Danvent DV, Danvent TIME Air Handling Units
Contents
1. zm AE 9x SX e im zw a EE n 9 Ri 2 vu REI asa IDE w eg ls en we z i Bi a m ix x gt 812 z og 20107 are n felah eg 9 als Es ang kdg at z i ex e 9 gms 17 03899 ons INA T H0 N0 z al FAR ZX LOLX 2010151594 Em ik 002201 LX 141011 KUTNO 1m x HP Systemair 12 Menu for internal controller in the DVU section Menupoint Submenu Submenu Min Default Max Comments In nnn 0 HHH 100 Set point for capacity level Out nnn 0 HHH 100 Actual capacity level SETTINGS MENU UP Number of automatic resets of high pressure switch AUTORES off s within one hour before activation of alarm 3 0 3 3 POLARITY Polarity of BMS set to Normally Open NC NC or Normally Closed HOTGAS MENU UP HGDuty TIME NNm 10 60 120 MENU UP LIMITER MENU UP2. 33 9 1 Checklist relevant values isnende eee ever esee s mms en ds dun ee sise eee VER suu Ee uer RE 33 93 1 Checklist prior ier deret 33 9 1 2 SWitch on DOWOE eed dee rr EROR ete ERA MAN EAE NEN eh 33 9 1 3 Enter relevant values in the controller eene E rente nnne nnns 33 A Systemair Heg uviTn oo 33 11 DVU WIRING DIAGRAM FOR INTERNAL CONTROLLER IN THE SECTION 34 12 MENU FOR INTERNAL CONTROLLER IN THE SECTION mens 35 A Systemair 1 Manufacturer 1 1 Manufacturer supplier data This User Manual covers all air handling units delivered by Systemair A S Manufacturer and supplier data Systemair A S Ved Milep len 7 DK 8361 Hasselager Responsible Ulf Bang 1 2 Name of machines This manual is about Systemair air handling units called Danvent DV Units and Danvent TIME Units HP Systemair 2 Declaration of Conformity Declaration of Conformity The manufacturer e Systemair A S PA Systema Milep len 7 8361 Hasselager hereby declares that air handling units of the flowing types DANVENT DV delivered without control systems DANVENT DV delivered with control systems TIME are manufactured and delivered in accordance with following directives Machinery directive 2006 42 EC EMC directive 2004 108 EC Low voltag
3. P H1 Minimum H2 500 Pa 100 mm 40mm 750 Pa 150 mm 55 mm 1 000 Pa 190 mm 70 mm 2 30 A Systemair 7 7 Draining condensate water from cooling battery If the cooling battery and the drip tray are placed in the unit where negative pressure under pressure occurs the closing level of the water trap must be estimated correctly See the above mentioned information in section 7 6 Draining condensate water from the plate heat exchanger If the cooling battery and the drip tray are placed in the unit where positive pressure over pressure occurs the closing level of the water trap must be estimated correctly as shown on the illustration A water trap is optional and installation of the water trap is not included Positive pressure P Pa P H1 Minimum H2 500 Pa 90 mm 65 mm 750 Pa 120 mm 90 mm 1 000 Pa 150mm 120mm 2 8 Accompanying documents 8 1 Print outs on paper The documents listed below are always printed on paper and delivered together with the units according to the Machinery Directive and the related national laws 8 1 1 DV unit without switchboard Printed documents e Transport og Installation Manual e User Manual Noise calculated values 8 1 2 TIME and DV units with switchboard control system Printed documents Transport and Installation Manual User Manual Noise calculated values e Wiring diagrams Operator s guide Test rep
4. The data plate for the cooling unit is mounted inside the unit section DVU behind one of the doors An example of the data plate is shown below DVU 40 Refrigerant 407C 10 0 kg Compressor Danfoss VTZ171 Supply voltage 3 400V N PE Running load ampere 32A Main circuit breaker 35A Short circuit level min 1 0 kA Short circuit level max 7 3 kA Max working pressure 26 bar Testing pressure 32 bar 19 A Systemair 4 Intended use noise and vibration 4 1 Intended use and range of applications The air handling units are intended for the transport and treatment of air between 40 and 60 The units are exclusively for comfort ventilation and not for air that causes severe corrosion to galvanized steel and to copper and aluminum 4 2 Unintended use and misuse inappropriate applications for the machine The air handling units are not suitable for transport of air with risk of explosion and with Ex Classification Do not install the units in Ex areas at all Do not install units outdoors unless the units are constructed for outdoor installation Units not suitable for outdoor installation are units without roof and units with switchboard installed on the on the unit the switchboard is installed inside the unit for outdoor installation 4 3 Air handling unit in operation The pressure difference between interior and exterior of the unit must not exceed 2000 Pa for the DV 10 and up to DV 150 including DV
5. and 70 C At the factory supply is set at 70 C and extract is set at 40 C The controller is as standard configured to stop the fans and close the dampers if the thermostats are released Release of the smoke detector supports the same function as created by release of the fire thermostats On the site skilled technicians are able to change the configuration 6 4 7 4 Smoke detector in the extract air The unit is delivered with one smoke detector installed in the section with the extract air fan At the factory the controller is as standard configured for the contacts in the activation devices to be normally closed when no fire is detected and to stop the fans and close the dampers when the function is activated the contacts are opened On the site skilled technicians are able to change the configuration 6 4 8 Communication with BMS systems The controller is available in 3 different versions One version is prepared for communication with a BMS system via MODBUS another version is prepared for EXO4 communication via TCP IP a third version is prepared for LON communication Special set up of the controller for communication with the BMS system is not included in the delivery from Systemair 6 4 9 E tool programme The installer can download the PC software called E tool from www regin se and this software enables the installer to configure and supervise the function of the system via a graphic interface This software displays all t
6. 29 7 3 Possibility of extracting components from the unit cccceccccecceccccccecssssssssceessessceecececcceccceessssssssceeeseeeeees 29 7 4 Pipe CONNECTIONS batteries lt c 505 cecesescececscencsccccscoccseccedescsesescecevecconsdececeosesesessevedsentsececcdsccesecdsseasecerecsscses 29 TAL Heating COIS iir ER naii 29 7 1 2 COON COINS iced 29 7 4 3 Rigid bearings for valves circulation pumps and pipe system 29 7 5 Draining condensate Water essnee seeker ooo ee eoa eene noe eaae be ea danses anse vorab essa 30 7 6 Draining condensate water from plate heat 30 7 7 Draining condensate water from cooling battery 31 8 ACCOMPANYING DOCUMENTS irre a ERE Ee nva n on ERBEN nna nao EL raa 31 8 1 Print outs ori papBr opea sese uv sae e tete Coen e sae a airs 31 8 1 1 DV unit without switchboard stainless laine Fee E egestas 31 8 1 2 TIME and DV units with switchboard control system 31 8 1 3 DV units with switchboard and control components without controller 32 8 2 Electronicimedi ie tee ke gba teste 32 9 START UP ec
7. Medium 60 Hz 8 9 2 3 12 4 3 4 18 5 4 3 27 5 7 1 29 6 7 1 39 7 9 4 3 8 3 7 4 4 3 9 4 2 4 2 Maximum 90 Hz 11 1 3 7 15 7 5 4 23 3 6 9 33 8 11 1 36 7 11 3 47 3 13 2 3 0 2 9 3 4 3 0 3 2 3 6 85 Hz The minimum capacity is selected at the frequency converter output at 35 Hz the compressor in the DVU 20 25 30 and 40 can reduce the capacity further to even lower revolutions at 30 Hz At the lowest revolutions the hotgas valve opens to reduce the capacity further the lowest cooling capacity equals 10 96 of the capacity at 90 Hz If the temperature and humidity conditions on the site deviate from the above mentioned conditions accurate values can be calculated in the design programme SystemairCAD Systemair is ready to provide you with a print out if a copy of calculation of the specific unit in the SystemairCAD is not available 3 2 8 20 Power consumption for the fans The unit section DVU is one of several sections in the air handling unit and the supply air fan for the evaporator as well as the exhaust air fan for the condenser heat recovery and heating coil are installed in other sections The energy performance for the complete unit including the consumption of the fans is always calculated in the design programme SystemairCAD Systemair is ready to provide you with a print out if a copy of the calculation of the specific unit in the SystemairCAD is not available 3 2 8 21 Data plate
