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7.4

Airflow control

7.4.1

VAV/CAV conversion kit

The VAV/CAV conversion kit is used for VAV/CAV control of residential units.

Note:

The accessory package contains all needed parts for VAV conversion, however for use with CAV, an IRIS
damper or a similar device with known K factor has to be purchased.

Component/product — Article number:

• VAV/CAV conversion kit — 140777

• SPI-200 C Iris damper — 6754

Installation and connection

• Follow instructions in the manual which is delivered with the accessory.

7.5

Installation/Maintenance

7.5.1

Outdoor/Exhaust air dampers

If manual fan stop is activated, the unit should be provided with dampers in exhaust and outdoor ducts
to avoid cold draught and risk of condensation when the unit has been stopped.

• RL — relay box

• U- outdoor air damper

• V — exhaust air damper

• 1 — Outdoor air

• 2 — Supply air

• 3 — Extract air

• 4 — Exhaust air

Component/product — Article number:

• EFD 200 TF230 motor (U/V) — 7162

• TUNE-R-200-3-M4 (U/V) — 311970

• Relay kit:

RMK — 153549

• Relay kit with a transformer for 24 VAC dampers:

RMK–T — 153548

For all possible connection variations please see wiring diagram delivered with the relay mounting kit.

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Содержание SAVE VTC 500

Страница 1: ...Document in original language 01_1 8 0 SAVE VTC 500 Service Accessories Installation Manual GB ...

Страница 2: ...the rights to change their products without notice This also applies to products already ordered as long as it does not affect the previously agreed specifications Systemair is not liable or bound by the warranty if these instructions are not adhered to during installation or service ...

Страница 3: ...stem Preferences 16 4 7 6 Service 17 4 7 7 Help 24 5 Electrical connections 25 5 1 Main board layout 25 5 2 External connections Connection board 26 6 Service 27 6 1 Warnings 27 6 2 Internal Components 28 6 2 1 Description of Components 28 6 3 Troubleshooting 29 7 Accessories 31 7 1 Internet Access Module IAM 31 7 1 1 Setting up remote control of the unit 31 7 2 Indoor air quality sensors 33 7 3 T...

Страница 4: ......

Страница 5: ...ig 1 Type label Position Description 1 Product code product specification 2 Product item number 3 Production order number 4 Serial number 5 Production date YY MM DD 6 QR code for manufacturing order MO number and software version 7 QR code for the spare parts list and documentation 1 3 Disposal and recycling This product is compliant to the WEEE directive When disposing the unit follow your local ...

Страница 6: ...system Make sure that filters are mounted before starting the unit 2 2 Admonitions Danger Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work All electrical connections and maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations Warning This product must only be operated by a per...

Страница 7: ...5 W The following harmonized standards are applied in applicable parts EN ISO 12100 2010 Safety of machinery General principles for design Risk assessment and risk reduction EN 13857 Safety of machinery Safety distances to prevent hazard zones being reached by upper or lower limbs EN 60 335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 60 335 2 40 Safety of ho...

Страница 8: ...low control type Manual RPM and airflow level values heater type None Electrical Water Change over The Startup Wizard cannot be skipped 4 3 Common symbols The following selection symbols are common and are present in most menu pages Back button to return to a previous menu located at the upper left corner On and Off slider to activate or deactivate a function White bubble function is inactive gree...

Страница 9: ...home icon pos A in drop down menu list pos 1 will always returns you to home screen after commissioning 1 Drop down menu list 2 Active user mode 3 Airflow settings 4 Temperature settings 5 List of active alarms 6 Icon list of active user functions 4 5 1 User modes The first icon at the top of home screen shows currently active user mode To change the user mode touch the active user mode icon pos 2...

Страница 10: ... mode is active Set duration in days CROWDED Sets speed of both supply and extract air fans to maximum High levels and temperature setpoint offset to 3 K when apartment is more crowded than usual Default temperature setpoint offset is 3 K Set duration in hours AWAY Sets speed of both supply and extract air fans to Low levels when user is away from home for a short period of time ECO mode is active...

Страница 11: ...e freely configurable 4 5 1 3 1Configurable digital inputs A custom airflow settings for supply and extract fans can be set and assigned to a digital input Each fan can have a dif ferent airflow setting Configurable digital input can be activated via signal triggered by push button presence detector or any other external device with digital output such as Building Management Systems BMS Configurab...

Страница 12: ...r to change the value Then touch the OK button to confirm changes Temperature set point is for room air temperature supply air temperature or for extract air temperature depending on which control mode is active Default setting is Supply air temperature control Control mode of the temperature can be changed in Service menu 4 5 2 1 ECO mode ECO mode is a power saving function that can be activated ...

