Summary of Contents for VTS Medical Systems Ventus VVS021
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VENTUS Compact Air-Handling Units Operation and Maintenance Manual DTR-VVS-ver.2.2 (01.2020)
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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 UNINTENDED STARTING VTS reserves the right to implement changes without prior notice Ventus Air Handling Units...
1 Table of Contents Table of Contents .......................... 3 Introduction ........................... 6 Application and design ........................6 General Information ........................7 Pre–Installation ........................... 11 4.1. Transport and storage ......................11 4.1.1. Receiving Checklist ...................... 12 4.2. Installation Preparation ....................... 12 4.2.1.
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4.2.4 Indication of operating mode ..................31 Technical data ........................32 4.3.1 Operation parameters ....................32 4.3.2 Carel μPC controller..................... 33 4.3.3 Cabling ......................... 34 Connection .......................... 35 4.4.1 Standard connection ....................35 4.4.2 Power connection......................35 4.4.3 Connection of automation elements ................36 Preparation for start–up ......................
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Safety instructions ........................48 Information..........................49 Technical information to the regulation (U) No 327/2011 Implementing directive 2009/125/EC............................50 VTS reserves the right to implement changes without prior notice Ventus Air Handling Units...
1. Introduction ATTENTION: Warnings, Cautions and Notices appear throughout this document. Read it carefully: WARNING! Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION! Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury.
Table 1. Functions codding Symbol Graphic Function Options of functions Air filtration M5,F7, F9 Cooling (hydronic or dx) Rows: 2, 3, 4, 6 Hot Water – rows: 1, 2, 3, 4 Heating (hydronic) Silencer Standard size Recovery with rotary exchanger Standard size 3.
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Majority of AHUs configuration is available in inspection panels are located). In case of left-hand (LH) and right-hand (RH) version supply-exhaust units the version is determined (fig. 2). The version of the unit is determined by the flow direction of the air in the supply by the flow direction of the air against the section.
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Fig. 3a. Examples of Compact AHU sections - Rotary heat exchanger section Fig. 3b. Examples of Compact AHU sections – Heater + Cooler section VTS reserves the right to implement changes without prior notice Ventus Air Handling Units...
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Table 2. Functionality and dimension of the sections Hw(1- C(2- Unit C(6R) C(2-4R) AHU size [mm] VVS021 1040 1040 1065 VVS030 1165 1120 1400 1065 VVS040 1174 1165 1120 1400 1065 VVS055 1345 1435 1040 1240 1065 VVS075 1486 1675 1120 1400 1065...
4. Pre–Installation 4.1. Transport and storage The air handling units are packaged for easy The Units and its sections are intended for handling and storage on the job site. Upon indoor storage. If indoor storage is not delivery, inspect all components for possible possible, VTS Company recommends the shipping damage.
4.1.1. Receiving Checklist Complete the following checklist immediately after receiving unit shipment to detect possible shipping damage. packing, cartons, and crate. Take photos Inspect individual crates before accepting. of damaged material if possible. Check for rattles, bent crates corners, or Notify the carrier’s terminal of the damage other visible...
4.2.1. Foundation The unit should be placed on: bottom one must be supported with the use of a foundation slab an appropriate construction fig. 5. a steel base frame concreted into the floor an appropriate stiff steelwork The height of the foundation slab or base frame must allow for assembly of the siphon which drains the condensate out of the draining tray.
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Fig.6a. Supports of the short (L≤630mm) sections Fig.6b. Base frame profiles of VVS 21-150 AHUs *The middle profile / support exists in the units VVS 100-150 Tab.3. Relations between length of the section and length of the base frame profile L [mm] Lbf [mm] 650-1000...
4.2.2. Service Access minimum recommended distance (fig.7) should installed that between front side existing connections of any related systems (ventilation construction elements (walls, pillars, pipelines, ducts, pipelines, cabling, etc.) do not collide etc.). with the inspection panels. This is possible to install other systems, CAUTION! It is forbidden to place any pipelines, pillars in the operation area only if...
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Fig.8. Steps at the joining the AHU sections VTS reserves the right to implement changes without prior notice Ventus Air Handling Units...
The ventilation ducts should be connected to supplied as standard delivery. the AHU with the flexible connections (optional Appropriate operation of the flexible connection accessory) which suppress vibrations of the occurs if it is stretched to about 110 mm. unit and level the coaxial deflection of the duct The ducts connected to the AHU have to be and the AHU outlets.
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NOTICE! Maximum operating pressure of the medium for water coils is 16 bar, tested pressure – 21 bar. Table 4 Requirements of the quality medium for the water coils: Parameter Value Oil and grease < 1 mg/l pH at 25°C 8 to 9 Residual water hardness ]/[HCO...
NOTICE: Do not release refrigerant to NOTICE: To ensure satisfactory the atmosphere! If adding or removing operation of DX coolers the coolers refrigerant required, service should be connected to the refrigerant technician must comply with all federal, system in accordance with all relevant state, and local laws.
4.6. Electric connection are connected to the power and control Connection of electric AHU elements should be system. User should only lead the power to carried out by qualified personnel and should connect separate control be done in accordance with any standards and elements like actuators, sensors, etc.
4.7.3. Electric heater Connecting power supply to the heater with Connection of the heater should be done in a control module should be done directly in the way to prevent from possibility of switching on heater section, according to the guidelines of the heater when the fan is not switched on.
4.7.4. Fan’s motors The fan of the VVS 21-150 compact units are under and over voltage and phase over integrated with EC motors. current. AHU can be equipped with 1 to 8 fans on the The motor can be started by means of digital one side of the unit.