8. The Systemair Control Panel with 10 meters of cable is not connected to the controller in the switchboard All external components delivered are packed in cardboard box delivered together with the unit 3 2 8 DVU section cooling unit The air handling unit section DVU is a separate section in the air handling unit and the section contains a complete stand alone cooling compressor system The system has been started adjusted and optimized before the delivery The refrigerant is evaporated directly in the cooling coil and the cooling capacity is regulated automatically and steplessly between 10 and 100 The system is delivered with the HFC refrigerant R 407C in the circuit Internally in the section a DVU internal controller LMC251 and complete control system take care of all safety functions as well as the frequency converter regulated compressor that creates exactly the cooling capacity ordered by the main air handling unit controller via the very common 0 10 DC signal When the demand for cooling occurs in the room the main air handling unit controller sends a start signal and a signal exceeding 0 volt to the cooling compressor system When the signal exceeds 1 5 volt the cooling compressor starts After start up the capacity is regulated between 10 and 35 by the hotgas valve HGV in the illustration below in on off in sequences with the cooling compressor at the lowest number of revolutions When more than 35 of the cooling c
9. unit Potential components for extraction are filters fans and rotary heat exchanger 7 4 Pipe connections to batteries 7 4 1 Heating coils Pipes for hot water must be protected by insulation against frost and loss of heat Further protection against frost can be obtained by installing electrical heating wires around the pipes and under the insulation combined with temperature sensors and a control system Pipes insulation electrical heating wires control system for heating wires and circulation pump are not delivered by Systemair 7 4 2 Cooling coils Pipes for cooling must be protected by insulation against condensation on the pipes and loss of cooling in the summer Pipes and insulation are not delivered by Systemair 7 4 3 Rigid bearings for valves circulation pumps and pipe system The coil and pipes from the coil are not constructed to withstand the weight and stress from valves circulation pumps long pipes and insulation of pipes The system must be supported carefully in rigid bearings to roof floor and walls 7 4 3 1 Pipe connection to heating coils The heating capacity of the coil with only 2 rows is independent of the connection of the hot water in equal flow or in counter flow to the direction of the air but connection of the hot water to the pipe marked for inlet and the return water to the pipe marked for outlet is very important to ensure that the sensor for transmission of the water temperature really will be placed in
10. 24 A Systemair 6 4 3 Valve and valve motor for heating coil The supply voltage for the water valve actuator is 24V AC the control signal is 0 10 V The sensor for water temperature has to be installed in the heating coil and the sensor is provided with cable but not connected to the terminals in the switchboard The cable between valve motor and terminals in the switchboard is not delivered by Systemair Standard valves are available for 2 or 3 way connection Valves from Frese are only available for 2 way connection The valves from Frese are intelligent control valves with integrated differential pressure control adjusting the valve automatically to avoid exceeding preset maximum flow 6 4 4 Valve and valve motor for cooling coil The supply voltage for the water valve actuator is 24V AC the control signal is 0 10 V Cables between valve motor and terminals in the switchboard are not delivered by Systemair Standard valves are available for 2 or 3 way connection 6 4 5 DX cooling A DX cooler can be connected to the controller Input and output are available for Start cooling Alarm cooling Cooling Y3 Cables are not delivered by Systemair 6 4 6 Circulation pump heating Circulation pump is not included in the delivery from Systemair If the pump has not been activated for 24 hours the pump is exercised once daily for 1 minute to keep the pump in a good condition Cables are not delivered by Systemair 6 4 7 Fire protection fun
11. DeltaMax 9e s 0 1 0 5 10 Max increase og cooling capacity in per sec MENU UP MENU UP SERVICE MENU UP LMC 251 Ver 1 05 Software Version MANUAL MENU UP FC OFF OFF OFF ON Manuel operation of frequency converter HOTGAS OFF OFF OFF ON Manuel operation of Hot Gas valve LIQUID V OFF OFF OFF ON Manual operation of LIQUID valve CPR HEAT OFF OFF OFF ON Manual operation of COMPRESSOR HEAT CTS OFF OFF OFF ON Manual operation of BMS switch MENU UP RUNTIME MENU UP COMPRESS nnnnnnnh 0 H 1E 07 Compressor running time HOTGAS nnnnnnn 0 1 07 Hot Gas valve activation MENU UP MENU UP Alarm MENU UP ALARM Alarm Alarm name and number AlarmLog MENU UP AL 1 List over the last 15 alarms Alarm AL 2 Alarm MENU UP MENU UP MENU UP 35 Systemair A S Milep len 7 8361 Hasselager Ig Systemair 36
12. PN Systemair Danvent DV Danvent TIME Air Handling Units H MM 4 Emu ipt vu Mus 3 SE User Manual I Systemair oystemair Introduction Detailed table of contents on the following pages 1 Manufacturer Declaration of conformity Description of the air handling units Intended use noise and vibration Protection and safety measures Electrical connection Plumbing Accompanying documents Start up 10 Commissioning 11 DVU Wiring diagram for internal controller 12 Menu for internal controller in the DVU Le oystemair Contents 1 8 1 1 Manu facturer supplier data 8 1 2 Name of machines or E aS 8 2 DECLARATION OF CONFORMITY mens 9 3 DESCRIPTION OF THE AIR HANDLING UNITS 8 MODELS rmrmeemennenennennenennennenennenennennennnnennenennennene 10 3 1 Common for all air handling unit 5 sens essensen toten sees ses ss een see 10 3 2 Specific data about each model of the air handling unit 8 models 10 3 2 1 DV unit without switchboard control system iii 10 3 2 2 TIMEunit inidoor model seine debo ey 10 3 2 3 TIME unit outdoor model 11 3 2 4 DV unit with switchboard control syste
13. coil and circulation pump Are the pressure transmitters installed and connected correctly If this is a system with pressure transmitters in the ducts Main power supply Connected correctly 3x400 V Zero Ground Ducts are all ducts installed Test of supply voltage for actuators and control signal Are control signals for actuators connected correctly 9 1 2 Switch on power Do not start until all safety procedures have been completed and ensure that inspection doors are closed and locked Switch on power and the unit should be ready for the start up 9 1 3 Enter relevant values in the controller Units with control system are controlled from the Systemair Control Panel Enter the relevant values in controller 10 Commissioning A Word file with a Commissioning Protocol is included on the CD delivered with the unit 33 in the DVU section 11 DVU wiring diagram for internal controller 34 6002 80 5l 5 1548845 10401 1040201 20092014 39400 nA lt af 04g 1 1Y3H8d xog apis4nn IZL ZLA uo AUD 49121939 LOLX DANS LA 3 4 p E m JT IA