Страница 13: ... the sup ply and extract fans Important It is not recommended to set fan to Off in standard households If manual fan stop is activated the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of condensation when the unit has been stopped The fan can be set to Off by activating Manual Fan Stop function in Service menu 4 5 4 Indoor Air Quality The unit ...

Страница 14: ...r Function is only available for units with Rotating type heat exchanger Defrosting Function prevents formation of the ice on the heat exchanger during cold outdoor temperatures Secondary air Warm air from the living space is used to defrost the heat exchanger using a damper inside the outdoor air duct The unit switches from outdoor air to secondary air while the extract air fan stops and warm sec...

Страница 15: ...t status of the unit configured components and inputs outputs 4 7 1 1 Components Type and settings of heat exchanger heater cooler extra controller 4 7 1 2 Sensors Values from sensors and load of fans rpm 4 7 1 3 Input Status Status of configured analog digital and universal inputs Connected component type and raw value volts is displayed 4 7 1 4 Output Status Status of configured analog digital a...

Страница 16: ...f purchase Frost protection temperature sensor Indicates malfunction of water heater temperature sensor Alarm stops the unit Check that frost protection temperature sensor is connected properly and cable is not damaged Contact your installation company or place of purchase Defrosting error Indicates failure of pre heater to preheat the incoming outdoor air in case Extra controller is configured as...

Страница 17: ...f the alarm occurs again after approximately 2 minutes contact your installation company or place of purchase Rotor guard Indicates a rotor malfunction No rotation guard signal for 180 seconds If the rotating heat exchanger has stopped Check the rotor belt If the heat exchanger is still rotating check that the quick connector for the sensor is connected and that there is an air gap of 5 10 mm betw...

Страница 18: ...y sensor malfunction Active measured humidity 0 Returned measured humidity 5 Check that sensor is connected properly and cable is not damaged Contact your installation company or place of purchase PDM RH Extract air temperature Indicates internal extract air temperature sensor malfunction Active measured temperature 0 C Returned measured temperature 5 C Check that sensor is connected properly and ...

Страница 19: ...sensor status in HMI Contact your installation company or place of purchase Output in manual mode One or more of analogue outputs are in manual mode Check Service menu for Output settings and check all configured outputs to be in Auto mode If any outputs in Manual change back to Auto mode Alarm Fire Alarm can be only activated with a digital signal from a smoke fire detection system or similar Dig...

Страница 20: ...7 4 Filter In this menu the remaining time until filter change is displayed Editing is locked with a password use administrator password See Password Settings in Service menu for more information Set duration of the filter until next change for period of 3 15 months in steps of 1 month Default setting is 12 months A filter change notification is shown one month prior to filter change If a new filt...

Страница 21: ...t 2 Activation of custom airflows set by user Configurable Digital Input 3 Activation of custom airflows set by user Pressure Guard Digital input from a pressure guard component Relative humidity and rotation speed signals from fans are already pre addressed to specific terminals and cannot be changed all other inputs are free for configuration by commissioning Inputs are free to be used for any p...

Страница 22: ...Start Stop signal to the circulation pump of the Heating Cooling Extra controller Fan output PWM Pulse width modulation signal and triac output are already pre addressed to specific terminals and cannot be changed all other outputs are free for configuration by commissioning Outputs are free to be used for any purpose Digital outputs are restricted by signal type and physical number of connections...

Страница 23: ...ing is None Available types None Water Change over Set outdoor air temperature interlock Default setting is 10 C Range 0 20 C Set actuator type Default value is 0 10 V Range 0 10 V 2 10 V 10 0 V 10 2 V Set circulation pump stop delay Default setting is 5 minutes This option is available if Water Change over heat er type is selected Range Off 1 60 min Extra controller Choose extra controller type E...

Страница 24: ... airflow and fan settings Select fan control airflow type Default setting is Manual Available types Manual Manual rpm Flow CAV Pressure VAV External Setting Manual RPM Flow CAV Pressure VAV External Airflow measurement unit rpm l s m3 h cfm Pa P Band 0 3000 rpm 0 500 Pa Default setting 150 Pa I time Off 1 240 sec Default setting 5 sec Off 1 240 sec Default setting 5 sec Airflow level settings for ...

