Инструкция на Агрегаты для вентиляции и кондиционирования VENTUS VVS021-VVS650 бренда VTS

VENTUS Air-Handling Units

Operation and Maintenance Manual DTR-VS-ver.5.3 (03.2020)

OPENING THE INSPECTION PANELS WHEN THE UNIT IS RUNNING OR STARTING THE UNIT WITH OPEN INSPECTION PANELS ARE STRICTLY PROHIBITED! BEFORE OPENING THE INSPECTION PANEL TURN OFF THE UNIT AND WAIT TWO MINUTES SO ALL MOVING PARTS WOULD STOP! SWITCH OFF AND PROTECT THE POWER SUPPLY TO PREVENT THE UNIT FROM…

1. INTRODUCTION

In-depth familiarization with the content of this manual, assembly and operation of the air-handling unit in line with the instructions provided and obeying all safety regulations constitute the basis of efficient, safe and non-failure operation of the device. Works related to unloading packages…

Table 1. Marking of AHU base modules

Base modules Module composition V Fan FV Filter, fan H Filter, heater, fan HC/CH HC CH Filter, heater, cooler, fan HCH VS 21-650 Filter, heater, cooler, fan, heater C Filter, cooler, fan P Cross-flow exchanger P Counter-flow exchanger R Rotary exchanger F Secondary filter E Empty box M Mixing box S…

Exhaust-air AHU

Supply-air AHU AHU with cross-flow exchanger AHU with rotary exchanger Fig. 1 Examples of AHUs type VS 21-650 functional configurations Example of basic supply unit consist of a filter, water coils, condensate drain pan (if applicable), direct driven fan assembly. Supply - Exhaust AHUs can be…

Fig.3. Example of the basic supply-exhaust unit: 1 – bag filters, 2- counter-flow heat

exchanger, 3 - droplet eliminator, 4 – coil, 5 - direct driven fans, 6 – casing Majority of AHU-s configuration is available in left-hand (LH) and right-hand (RH) version (fig. 3 and 4). The version of the unit is determined by the flow direction of the air against the tending side of the unit (the…

3. TRANSPORT AND STORAGE

The VENTUS AHUs from size range VS 21-650 are delivered as fully assembled, assembled in sections or in packages, placed on closed palettes, containing elements to be assembled on- site by the Authorized VTS Service. This manual does not contain instructions and guidelines on assembly of the unit.…

the frames in order to mount an appropriate pipe bar. Lifting strings must be spaced with the use of

beams of appropriate length. Fig. 5a Using a forklift truck to transport the unit c) d) Fig. 5 Transport with the use of a crane b) VS 21-150 AHUs with using wooden supports c) VS 21-150 AHU sections with using steel pipes d) VS 180-650 AHUs AHU have to be transported in their working position…

4. FOUNDATION, ASSEMBLY, CONNECTION OF UNITRELATED SYSTEMS

4.1 AHUs supplied in sections Sections connection is out of the standard offer of VTS. It is possible to purchase additional option to connect to the section by Authorized Service VTS. When the customer connect the section himself should follow the separate instructions, supplied with AHU in the…

If the unit operate with the low inlet temperature of the air it is recommended to use the mixture of the glycol (up to 45%) as the heating medium. All installation pipes of the water heating, condensate drying, hydraulic valves should be well isolated. The best is use the pre-heater before the heat…

The required installation place area

Width of the unit + 4 meters (two meters on each side of the unit) Length of the unit + 4 meters (two meters on each side of the unit) Base of the unit made in compliance with the requirements described in chapter 4.2.2. The 230V power supply should not be located further than 20m from the…

c. Placing, balancing and anchoring of air handling units,

d. Connecting air handling units to ventilation ducts, utilities and electricity. e. Start-up of air handling units, f. Recycling of containers in which air handling units were delivered. 4.5 Foundation The unit should be placed on: - a foundation slab - a steel base frame concreted into the floor…

AHU size

Fig.7e. Location of end foundation holes in base frames of the VS 180-650 AHUs

Fig.8. Base frame of the AHU's blocks a) VS 21-75 Ventus Air Handling Units VTS reserves the right to implement changes without prior notice 17