14. directive 26 A Systemair 6 4 12 Pressure transmitters Separate control of the air flow or duct pressure for supply fan and for extract fan The required air flow or duct pressures with normal as well as reduced capacity are selected on the Systemair Control Panel 6 4 12 1 Air flow capacity The actual increase of pressure is measured over each fan by a pressure transmitter and is calculated by the controller to air flow in m h 6 4 12 2 Constant pressure in the ducts The actual pressure is measured in the supply air duct by a pressure transmitter and in the extract air duct by another pressure transmitter PI calculation in the controller continuously transmits the necessary revolutions for the 2 fans to the 2 frequency converters to achieve the required pressure 6 4 13 Switchboard 6 4 13 1 Integrated switchboard Switchboard is integrated in the unit behind an inspection door Terminals are installed in the switchboard for all external components The number of terminals is always adapted to the individual order 6 4 13 2 Switchboard on the unit The models with the switchboard on the unit are exclusively for indoor installation Terminals are installed in the switchboard for all external components The number of terminals is always adapted to the individual order 6 4 14 Temperature sensors Three sensors are always delivered with each unit See below where the sensors are placed e 1 sensor in the extract air installed
15. handling unit controller e Out nnn shows the capacity ordered by this internal controller LMC251 of the compressor 3 2 8 8 Settings About basic settings in the submenus in the LMC251 3 2 8 9 Automatic resets of the high pressure switch This is about the maximum number of automatic resets of the high pressure switch that are acceptable within one hour If this number is exceeded the unit will be shut down until the high pressure switch has been reset manually 3 2 8 10 Polarity The Alarm polarity can be set to Normally Open or Normally Closed 16 e Systemair 3 2 8 11 Hotgas setting of period This is the number of seconds that the hotgas valve is open The period is relatively long but the supply temperature is not oscillating at all and the stability of the supply temperature is sufficient The number of seconds is a factory setting that should not be reduced Reduction of the number of seconds will not improve the stability of the temperature to a degree that can be proven by measurements If the number of seconds is reduced the number of times that the valve is opened and closed will be increased maybe considerably and the valve could be worn out prematurely 3 2 8 12 Limiter DeltaMax is the maximum acceptable change in second of the actual cooling capacity 3 2 8 13 Service In this menu information about the software version in the controller as well as 2 submenus Manual operatio
16. inside the unit 1 5 5 the outdoor air installed inside the unit before the supply air filter on the cold side of the heat exchanger e 1 sensor in the supply air to be placed in the supply air duct by the installer 6 4 15 Damper motors Two different types of damper motors are available On off damper motor not modulating without spring function Torque is 20 Nm and run time is 150 seconds e Spring return damper motor modulating with spring function Torque is 15 Nm and run time is 150 16 seconds 6 4 16 Filter guards Filter guard over prefilter and primary filter installed and connected to the controller for display of alarm when the mechanically set limit is exceeded Filter alarm will be displayed on the Systemair Control Panel 6 4 17 Room temperature sensors One or two external room temperature sensors are available The switchboard has been prepared with additional terminals for connection of the room temperature sensors The sensors are delivered without cable The controller calculates an average of the value from the 2 sensors as input for the control 27 A Systemair 6 4 18 Frost protection For the frost protection of the heating coil the water temperature in the coil is transmitted to the controller by a temperature sensor in a water return circuit of the coil The controller always generates a signal to the valve motor that keeps a sufficient flow of hot water to protect the coil against frost This frost p
17. motors Temperature sensors e Pressure transmitters e Valves and valve motors e Fire thermostats e Smoke detectors e CO2 sensors e Lamps e Supply disconnecting devices All electrical connections are installed between terminals in the switchboard and components in the unit The components are not tested at the factory and the frequency converters are not configured with the correct data Only components listed in the custome s order and confirmed by the order confirmation are delivered with the unit 13 I A Systemair Mains power supply must be installed directly in the marked circuit breakers for fan motor frequency converters and DVU section with cooling compressor All external components must be connected on the site 3 2 7 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard
18. resistant gloves for protection against injury from sharp metal plate edges Use CE marked gloves for this purpose 22 A Systemair Helmet e Particulate respirator maintenance free including foam face seal and adjustable pre threaded headbands for replacing filters e Padlock for locking the supply disconnecting device in the off position 6 Electrical installation 6 1 Description The components are mounted as well as possible in all models of the air handling units All models are listed in section 3 All available electric components standard as well as optional are listed in section 6 4 See the order confirmation with exact information about components delivered for each specific order 6 2 Wiring diagrams Wiring diagrams cable plans and terminal plans are delivered in a separate document with the unit List of contents in the separate document General description 1 9 Circuit diagram 10 24 Cabinet layout 25 29 Graphical list Product list 30 49 Cable core list 40 49 Spare part list 50 59 Terminal matrix 60 69 Cable plan 70 79 Terminal plan 80 89 6 2 1 Wiring diagrams for Time units TIME wiring diagrams are general wiring diagrams The diagrams show both standard and optional components Optional components are marked with 0 6 2 2 Wiring diagrams for DV units with switchboard control system DV units with switchboard control system are designed according to each individual order
19. tr Bd n a miae imi 21 4 6 Use operation of the machine 21 e Systemair 4 7 Prohibited use of the machine ade s a sseni e eaae sean eaae sasae 21 4 8 Noise and vibration eiie steer rere Vd ead leas 21 5 PROTECTION AND SAFETY MEASURES sms 22 5 1 Protection measures and additional protection measures eceee ee eeeeeeeeeee esee eee nennen nennen nnne nnn 22 5 2 Necessary protection measures prior to start up seeeeeeee eee nenne eene eene eene eene nsns nsns asus sees sees sens ses enun 22 5 2 1 Design of protectionimeasures ie nere repr egeo nine e Ree e eee 22 5 2 2 Configuration of frequency converters with inspection doors closed 22 5 3 Safe adjustment and maintenance Lecce eee eee eee eee esee eese e eene nune sees esses sanas sss sas EST sott tette sees REED 22 5 4 Safety precautions during adjustment and 22 5 5 Personal protective equipment for maintenance staff health and 22 6 ELECTRICAL INSTALLAT ION entren tinte in urna REDE aca eb Yen S ERBEN PRENNE 23 6 1 DescriptiOr 5 5 13 aos ooi cc e pre eS eere a n