Страница 25: ...or s are configured Demand Control function is activated by choosing AUTO mode in home screen Activate or deactivate CO2 sensor Default setting is Off Set CO2 sensor setpoint Default setting is 800 ppm parts per million in atmosphere Normal atmospheric CO2 con centration is 400 ppm Range 100 2000 ppm Set P band default setting is 200 ppm Range 50 2000 ppm Set I Time default setting is Off Range Of...

Страница 26: ... Normal Range Normal High Maximum Set start condition Outdoor daytime temperature for activation default setting is 22 C Range 12 30 C Stat stop conditions Extract Room temperature default setting is 18 C Outdoor high temperature limit default set ting is 23 C Outdoor low temperature limit is 12 C Start and stop time 4 7 6 4 1Finding RPM for desired airflow It is necessary to set fan RPM revolutio...

Страница 27: ...r connection of the Internet access module IAM accessory Internet access module IAM is a device that allows to connect to the unit and control it via a mobile application or di rectly from the computer Shows current connection status Shows network name to which the internet access module is connected Scan for networks use this search function to find your local protected network Detailed procedure...

Страница 28: ...hanged password You will be asked to confirm the task before proceeding Note This selection will automatically restart the unit The Startup Wizard have to be re done after restart Touch Save current configuration to IAM option to save your current system configuration file to the con nected Internet Access Module Touch Download current configuration from IAM to download configuration file from the...

Страница 29: ... Electrical connections Fig 6 Print card position The SAVE VTC 500 is wired internally at factory The electrical connection box can be found behind a cover plate pos 1 The main circuit board pos 2 can easily be taken out from the unit 5 1 Main board layout The SAVE VTC 500 is equipped with built in regulation and internal wiring The figure shows the main circuit board See wiring diagram for more i...

Страница 30: ...ly configurable Electrical heater controller VTC 700 unit 15 Analog output 1 Rotor of the heat exchanger VSR VTR units Damper control VTC units 16 Terminals for speed control of extract air fan 17 Terminals for speed control of supply air fan 18 Terminals for bypass damper control VTC units 5 2 External connections Connection board External connections to the main circuit board are done via connec...

Страница 31: ...erson who has suitable knowledge or training within this field or carried out with the supervision of a suitably qualified person Beware of sharp edges during mounting and maintenance Use protective gloves Warning All though the mains supply to the unit has been disconnected there is still risk for injury due to rotating parts that have not come to a complete standstill Important The installation ...

Страница 32: ...pply air 12 Temperature sensor outdoor air 13 Relative humidity Extract air temperature sensor 14 Fast couplings for supply air fan 15 Fast couplings for extract air fan 1 The damper may not be turned by hand 1 6 2 1 Description of Components 6 2 1 1 Fans Fans have an external EC type rotor which can be steplessly controlled individually 16 100 The motor bearings are life time lubricated and maint...

Страница 33: ...er SAVE VTC 500 is equipped with a highly efficient counter flow plate heat exchanger Required supply air temperature is therefore normally maintained without adding additional heat The heat exchanger is removable for cleaning and maintenance see User Manual for more information 6 2 1 5 Main circuit board The main circuit board controls all functions and the unit It is possible to connect external...

Страница 34: ... if the buildings air intake and roof unit exhaust have been clogged 11 Check visible duct runs for damage and or build up of dust pollution 12 Check diffuser louvre openings The unit cannot be controlled control functions are stuck 1 Reset control functions by pulling out the plug for 10 seconds 2 Check the modular contact connection between the HMI and the main printed circuit board Low supply a...

Страница 35: ...accessory 7 1 Internet Access Module IAM Internet access module is a device that allows to connect to the unit and con trol it via a mobile application or directly from the computer and receive auto matic updates The Cloud is a mediator between the user and the unit To access your unit via Cloud it has to be connected to the internet via Internet Access Module Component product Article number Inte...

Страница 36: ...all Systemair mobile application on your device Systemair mobile application is available for both Android and iOS mobile operating systems D2 Systemair web application does not require installation and can be accessed directly through the website homesolutions systemair com by using any web browser E Launch the application In the login screen enter your unique UNIT ID which can be found on the ba...

Страница 37: ...sor 0 50C temperature 211525 Systemair E CO2 RH Temperature 211522 Fig 10 IAQ connections Installation and connection 1 Install IAQ sensor in the duct or the room depending on the transmitter type 2 Connect CO2 sensor to any free universal analog input UI on the connection board 3 If IAQ sensor contains relative humidity transmitter Connect it to any free universal analog input UI on the connectio...

