"Control and automation block for VENTS PA W" ( PDF 1,61Mb )
Contents
1. FUNCTIONAL DIAGRAM Outdoors Indoors gt Ur SCH gt P1 9 I 29 O o o 24V AC o 6 Digital Input Q 5 9 Digital Output D A Analogue Input 9 6 o o Analogue Output 2 S 822228 RR RRE REES or Leer De renere O E Sui suppyardampersevete LL sua imeen vanea AUTOMATIC CONTROL SYSTEM ACS DESIGN AND OPERATION The AGS operates in two modes Heating or Cooling The Heating or Cooling mode is selected automatically according to the outdoor temperature if the outdoor temperature is in excess of Tnepex parameter value as set from the controller menu Tnepex parameter see Table 2 factory setting 5 C the system runs in the Cooling mode whereas on temperature dropping below the Tnepex threshold value the system switches to the Heating mode The fans are started and shut down using button 1 see Fig 10 on the control panel The air flow fan speed is set by button 3 also located on the control panel see Fig 10 The controller activates and deactivates the water coil circulation pump controls the heat transfer medium valve and opens and closes the ambient air damper automatically In the Cooling mode the ACS additionally performs the following2. XW 80 9344 HUN MPO Yd 104 Wesbelg SUOIJSUUO 423 3 VENTS PAW Design Name Type Recommended Cable 2 s Sections ATV1 Frequency Transformer Ss a motor EO Pump Dry Running Protection Relay 2x0 75 Pressure safety switch on fresh air filter DTV500 2x0 75 Depends on unit M1 1 Supply Fan E 9 pr femea sor The cables are routed into the terminal box through a sealed lead in on control unit side wall to ensure protection class compliance see Fig 7 The external lead in 230V 50Hz must be equipped with an automatic cutout switch with a magnetic breaker built into the stationary wiring to disconnect the power voltage The external switch location must ensure free access for quick shutdown of the unit The trip current shall be consistent with the current consumption of the unit GENERAL OPERATION GUIDELINES The operation technical maintenance and repair shall be performed only by qualified experts familiar with the present document Unpack the control unit carefully perform a visual inspection and check for mechanical damage Check the package for completeness After transportation under temperatures below zero the automatic unit shall be kept unpacked in normal conditions for 24 hours While making connections and installing equipment follow the instructions in the present User s Operation
3. Three Way Valve Actuator S Kc OU amp Outdoor Temperature Sensor TE1 Sensor TE1 should be placed in the ambient environment to ensure its accurate readings while the system is off or immediately upon its activation i e sufficient heat exchanger warm up relative to the actual ambient temperature etc If the sensor is mounted in the supply air duct the measured temperature will only be true when the fan is on Supply Air Temperature Sensor TE5 Supply air temperature sensor TE5 enables temperature regulation and must ne installed downstream of the water coils or air cooler relative to the air stream direction The sensor is intended for air supply air temperature measurement and therefore may not be installed indoors A ATTENTION Incorrect installation of sensor TE1 may distort the measurements and adversely affect the start up conditions which in turn may cause the hydronic coil heater failure Pressure Safety Switch on Filter PD1 The pressure safety switch should be installed on the filter in such a way that the negative input of the relay is placed in the lower pressure area i e upstream of the filter by means of a tube whereas the positive input in the higher pressure are i e downstream of the filter as shown on Fig 5 The maximum pressure drop value set on the pressure safety switch must cor
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7. 11 The supply air temperature can be set as desired using buttons 5 and 6 whereas the current temperature setting shows on the remote control screen 9 The Heating or Cooling modes are cycled by pressing button 2 as shown on the remote control screen 13 Disconnect the unit from the power supply prior to any electric work The power mains connection shall only be performed by a professional electrician The nominal electrical parameters of the unit are given on the manufacturer s label Any tampering with the internal connections is prohibited and will void the warranty The unit takes 230V 50 Hz single phase alternating current The connection must be made using durable insulated and heat resistant conductors cables and wires with the minimum section of 2 5 mm E The given wire sections are for reference only The conductor section selection shall account for the maximum permissible wire heating which depends on the wire type its insulation length and installation method i e overhead in pipes or inside the walls The unit connection shall be made z on terminal block X1 mounted inside the control unit see Fig 7 in accordance with the external E connections diagram and terminal designations as shown on Fig 11 for PA 01W PA 02W and PA 03W units or on Fig 12 for PA 04W unit according to the air handling unit type 23845035 pajddns ase sadinap aul x E TA Buet Ul W 01 pa22X JOU 5 5 Ld JON