20. 150 and 1500 Pa for DV 190 and DV 240 Before start up of the unit all ducts guards and all protective devices must be mounted to prevent any access to rotating fan impellers All inspection doors must be closed and locked when the unit is in operation 4 4 Maintenance repair dismantling and disposal Procedures for maintenance repair dismantling and disposal are described in the Maintenance Dismantling and Disposal Manual but the most essential health and safety measures are described in this section 4 4 1 Protective measures To protect persons against injuries the units are provided with fan guards and the fan guards are the inspection doors The guard measures are described further in section 5 Protection and safety measures Before maintenance and repair the unit must be switched off by the supply disconnecting device and this must be locked with a padlock 4 4 2 Sharp edges The unit contains of metal plates with several sharp edges To avoid injury during maintenance and repair CE marked cut resistant gloves as well as helmet must be used The measures are described further in the Maintenance Dismantling and Disposal Manual 4 4 3 Filters Use particulate respirator when filters are replaced The measures are described further in the Maintenance Dismantling and Disposal Manual 4 5 Disposal measures The disposal measures are described further in the Maintenance Dismantling and Disposal Manual Essential heal
21. Terminal 27 digital input free running inverted the value must be changed from 2 to 0 17 IA Systemair Especially for compressor VTZ 121 in DVU 25 and DVU 30 In addition to the above mentioned modifications the modifications below are necessary for the compressor VTZ 121 in DVU 25 and DVU 30 Value in menu item 1 90 changed to 2 Value in menu item 1 93 Terminal 54 changed to 2 Usually the Danfoss frequency converter keeps the change to the standard factory setting stored for ever but if the software has been turned back to the original factory setting for some reason the above mentioned modifications must be carried If the modifications are not carried out correctly the compressor will not be switched on at all 3 2 8 18 Maintenance General maintenance must be carried out according to national and local regulations by a skilled technician from a certified company List of spare parts as well as datasheets from the manufacturers are available on the CD delivered with the unit Air volume cooling capacity refrigerant content DVU 10 DVU 15 DVU 20 DVU 25 DVU 30 DVU 40 Width in mm 970 1120 1270 1420 1570 1720 Height in mm 970 1120 1270 1420 1570 1720 Length in mm 970 1120 1120 1270 1270 1270 Weight in kg 190 240 280 375 400 475 Power supply N PE 3x400V 3x400V 3x400V 3x400V 3x400V 3x400V N PE N PE N PE N PE N PE N PE 10A 16A 20A 25A 25A 32A Nomi
22. The wiring diagrams are individual for each unit showing only delivered components but no rule without exception a few external components that are not delivered may be shown in a few diagrams 6 2 3 Wiring diagram for DV units with switchboard and control components but without the intelligent controller DV units with switchboard and control components but without the intelligent controller are designed according to each individual order and the lists of components describe the exact components delivered with each individual unit The list of components includes a terminal plan showing how the components are installed 23 A Systemair 6 3 Installation of mains power supply An AC DC residual current device must be installed in the power supply The power supply for the units is 3 400 V PE 50 Hz Protection of the units in accordance with the local statutory requirements for the additional protection of systems with frequency converters 6 3 1 Necessary mains power supply for TIME units Unit Motor Fuse Fuse Maximum Minimum Maximum Short circuit current TIME 10 2 1 1kW 10A 50A 16kA 2 1 5 kW TIME 15 2 1 5 kW 10A 50A 16kA 2 2 2 kW 16A TIME 20 2 2 2 kW 16A 50A 16kA 2 3 0 kW TIME 25 2 3 00 kW 16A 50A 16kA 2 4 00 kW 25A TIME 30 2 4 00 kW 25A 50A 16kA 2 5 5 kW TIME 40 2 5 5 kW 25A 50A 16kA 2 7 5 kW 32A 6 3 2 Necessary mains power supply for DV units with switchboard control sys
23. a return circuit of the coil Screw joint for the water temperature sensor is welded in the main collection pipe for return water For the frost protection of heating coil the water temperature in the coil is transmitted to the controller The controller always generates a signal to the valve motor that keeps a sufficient flow of hot water to protect the coil against frost This frost protection is also activated when the running mode is off Coils with 3 rows or more must always be connected in counter flow to the airflow 29 HP Systemair NOTE If glycol is added the glycol must be without additives and auto glycol must not be used Automatic bleeding has to be installed at the highest point of the 2 pipes supply or return pipe 7 4 3 2 Pipe connection to cooling coils for chilled water Coils with 3 rows or more must always be connected in counter flow to the airflow NOTE The glycol must be without additives and auto glycol must not be used Automatic bleeding has to be installed at the highest point of the 2 pipes supply or return pipe 7 4 3 3 Valve motor and valve for heating The valve and valve motor are stored in a carton box placed on the unit if the unit was ordered with valve and valve motor The valve and valve motor are not installed 2 way or 3 way valve is available 7 4 3 4 Valve motor and valve for cooling The valve and valve motor are stored in a carton box placed on the unit if the unit was ordered with va
24. ahe ska eire nodos boe Pa RT esas 23 6 2 Wiring diagrams oii eos sito e ce rore ee rep hab aane ooo e ee Sean Do s Ree is n 23 6 2 1 Wiring diagrams etae a en net el at ant 23 6 2 2 Wiring diagrams for DV units with switchboard control system 23 6 2 3 Wiring diagram for DV units with switchboard and control components but without the intelligent controller ein I ere rrr rr TAI RE 23 6 3 Installation of mains power supply eese ee eene eene eee eee nn nnn piane enion aianei 24 6 3 1 Necessary mains power supply for TIME units ire 24 6 3 2 Necessary mains power supply for DV units with switchboard control system 24 6 4 Electrical connection of components and functions eeeeeee esses eee eene ee eene sens sees toten ttn e eene n nuu 24 GA I Repeater Arte ee etat eee CURE dde ege Pe e RENESTE ie 6 4 2 Extended operation 6 4 3 Valve and valve motor for heating coil ins 25 6 4 4 Valve and valve motor for cooling coil iii 25 o Supp deor 25 6 4 6 Circulation PUMP HEATING oreet eet re reper eroe eds 25 64 7 Fire protectiorn fun ctionis d crei ERO nO GR EUER RE EU ERU GER ERRRIE RO Go GRO TEIG 25 6 4 8 Communication with BMS systelmis oir inre ei b a ER due ue d au evan Hoe dede e se 26 6 4 9 E too
25. apacity is demanded signal exceeds more than 3 5 volt the hotgas valve closes the cooling capacity is regulated by the frequency converter FC in the illustration below to the strictly necessary revolutions of the compressor By declining demand with the compressor at the lowest revolutions the hotgas valve is regulated on off in sequences when the demand is less than 34 The cooling compressor stops when the demand is less than 10 To avoid that the compressor stops because the high pressure switch Hp in the illustration below cuts off an automatic capacity reduction system is installed The capacity reduction system consists of a pressure transducer P in the illustration below installed in the high pressure pipe between the compressor and the condenser and software in the DVU internal controller that reduces the revolutions of the compressor to avoid that the pressure after the compressor develops to the cut off pressure of the high pressure switch the system does not stop it will always remain cooling to some extent Air volume capacities for supply fan and for exhaust fan are not regulated by the built in controller LMC251 for the cooling system but by the main air handling unit controller The technician from a certified installer of cooling units must agree with the installer of the ventilation system and the main air handling unit controller that the air volumes for the system are not going to exceed the maximum or to be lo
26. board is always placed at the warm side of the heat exchanger The intelligent controller Systemair E28 is mounted in the switchboard and all electrical connections between switchboard and components in the unit are installed The control system is configured according to the customer order confirmed by the order confirmation to promote easy start up on the site The unit is tested at the factory and all functions are confirmed by a final functional test and test report The unit is delivered as one assembled section on base frame All external components must be connected on the site 3 2 3 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard The Systemair Control Panel with 10 meters of cable is not connected to the controller in the switchboard All external components delivered are packed in a
