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UTEK DEH Manual For Installation, Use And Maintenance

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indoor air quality and energy saving
GUIDE FOR INSTALLATION, USE AND MAINTENANCE
DEH
HEAT RECOVERY VENTILATION UNITS with INTEGRATED
AIR/AIR HEAT PUMP (CLIMATIZATION and DEHUMIDIFICATION

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Summary of Contents for UTEK DEH

  • Page 1 indoor air quality and energy saving GUIDE FOR INSTALLATION, USE AND MAINTENANCE HEAT RECOVERY VENTILATION UNITS with INTEGRATED AIR/AIR HEAT PUMP (CLIMATIZATION and DEHUMIDIFICATION...
  • Page 2 Dear Customer Thanks for your attention to the product UTEK , designed and manufactured to ensure the real values to the User : Quality, Safety and Savings on working. INDEX pag.3 GENERAL pag.3 MAINTENANCE REGULATIONS pag.3 INSTALLATION CONDITIONS pag.3 REMAINING RISKS pag.3...
  • Page 3 The machine can be provided with several signalling picto- countries.UTEK s.r.l. are exempted from any responsibility grams which may not be removed. Said signals can be attributable to damage caused to persons and things...

  • Page 4: Checking For Leakage

    DISASSEMBLY AND ASSEMBLY CHECKING FOR LEAKAGE Before starting any operation, make sure the product is Working and temporarily out of operation applications excluded from any electrical connection and the impeller containing 3kg or more (6kg or more in case of hermetical- is switched off.
  • Page 5 1220 DEH 2 1220 N.B .: DEH and DEH-HYDRONIC: provide 2 siphons, the 2 condensate drains must each have their own siphon; DEH-ENTALPICO and DEH-ENTALPICO-HYDRONIC provide 1 siphon This operation must be performed ONLY BY QUALIFIED STAFF Install the unit through appropriate means (weight from 85 kg to 103 kg) in order to avoid risks during the load handling procedures. Do not stand under the unit until it is completely attached to the ceiling.
  • Page 6 BRACKETS POSITIONING Fix the fixing brackets on the most suitable profile for the installation of the unit. Use screws or rivets to fix the brackets supplied. Then use a suitable dowel or a threaded bar for anchoring the unit to the wall. AREAULIC CONNECTIONS The unit has circular attacks for the connection of the air ducts except the air introduced into the environment which provides a rectan- gular connections.

  • Page 7: Hydraulic Connections

    HYDRAULIC CONNECTIONS The units are equipped with hydraulic circuits that can vary depending on the different versions and applications. The connections on the unit, even in different applications and versions, are always common to all units. - Before that the water enters in to the unit (both user side, both dissipation side ), install always a thick mesh filter (max. 1 mm) - Be sure to observe the flows shown on the plates: IN (incoming water to the unit), OUT (outgoing water from the unit) - Make sure that the weight of the pipes doesn't go to damage the predisposed attacks - Provide shutoff valves in the pipes flow and return pipes to the system...

  • Page 8: Electrical Connections

    POSITIONING AND PROCEDURES OF CONNECTIONS The hydraulic connections are positioned in the front of the unit on side of the entrances of the air inlet ducts. Connections are a diameter 1/2 "for Let compressor version, while 3/4" for the hydronic version. Observe the IN as the unit water inlet and OUT as the water exits the unit.

  • Page 9: Remote Panel Connection

    REMOTE PANEL CONNECTION The installation must be done by trained personnel. For optimum operation, the remote panel must be fixed to a Internal wall, about 1.5 m above the floor, away from heat sources (radiators, stoves etc.) and should not be exposed to direct sunlight. Not should be installed near doors slamming may destroy the electronics.
  • Page 10 MAINTENANCE AND CLEANING OF FILTERS View the video about maintenance in our website www.utek-air.it This operation must be performed ONLY BY QUALIFIED STAFF CAUTION: Before performing any procedure on the unit make sure that there is no voltage PPE: Personal Protective Equipment...
  • Page 11 MAINTENANCE AND CLEANING OF HEAT EXCHANGER ATTENTION! Handle the heat exchanger carefully to avoid accidents. It is strongly recommended the use of gloves and glasses This operation must be performed ONLY BY QUALIFIED STAFF CAUTION: Before performing any procedure on the unit make sure that there is no voltage PPE: Personal Protective Equipment...

  • Page 12: Remote Panel

    REMOTE PANEL MAIN WINDOW The touch-screen control panel has been designed to control Controlled Mechanical Ventilation units with Heat Return (VMC-RC) and Dehumidifier in a simple and intuitive way. The user controls the unit by slightly pressing the graphic display icons; the arrow keys that appear after pressing a changeable parameter enable the user to interact with the unit by scrolling menu items and changing values.

  • Page 13: Fan Speed Control

    The main window is a detailed graphic representation of the machine status, from which all available functions can be activated. Press the menu window change icon to change window and access the other menus. The control enters a stand-by mode (the screen goes off) after one minute of inactivity.