8. Manual The system will operate normally only provided a 24 hour uninterrupted power supply TRANSPIRATION AND STORAGE The control unit must be handled as fragile goods The control units must be stored in premises where the maximum relative humidity does not exceed 85 and the conditions prevent moisture condensation the ambient temperature is within the range from 25 C to 60 C The equipment storage methods must prevent ingress of dust water caustic or other corrosive substances or adversely affecting the structural parts and elements reduce the strength of plastic insulation parts etc SAFETY PRECAUTIONS The system maintenance shall be performed by electricians with the minimum electrical safety qualification Level 3 electrical installations with a voltage of up to 1000 V The system and its peripheral equipment service shall be performed pursuant to the Safety Requirements in the Electrical Installations Code PUE and Safety Regulations PTB All the adjustments performed on energized equipment must be performed by at least 2 persons The control unit is compliant with the Electrical Installations Code PUE The control unit is classified as follows v rank 3 in terms of operational completeness 7 in terms of metrological properties the unit is classified as a measuring instrument only insofar as the built in measurement instrumentation is concerned 7 in terms of ingress protection the unit des
9. OPERATION MANUAL Automatic Control System for Air Supply Ventilation Unit with Hydronic Coil Heat Exchanger CD PAW CONTENTS General description 3 Technical Specifications 4 Safety Requirements 4 Functional Diagram 5 ACS DESIGN AND OPERATION 5 Safety Precautions 7 Controller Function Set 10 Remote control 14 External Connections Diagram 15 General Operation Guidelines 18 Transportation and Storage 18 Safety Precautions 19 Manufacturer s Warranty 19 Acceptance Certificate 20 Connection Certificate 20 Warranty Card 20 GENERAL DESCRIPTION The present technical specification is intended for technicians and engineers involved in design installation and setup of ventilation equipment automation systems The General Operation Guidelines see Page 18 are intended for end users Following the control unit operation and maintenance instructions is a prerequisite of its trouble free operation and long service life The automatic control system Fig 1 is designed for integrated management and control of ventilation and air conditioning systems The device is enclosed in a plastic casing The control unit casing contains automatic equipment circuitry of the as well as control and protective elements of the power components The regulating functionality is implemented by means of 8 programmable controller The control unit is suitable for indoor installation in 8 dust free dry envi
10. T and RIGHT buttons and then press Enter You can decrease or increase the value using LEFT or RIGHT buttons correspondingly The parameter value will flash To save the new value press Enter To leave the menu and cancel parameter changes press Esc The modifiable parameter values are framed ATTENTION The service settings of the controller are programmed at the factory Any modifications to these settings must be made by qualified experts using the Service Settings Menu password protected Changing other parameters does not require a service password The controller menu tree is described in Table 2 The Factory Setting column contains the factory parameters Menu Tree Factory Setting Purpose of Functions and Parameters Their Effect E Current Temperature Measurement Display Menu TE1 Fresh Air Temperature TE3 Return water temperature TE4 Air Temperature Downstream of Calorifier TE5 Supply air temperature E Hardware Status and Current Modes Menu PAW Heater Current Heater Power Output percent Pump Circulation Pump Activation Deactivation Activation Deactivation Heating Cooling System Operation Mode a Temperature Setting Menu Tret warmup 50 Return water temperature at the end of warm up in C If the return water temperature at the end of warm up is lower than the Tret warmup value the fan st
