1. Manuals
  2. Brands
  3. Rossato Manuals
  4. Dehumidifier
  5. CN REC 300 IDRO
  6. Instructions for installation, use and maintenance manual

Rossato CN REC 300 IDRO Instructions For Installation, Use And Maintenance Manual

Combined dehumidifiers for radiant systems with high efficient double flow mechanical controlled ventilation
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CN REC 300 IDRO and is the answer not in the manual?

Questions and answers

Related Manuals for Rossato CN REC 300 IDRO

Summary of Contents for Rossato CN REC 300 IDRO

  • Page 2 Even if this manual has been realized with maximum care, mistakes and updates are possible; Rossato Group Srl will not be responsible for inaccuracies and omissions. Contents, images, texts and layout of this document are property of Rossato Group srl and any copy - both total or partial - is forbidden without written authorization.

  • Page 3: Table Of Contents

    5.1 Table of technical data and operation limits 5.2 Air flow and pressure 5.3 Hydraulic circuit pressure drops 5.4 Cooling power ECOdry CN REC 300 and 600 Idro 5.4 Dimensions 6. Installation 6.1 Unit positioning Ecodry CN REC_TEC_EN_6.01 Page 3 of 80 Rossato Group Srl...
  • Page 4 7.5 Unit status menu 7.6 Time bands menu 7.7 Other screens 8.1 Events and faults 8.2 Maintenance table 8.3 Ordinary maintenance 8.4 Extraordinary maintenance 9. Dismantling of the unit 9.1 Environmental protection Ecodry CN REC_TEC_EN_6.01 Page 4 of 80 Rossato Group Srl...

  • Page 5: Introduction

    Rossato Group reserves the right to modify production and the manual, not being obliged to update the previous versions in particular cases.

  • Page 6: Reference Regulations

    Ecodry CN REC- Installation, use and maintenance CAUTION: The first start-up must be carried out only by qualified personnel authorized by Rossato Group. ❏ At the time of installation or when interventions on the unit are required, you must observe the following rules on this manual, follow the directions on-board the unit and apply all appropriate precautions;...

  • Page 7: Unpacking

    ❏ Only use equipment recommended by the manufacturer of the unit. To avoid personal injury, do not use worn, damaged, poor quality or improvised equipment. Ecodry CN REC_TEC_EN_6.01 Page 7 of 80 Rossato Group Srl...

  • Page 8: General Safety Rules

    Apply a sign that indicates: "UNDER MAINTENANCE" on all sides of the unit. Carefully check the unit following the list of operations given in this manual. ❏ Safety plates Generic alarm Danger Burn hazard Danger Danger High voltage Moving parts Sharp injuries Ecodry CN REC_TEC_EN_6.01 Page 8 of 80 Rossato Group Srl...

  • Page 9: Description Of The Unit

    The very high efficient recovery unit ensures performances up to more than 90%. 2.1 Range There are 8 different models, classified according to the dehumidification capacity (300-600 /h) and the function (Idro-Isothermal-Hybrid): CN REC 300 Idro CN REC 300 CN REC 300 DC CN REC 450...

  • Page 10: Air Flows

    4. Intake of renewal air from outdoor 5. Exhausted air expulsion outdoor Airflow rates vary by unit model: Air flow Renewal air flow Model CN REC 300 IDRO 0-130 CN REC 300 0-130 CN REC 300 DC 0-130 CN REC 450...
  • Page 11 The renewal is adjustable on 5 levels, from 1 to 5. The number indicates the percentage of fresh air, for example 2 means ⅖ or 40%. Meaning of the arrows → Expulsion Blue → Renewal Green → Circulation Ecodry CN REC_TEC_EN_6.01 Page 11 of 80 Rossato Group Srl...

  • Page 12: Ecodry Cn Rec 300 And 450

    Ecodry CN REC- Installation, use and maintenance 2.2.1 Ecodry CN REC 300 and 450 1. Only circulation 2. Only exchange: 3. Circulation+exchange: Ecodry CN REC_TEC_EN_6.01 Page 12 of 80 Rossato Group Srl...