W3

b) VS 100-150 c) VS 180-300 d) VS 400-650 All base frame profiles must be supported. For foundation holding of the VS 21-150 AHUs should be drilled holes in the bottom part of the longitudinal profile of base frame. For foundation holding of the VS 180-650 AHUs can be used a holes in the ends of…

4.6 Place of foundation

The AHU should be installed so that connections of any related systems (ventilation ducts, pipelines, cabling, etc.) do not collide with the inspection panels. It is forbidden to place any elements on the AHU as well as use the AHU as a support of ventilation ducts and other building components. In…

Fig.10. Duct’s connection rules

4.8 Connection of heaters and coolers Connection of the exchangers should be carried out so as not to allow for stresses which may result in mechanical damages or leakage. The pipeline weight and thermal stresses cannot be passed onto the exchanger's connections. Depending on a local conditions…

Fig.11. Securing the screwed connections of the exchanger

Table4. Types of exchanger interceptors connections Rated diameter of the connectors Dn [mm] Water exchangers Interceptor connection material Way of connecting the interceptor Brass R 3/4” thread Brass R 1” thread Brass R 1 1/4” thread Steel R 2” thread Steel R 3” thread Freon coolers regardless…

Fig.12. Examples of feeding water exchangers

Supplying freon coolers and heaters Supplying freon coolers and heaters Connecting the freon cooler to the supply system with a refrigerating unit should be done by a qualified cooling system specialist in accordance with the regulations concerning the freon-driven cooling devices. Fig. 13 Supplying…

1. Safety valve

2. Manometer 3. Vent valve 4. Supply valve 5. Expansion vessel 6. Circulation pump 7. Thermometer 8. Temperature sensor connector 9. Compensation valve 10. Control valve Fig.14. Examples of connecting the exchangers to supply systems 4.9 Connection of evaporative humidifier AHUs VS 21-650 can be…

1) humidifying pad

2) Ø10 coupling 3) water supply for humidifying pad (High pressure nylon hose Ø10mm) 4) DN15 supply connection 5) humidifier control box 6) supply pipe 7) water filter 8) cut-off ball valve 9) outlet connection DN25 10) pump 11) control valve 12) relief valve Fig.15. Evaporative humidifiers a)…

Table 6. Types of the supply and drainage connection

AHU size VS 21 - 55 VS 75 - 650 Humidifier type Direct drain Circulating Supply connection DN15 threaded galvanized pipe High pressure nylon hose Ø10mm Drainage connection DN25 threaded galvanized pipe DN25 threaded galvanized pipe L/R side versions no, universal yes Table 7. Parameters of…

condensate is drained from during operation and the ambient pressure. „H" dimension is provided in

mm and must be higher than the pressure difference expressed in mmH2O. Due to various pressure difference values which are present in various AHU sections during operation it is not allowable to connect several condensate outlets into one siphon. It is allowable to join together siphons of various…

4.11.2 Evaporative humidifier

Evaporative humidifiers are equipped with control cabinets that operate the components of the humidifier and provide basic functionality and safety of operation (e.g. dry-running protection for pump). Note! Those control cabinets do not measure or regulate humidity. Control signal to enable the…

Fig.17.b. Electric connection diagram for circulating humidifier

Electrical connection should be done in accordance to the schemes shown in the fig 17.a. and 17.b. 4.11.3 Electric Heater Electric heater supply wiring should be let through the fixed panel, at the AHU's back. If the wiring is led through the inspection panel, on the front side, then it should be…

of the thermostat protecting against overheating the air inside the heater caused by drop or lack of air flow. Heating coils of the heater will be damaged if the system is turned on and the there is no air flow. The thermostat must be absolutely installed in the heater control system. Thermostat…

Fig.19. Diagram of connecting the heating units to the electric heater's terminal strip without the

heating module Ventus Air Handling Units VTS reserves the right to implement changes without prior notice 30

Table 9. Power outputs without the heating module, depending on a way of connecting heating units