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12. alarm reset function on system re start from a remote control provided the elimination of the alarm cause REMOTE CONTROL The air supply and exhaust unit is equipped with a remote control enabling Switching the air handling unit on off Setting the necessary air flow rate Setting the desired supply air temperature Room temperature indication Day Night mode activation deactivation HEN IREI COOL HEAT EP ON button Heating Cooling mode switch Fan speed selector auto high med low Day Night mode Supply air temperature button temperature up Supply air temperature button temperature down Output temperature signal indicator Output temperature signal value Supply air temperature setting indication Temperature unit Day Night mode indication Selected fan speed indication Mode indication Heating or Cooling Room temperature indication ON NNN gt gt wo O The system is switched on or off using button 1 Fig 10 The air flow rate LOW MED HIGH or AUTO is cycled by pressing button 3 see Fig 10 while the current speed setting is shown on the remote control screen The Day Night mode is selected by pressing button 4 To switch the system from the Day mode to the Night mode press button 4 and hold it for 3 s The selected mode is shown on the remote control screen
13. am of the water coils or air cooler at all times to ensure proper regulation and prevent its freezing The sensor is intended for measuring the supply air temperature and therefore may not be installed indoors Heat exchanger freezing protection sensor TE3 measuring the return water temperature must be installed in the return water pipe in such a way so as to ensure its sufficient contact with the return water see Fig 3 The heating water circuit must ensure all the required functions specific to the hydronic coil heater control and safety in addition to maintaining the proper hot water temperature and flow or antifreeze filling to the proper level according to the specifications contained in the air handling equipment design documentation Heat exchanger freezing protection sensor TE4 measuring the return water temperature downstream of the hydronic water coil heater must be installed directly on the hydronic water coil heater surface on the hot air exhaust side see Fig 3 Counterflow Connection 8 Direct Flow Connection Thermal Converter e Thermal Converter TE4 VENTS PAW E Heat transfer medium connection to the hydronic water coil heater is shown on Fig 4 Mixing Unit Diagram 1 2 3 4 Se Ed 6 MZ Fy 1 Hydronic Coil Heat Exchanger 2 Shutoff Ball Valves 3 Circulation Pump 4 Flow Control Bypass Valve 5 Boiler 6 Three Way Motorized Valve 7 Check Valve 8 Coarse Filter
14. art is blocked and an emergency signal is generated see Alarms alarm Underheating Tret danger 15 The minimum return water temperature to identify the coil unit freezing danger in C If the return water temperature falls below the minimum threshold value in the Heating mode the water coil freezing protection is initiated see Alarms alarm Water Alarms Tswitch The ambient temperature in excess of which the ACS switches to Cooling mode System Malfunction Codes El The fan shuts down in case of an interruption or shorting in the ambient air temperature sensor circuit E2 The fan shuts down in case of an interruption or shortening in the circuit of exhaust air temperature sensor downstream of the thermal wheel 53 The fan shuts down in case of an interruption or shortening in the circuit of the return water temperature sensor E5 The fan shuts down in case of an interruption or shortening in the circuit of supply air temperature sensor U1 Alarm U1 water coils freezing danger is generated if the water temperature downstream of the water coils falls below the pre set critical value causing the fan to shut down U2 Alarm U2 low return water temperature downstream of the water heating coils is generated if the return water temperature downstream of the water heating coils falls below the pre set critical value In case of any of the alarms due to immi
15. cations are given in Table 1 PAO1W PAO2W PAO3W PA04W Supply Voltage V 50 Hz 1 230 Operating Voltage of Plugged in Electric Motor V 3 230 Motor Power Consumption max kW 0 75 1 1 1 5 2 2 Motor Current Consumption max 3 5 5 5 2 5 10 Dimensions mm Height 340 340 340 500 e Unit Dimensions Width 280 280 280 400 Depth 135 135 135 250 Not Weight kg Not more than 6 more than 11 Pabouaa Temnepatypa okpy aiouero Bo3AyXa C from 5 to 40 Permissible Relative Humidity 80 Protection class top lid closed IP65 IP54 SAFETY REQUIREMENTS Installation and operation of the automatic equipment shall be subject to the present User s Operation Manual Electrical Installations Code Regulations for Customer s Electric Installations Operation the current construction norms and regulations and the provisions of Fire Safety Regulations in Ukraine A ATTENTION The Automatic Control System is to be connected by duly qualified technicians with appropriate work permits Disconnect the automatic equipment from the power mains prior to any installation maintenance connection and repair work Ge RESTRICTIONS e Do not operate the Automatic Control System outside the permissible temperature range specified in the User s Operation Manual or in areas with aggressive admixtures in the air and in explosive environments HENT