  • Page 13: Ecodry Cn Rec 600

    Ecodry CN REC- Installation, use and maintenance 2.2.2 Ecodry CN REC 600 1. Only circulation 2. Only exchange: Ecodry CN REC_TEC_EN_6.01 Page 13 of 80 Rossato Group Srl...

  • Page 14: Structure

    The major part of the panels are removable to allow easy access to the device, although for maintenance access is required from the bottom. Access to filters, fans and recovery unit is possible through the removable panels that allow to operate without any obstacle. Ecodry CN REC_TEC_EN_6.01 Page 14 of 80 Rossato Group Srl...

  • Page 15: Planning Criteria

    180° bending and at the max admitted pressure of safety devices considering adequate safety coefficients. All units have at the exchanger’s base condensation drain basins in stainless steel. Ecodry CN REC_TEC_EN_6.01 Page 15 of 80 Rossato Group Srl...

  • Page 16: Unit Identification

    Ecodry CN REC- Installation, use and maintenance 2.5 Unit identification Ecodry CN REC_TEC_EN_6.01 Page 16 of 80 Rossato Group Srl...

  • Page 17: Main Components

    The ultra-high-efficiency counterflow heat recovery unit maximizes energy exchange between incoming and outgoing air streams allowing maximum energy recovery. Ecodry CN REC_TEC_EN_6.01 Page 17 of 80 Rossato Group Srl...
  • Page 18 The high turbulence induced by plates internal corrugation combined with their perfect sanding avoid dirt deposits. 2.6.7 Solenoid valves Solenoid valves are extensively used to control the liquids flow in case of ON/OFF users. Ecodry CN REC_TEC_EN_6.01 Page 18 of 80 Rossato Group Srl...
  • Page 19 1. Molecular sieve dehydrating filter 2. High pressure switch 3. Schrader valves for control and maintenance NOTE: All images and illustrations are purely examples and may differ by the item installed on the unit. Ecodry CN REC_TEC_EN_6.01 Page 19 of 80 Rossato Group Srl...

  • Page 20: Diagrams Of Devices Disposition

    Ecodry CN REC- Installation, use and maintenance 2.7 Diagrams of devices disposition 2.7.1 Diagram CN REC Idro 2.7.2 Diagram CN REC Ecodry CN REC_TEC_EN_6.01 Page 20 of 80 Rossato Group Srl...
  • Page 21 CIRCULATION DAMPER ACTUATOR DOUBLE EXTERNAL DAMPER [OPTIONAL] EXTERNAL DAMPER ACTUATOR [OPTIONAL] SUPPLY AIR FILTER RECOVERY UNIT AIR FILTER EXTERNAL AIR FILTER HEAT EXCHANGE BATTERY COMPRESSOR HIGH PRESSURE SWITCH ELECTRIC BOARD Ecodry CN REC_TEC_EN_6.01 Page 21 of 80 Rossato Group Srl...

  • Page 22: Options And Functions

    A temperature probe and a suction humidity probe are mounted on the unit. This allows the graphic display to be placed in a technical room and set the ambient temperature and humidity reading from the machine and not from the display. Ecodry CN REC_TEC_EN_6.01 Page 22 of 80 Rossato Group Srl...
  • Page 23 A sound-absorbing sponge is inserted throughout the compressor compartment. This further reduces the noise emitted by the unit during operation. It is available for all models. The accessory must be required when placing the purchase order. Ecodry CN REC_TEC_EN_6.01 Page 23 of 80 Rossato Group Srl...

  • Page 24: Refrigeration And Hydraulic Circuits

    Ecodry CN REC- Installation, use and maintenance 3. Refrigeration and hydraulic circuits Compressor High pressure safety pressure switch Laminating organ Water flow Air flow Ecodry CN REC_TEC_EN_6.01 Page 24 of 80 Rossato Group Srl...