27. cardboard box delivered together with the unit 3 2 4 DV unit with switchboard control system delivered in several sections This model of the DV unit has an integrated control system and depending on the size of the unit the switchboard is installed on the unit or on the front of the unit The intelligent controller Systemair E28 is mounted in the switchboard and all electrical connections between switchboard and components in the unit are installed The control system is configured according to the customer s order confirmed by the order confirmation to promote easy start up on the site The unit is tested at the factory and all functions are confirmed by a final functional test and test report After the final test the unit is divided in sections to facilitate the transport After reassembly of the unit on the site the clearly marked cables with sockets must be reconnected in the marked switchboard terminals Cable strips are preinstalled in glue plinths for installation of the cables between the components in the unit sections and the switchboard Cables installed on the unit sections in the pre installed strips in glue plinths are protected by metal covers The covers have been removed before installation of the cables and must be replaced after installation of the cables Mains power supply must be installed directly in the marked circuit breakers for fan motor frequency converters and DVU section with cooling compressor All externa
28. ction 6 4 7 1 External fire signal The unit is delivered without any fire detectors when the unit is required for activation of the fire function by external fire signal from smoke detectors or similar devices Such detectors are not supplied by Systemair At the factory the controller is as standard configured for the contacts in the activation devices to be normally closed when no fire is detected and to stop the fans and close the dampers when the function is activated contacts are opened On the site skilled technicians are able to change the configuration 6 4 7 2 Two fire thermostats The unit is delivered with two thermostats that are installed in the unit one in the extract air and one in the supply air The cut off temperature in the thermostats is adjustable between 40 and 70 At the factory supply is set at 70 C and extract is set at 40 C The controller is as standard configured to stop the fans and close the dampers if the thermostats are released On the site skilled technicians are able to change the configuration 6 4 7 3 Two fire thermostats one smoke detector in the extract air The unit is delivered with two thermostats and one smoke detector that are installed in the unit One thermostat installed in the extract air and one thermostat in the supply air The smoke detector is installed in the section with the extract air fan The cut off temperature in the thermostats is adjustable between 40 25 A Systemair
29. d after installation of the cables Mains power supply must be installed directly in the marked circuit breakers for fan motor frequency converters and DVU section with cooling compressor All external components must be connected on the site 3 2 6 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard The Systemair Control Panel with 10 meters of cable is not connected to the controller in the switchboard All external components delivered are packed in a cardboard box delivered together with the unit 3 2 7 DV unit with switchboard and control components without controller delivered as one section on base frame This model of the DV unit has control components and the switchboard installed on the unit or inside the unit The installed control components could be e Frequency converter Damper
30. d with a lock When the outer handle with the lock is turned 90 to lock the door the handle will always be blocked automatically in the locked position by an internal invisible spring activated lock pawl It is only possible to turn the locked handle to an open position when the lock pawl is released with a special tool Note The special tool is necessary to release at least one outer handle on every single door on the unit 5 2 2 Configuration of frequency converters with inspection doors closed A frequency converter is mounted beside the fan in some units If the configuration of frequency is carried out with the fan in operation the inspection door must be closed for safety reasons and a long cable must be installed between the frequency converter inside the unit and the control panel outside the unit 5 3 Safe adjustment and maintenance Before maintenance and repair the unit must be switched off by the supply disconnecting device and this must be locked with a pad lock Use cut resistant gloves for protection against injury from sharp metal plate edges Use CE marked gloves for this purpose Use helmet during maintenance work in the unit 5 4 Safety precautions during adjustment and maintenance The measures are described further in the Maintenance Dismantling and Disposal Manual 5 5 Personal protective equipment for maintenance staff health and safety Use the below mentioned personal protective equipment for maintenance Cut
31. data for other conditions are available in the Systemair CAD software by Systemair 21 A Systemair 5 Protection and safety measures 5 1 Protection measures and additional protection measures The units are provided with guards to avoid unintended hazards and injury because of rotating parts in the unit The potential sources of harm are the fans with fast rotating impellers Hazards from the impellers are obvious during operation but when power is cut off the impellers are still potential hazards due to after run for at least 20 seconds The fan guard s are the inspection doors and the doors are provided with locks Other motor driven parts are dampers with damper motors and rotary heat exchangers but the movement is so slow that guard measures are not necessary Just keep your hands away from places with risk of injury Further details are available in the Maintenance Dismantling and Disposal Manual Use particulate respirator when filters are replaced The measures are described further in the Maintenance Dismantling and Disposal Manual 5 2 Necessary protection measures prior to start up Ensure that all protection measures are installed correct before start up 5 2 1 Design of protection measures The protection is the inspection doors Each door is provided with at least 2 outer handles each handle drives a pawl that keeps the door shut Each outer handle is mounted on the door and at least one handle on every door is provide
32. e directive 2006 95 EC Pressure equipment directive 97 23 EC The declaration is only valid if the installation of the air handling unit is carried out according to the instructions delivered with the unit The installer will be responsible for the CE declaration and documentation if any construction or functional changes are applied to the air handling unit Hasselager 5 May 2010 HP Systemair 3 Description of the air handling units 8 models 3 1 Common for all air handling unit models All Danvent DV and TIME air handling units are manufactured in compliance with the EC Declaration of Conformity and they are CE marked as machines If the buyer carries out changes or adds components in or on the machine the buyer must issue a new EC Declaration of Conformity and a new CE marking of the machine The buyer must issue a new EC Declaration of Conformity and a new CE marking of the machine when a unit is delivered without control system and the control system is installed in the unit on the site To promote correct use of the machines the below mentioned instructions are an integral part of the machine e Transport and Installation Manual printed on paper and delivered with the unit e User Manual printed on paper and delivered with the unit e Transport and Installation Manual User Manual Operator s Guide Commissioning protocol Maintenance Dismantling and Disposal Manual Data sheets about components in the control system all o