16. dby the circulation pump activates on freezing danger detection irrespective of the ACS mode When freezing is no longer imminent and upon emergency reset the circulation pump reverts to the pre emergency state i e continues operation or goes on standby In either of the modes the circulation pump will not activate if the heat transfer medium pressure relay DD1 contacts are open The pressure relay protects the circulation pump against dry running If the water coil circuit is not equipped with pressure relay DD1 install a jumper wire on contacts 11 12 see Fig 11 and 14 15 see Fig 11 to enable the circulation pump operation Circulation pump protection may not be guaranteed without a pressure relay Compressor and Condenser Unit Operation To enable the CCU operation install the unit control panel see Fig 10 on the serviced premises To activate the cooling mode change the setting on the control panel using button 2 see Fig 10 as confirmed by symbol on the control panel screen The ACS switches to cooling automatically on ambient temperature exceeding 20 C In this mode the water valve is completely closed The air cooler compressor and condenser unit CCU is activated on room temperature exceeding the pre set value The CCU deactivates on room temperature reverting to the pre set value To prevent CCU overloading due to frequent activation deactivation there is 600 s interval between the CCU shutdown and subs
17. equent activation Min Act Time parameter set from the controller menu see Table 2 SAFETY PRECAUTIONS The control unit is not intended for operation in environments containing a high concentration of dust moisture explosive and aggressive admixtures etc If the automatic control system is supplied separately from ventilation equipment its installation must enable convenient access by maintenance personnel and easy connection of cables The mounting surface must be even The control unit installation must ensure sufficient space for preventive maintenance and service Prior to installation check the package for completeness against the bill of lading and make sure that the contents are intact Control unit installation While choosing the automatic control system installation site refer to the design documentation and technical regulations Check the installation site for control unit mounting and attachment readiness and ensure availability of piping and electrical wires at the intended control unit site as well as their proper marking according to the design documentation Install and secure the control unit and make sure it is properly grounded Install and secure the external sensors and instruments Connect the wires to the control unit terminal blocks in accordance with the external connections diagram see Fig 11 and 12 Control System Sensor Layout Supply air temperature sensor TE5 must be installed downstre
18. functions When the fan is on the ACS maintains the supply air temperature at the pre set level set from the control panel by actuating the water coil valve On fan shutdown the ACS shuts off the water coil valve and closes the supply and exhaust air valves VENTS PAW In the Heating mode the ACS additionally performs the following functions when the fan is on the ACS maintains the supply air temperature at the pre set level set from the control panel by actuating the water coil valve on fan activation command the ACS warms up the water coils for n minutes Warm up Time parameter set from the controller menu see Table 2 factory setting 180 s prior to the fan start by means of complete opening the water coil valve when the fan is off the ACS maintains the return water temperature downstream of the water coils at the pre set minimum level of 20 C In both Heating and Cooling modes ACS protects the water coils against freezing using the input data from the air duct thermostat sownstream of the water coils If freezing is imminent the control system automatically shuts down the fans closes the ambient supply air damper opens the water coil valve completely and activates the circulation pump Circulation Pump Operation In the ACS Heating or Cooling mode the circulation pump activates automatically while the fans are on or on water coil warm up initialization and deactivates on fan switching off While on stan
19. ign offers no special protection against the elements 7 in terms of mechanical stress resistance the control unit is rated vibration proof L3 The control unit is 7 susceptible to seismic activity 7 insensitive to static or alternating magnetic fields of power grid frequency at voltages up to 400 A m 7 resistant to admissible industrial radio interference H the characteristic properties are given with respect to electric insulation of the power circuits and insulation of circuits with different nominal voltages MANUFACTURER S WARRANTY Manufacturer hereby guarantees normal performance of the unit during two years from the date of retail sale provided compliance with transport storage mounting and operation regulations In case of no confirmation of the sales date the warranty period is calculated from the manufacturing date In case of failures in the unit operation during the warranty period the manufacturer will accept reclamations and complaints from the owner of the device only after receiving technically sound act with detailed description of the failure Unit damage as a result of unauthorized tampering with the circuit diagram is not a warranty case For warranty and post warranty services of the unit please contact the product manufacturer In case of warranty claim please submit the present user s manual with the seller s stamp filled connection certificate and warranty card Warranty repair services provided that the war