  • Page 25: Electrical Circuits

    4.2 Electrical diagram In the next pages you will find the electrical diagrams of all Ecodry CN REC models. Ecodry CN REC_TEC_EN_6.01 Page 25 of 80 Rossato Group Srl...
  • Page 26 Ecodry CN REC- Installation, use and maintenance 4.2.1 Electrical diagram Ecodry CN REC Idro (hydronic) POWER DIAGRAM ECODRY CN REC IDRO 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 26 of 80 Rossato Group Srl...
  • Page 27 Ecodry CN REC- Installation, use and maintenance CONTROL DIAGRAM OPTIONAL COMPONENTS ECODRY CN REC IDRO 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 27 of 80 Rossato Group Srl...
  • Page 28 Ecodry CN REC- Installation, use and maintenance 4.2.2 Electrical diagram Ecodry CN REC (isothermal) POWER DIAGRAM ECODRY CN REC 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 28 of 80 Rossato Group Srl...
  • Page 29 Ecodry CN REC- Installation, use and maintenance CONTROL DIAGRAM OPTIONAL COMPONENTS ECODRY CN REC 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 29 of 80 Rossato Group Srl...
  • Page 30 Ecodry CN REC- Installation, use and maintenance 4.2.3 Electrical diagram Ecodry CN REC DC (hybrid) POWER DIAGRAM ECODRY CN REC DC 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 30 of 80 Rossato Group Srl...
  • Page 31 Ecodry CN REC- Installation, use and maintenance CONTROL DIAGRAM OPTIONAL COMPONENTS ECODRY CN REC DC 300 - 450 - 600 Ecodry CN REC_TEC_EN_6.01 Page 31 of 80 Rossato Group Srl...

  • Page 32: Technical Data

    Hydronic (Idro) units without water do not freeze, but they can no longer dehumidify, heat and cool. Ecodry CN REC_TEC_EN_6.01 Page 32 of 80 Rossato Group Srl...
  • Page 33 50Pa. 5.1.2 Operating limits The diagram shows the unit operating limits: A Summer B Winter C Winter operating limits extended by installing automatic defrosting of the heat recovery unit [optional] Ecodry CN REC_TEC_EN_6.01 Page 33 of 80 Rossato Group Srl...

  • Page 34: Air Flow And Pressure

    Refer to the installation paragraph for unit calibration. 5.2.1 CN REC 300 supply A = Suggested limit B = Maximum limit 5.2.2 CN REC 300 expulsion A = Suggested limit B = Maximum limit Ecodry CN REC_TEC_EN_6.01 Page 34 of 80 Rossato Group Srl...
  • Page 35 Ecodry CN REC- Installation, use and maintenance 5.2.3 CN REC 450 supply 5.2.4 CN REC 450 expulsion Ecodry CN REC_TEC_EN_6.01 Page 35 of 80 Rossato Group Srl...
  • Page 36 Ecodry CN REC- Installation, use and maintenance 5.2.5 CN REC 600 supply A = Suggested limit B = Maximum limit 5.2.5 CN REC 600 expulsion A = Suggested limit B = Maximum limit Ecodry CN REC_TEC_EN_6.01 Page 36 of 80 Rossato Group Srl...

  • Page 37: Hydraulic Circuit Pressure Drops

    Ecodry CN REC- Installation, use and maintenance 5.3 Hydraulic circuit pressure drops Ecodry CN REC_TEC_EN_6.01 Page 37 of 80 Rossato Group Srl...

  • Page 38: Cooling Power Ecodry Cn Rec 300 And 600 Idro

    5.4 Cooling power ECOdry CN REC 300 and 600 Idro On the abscissae the inlet water temperature, on the ordinates the cooling capacity. The curves are at different recirculation air temperatures. ECOdry CN REC 300 Idro ECOdry CN REC 600 Idro Ecodry CN REC_TEC_EN_6.01...