  • Page 14: Booster Function

    In detail, the possible options are as follows: - off: fans are motionless with this option, but watch out that the unit is live anyway; this value is achieved by going below the minimum speed value that can be set; - xxx%: if the unit is equipped with continuously variable speed fans, a fan speed percentage, value can be set starting from the minimum value (factory setting) up to 100% of the available speed with 5% steps (1% on request);...
  • Page 15 Post-heating on Post-heating off Pre-heating Control (Optional) In addition to post-heating, the EVO-PH control can run an electric pre-heating system to prevent the formation of ice in the heat exchanger. The control starts the anti-frost procedure automatically when the temperature detected by the expelled probe (Tx) drops below 3°C.
  • Page 16 Menu selection window The functions listed here below can be accessed from the menu window: - Status; - Alarms; - Configuration STATUS MENU: OPERATING STATUS Display of the Status menu The functions listed here below can be accessed from the menu window: - Status;...
  • Page 18 ALARMS MENU: DISPLAY OF THE ALARM STATUS If the control detects an abnormal status, the latter is indicated in the main control screen by a specific flashing icon and a red writing at the top of the screen (Call service o DirtyFilters). If the alarm is detected when the screen is in stand-by mode, the display flashes at about 10-second intervals.
  • Page 21 Configuration menu / Configuration In this menu it is possible to set the configuration for the touch panel, for an ethernet card (if present) and for the main card. TouchPanel (Installer) Language / Language In this item it is possible to set the current language for the touch panel BusAddress In this item it is possible to set the bus address of the touch panel.
  • Page 22 PROGRAM Menu: Weekly Program Control This menu controls the fan speed (on three levels), which is expressed as a percentage for variable speed machines (or full-scale pressu- re or flow machines without cop/cav kit), in pascal for constant pressure machines, and in m3/h for constant flow machines with kit. Moreover, the air after-treatment (if available) can be enabled/disabled in a different way for each day of the week, by time period (1 to 8 time periods that can be defined by the user in 30-minute steps).
  • Page 23 (Speed level setting). -Heat/Cool/Deh on/off: this parameter is only visible if the control is configured to run an air post-treatment device; enable (on) or disable (off) the air post-treatment device by selecting this line and pressing OK. Scroll the two possible values (on and off) using the arrow keys: press OK when you find the desired value.
  • Page 24 Selecting the copy day function Copy day: selecting the day to be copied After accessing the Copy day page (as displayed in the top left corner of the screen), you can select the day you want to copy the program from using the arrow keys to scroll the various days. After identifying the selected day (Monday in our example), press OK to confirm the copy and you are automatically taken to the simplified display page of the time periods (in our case, the Monday program will have been copied to Tuesday).
  • Page 25 PARAMETERS AVAILABLE IN THE INSTALLER MENU Language With this parameter, you can select the language (except for the Factory always GB ): GB: English language (default) FR: French language ES: Spanish language IT: Italian language NL: Dutch language DE: German language HU: Hungary language DK: Danish language PT: Portuguese language...
  • Page 26 UR sensor The fan speed will be controlled by a relative humidity (RH) sensor with 0-10V output and will have a linear trend between 0 and 100% RH (0V corresponds to 0% RH and 10V corresponds to 100% RH); if the external signal of the RH sensor takes the 0V value, the control will display a problem with the sensor.
  • Page 27 For a unit equipped with 3-speed fans, referring to the second image of the auto ext. signal parameter, after fixing the SP.1,2% and SP.2,3% values (the nominal values at which speed changes from 1 to 2 and from 2 to 3), the appropriate value to be assigned to the parameter can be obtained as follows: AutoMax% This parameter is only available if the auto parameter is set on ext.
  • Page 28 AutoOn ppm This parameter is only available if the auto parameter is set on CO2 VOC and the digital output is configured as auto cmp (Factory menu). 0000->2000 Default value 1000, it is expressed in ppm; for ppm values as read by the CO2 probe higher than the set value, the digital output dedicated changes its status.
  • Page 29 booster If selected, the digital input is used to force (through an impulse given by a button) the fans to work at the maximum speed for a time adjustable in the installer menu (boost min). remote If selected, the digital input is used to force (through the opening of a contact) the fans to stop. humidity If selected, the digital input is used to force the fans to work at the maximum speed if the humidity threshold detected by an NC humidi- stat is exceeded.

  • Page 30: Local Bus

    Communication In this item of menu installer is possible to change configuration parameters of serial card (if installed on the main card): Local bus Address It is the address that you want to assign to the local drive. Termination Represents whether or not the bus software termination is inserted. Put it on if you have problems with communication error. Modbus RTU Default Restore the factory default values.
  • Page 31 Web server A Web server installed allows us to monitor the machine status and change its parameters permanently through the PC. In order for the connection with the Web server to be successful, the initial three fields of the IP address must match. For instance, if your address is 192.168.1.243, the PC address must be 192.168.1.xxx.

  • Page 53: Installation

    * Access limited by password, to modify write before it in register 8559 ** For save writing, set Bit 14 \ 15 of Reg 5 = 1, alternatively web server or touch panel *** 3600/10*ora Installation Installation must be carried out by expert staff. For the best operation, the remote panel must be fixed to an indoor wall about 1.5 m above the floor, far from heating sources (radiators, stoves, etc.), and must be not exposed to direct sun rays.

  • Page 54: Gentile Cliente

    Quality, Safety and Savings on working. Istruzioni originali - Original instructions | dal: - from: 2022/11/19 | Rel: 00 | MANUAL_UK C.L.A. S.r.l. Via Strada Artigianale Angelo Lapsus,310 23036 San Giacomo di Teglio (So) Italy Tel.+39 0342 786116 |utek-air.it | cla-air.it...

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