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Komfovent RHP Standard, User Manual

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25

UAB KOMFOVENT we reserve the right to make changes without prior notice

RHP STANDARD_guide_21-03

5.2.2. Outdoor compensated ventilation (OCV)

Setting winter and summer outdoor temperature limits for reducing ventilation intensity. When the outdoor tempera-

ture is within the range of “Winter compensation start” and “Summer compensation start”, the unit operates in a selected 

ventilation mode. 

Enable

Winter compensation stop

Winter compensation start

Summer compensation start

Summer compensation stop

OUTDOOR COMPENSATED VENTILATION (OCV)

-40.0

°C

°C

0.0

20.0

°C

°C

50.0

5.2.3. Minimum temperature control (MTC)

Setting a minimum desired supply air temperature.

Enable

Setpoint

MIN. TEMPERATURE CONTROL (MTC)

18.0

°C

5.2.4. Summer night cooling (SNC)

Setting two indoor temperatures for the function to start running and stop. 

Enable

Stop when indoor

SUMMER NIGHT COOLING (SNC)

Start when indoor

25.0

°C

25.0

°C

Summary of Contents for RHP Standard

Page 1: ...RHP Standard USER MANUAL EN ...

Page 2: ......

Page 3: ...ration DX devices 11 3 5 Water flow monitoring function 11 4 CONTROL AND SETTINGS CONTROL PANEL C5 1 12 4 1 Parameter overview 13 4 2 Turning on and selection of ventilation modes 14 4 3 Setting parameters of ventilation modes 15 4 4 Scheduling window and ventilation schedule settings 16 4 5 Overview window 17 4 6 Functions 18 4 7 Settings 20 4 7 1 Air handling unit 20 4 7 2 Customization 21 5 CON...

Page 4: ...m 29 5 4 2 Holidays 30 5 5 Settings 30 5 5 1 Date time 30 5 5 2 Connectivity 31 5 5 3 User interface 31 5 5 4 Log in password 31 5 5 5 Restoring factory settings 32 6 CONTROL VIA A SMARTPHONE 32 7 PERIODIC MAINTENANCE 34 7 1 Housing 35 7 2 Filters 35 7 3 Fans 36 7 4 Rotary heat exchanger 36 7 5 Heat pump 37 7 6 Water heater cooler 37 7 7 Direct evaporation cooler heater DX 37 7 8 Electrical heater...

Page 5: ... Standard air handling units are not intended for operation in areas with potentially explo sive atmospheres Air handling units are not intended for ventilation and dehumidification of wet premises pools saunas car washes etc When the AHU is installed in a room with high humidity level condensate may form on the walls of the unit at low outdoor temperatures This symbol indicates that this product ...

Page 6: ...speed is adjusted by measuring air flow and comparing it against the set value Fan rotates at a speed required to reach the set air volume regardless of pressure changes For example when air filters get contaminated fan speed is automatically increased to ensure the same volume of air as during operation with clean filters In operating modes the user can set the desired air volume for each fan sep...

Page 7: ... temperature control 2 4 Air Quality Control AQC Air quality control function is intended for adjusting ventilation intensity according to the indoor air quality When indoor air quality drops below the user defined limit ventilation intensity is gradually increased until the air quality improves This function requires an air quality sensor installed inside the extraction air duct or inside the roo...

Page 8: ...nction uses the night s cool air to ventilate the premises during summer This function removes excess heat accumulated during the day and fills the building with cooler outdoor air Function runs at night from 00 00 a m to 06 00 a m when the outdoor air is cooler than the indoor air and the indoor temperature is higher than the user defined limit i e ventilation is required When this function is ac...

Page 9: ...protect the unit and its components against damage as well as provide protection for the building and people when the ventilation system is exposed to dangerous circumstances External fire alarm function stops the air handling unit as soon as a signal from the building s fire alarm system or smoke detectors is received This immediately stops ventilation and fresh air from entering fire zones to pr...

Page 10: ...ing winter use When the outdoor temperature drops below zero the heat pump automation system starts constantly monitoring pressure difference upstream and downstream the evaporator heat exchanger When condensate accumulates in heat ex changer plates and ice starts to form pressure increases and defrosting actions are initiated During the defrost cycle part of the hot refrigerant gas is directed fr...