5. Automation 4.1.4 Signaling controller status Description of controls 5.1.1 Introduction Application: Protection and control of supply and exhaust AHUs equipped with up to: In the bottom left side of the controller, there two fan and two air dampers ...
Press ENTER to go to the sub–menu level Use UP/DOWN arrows to move across the sub–menu screens In the desired screen, use the ENTER button to switch between the changeable parameters – the cursor starts from the upper left corner (which is the base position) and jumps on and on until going back to the upper left corner –...
ON/OFF button Display temperature of the main control sensor Switching between On/Off state (forcing the Change of AHU operation mode unit to stop or enabling operating mode Info on alarm status selection) Fan button Optional element. Connects to the controller via Button for mode setting: Auto / Low / Econo the Modbus line, common with the frequency / Comfort...
CALENDAR – link to calendar settings and The system is ready for operation after about time schedule programming half minute from switching on. Sub–menu link screen ALARMS – link to alarm pages Note! Sub–menu link screen SETTINGS – link to set and adjust the If the system did not start, check the F5 control system, regulators, timers protection on power box status correct device...
NightClg – Night Cooling – a mode for The temperature set point is common for all energy saving by cooling down the room operating modes, the dead zone settings are using cold air from the outside in the night. individual for each mode.
The unit can be controlled from several sources. Mind the priorities between them. HMI Advanced (highest priority) The BMS over Modbus TCP/IP connection External control inputs HMI Basic The calendar mode Note! To enable another sources than the HMI Advanced, the Operating mode HMI must be set to Auto Technical data 4.3.1 Operation parameters...
temperature sensor External 4.3.3 Cabling temperature 2x0,5 sensor Connect power leads of the HW back–water control gear and frequency temperature 2x0,5 converter of the fan drive sensor VTS–E– according Electric HE alarm switch 005 ter. 2x0,5 diagram. 22:23 HW anti–frost air 2x0,5 The wire cross–sections have been selected for side thermostat...
peripherals remain connected to Terminal 1 Supply Cabling for units: Unit size Supply cable VVS021c 3x2,5 mm 1x230V AC VVS021c 5x2,5 mm VVS030c 5x2,5 mm VVS040c 5x2,5 mm VVS055c 5x4,0 mm 3x400V AC VVS075c 5x4,0 mm VVS100c 5x6,0 mm VVS120c 5x6,0 mm VVS150c 5x10 mm...
4.4.3 Connection of automation elements Terminal 1 Analog input (NTC10k) B1 – Temperature sensor – supply B2 – Temperature sensor – return B3 – Temperature sensor – outside B7 – Temperature sensor – heater Terminal connection – HMI Advance (N3) VTS reserves the right to implement changes without prior notice Ventus Air Handling Units...
6. Preparation for start–up AHU start-up at putting the ventilation system - ground cables connecting the control gear into service can be carried out only by with ventilation ducts are installed, qualified and competent personnel. Before - hydraulic and freon systems are fully installed and ready for operation and heating starting-up the system and ducting must be or cooling medium is present during the...
6.3. Water heaters Check the following: connection of supply and return pipelines, if the anti–frost thermostat's capillary is firmly attached to the heater's casing, setting of the anti–frost thermostat (factory setting: +5ºC), if heater's control valve has been installed in accordance with markings shown on its casing. water heater need antirfrost thermostat.
7. Start-up and adjustment The start-up is going to test if the AHU is The AHU should operate for about 30 made in accordance with the design and is minutes. After that time turn it off and ready for operation. inspect individual sections.
7.2. Heat output adjustment of water heater External conditions, similar to the rated ones Heater output adjustment is proceeded by occur within an annual cycle during relatively setting appropriate amount of air passing short period. In most cases you have to take through the AHU.
8. Operation and maintenance Control periods must be adapted to local NOTICE! Personnel in charge of AHU conditions (contamination, number of start-up operation should read through this cycles, load, etc.). documentation before starting Personnel in charge of the AHU should from operation and maintenance activities.
8.2. Filters In standard AHU operation conditions the If the final pressure difference exceeds filters should be replaced circa each twice a designed value, it must be replaced. year. Necessity of replacing the filter (beside During filter replacement also clean the the visual contamination) is also indicated by filtration section - vacuum or dry cleaning.
8.3.2. Electric Heater Electric heater's battery consists of bare contamination should be removed with a heating coils. During AHU operation, when the vacuum cleaner with soft suction nozzle or heater does not work, dust may settle onto the with compressed air. heating coils.
8.4. Silencer section Suppression section is equipped with slotted fastening the levers to the bottom and top. lever filled with non-flammable mineral wool Re-assembly of the slotted levers in the absorbing acoustic energy. Maintenance section should be carried out in reverse order. procedures entail checking contamination eaning should be performed with a vacuum level of suppression inserts.
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9. Safety instructions – Operation of the AHU with removed – Connection and start-up of the AHU should be carried out by qualified personnel in inspection panel is strictly forbidden. accordance with recommended – Personnel operating, repairing or providing designed regulations guidelines maintenance services on the AHU must be...
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Information Routine inspections carried out by qualified VTS Authorized Service Providers sell spare parts technical personnel or by VTS Authorized and accessories for our AHUs. While ordering Service Providers guarantee long-term, reliable parts please provide the AHU type and size as and failure-free operation of the device.
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Technical information to the regulation (U) No 327/2011 Implementing directive 2009/125/EC Model: 225/0,75 EC 25/0,75 EC 67,1% 67,3% Static VSD - yes. A variable speed drive must be installed with this fan. …………………… VTS, Poland 1-2-0294-2181 1-2-0294-2183 750W, 1670m³/h, 1140Pa 750W, 1950m³/h, 1000Pa 4500RPM 3800RPM...
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