  • Page 39: Dimensions

    Ecodry CN REC- Installation, use and maintenance 5.4 Dimensions 5.4.1 CN REC 300 (all versions) Ecodry CN REC_TEC_EN_6.01 Page 39 of 80 Rossato Group Srl...
  • Page 40 Ecodry CN REC- Installation, use and maintenance 5.4.2 CN REC 450 (all versions) Ecodry CN REC_TEC_EN_6.01 Page 40 of 80 Rossato Group Srl...
  • Page 41 Ecodry CN REC- Installation, use and maintenance 5.4.2 CN REC 600 (all versions) Ecodry CN REC_TEC_EN_6.01 Page 41 of 80 Rossato Group Srl...

  • Page 42: Installation

    For the dimensions of the panel, it is good practice to consider the accessories attached to the unit such as supply plenum, return plenum, external dampers; and consider the subsequent calibration. Ecodry CN REC_TEC_EN_6.01 Page 42 of 80 Rossato Group Srl...
  • Page 43 Ecodry CN REC- Installation, use and maintenance 6.1.1 Installation of supply plenum on CN REC 300 (all models) [optional] Secure the plenum to the unit with the 4 screws provided. Ecodry CN REC_TEC_EN_6.01 Page 43 of 80 Rossato Group Srl...
  • Page 44 Ecodry CN REC- Installation, use and maintenance 6.1.2 Mounting supply plenum on CN REC 450 (all models) [Optional] Ecodry CN REC_TEC_EN_6.01 Page 44 of 80 Rossato Group Srl...
  • Page 45 Ecodry CN REC- Installation, use and maintenance 6.1.3 Mounting supply plenum on CN REC 600 (all models) [Optional] Secure the plenum to the unit with the 4 screws provided. Ecodry CN REC_TEC_EN_6.01 Page 45 of 80 Rossato Group Srl...
  • Page 46 Leave at least 350 mm on each side to allow for easy removal of filters and access to the unit's electrical panel Provide a removable panel to ensure correct and easy access to the unit (at least the dimensions in plan, including the delivery plenum) Ecodry CN REC_TEC_EN_6.01 Page 46 of 80 Rossato Group Srl...

  • Page 47: Duction

    ❏ maintenance operations or seasonal stand-by. The size and position of the hydraulic connections are shown in the dimension drawings showing the units dimensions. Ecodry CN REC_TEC_EN_6.01 Page 47 of 80 Rossato Group Srl...
  • Page 48 Condensation drain pipe along all its path must have no rising lines. Condensation should always flow without obstacles. The following image presents the recommended implementation of the siphon. Siphon minimum height: A) Higher than 50 mm B) Higher than 50 mm Ecodry CN REC_TEC_EN_6.01 Page 48 of 80 Rossato Group Srl...

  • Page 49: Electric Connections

    The power supply of the unit must be brought to the power terminal block. There are several terminals for each occasion, i.e. 4 for phase, 4 for neutral and 3 for PE; just connect to one of the terminals, the plug-in jumper is already present. Ecodry CN REC_TEC_EN_6.01 Page 49 of 80 Rossato Group Srl...
  • Page 50 The plugs (17-IC) - (18-IC) - (19-IC) - (20-IC) are settable commands; they are 4 digital inlets that can be set to manage different functions. DANGER: Connect only free relais and not in tension! Ecodry CN REC_TEC_EN_6.01 Page 50 of 80 Rossato Group Srl...
  • Page 51 Plugs 11-14 are settable outputs. It’s recommended to set the output as an unit general alarm or dew-point alarm. The command is a free relay. For setting please follow the instructions in the chapter “setting installer parameters”. CAUTION: Ecodry CN REC_TEC_EN_6.01 Page 51 of 80 Rossato Group Srl...
  • Page 52 If polarities are inverted, the display will not switch on. Polarities are indicated on the power board in black plastic (on board) and also on the display’s back. The cable shall be connected to the points shown in the pictures: Ecodry CN REC_TEC_EN_6.01 Page 52 of 80 Rossato Group Srl...
  • Page 53 Respect A and B connections on all the devices in the net and connect on GND joint the shielded conductor To set modbus parameters refer to the installer paragraph in the next pages. More information upon request. Ecodry CN REC_TEC_EN_6.01 Page 53 of 80 Rossato Group Srl...