Heater's output power in kW Number of heating unit groups connected in a "Y" star 0 0 Number of heating unit groups connected in a "Δ" triangle 4.11.4 Fan’s motor VS 21-30 with motor power till 0,75kW Ahus are equipped with the fans with the modern and high-performance EC motors. IP protection class…

In case of a breakdown and stoppage of one fan the fan set does not fulfil its function

and should be disabled. Attention! In the inspection door of the fan section is installed limit switch, which cause the fan to stop in case of unauthorized opening of the door. The switch must be connected to the frequency converter, accordance with the wiring diagram attached in the separate…

Fig.21. EC motor cable description

4.11.5 Air Dampers Air dampers applied in VS 400-650 AHUs are equipped with two separate pins as standard, they should be propelled with two actuators. Propulsion of the above mentioned air dampers based on a single actuator (regardless of its maximum torque) can result in inappropriate operation of…

5.1 Electrical system

Before closing connecting boxes of the electric devices check the following: - basing on appropriate electric diagrams - conformity of connections, - application of protection units for all electric devices, - fastening all screws and appropriate assembly of any supporting elements and electric…

5.4 Electric heaters

Check the following: - electric connections, in accordance with electric diagrams for heaters' connection, - connection of the protection thermostat, - if the heating units do not touch other elements within the heating section, - if the heaters' heating units are not damaged. 5.5 Water and glycol…

5.8 Rotary exchanger

Before starting up the exchanger, check the following: - after removing the wedge-shaped belt - if the motor's rotor rotates freely, - distance between the rotor and casing and adjust the sealing brushes, if needed, - electric connections, - if the cleaning air-lock is installed on the side of the…

Operation of the device with open inspection panels is forbidden

6. START-UP AND ADJUSTMENT The start-up is going to test if the AHU is made in accordance with the design and is ready for operation. Start up and ventilation/air-conditioning systems adjustment can be done only by qualified and competent start- up personnel, equipped with necessary test devices.…

ventilation duct test cross-section. One of the most common ways of determining average speed is

the cross-section probing method with the Prandtla pipe and measurement of the speed-related average dynamic pressure. Crucial factors influencing the measurement accuracy are: - location of the measured cross-section in relation to the elements, - quantity and location of test points in the…

6.3 Adjustment of electric heater

Power adjustment of electric heater is carried out in most cases by means of turning off individual group of heating coils. Multistage control (table.8) is carried out through connecting specific heating coils with each other. Smooth control of heater power is carried out by applying the VTS control…

6.5 Adjustment of humidifier

To the humidifier the water flow should be adjusted. Water consumption must be adjusted for a specific AHU, so that the pad will clearly wet on the entire surface. Table 10 shows the minimum and nominal value of the water flow for standard work point: - air inlet temperature 40°C - relative humidity…

Any damages of the AHU or its parts resulting from not following the guidelines stated

in this documentation will not be subject to warranty claims. Basic AHU technical data such as type, parameters and dimensions of the most significant parts (filters, heat exchangers, fans, electric motors) are provided in the Technical Data Card supplied with each device. Any AHU maintenance…

In case of ordering a new filter set at the VTS authorized service provider, provide filter type, filtration class, AHU size and, if needed, size and number of filters according to the following table. The AHUs always have to operate with installed air filters, otherwise fans power consumption may…

Table 13. Bag filters used in AHU VS 21-650

Number of B.FLT bag filters with AxB dimensions for a AHU filtration section size 592x287 592x592 428x428 490x490 490x592 428x287 VS 21 2 VS 30 2 VS 40 2 VS 55 2 VS VS VS VS 150 8 VS 180 8 VS 230 8 VS 300 15 VS VS VS - L=300 for G4 and F5 class filters L=600 for F7 and F9 class filters Table 14.…

- repeat this procedure several times at short intervals until only air goes out of the

drain hose without any visible drops of water - screw the drain and vent plugs back Check contamination level of heater's lamellas at least every four months. Dust deposition on the heater surface deteriorates the heater's heating power and lead to pressure drop on the air side. Even if the AHU is…

Necessary cleaning should be carried out using

- vacuum cleaning with soft suction nozzle, - blowing through the ducts with air stream in a direction opposite to the normal air flow direction, - washing the air ducts at their whole length with water with cleaning agents which do not cause aluminum corrosion, - in case of very contaminated…