33. he parameters to be written in a commissioning report the commissioning report is available as a Word file on the CD delivered with the unit The terminals 50 52 B A N in the Corrigo E28 controller are prepared for communication with the E tool software 6 4 10 Electrical heater battery 6 4 10 1 With modulating controller Electrical heater installed with separate controller beside the heater This separate controller regulates the capacity in 1 2 3 4 5 or 6 steps with modulation of the capacity between the activated steps The separate controller is designed for capacity conversion of the 0 10 V control signal from the main control system 6 4 10 2 Prepared for modulating controller Electrical heater installed without separate controller for regulation of the capacity A 0 10 V control signal is available from the main control system 6 4 11 Frequency converter Fan motor revolutions are controlled by frequency converters and they are configured and tested to comply with the data for the unit The frequency converter for each fan motor is installed inside the unit beside the fan motor with cables between motor and converter In units with complete control system the frequency converters are delivered with system parameters adapted to the motors and the project In units without control system the frequency converters are delivered without system parameters adapted to the motors and the project Installation must be according to the EMC
34. he potentiometer is the only tool for the selection of menus and for changing parameters in the DVU internal controller The potentiometer is at the right side of the display The potentiometer has 3 functions 1 Turn clockwise Go to the next menu item or increase parameter value 2 Turn anticlockwise Go to the previous menu item or decrease parameter value 3 Press Select menu start change of parameter or acknowledge and store new value 3 2 8 4 Selection of menu Turn the knob to change menu When an arrow is shown to the right at the bottom of the display the menu has a submenu The submenu is activated by pressing the knob once If the knob is turned in the submenu you will scroll between the items in the submenu Leave the submenu by turning the potentiometer clockwise or anticlockwise until the menu up is shown Press to leave the submenu 3 2 8 5 Change parameters Turn the knob until the required parameter is shown in the display Press the knob and turn until the required value is shown Press the button once more to acknowledge and store the value Flashing parameter value in the display indicates that changes are being made and not yet acknowledged and stored 3 2 8 6 Menu drawing of the menu to guide the user Drawing of the menu appears from section 12 3 2 8 7 The start display The start picture shown when the potentiometer has not been activated for 10 minutes e n nnn shows the capacity ordered by the main air
35. l components must be connected on the site 3 2 4 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for 11 HP Systemair water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard The Systemair Control Panel with 10 meters of cable is not connected to the controller in the switchboard All external components delivered are packed in a cardboard box delivered together with the unit 3 2 5 DV unit with switchboard control system delivered as one section on base frame This model of the DV unit has an integrated control system and the switchboard mounted inside the unit The switchboard is always mounted in the unit section with the heat exchanger and the switchboard is always placed at the warm side of the heat exchanger The intelligent controller Systemair E28 is mounted in the switchboard and all electrical connections between switchboard and compo
36. l of the heat recovery capacity is available as on off switching of the drive motor called constant speed or as modulating control called variable speed 6 4 24 Frost protection plate heat exchanger To prevent the plate heat exchanger from being blocked and damaged by ice when the outdoor air temperature is very low the exhaust air temperature from the coldest area after the heat exchanger is transmitted to the controller by a temperature sensor The dampers are controlled by the modulating damper motor to reduce the flow of outdoor and avoid that the exchanger is not blocked by ice 28 HP Systemair 7 Plumbing 7 1 Description The valves and valve motors are stored in a carton box placed on the unit if the unit was ordered with valves and valve motors Water trap s standard or optional is are necessary to ensure escape of water from the tray under plate heat exchanger and or cooling coil Water trap s is are stored in a carton box placed on the unit Connection pipes on heating and cooling coils are provided with external threat Connect valves to the terminals according to wiring diagrams 7 2 Pipe connections Connection pipes on heating and cooling coils are provided with external threat Drainage outlets on drip trays are provided with external threat 7 3 Possibility of extracting components from the unit Pipes and cables must not obstruct the inspection doors and components which can be extracted from the
37. liprogramimme o es oo uta pede eeepc e Teo 26 6 4 10 Electrical heater battery retire reete one e ee toe eee ECT 26 6411 FrequencyiConVertet uinnin 2 eee Bb e Haee Bano dae 26 6 4 12 Pressure tr nsmitters e eR RR re eR ER Acre VERA eee cape erase eee sente De 27 6 4 13 Switchboard Reda 27 oystemair 6 4 14 Temperat re S nSOrS ier territi erento reete eed ae ete pesado 27 6 4 T5 Damper IiOtOES eec ae Be be ange a arte ee be nk ege ew CEP BRE od ea eue dede eee 27 6 4 16 Filter guards Rv rb te b E m E YER ee CHE 27 6 4 17 Room temperatute Sensors u s eoe eoo nno dae tee tend ek ase 27 6 4 L8 Frost DEOTOCEIOTI eee erede dee e eae Ra Ee 28 6 4 19 Systemait Control Panel nennen ere nen eoo dene run 28 6 4 20 1 TECOVETY o ee e tero due esto Ro ood ORE Bae eux eR OE RR ERAN EET ARN 28 6421 Free coollngss i a t m ID M Ir dir 28 6 4 22 ALAM SIQMAl 28 6 4 23 Heat reCoVely c 28 6 4 24 Frost protection plate heat iii 28 7 P UMBING ED AN 29 7 1 29 7 2 Pipe
38. lve and valve motor The valve and valve motor are not installed 2 way or 3 way valve is available 7 5 Draining condensate water Drip trays for collection of condensate water are installed under plate heat exchanger and cooling coil Each drip tray is provided with a drainage outlet A water trap is always necessary To avoid freeze ups and frost bursts of water trap and pipes sufficient insulation is recommended and installation of heating between the insulation and water trap pipes could even be necessary insulation heating and controller for the heating are not delivered by Systemair 7 6 Draining condensate water from plate heat exchanger Heavy negative pressure where the condensate from the plate heat exchanger is collected in the drip tray allows air to flow through the drainage pipe into the unit and prevents condensate water from flowing out of the unit through the drainage pipe A water trap with sufficient closing level of the water is extremely necessary to ensure that condensate water flows out of the unit The pipe diameter of the water trap and sewage system must be identical to the pipe diameter of the drainage outlet from the tray The closing level of the water trap must be estimated correctly to ensure safe escape of the water see the illustration and estimate the minimum closing level according to the table A water trap is optional and installation of the water trap is not included Negative pressure P Pa
