow fig 7 All the stated calculations are valid for counter flow connection of the water heater The wa...

Страница 12: ...4 Drain pipe 5 Sewage system Fig 9 Condensate drainage irculation pump operation not included into delivery set The circulation pump switches automatically on both in summer or winter mode when the fa...

Страница 13: ...netic circuit breaker integrated into the fixed wiring system The trip current must be in compliance with current consumption refer table 1 Fig 10 External wiring diagram VUT VH 1 The unit comprises P...

Страница 14: ...ing valve 3 Water heater freezing protection according to TS1 thermostat installed downstream from the water heating coils and according to return heat medium sensor 4 Actuating the heat exchanger byp...

Страница 15: ...thin the time period set by PLC parameter Q 02 factory setting 180 seconds see table 3 by means of 100 opening the heater regulation valve to provide full air stream through the heating coils This fun...

Страница 16: ...hermal fuse F2 thermal fuse TE3 return heat medium sensor TR1 transformer 230 VAC 24 VAC X1 terminal box for external connections Z1 digital controller TS1 freezing protection thermostat TS1 The digit...

Страница 17: ...indicator Alarm Alarm in the system Fault PLC alarm L1 not activated L2 not activated Selecting the required function Select the required function using the buttons and then press Enter Press Esc to r...

Страница 18: ...period refer heat exchanger adjustments Adjust Recuper In case of this alarm the bypass damper is fully opened and the supply and extract fans keep operating 1 Emergency system shutdown on the signal...

Страница 19: ...stment menu The engineering menu is displayed Eng adjust Adjustment of fans Adjust vent Fan parameter adjustment menu V 02 40 Supply fan low speed adjustment V 03 70 Supply fan medium speed adjustment...

Страница 20: ...buttons and then press Enter and so on To return to the previous digit entry press Esc After entering the last number the PLC saves the new password From now on every time when you enter the engineer...

Страница 21: ...failures s If automatic alarm reset is enabled and any freezing danger appears the fans are restarted if they were operating before the alarm after Q 07 set time period provided that the alarm is remo...

Страница 22: ...o check exhaust air temperature decrease s R 04 1 Adjustment of the exhaust air temperature regulation parameters by the bypass valve PI regulation proportionality constant R 05 100 Adjustment of the...

Страница 23: ...this case the freeze protection thermostat is activated In case of U1 and U2 failures the light indicator on the control panel is turned on Simultaneously the fans shut down and the heat medium regula...

Страница 24: ...14 The speed settings are displayed on the control panel The day night mode switch is set by the button 4 while holding it within 3 seconds In night mode the minimum supply air temperature is maintai...

Страница 25: ...damper actuator Extract damper actuator ByPass damper actuator Heat medium regulating valve actuator Outdoor air temperature Temperature sensor at outlet from the heat exchanger Return heat medium te...

Страница 26: ...ccumulated inside the fans and reduce the fan performance and supply air flow Clean the fans with a soft brush or cloth No water and abrasive detergent sharp objects or solvents are allowed for cleani...

Страница 27: ...at exchanger The ventilation system components air ducts diffusers louvre shutters grilles are soiled or damaged Clean or replace the ventilation system components air ducts diffusers louvre shutters...

Страница 28: ...ence the unit misuse or gross mechanical effect Fulfill the requirements set in the user s manual to ensure proper functioning of the unit Manufacturer hereby guarantees normal performance of the unit...

Страница 29: ...tes relating to electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Acceptance Inspector s Stamp Date of manufacture _______...

Страница 30: ...30 VUT WH...

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Страница 32: ...V46ENG 05...

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