Fig.23. Disassembly of the counter-flow heat exchangers from the unit VS 75-650

Ventus Air Handling Units VTS reserves the right to implement changes without prior notice 46

Rotary exchanger Check the exchanger every four months and inspect its technical condition as well as contamination level of the rotor. During maintenance activities of the rotary exchanger check if: - rotor rotates freely. Sensible resistance can be caused by too excessive hold down of sealing…

- flexible connection (if any) is not damaged,

- all screws fastening construction elements of the fan unit are tight. Lack of rotor's balance can be caused by: - dust settlings on the rotor's blades, - detachment of additional balancing weights, - damage of the rotor's blades. Checking the contamination level of the casing inside, rotor and…

FANS BEARINGS

Depending on a type, size and shaft power, fans assembled in the AHUs are equipped with various types of bearings. Fans without a casing equipped with PEAF..KBT 1 belt drive (table 16 a) are delivered with already greased ball bearings in cast-iron casings. Amount of grease used for lubrication as…

Replacement of bearings mounted on cross-bars in TDF type fans

1. Deflect the securing washer (1) with the use of a screwdriver and unscrew the nut (2). 2. Knock out the inside sleeve (3) with the use of a copper hammer and remove screws (4) fastening the casing. Slide the casing together with the bearing off the shaft. With the use of appropriate tools hold up…

Please follow the safety regulations below

- disconnect power supply, - apply protection module against unintended switching on the device, - check if source of power supply is not in contact with the device in any way, - apply covers for neighboring live devices. All precautions listed above should be maintained till all maintenance…

Table 17. Specification of „Siemens” motors' bearings - fans with intermediate drive

Mechanical motor's size Bearing at the drive side Bearing at the motor's back 71 6002-2Z-C3 6002-2Z-C3 80 6004-2Z-C3 6004-2Z-C3 90 6205-2Z-C3 6004-2Z-C3 100 6206-2Z-C3 6205-2Z-C3 112 6206-2Z-C3 6205-2Z-C3 132 6208-2Z-C3 6208-2Z-C3 160 6209-2Z-C3 6209-2Z-C3 180 6210-Z-C3 6210-Z-C3 200 6212-Z-C3…

Table 19 Deflection power value P* depending on type and diameter „dP” of the smaller wheel

SPZ SPA SPB Diameter of the smaller pulley dP [mm] 67-95 100-140 100-140 >140 160-236 >236 Deflection force P* [N] 10-15 15-20 20-27 28-35 35-50 50-65 Deflection force P* [Kg] 1.0-1.5 1.5-2.0 2.0-2.7 2.8-3.6 3.6-5.1 5.1-6.6 *power required to deflect a belt by s=16mm at wheel spacing A=1000mm V belt…

Fig.26. Adjustment of wedge-shaped belts tension

Fig.27. Pulleys adjustment In order to correct alignment of the motor and fan's shafts you have to accurately locate the motor onto the stretching panel. If the pulleys' grooves are not aligned, move one of the pulleys (fan or motor's) along the shaft in order to align the surfaces. This procedure…

5. Adjust the pulley (fig. 27)

6. Tighten up the screws firmly in turn in order to clamp the sleeve with pulley onto the shaft's pin. 1. Pulley 2. „Taper-Lock” sleeve 3. Hexagon-socket screws Fig.28. Pulley and „Taper-Lock” sleeve Fig. 30 Pulley with sleeves with numbers from 3535 up to 5050 Fig. 29 Pulley with sleeves with…

9. INFORMATION

Routine inspections carried out by qualified technical personnel or by VTS Authorized Service Providers guarantee long-term, reliable and failure-free operation of the device. Our service personnel is always available to accompany you during the start-up, maintenance and in case of any other…

IMPLEMENTING DIRECTIVE 2009/125/EC Model: 1. 22/0,55/2 22/0,75/2 25/0,75/2 25/1,5/2 31/1,1/2 31/1,5/2 31/2,2/2 35/1,5/4 35/2,2/2 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C 57,90% 57,10% 56,40% 60,70% 54,90% 58,70% 60,30%…