20. ndicator Buttons LEDs Indicator backlit LCD indicator The indicator displays the current system operation parameters temperature parameter settings and alarms Buttons the digital controller has 6 buttons with the following functions ESC to navigate one level up through the circular list tree see Controller Circular List Tree Menu or to cancel parameter editing Enter to navigate one level down through the circular list tree see Controller Circular List Tree Menu LEFT to navigate left through the function list to decrease the parameter being edited RIGHT to navigate right through the function list to increase the parameter being edited F1 to enter the controller menu F2 to enter the factory controller settings The main menu as displayed on the indicator screen contains the following icons Fig 9 1 Current temperature display menu 2 Temperature setting 3 Current system state 4 Service settings menu 5 Malfunction signal displayed when 8 malfunction occurs 6 Fan state display 7 Current supply air temperature display To call the necessary function Enter the controller menu by pressing F1 Use LEFT and RIGHT buttons to select the necessary parameter and press Enter To go back to the main function list keep pressing Esc until you return to the main function list To change 8 parameter value Select the necessary parameter using LEF
21. nent freezing the fan shuts down the water coil valve is set to 100 open and the circulation pump is started It should be noted that the fans cannot be started while any of the alarms due to imminent freezing is active The system can be restarted only when the water coil freezing danger is no longer imminent i e after the return water temperature TE3 for Alarm U2 and air temperature downstream of the water coils TE4 for Alarm U1 raises over the threshold value set to prevent the water coils against freezing Alarm U3 Underheating is generated if while in the Heating mode at the end of the water coils warm up cycle preceding 3 the fan start the return water temperature downstream of the water heating coils remains below the pre set value factory setting 50 0 This alarm will prevent the fans from starting Alarm U4 pump failure is generated if the water coils line pressure relay generates no signal on the air coils start command In case of this U4 alarm the water coil pump is disabled However this has no effect on the fan status i e if the pump fails the fan may continue operation if previously on P1 Supply fan failure causes fan shutdown P2 Exhaust fan failure causes fan shutdown 01 Emergency system shutdown on command from the fire alarm panel causes fan shutdown Alarm emergency shutdown while in the scheduled weekly timer TM mode This alarm is generated if the
22. p Heater gt Control Settings 60 PI integration constant in seconds gt Ti VENTS PAW Heater gt Control 0 5 Deadband Settings gt Deadband Heater gt Protection Heater Protection Settings Menu Settings Deeg Water coils warm up time in seconds During the warm up the water Setting 180 coil valve is set to 100 open while the Warm Up Alarm indicator 95 flashes Warm up Time Cooler Cooler Settings Menu Cooler gt E 600 minimum activation time MinTime On Fan Fan Settings Menu The pre set fan failure analysis time in seconds This is the timeout Fan gt Start 30 of the fan start command given for the corresponding fan frequency Timeout converter to respond whereas no response generates a supply or exhaust alarm see Alarms Pump Pump Settings Menu Pump h 20 The minimum time of the circulation pump operation in seconds MinOpTime This parameter enables circulation pump operation in the Cooling Pump gt i ek Coolin Enabled mode Two values are possible Disabled pump operation in the g Cooling mode is disabled Enabled the pump will activate with the Operation g water coils valve in the Cooling mode Any of the alarms listed in the table is signaled by the indicator and the alarm code shown on the screen The system alarm response is described in Table 2 The controller has the automatic