Page 11: ...xternal signal e g from a thermostat is required to switch between heating and cooling modes see Installation Manual This feature is pre ordered and configured at the factory Later settings of this function may only be changed by a service representative 3 4 Control of direct evaporation DX devices When the unit is ordered with an additional direct evaporation DX coil a feature for controlling an ...

Page 12: ...nging of various functions and settings of the unit Touch sensitive display reacts to soft taps therefore do not use any sharp tools screwdrivers or pens also do not apply excessive force as it may damage the display Operation modes COMFORT 1 COMFORT 2 ECONOMY 1 ECONOMY 1 SPECIAL OFF Back Change settings Activate mode or function Selection of ventilation modes Setpoint 21 0 5 0 C 40 0 C Parameter ...

Page 13: ...layed in the main window and parameter overview windows air flow temperatures air quality sensor data and energy recovery Use arrows on the sides of the main screen to browse across parameter windows ECONOMY 1 21 9 C 21 3 C Temperature 16 30 90 18 kW ECONOMY 1 16 30 Energy saving ECONOMY 1 60 RH 800 ppm Air quality 16 30 ECONOMY 1 12500 m h 13100 m h Air flow 16 30 For more parameters see Detailed...

Page 14: ... Select a desired ventilation mode 5 Press the return key and confirm the message that appears Oro kokybė OFF C C Temperature 16 30 OFF 21 9 C 21 3 C Temperature 16 30 ON Operation modes COMFORT 1 COMFORT 2 ECONOMY 1 ECONOMY 2 SPECIAL OFF Operation modes COMFORT 1 COMFORT 2 ECONOMY 1 ECONOMY 2 SPECIAL OFF Operation modes COMFORT 1 COMFORT 2 ECONOMY 1 ECONOMY 2 SPECIAL OFF Change operation mode ECO...

Page 15: ... Temperature 16 30 Operation modes COMFORT 1 COMFORT 2 ECONOMY 1 ECONOMY 2 SPECIAL OFF Reset settings ECONOMY 2 1250 m3 h 1250 m3 h Setpoint 20 C Supply flow Extract flow Supply flow 1300 m3 h 1250 600 m3 h Setpoint 40 0 C 21 0 5 0 C SPECIAL ventilation mode may also be used to disable heating cooling and other functions This saves energy when temperature and other ventilation parameters are less ...

Page 16: ...tart and end time for the program 7 Add additional programs if needed up to 20 programs 8 Once the schedule is created activate it by checking Enable box and returning to the main window Functions Settings Overview Menu Scheduling Operation program Holidays Operation program Add new program Enable Program 1 Program 2 Operation mode COMFORT 1 Weekdays Mo Tu We Th Fr Sa Su Start time 00 00 Stop time...

Page 17: ...of energy returned and consumed To reset a meter press an arrow next to a desired parameter Efficiency status Heat exchanger parameters are displayed in real time Detailed information This menu item displays readings of all sensors installed in the unit as well as information on operation of individual devices of the AHU and other detailed data 21A Electric heater overheating 3B VAV calibration fa...

Page 18: ...unit will run during the activated mode and above which the ventilation intensity will be automatically increased Air quality limit is set for two different ventilation modes during which the function will be used and the desired value will change automatically as the mode changes If the unit operates in a different ventilation mode than the one set air quality control function will be disabled au...

Page 19: ...g conditions for activating the function all the time only when the unit is running only when the unit is stopped and specifying ventilation mode for the unit to run when the function starts If the Standby ventilation mode is selected the unit will be stopped Reset settings Enable Override If on Operation modes ECONOMY 1 Override function Reset settings Enable Setpoint 1 55 RH Mode 1 COMFORT 1 Set...

Page 20: ...ill be maintained during ventilation modes according to the selected control method Temperature control Supply Extract Room Balance Flow control The user can select a desired air flow control method see Chapter Air Flow Control Flow control CAV VAV Double DCV Air quality Selected air quality sensor type is used in AQC OOD functions Sensor type CO2 VOCq VOCp RH TMP Time data Time and date settings ...

Page 21: ...Brightness 25 50 75 100 Time Row 1 1 2 Panel temperature Panel humidity Supply temperature Extract temperature Panel lock The panel can be locked using a four digit code To ac tivate a panel lock enter your PIN code and press Confirm When the lock is activated the panel will lock every time a screen saver appears You will need to enter the same code again to access the main window or other setting...