Страница 38: ...or supply air heating during cold outside temperatures Electrical reheater should be installed inside of the unit ELH Electrical heater OHT overheat protection sensor 1 Outdoor air 2 Supply air 3 Extract air 4 Exhaust air Component product Article number ELH VTC 500 R 158105 ELH VTC 500 L 158109 Installation and connection 1 Remove the cover of reheater by loosening screws at the front pos 1 2 Rem...

Страница 39: ...nd secure them with screws Note For more detailed information see a wiring diagram delivered with the unit Configuration 1 Go to Service menu 2 Enter password default 1111 3 Go to Components menu select Heater menu and select type as Electrical Do advanced settings if necessary 4 Configure overheat protection sensor Go back to Input menu Select ANALOG tab Select the analog input to which the overh...

Страница 40: ...1111 3 Go to Components menu select Extra Controller menu and set Extra Controller Mode setting as Pre heater Pre heater setpoint can be set in the same menu Do other advanced settings if necessary Read Installa tion and Service manual for more information 4 Configure connection of the pre heater Go to Service menu Select Output menu In next menu select DIGITAL tab Select the digital output to whi...

Страница 41: ...nnect the duct temperature sensor to analog input 2 AI2 replacing the internal supply air temperature sensor Note A duct temperature sensor can be connected to analog inputs 6 7 on the connection board for better access and then configured as a supply air temperature sensor However the internal supply air temperature sensor must be disabled in the control panel first Configuration 1 Go to Service ...

Страница 42: ... and connection 1 Install a duct water cooler in the duct Connect pipes 2 3 way valve and actuator Important Do NOT use 24V DC power output from the connection board for valve actuator 2 Connect actuator S to any free analog output 3 An internal supply air temperature sensor SAT default connection AI2 on the main circuit board must be replaced by a duct temperature sensor which can be acquired as ...

Страница 43: ... protection sensor optional SAT supply air temperature sensor THS thermostat for sensing if the temperature of heating cooling fluid in the system is right optional HP heat pump or other device for heating and cooling CWP water pump RL relay 1 Outdoor air 2 Supply air 3 Extract air 4 Exhaust air Component product Article number Duct sensor 30 70C SAT 211524 Surface sensor 30 150C FPT 211523 Relay ...

Страница 44: ...ple if it is connected to DO1 on the connection board then select DIGITAL OUTPUT 1 and select Step Controller Y1 Heating from the output type list 6 Configure cooling start signal Go to Output Select DIGITAL tab Select the digital output to which the cooling start signal wire from the heat pump is connected Example if it is connected to DO2 on the connection board then select DIGITAL OUTPUT 2 and ...

Страница 45: ...s delivered with the accessory 7 5 Installation Maintenance 7 5 1 Outdoor Exhaust air dampers If manual fan stop is activated the unit should be provided with dampers in exhaust and outdoor ducts to avoid cold draught and risk of condensation when the unit has been stopped RL relay box U outdoor air damper V exhaust air damper 1 Outdoor air 2 Supply air 3 Extract air 4 Exhaust air Component produc...

Страница 46: ...4 Connect power supply wires L N coming out from the relay box to 230 V power source Configuration 1 Go to Service menu 2 Enter password default 1111 3 Configure control signal to the relay Go to Output menu Select DIGITAL tab Select the digital output to which the relay is connected Example if it is connected to DO3 on the connection board then select DIGITAL OUTPUT 3 and select signal type as Ou...

Страница 47: ...ure value using the knob under the lid The setpoint value is visible through the lid Configuration 1 Go to Service menu 2 Enter password default 1111 3 Go to Input menu Select UNIVERSAL tab 4 Select the universal input to which wire from the differential pressure switch is connected Example if it is connected to UI1 on the connection board then select option UNIVERSAL INPUT 1 Set signal type as Di...

Страница 48: ...e address value to function properly 7 5 4 Presence detector A presence detector is used to activate one of required functions when someone is present in the room Universal input can be easily re configured to activate a different function Component product Article number Presence detector IR24 6995 Configuration 1 Go to Service menu 2 Enter password default 1111 3 Go to Input menu Select UNIVERSA...

Страница 49: ...RSAL tab 4 Select the universal input to which wire from the push button is connected If for example it is connected to UI3 on the connection board then select UNIVERSAL INPUT 3 Set signal type as Digital Input and select your desired function Pressing a push button will activate your selected function 01_1 8 0 ...

Страница 50: ...SAVE VTC 500 en_GB 2019 09 03 01_1 8 0 Systemair UAB Linų st 101 LT 20174 Ukmergė LITHUANIA Phone 370 340 60165 Fax 370 340 60166 www systemair com ...

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