35/3/2 40/1,5/4 40/2,2/4 40/3/4 45/2,2/4 45/4/4 45/5,5/4 50/4/4 50/5,5/4 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C 60,70% 61,60% 62,20% 60,10% 60,90% 63,60% 64,70% 62,70% 63,80% 2. A 3. Static 4. 62 5. VSD - yes. A variable…

56/4/4 56/5,5/4 56/7,5/4 20763 63/4/4 63/5,5/4 63/7,5/4 63/11/4 Model: 1. VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 VSD10 +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C +55 °C 64,70% 61,50% 62,50% 63,50% 64,60% 60,60% 61,50% 62,50% 63,50% 2. A 3. Static 4. 62 5. VSD - yes. A variable…

IE2 22/0,75/2 IE2 25/0,75/2 IE2 25/1,5/2 IE2 31/1,1/2 IE2 31/1,5/2 IE2 31/2,2/2 IE2 35/1,5/4 IE2 35/2,2/2 IE2 1. 61,50% 61,40% 60,60% 64,10% 58,30% 61,90% 63,10% 64,70% 62,10% 2. A 3. Static 4. 62 5. VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN…

35/3/2 I

E2 40/1,5/4 IE2 40/2,2/4 IE2 40/3/4 IE2 45/2,2/4 IE2 45/4/4 IE2 45/5,5/4 IE2 50/4/4 IE2 50/5,5/4 IE2 1. 63,10% 66,20% 65,90% 63,20% 64,50% 66,30% 67,00% 65,40% 66,20% 2. A 3. Static 4. 62 5. VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN…

IE2 56/4/4 IE2 56/5,5/4 IE2 56/7,5/4 IE2 56/11/4 IE2 63/4/4 IE2 63/5,5/4 IE2 63/7,5/4 IE2 63/11/4 IE2 1. 66,80% 64,20% 64,80% 65,60% 66,30% 63,20% 63,70% 64,50% 65,10% 2. A 3. Static 4. 62 5. VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN…

IE3 1. 22/0,75/2 IE3 25/0,75/2 IE3 25/1,5/2 IE3 64,10% 63,30% 66,40% 31/1,1/2 IE3 2. A 3. Static 4. 62 5. 31/1,5/2 IE3 31/2,2/2 IE3 35/1,5/4 IE3 35/2,2/2 IE3 64,10% 65,20% 66,70% 64,20% VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN 0000236306…

IE3 40/1,5/4 IE3 40/2,2/4 IE3 40/3/4 IE3 45/2,2/4 IE3 45/4/4 IE3 45/5,5/4 IE3 50/4/4 IE3 50/5,5/4 IE3 1. 65,00% 68,30% 67,80% 64,90% 66,40% 67,90% 68,50% 67,00% 67,60% 2. A 3. Static 4. 62 5. VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN…

IE3 56/4/4 IE3 56/5,5/4 IE3 56/7,5/4 IE3 56/11/4 IE3 63/4/4 IE3 63/5,5/4 IE3 63/7,5/4 IE3 63/11/4 IE3 1. 68,10% 65,70% 66,20% 66,90% 67,50% 64,70% 65,10% 65,70% 66,30% 2. A 3. Static 4. 62 5. VSD - yes. A variable speed drive must be installed with this fan. 6. 2018 7. ALLTS Sp. z o.o., CRN…

22/0,37 EC

22/0,75 EC 25/0,37 EC 25/0,75 EC 1. 66,60% 66,20% 66,00% 69,30% 1-2-0294-1548 1-2-0205-4001 1-2-0205-4003 747W, 1550m³/h, 1150Pa 423W, 1550m³/h, 620Pa 780W, 1950m³/h, 1000Pa 3000RPM 3800RPM 2. A 3. Static 4. 62 5. Yes 6. 2018 7. VTS, Poland 8. 9. 1-2-0294-1547 379W, 1300m³/h, 700Pa 10. 3600RPM…

Инструкция на Агрегаты для вентиляции и кондиционирования VENTUS VVS021-VVS650

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