Page 22: ...gram2 and information about operation of the unit You can also turn your AHU on off in this window Modes Overview Alarms Status Functions Settings Scheduling Operation mode AHU control ĮOn Off Active functions Alarm status Off No alarms 0 8 0 C 26 2 C 0 Pa 200 ppm 0 m h 27 9 C 0 m h 0 26 C 0 10 0 C 0 Pa 0 ppm 0 ON OFF button Simplified functional diagram of the unit Setting windows Current status ...

Page 23: ...Program Economy1 You can select air volume for supplied and extracted air separately and desired temperature for each ventilation mode Air volume is set in the units specified in the user interface settings Supply flow Extract flow 600 600 Setpoint C Comfort1 m h m h 21 0 Special ventilation mode may also be used to block heating cooling signals and disable humidification functions To disable a fu...

Page 24: ...ns Here you can enable disable ventilation functions and change their settings 5 2 1 Air quality control AQC Selecting air quality limit up to which the air handling unit will operate in a selected mode and above which the ventila tion intensity will be automatically increased Air quality limit is set for two different ventilation modes during which the function will be used and the desired value ...

Page 25: ...e unit operates in a selected ventilation mode Enable Winter compensation stop Winter compensation start Summer compensation start Summer compensation stop OUTDOOR COMPENSATED VENTILATION OCV 40 0 C C 0 0 20 0 C C 50 0 5 2 3 Minimum temperature control MTC Setting a minimum desired supply air temperature Enable Setpoint MIN TEMPERATURE CONTROL MTC 18 0 C 5 2 4 Summer night cooling SNC Setting two ...

Page 26: ...peration on demand OOD Setting a critical air quality sensor value The unit starts as soon as this value is exceeded Enable Setpoint OPERATION ON DEMAND OOD 800 ppm 5 2 7 Humidity control HUM 1 Setting a desired relative humidity level Humidity level is set for two different ventilation modes during which this func tion will be used and the desired value will change automatically as the mode chang...

Page 27: ...unit and its assemblies ACTUAL ALARMS ALARM HISTORY OPERATION COUNTERS EFFICIENCY STATUS VAV STATUS CONTROLLER STATUS 5 3 1 Actual alarms This menu item displays relevant messages with identification codes A at the end of the code means that the error is critical and the unit will be stopped until the fault is rectified B at the end of the code means that the message is informa tional and the unit...

Page 28: ...operating meters display operating time of various units and the amount of energy returned by the heat exchanger OPERATION COUNTERS Supply fan operation Air heater operation Exhaust fan operation 366 h 151 h 363 h Recovered energy 2227 kWh Reset Reset Reset Reset 5 3 4 Efficiency status EFFICIENCY STATUS Heat exchanger recovery Heat exchanger thermal efficiency Thermal energy saving 8 6 W 100 5 3 ...

Page 29: ...ful in the event of a failure and may facilitate repair procedures therefore we recommend downloading an operation logbook and handing it over to the authorised service personnel 5 4 Scheduling In this menu the user can set weekly and holiday schedules OPERATION PROGRAM HOLIDAYS Save 5 4 1 Operation program You can set up to twenty operating programs You can assign a desired operating mode day of ...

Page 30: ...Month Year Mode 5 5 Settings Settings menu is intended for user interface configuration Here you can set the time language measurement units computer network settings or change the login password DATE TIME CONNECTIVITY USER INTERFACE Save LOGIN PASSWORD SETTINGS RESET 5 5 1 Date time In this menu item the used can set the time and date of the unit used for various functions and operation by a week...

Page 31: ...ntrol panel air flow meas urement units and the device name that will be displayed in the web browser If one computer is used to control several air handling units we recommend naming every unit differently This will facilitate distinguishing the units Language USERINTERFACE m h Flow units AHU name English Komfovent 5 5 4 Log in password Here you can change your password used to log in to the air ...

Page 32: ...h your mobile device is almost the same as with a C5 1 control panel Screens and settings are so similar that you can follow the chapter C5 1 Control Panel to perform neces sary changes or settings The app language is automatically selected according to the language used in your mobile device and can differ from the language set in your air handling unit Connect the unit to a network router The un...