39. m delivered in several sections 11 3 2 5 DV unit with switchboard control system delivered as one section on base frame 12 3 2 6 DV unit with switchboard and control components without controller delivered in several sections 12 3 2 7 DV unit with switchboard and control components without controller delivered as one section on base dicla 13 3 2 8 DVU section Cooling UNIT wes secs i ee ve e ee Ness s eet or Re ude XXE 14 4 INTENDED USE NOISE AND 20 4 1 Intended use and range of applications eese esee eene eene eene tette esee eese eee 20 4 2 Unintended use and misuse inappropriate applications for the 20 4 3 Air ha dling unit TOES 20 4 4 Maintenance repair dismantling and disposal nennen neenon 20 4 4 1 Protective measures ieoa nea o eter E rene ep gan ere instr aae 20 442 Sharpe dgesu e ice iot eR ERES ENTE A 20 4 4 3 Filters eri eet reae eere ee ee 20 4 5 Disposal measUres 9 cce oie 20 4 5 1 DVU cooling Systelri er green eap RE ne exe sva y beo spi deed de 21 4 5 2 Sharp edges ate im
40. mponents and depending on the size of the unit the switchboard is installed on the unit or on the front of the unit It is also possible to install the switchboard beside the unit with the distance allowed by the length of the cable that cannot exceed 10 meters The installed control components could be e Frequency converter e Damper motors e Temperature sensors e Pressure transmitters e Valves and valve motors Fire thermostats Smoke detectors e CO2 sensors e Lamps e Supply disconnecting devices 12 A Systemair All electrical connections are installed between terminals in the switchboard and components the unit The components are not tested at the factory and the frequency converters are not configured with the correct data Only components listed in the customer s order and confirmed the order confirmation are delivered with the unit After installation of components and cables in the unit the unit is divided into sections to facilitate the transport After reassembly of the unit on the site the clearly marked cables with sockets must be reconnected in the marked switchboard terminals Cable strips are preinstalled in glue plinths for installation of the cables between the components in the unit sections and the switchboard Cables installed on the unit sections in the pre installed strips in glue plinths are protected by metal covers The covers have been removed before installation of the cables and must be replace
41. n and Runtime 3 2 8 14 Manual operation When the menu Manual operation is activated the technician is able to control the operation manually when the start signal from the main air handling unit controller is on start signal is just potential free connection of the two terminals 3 amp 4 This procedure is relevant for the test during the annual maintenance with the control of all safety and regulation procedures or after installation of new components If no new settings have been carried out on the controller for 10 minutes the menu Manual operation is deactivated and the unit returns to the automatic mode 3 2 8 15 Running hours and hotgas activations In this menu the number of running hours for the compressor and the number of activations of the hotgas valve can be read This information is valuable for the maintenance 3 2 8 16 Alarm 3 2 8 16 1 Alarm Show the actual alarm with alarm number 3 2 8 16 2 Alarm Log The last 15 alarms are logged and it is not possible to delete them No time stamps on the stored alarms 3 2 8 17 Modified software in Danfoss frequency converter for the compressor The standard settings in the Danfoss frequency converter have been changed in 2 menu items because the safety functions in these menus are transferred to the DVU internal controller LMC251 In the menu item 5 10 Terminal 18 digital input start the value must be changed from 8 to O In the menu item 5 12
42. n a CD delivered with the unit 3 2 Specific data about each model of the air handling unit 8 models 3 2 1 DV unit without switchboard control system DV unit without switchboard control system is a unit without an intelligent controller and without components for the control of functions This model is however usually delivered with some electric components for example fan motors motor for turning the rotary heat exchanger as well as the internal control system for revolutions per minute of the rotor The common rule for this model is that no components are connected to an intelligent controller The machine is CE marked and installation of control system and other changes of the machine have the consequence that the buyer must issue a new EC Declaration of Conformity and a new CE marking of the machine 3 2 2 TIME unit indoor model The indoor model of TIME has an integrated control system and the switchboard mounted on the unit The switchboard is always mounted on the unit section with the supply air fan The intelligent controller Systemair E28 is mounted in the switchboard and all electrical connections between switchboard and components in the unit are installed The control system is configured according to the customer s order confirmed by the order confirmation to promote easy start up on the site The unit is tested at the factory and all functions are confirmed by a final functional test and test report After the final
43. nal air volume m3 s 0 8 1 11 1 65 2 33 2 65 3 33 Minimum air volume m3 s 0 3 0 4 0 5 0 6 0 9 1 0 Test pressure bar 28 6 28 6 28 6 28 6 28 6 28 6 Refrigerant R407C R407C R407C R407C R407C R407C Refrigerant content in kg 3 3 4 5 6 6 9 8 Cooling capacity at nominal 11 1 kW 15 7 kW 23 3 kW 33 8 kW 36 7 kw 47 3 kW air volume when Outdoor 28 C 50 H Room 25 50 H Supply air 18 C 90 H Nominal air volume highest air volume where outdoor air is 28 9C 5096 r H and is chilled by 10 3 2 8 19 Cooling capacity and absorbed power consumption in kW for compressor EER factor Cooling capacity and absorbed power consumption data is listed in the table below for calculation of the energy performance of the building Cooling capacity and absorbed power consumption are listed for 3 levels minimum medium and maximum revolutions for the cooling compressor when the evaporation temperature is 10 and condensation temperature is 50 Maximum cooling capacity at nominal air flow 18 e Systemair when supply air flow is equal to exhaust air flow outdoor 28 C 50 r H indoor 25 C 50 r H and supply air 18 C 9096 r H Cooling capacity in kW absorbed power consumption in kW and EER value all at nominal air volume DVU 10 DVU 15 DVU 20 DVU 25 DVU 30 DVU 40 Minimum 35 Hz 5 6 1 2 7 7 1 9 11 5 2 2 15 7 3 3 18 5 3 8 23 2 4 5 4 5 4 1 5 2 4 7 4 9 5 1
44. nents in the unit are installed The control system is configured according to the customer s order confirmed by the order confirmation to promote easy start up on the site The unit is tested at the factory and all functions are confirmed by a final functional test and test report The unit is delivered as one assembled section on base frame All external components must be connected on the site 3 2 5 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard The Systemair Control Panel with 10 meters of cable is not connected to the controller in the switchboard All external components delivered are packed in a cardboard box delivered together with the unit 3 2 6 DV unit with switchboard and control components without controller delivered in several sections This model of the DV unit has control co