  • Page 54: First Commissioning, Calibration And Settings

    The image below shows a view of CN REC from below which simulates a real installation and shows air ducts. Ecodry CN REC_TEC_EN_6.01 Page 54 of 80 Rossato Group Srl...
  • Page 55 Before calibrating the units CN REC 300, check that the flange 4 (room air circulation) has not been ducted. If the flange 4 has been ducted, it’s necessary to let air flow easier rotating the internal pierced metal sheet, as in following drawings: Ecodry CN REC_TEC_EN_6.01 Page 55 of 80 Rossato Group Srl...
  • Page 56 In this case the procedure must be done again from phase 1. During editing (parameters highlighted) the program waits for confirmation without exiting. Ecodry CN REC_TEC_EN_6.01 Page 56 of 80 Rossato Group Srl...
  • Page 57 Insert the anemometer in the pipe 3. The flow rate we should read is 130 m /h for CN REC 300, 190 /h for CN REC 450 and 260 m /h for CN REC 600. Ecodry CN REC_TEC_EN_6.01 Page 57 of 80 Rossato Group Srl...
  • Page 58 flow rate on pipe 2 increases and flow rate of hole 4 decreases. ATTENTION: the damper moves slowly, once modified the opening percentage, wait some seconds for a correct placement. Ecodry CN REC_TEC_EN_6.01 Page 58 of 80 Rossato Group Srl...
  • Page 59 At the end of calibration and parameters setting, when the table is filled in, the technician who has made calibration and commissioning shall take note of the set parameters and send them to Rossato to valid warranty. Failure to achieve this, causes the general warranty conditions to expire.
  • Page 60 Ambient probes on the display are always available SCREEN 4 Set the presence/absence of heat recovery defrosting temperature probe SCREEN 5 Set the presence/absence of a CO or VOC sensor Ecodry CN REC_TEC_EN_6.01 Page 60 of 80 Rossato Group Srl...
  • Page 61 flow rate, the airflow on the vents closest to the unit is maintained but the airflow on the vents furthest away is reduced to zero. Ecodry CN REC_TEC_EN_6.01 Page 61 of 80 Rossato Group Srl...
  • Page 62 ‘air treatment activation’, ‘forced air exchange’, ‘air exchange activation’, ‘boost mode activation’, ‘temperature request’, ‘humidity request’, ‘extractor hood function activation’. For each set control it is possible to invert the logic. Ecodry CN REC_TEC_EN_6.01 Page 62 of 80 Rossato Group Srl...
  • Page 63 For the electrical connection and other information, make reference to the dedicated paragraph in the previous pages. The output may be non-active, it can be set as ‘general alarm’ or as a ‘dew-point alarm’. Default: inactive output Ecodry CN REC_TEC_EN_6.01 Page 63 of 80 Rossato Group Srl...
  • Page 64 ATTENTION: When doing the restore, all the user settings are deleted, such as desired temperature, desired humidity, season. Also installer’s parameters are deleted, while calibration parameters and time-bands program are not deleted. Ecodry CN REC_TEC_EN_6.01 Page 64 of 80 Rossato Group Srl...

  • Page 65: Keys

    With the key OFF the unit is turned off By keeping pushed the key EXIT the software version is temporarily showed With the key MENU you enter the user menu Ecodry CN REC_TEC_EN_6.01 Page 65 of 80 Rossato Group Srl...