Page 33: ...7 8 9 0 x Connectivity Default Add new Delete 192 168 0 50 502 Select a row with newly entered settings and press the return button When the app asks you if you want to connect to the selected unit confirm the message Once connected to the unit the main screen and current status of the unit will be displayed on the app Connectivity Default 192 168 0 50 502 Komfovent 123 123 123 502 Add new Delete ...

Page 34: ...nment in which the unit is installed Maintenance intervals may be shorter following the national hygiene norms and specific require ments for ventilation of the premises Locations of all the mentioned device components and notes indicated in the Instal lation Manual Task Frequency Commissioning 3 months 6 months 12 months 7 1 Housing Mechanical damage X X Air tightness and gaskets of the sections ...

Page 35: ...bility may change over time e g settling of foundations regular unit horizontality checks using a level gauge are recommended levelling shall be performed if needed Deviations must not exceed 0 3mm for 1m in the longitudinal direction and 0 5mm for 1m in the transverse direction otherwise sections may warp and loosen their connections Check the unit doors for tightness and if all gaskets or sealan...

Page 36: ... Fans Check whether fans rotate freely without obstructions extraneous noise and vibrations Check the fan frame shock ab sorbers for wear Replace worn out or damaged components if needed Dirt grease or dust may unbalance the impeller and cause additional vibrations as well as shorten the motor service life Impeller shall be cleaned with a damp cloth Motor surfaces shall be cleaned with a dry cloth...

Page 37: ...brations 7 6 Water heater cooler Check for fluid leakage check for proper operation of a check valve and a pump Check threaded connections for tight ness Check operation of an antifreeze protection system Check whether the return water temperature sensor is installed and isolated correctly Check a capillary thermostat if installed for proper operation Dirt from the water coil surfaces shall be rem...

Page 38: ...ks informational messages If you can t find your fault code in the table contact an authorized service representative Code Message Possible cause User s actions 1B Low supply air flow 1 Contaminated air filters 2 Excessive resistance of the air duct system 3 VAV air flow control selected but pressure sensors are not connected 4 Supply air fan not working properly 1 Check air filters and replace if...

Page 39: ... heat exchanger efficiency 1 Heat exchanger efficiency decreased due to unfavourable temperature or humidity conditions 2 One or two faulty temperature sensors inside the unit 3 Air mixing between different flows 1 Message will disappear automatically when the air temperature or humidity changes and efficiency increases 2 Check the readings of the temperature sensors If a sensor s needs to be repl...

Page 40: ...n external device button timer sensor Once the additional device is stopped the unit will operate in normal mode 15A Heat exchanger failure 1 Rotary heat exchanger not rotating 2 Temperature sensors malfunctioning 1 Check for foreign objects or debris preventing rotation of the rotor drum Check if the rotor belt is not torn 2 Contact authorised service 16A Heat exchanger icing Freezing is possible...

Page 41: ...porator not connected or defective Contact authorised service 31A 38A Temperature sensor failure One of the additional zone temperature sensors is faulty or not connected 1 Check if the sensor is connected If a sensor needs to be replaced contact an authorized service representative 2 Check whether the auxiliary temperature zone parameters are configured correctly see Chapter Functions or Addition...

Page 42: ...t breakers 3 Contact authorised service 104A 108A Exhaust fan failure Exhaust air fan or frequency converter not working 1 Check if all wires and cables are connected between the unit sections 2 Check the fan circuit breakers 3 Contact authorised service 109A 113A Rotor drive failure Rotary heat exchanger motor or frequency converter not working 1 Check if all wires and cables are connected betwee...

Page 43: ...tures below show the location of filters on different models of devices Because the devices are manufactured with the right and left access sides and the images show only one access side your device may look different from the one shown Layout of filters and components presented in the Installation Manual RHP 400 V RHP 800 U 1300 U 1500 U RHP 600 U ...

Page 44: ...6 4433 info komfovent lv www komfovent lv Vidzemes filiāle Alejas iela 12A LV 4219 Valmiermuiža Valmieras pagasts Burtnieku novads Tel 371 29 358 145 kristaps zaicevs komfovent com www komfovent lv PARTNERS AT J PICHLER Gesellschaft m b H www pichlerluft at BE Ventilair group www ventilairgroup com ACB Airconditioning www acbairco be CZ REKUVENT s r o www rekuvent cz CH WESCO AG www wesco ch SUDCL...

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