23. ranty card and the seller s stamp and the present user s manual and post warranty services are fulfilled at the manufacturing facility If returning the device under warranty please show this User s Operation Manual the duly filled in Connection Certificate and the Warranty Card Fulfill the requirements set in the user s manual to ensure proper functioning of the unit A WARRANTY CLAIMS ARE ACCEPTED WITH THIS USER S MANUAL AND FILLED CONNECTION CERTIFICATE ONLY A The MANUFACTURER is not responsible for any mechanical or physical damages resulting from the manual requirements violence the unit misuse or gross mechanical effect The unit owner must follow the applicable instructions PAW ACCEPTANCE CERTIFICATE The PA W air supply system control unit is compliant with the Electrical Installations Code PUE and is hereby declared ready for service Acceptance Inspector s Stamp Date of manufacture Sold by Name of trade company Date of sale ELECTRICAL CONNECTION CERTIFICATE This is to certify that the PA W has been connected to power mains pursuant to the requirements stated in the present user s manual by a qualified technician Company Name Date Signature WARRANTY CARD Id ER 88 PECH 888 EECH 88 mannna nm nm numas 888 TED DECH an sn e 88888 EECH DCD 8
24. respond to the maximum pressure drop value on a contaminated filter please refer to the ventilation equipment manufacturer s recommendations Wall Mounted Control Panel P1 To ensure correct control panel operation on the premises select a place where the temperature remains as stable as possible for the given area and which does not suffer from a temperature impact produced by heating radiators convective vertical temperature distribution etc see Fig 6 Electronic Control Unit The air supply and exhaust unit is equipped with an integrated electronic control unit see Fig 7 PA 01W PA 02W PA 03W PA 04W TRI KI x FI F2 TRI KI Zi Tepmoseodb aches i oo 4 2 ATV1 frequency transformer F1 fuse F1 fuse F2 fuse F2 fuse K1 electromagnetic CCU control relay K1 electromagnetic CCU control relay TR1 230VAC 24 VAC transformer TR1 230VAC 24 VAC transformer X1 terminal box for external leads Z1 digital microcontroller X1 terminal box for external leads Z1 digital controller HEN REI CONTROLLER FUNCTION SET 000000004 VENTS The digital controller is the principal control unit component Fig 8 The digital controller has the following controls and indicators I
25. ronment free from chemical contaminants The control unit casing meets IP65 standard units PA 01 W PA 02 and PA 03 W and IP54 standard unit PA 04 W with the top lid closed The permissible ambient temperature during operation is from 5 C to 40 C Control Unit PD1 pressure safety switch P1 remote control TET ambient temperature sensor TES supply air temperature sensor The electronic ACS automatic control and monitoring unit performs a number of functions in particular 1 Switching the unit electric motor on and off 2 Selecting the fan speed 3 settings 3 Air supply fan operation control and monitoring 4 Maintaining the supply air temperature at the pre set level by actuating the three way valve which adjusts the heat transfer medium delivery into the heating coils Be Protecting the hydronic coil heater against freezing using the input data from the downstream air temperature and return water temperature sensors 6 Monitoring and control over the operation of the circulation pump delivering the heat transfer agent to the heating coils VENTS PAW Ts Control of the air cooler compressor and condenser unit CCU using the pre set temperature 8 Filter contamination control 9 Control of of the external air damper electric actuator 10 System shutdown on command from the fire alarm panel TECHNICAL SPECIFICATIONS The main technical specifi
26. s 888 TED DECH an sn e 88888 EECH DCD 8 8888 PEET ERCE EECH 8 8 8 PED 888 8 PED 888888 DECH 8888 888888 88 PH DCH 88 88 88 88 San nn se DCH ECH D D D D 888 8 8 88888 888 PED DCH ECH 8 EERTE ERCEL omen 88888 88 DCH EECH 888 88 DCH DCH EECH 888888 DECH an sn e EECH un na na nm 2012 VENTES
27. ventilation system is manually shut down using STOP button on the control unit front panel during the scheduled fan operation F1 Filter Alarm This alarm is generated on closure of the pressure safety switch installed on the fresh air filter Service Settings Menu Settings Menu This menu contains the basic settings of the controller Any modifications to these settings must be made by qualified experts Failure to do so may cause controller malfunction or faulty operation Therefore the settings menu is password protected The password shall be only disclosed to service engineers responsible for the system to avoid unauthorized changes of the controller settings Settings menu password 2222 by default The password consists of 4 characters displayed in asterisks Use LEFT and RIGHT buttons to enter the first number of the password and then press ENTER Then use the LEFT and RIGHT buttons to enter the second digit followed by pressing ENTER then repeat for the remaining digits To re enter the previous password digit press RETURN On entering the 4th password digit if entered correctly the system will automatically switch to the settings menu The indicator screen will show Service Menu Heater Heater Settings Menu Heater gt This menu enables setting the water coils valve control pattern Control Settings Heater gt Control Settings 2 PI control proportion factor gt K
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