  • Page 66: User Menu

    With UP and DOWN keys, you slide through the screens (some of them are not always displayed) With EXIT key, you exit and come back to the main screen With OK key, you can execute the function indicated on the screen Ecodry CN REC_TEC_EN_6.01 Page 66 of 80 Rossato Group Srl...
  • Page 67 - press OK to enter in the modification phase - press UP and DOWN to modify and OK to confirm and exit from the modification phase - press EXIT to exit and go back to the main screen Ecodry CN REC_TEC_EN_6.01 Page 67 of 80 Rossato Group Srl...
  • Page 68 - press EXIT to exit and go back to the main screen - press UP to go back to the previous screen - press DOWN to shift to the following screen Ecodry CN REC_TEC_EN_6.01 Page 68 of 80 Rossato Group Srl...
  • Page 69 - press OK to enter the screen with password request - press EXIT to exit and go back to the main screen - press UP to go back to the previous screen Ecodry CN REC_TEC_EN_6.01 Page 69 of 80 Rossato Group Srl...

  • Page 70: Alarms Menu

    Some devices can be optional and their presence depends on the type of the unit; in this case, on the line which refers to the missing device, some traits will be displayed. Ecodry CN REC_TEC_EN_6.01 Page 70 of 80 Rossato Group Srl...

  • Page 71: Time Bands Menu

    - press EXIT to exit and go back to the main screen - Press UP and DOWN to select what to do - Press OK to confirm your choice and access the appropriate screen shown below. Ecodry CN REC_TEC_EN_6.01 Page 71 of 80 Rossato Group Srl...
  • Page 72 Selecting Default Recovery you enter a screen which allows resetting all the values of the time bands. CAUTION: Key’s use: - Pressing for 3 seconds OK, you recover all the values - Pressing EXIT, you go back to the previous screen Ecodry CN REC_TEC_EN_6.01 Page 72 of 80 Rossato Group Srl...

  • Page 73: Other Screens

    - press UP and DOWN to set each number of the password - press OK to turn to the modification of the following value or to confirm Password to enter the installer menu = 0010 Ecodry CN REC_TEC_EN_6.01 Page 73 of 80 Rossato Group Srl...

  • Page 74: Events And Faults

    Probe’s anomaly Check the status of the probe Ambient temperature probe’s alarm (errors may be caused by short-circuit or If the problem is not solved, replace Ecodry CN REC_TEC_EN_6.01 Page 74 of 80 Rossato Group Srl...
  • Page 75 When there are alarms connected with the water probe, you need to turn off the unit and call a qualified technician for the repair. Concrete risk of highly damaging the unit. If you do not turn off the unit, the warranty automatically expires. Ecodry CN REC_TEC_EN_6.01 Page 75 of 80 Rossato Group Srl...

  • Page 76: Maintenance Table

    No water losses from the hydraulic circuit Clamps control on the electrical panel and on the user terminal Heat recovery cleaning Cleaning / replacement of air filters Condensate tray cleaning Heat exchange coil cleaning Ecodry CN REC_TEC_EN_6.01 Page 76 of 80 Rossato Group Srl...

  • Page 77: Ordinary Maintenance

    If the filter is ruined, presents holes or other damages, it is necessary to replace it. Ecodry CN REC_TEC_EN_6.01 Page 77 of 80 Rossato Group Srl...

  • Page 78: Extraordinary Maintenance

    Check that all the clamps are correctly fixed; if not, tighten the screws or the connectors. Check that all the contactors or power relays, if present, are functioning and not-blocked; if not, the substitution is compulsory. Ecodry CN REC_TEC_EN_6.01 Page 78 of 80 Rossato Group Srl...

  • Page 79: Dismantling Of The Unit

    DANGER: Please, pay attention during the maintenance operations, in order to reduce as much as possible the risk of gas leaks. Ecodry CN REC_TEC_EN_6.01 Page 79 of 80 Rossato Group Srl...
  • Page 80 Ecodry CN REC- Installation, use and maintenance Ecodry CN REC_TEC_EN_6.01 Page 80 of 80 Rossato Group Srl...

This manual is also suitable for:

Cn rec 300Cn rec 300 dcCn rec 450Cn rec 450 dcCn rec 600 idroCn rec 600 ... Show all

Table of Contents