45. ort Configuration report from E tool 31 A Systemair 8 1 3 DV units with switchboard and control components without controller Printed documents Transport and Installation Manual User Manual Noise calculated values Component list 8 2 Electronic media A CD is delivered with every unit The below mentioned documents are available on every CD and this means that every CD is provided with information about many components that are not delivered with every unit The documents on the CD Common Transport and Installation Manual User Manual Operator s Guide Commissioning Protocol as a Word file for modification by the installer Maintenance Dismantling and Disposal Manual Components in the control system Vacon frequency converter Corrigo manuals Damper motors Filter guards Temperature sensors Fire thermostats Smoke detectors Pressure transmitters Valves Valve motors CO2 sensor Systemair Control Panel Others 32 A Systemair 9 Start up protection and safety measures listed section 5 must met before start up of the unit and the mains supply voltage must be checked too before start up The mains supply voltage must be measured at the supply terminals in the switchboard 9 1 Checklist relevant values 9 1 1 Checklist prior to start up External components are the valve and valve motor installed correctly Is the circulation pump installed correctly Is water under pressure in the
46. rotection is also activated when the running mode is off If the water temperature falls below the set point temperature the fans stop the dampers close and an alarm is activated 6 4 19 Systemair Control Panel The separate cable connected 10m hand terminal with display and buttons the Systemair Control Panel is always necessary for the normal handling and programming because the controller Systemair E28 is without display and buttons The Systemair Control Panel can control one unit directly or via the repeater EO R the Systemair Control Panel can control up to 6 units with a controller Systemair E28 in each unit 6 4 20 Cooling recovery If the extract air temperature is lower than the outdoor air temperature and there is a cooling demand in the rooms the cooling recovery will be activated by reversing the heat exchanger signal The signal is increased to the cooling recovery by increasing cooling demand 6 4 21 Free cooling A temperature sensor has been installed inside the unit in the outdoor air entrance If the outdoor temperature after midnight is below the room temperature set point and the actual average room temperature is above the set point temperature the fans start during the summer to cool down the building during night hours 6 4 22 Alarm signal By alarm there is 24 VAC on terminals in the switchboard for a lamp Cable and lamp are not delivered by Systemair 6 4 23 Heat recovery The contro
47. tem Necessary mains power supply as well as minimum and maximum fuse sizes are shown in the print outs from the SystemairCAD software and in the order specific wiring diagrams for the ordered unit 6 4 Electrical connection of components and functions External components and functions are delivered according to the order confirmation Here is a description of all available components standard or optional that can be delivered with or installed in the unit 6 4 1 Repeater If the distance between controller and control panel is larger than the 10 metres of cable from the control panel allows the repeater EO R is necessary Simple extension of the cable without the repeater will lead to malfunction and severe problems Up to 1200 m cable length between the controller and the repeater is possible The distance between the repeater and the control panel is restricted to the 10 metres of cable from the control panel Supply voltage for the repeater is 24 V AC from the switchboard and the protection class is IP20 One control panel can control up to six air handling units through one repeater with an E28 controller in each air handling unit 6 4 2 Extended operation When the unit is running at reduced speed or is in shutdown mode it can be forced up one step by using a Push button impulse The required number of minutes for the extended operation must be selected on the Systemair Control Panel Button and cable are not delivered by Systemair
48. test the unit is divided into at least 2 and for larger units up to 6 sections to facilitate the transport After reassembly of the unit on the site the clearly marked cables must be reconnected in the marked switchboard terminals Furthermore all external components must be connected on the site 3 2 2 1 External components External components are Systemair Control Panel valves valve motors pressure transmitters supply air temperature sensor sensor for water temperature in the heating coil if water heating coil was requested and circulation pump Systemair does not deliver the pump Supply air temperature sensor and sensor for water temperature in the heating coil are cabled to the terminals in the switchboard Terminals are present in the switchboard for pressure transmitters if it is a solution for constant pressure in the ducts and 10 HP Systemair terminals are present in the switchboard for valve motors and circulation pump but cables are not installed and not connected to terminals in the switchboard The Systemair Control Panel with 10 metres of cable is not connected to the controller in the switchboard All external components delivered are packed in a cardboard box delivered together with the unit 3 2 3 TIME unit outdoor model The outdoor model of TIME has an integrated control system and the switchboard mounted inside the unit The switchboard is always mounted in the unit section with the heat exchanger and the switch
49. th and safety measures are described in this section 20 A Systemair 4 5 1 DVU cooling system Prior to the disposal of the DVU unit section the refrigerant in the cooling system must be drained off by a skilled technician from a certified company After correct evacuation of the refrigerant the disposal of the DVU unit section is similar to the disposal of the rest of the air handling unit 4 5 2 Sharp edges Pay attention to several sharp edges during dismantling and disposal of the unit To avoid injury CE marked cut resistant gloves as well as helmet must be used The measures are described further in the Maintenance Dismantling and Disposal Manual 4 6 Use operation of the machine TIME units and DV units delivered with control system and controller are delivered with the Operator s Guide printed on paper and on the CD Information in this User Manual is supplemented by information in the User s Guide 4 7 Prohibited use of the machine The unit must not be used when the duct system is not complete due to lack of protective measures rotating fan impellers dampers driven by damper motors and so on Using the unit for ventilation of the building site prior to installation of all protective measures on the unit is strictly prohibited 4 8 Noise and vibration The noise of the unit can exceed 70 DB Order specific noise data are delivered on a separate sheet with the Transport and Installation Manual Calculations of noise
50. wer than the recommended minimum mentioned below in section 3 2 8 18 in this manual 14 CapReg On of Alarm Analog in Digital in Alarm out compressor system 3 400 VAC RS485 Relay COM out 3 2 8 1 Using the control panel of the DVU internal controller for the cooling ee oystemair Two LEDs light diodes are placed on the DVU internal controller and each of the LEDs can be on or flash green red or orange During normal conditions a permanent green light indicates that everything is normal orange indicates alternative running mode while red indicates alarm LED Off Green Green Orange Orange Red Red flashing flashing flashing Upper LED Off signal from On signal from main AHU main AHU controller controller Lower LED Compressor Hotgas Alarm active active Priorities of the collars are 1 Red highest priority 2 RedFlashing 3 Orange 4 Orange Flashing 5 Green 6 Gren Flashing Lowest priority 15 e Systemair 3 2 8 2 Background illumination of the display Background illumination of the display switches on automatically when the potentiometer is turned or pressed The illumination switches off one minute after the last activation of the potentiometer By alarm the illumination flashes until the alarm is acknowledged 3 2 8 3 Potentiometer on the internal controller for the cooling compressor system T
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