Condair DC Series Installation And Operation Manual
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Condair DC Series Installation And Operation Manual

Condensing dehumidifier
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INSTALLATION AND
OPERATION MANUAL
Incorporated in this document are the following:
• Declaration of conformity
• Technical manual
• Dimensional drawing
Condensing dehumidifier
DC 270N / DC 350N / DC 450N / DC 550N
Condair DC
DC 750N / DC 950N

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  • Page 1 INSTALLATION AND OPERATION MANUAL Incorporated in this document are the following: • Declaration of conformity • Technical manual • Dimensional drawing Condensing dehumidifier DC 270N / DC 350N / DC 450N / DC 550N Condair DC DC 750N / DC 950N...
  • Page 2 HMA/Z DC-N Thank you for choosing Condair Reproduction, data storage and transmission, even partial, of this publication, in any form, without the prior written authorisation of the Company, is prohibited. The Company can be contacted for all inquiries regarding the use of its products.

  • Page 3: Table Of Contents

    HMA/Z DC-N with temperature control INDEX 1. INTRODUCTION ..................................... 1.1 Preliminary information ..............................1.2 Aim and content of the manual ............................1.3 How to store this manual ..............................1.4 Manual Update .................................. 1.5 How to use this manual ..............................1.6 Potential Risks ................................... 1.7 General Description of Symbols Used ..........................
  • Page 4 HMA/Z DC-N 6.4 How to change the set points ............................6.5 Acoustic signal silencing ..............................6.6 Display during alarm ................................6.7 Alarm reset ..................................7. MAINTENANCE OF THE UNIT ................................7.1 General warnings ................................7.2 Drive access ..................................7.3 Periodical checks ................................7.4 Refrigerant circuit repair ..............................

  • Page 5: Introduction

    HMA/Z DC-N with temperature control 1. INTRODUCTION 1.1 Preliminary information Reproduction, storage or transmission of any part of this publication in any form, without the prior written consent of the Company, is pro- hibited. The unit to which these instructions refer, is designed to be used for the the purposes described and to be operated in accordance with these instructions.

  • Page 6: Potential Risks

    HMA/Z DC-N 1.6 Potential Risks Whilst the unit has been designed to minimize any risk posed to the safety of people who will interact with it, it has not been technically possible to eliminate completely the causes of risk. It is therefore necessary to refer to the requirements and symbolism below: LOCATION OF POTENTIAL RISK METHOD OF INJURY...

  • Page 7: General Description Of Symbols Used

    HMA/Z DC-N with temperature control 1.7 General Description of Symbols Used Safety symbols combined in accordance with ISO 3864-2: BANNED A black symbol inside a red circle with a red diagonal indicates an action that should not be performed. WARNING A black graphic symbol added to a yellow triangle with black edges indicates danger.

  • Page 8: Safety Symbols Used

    HMA/Z DC-N 1.8 Safety symbols used GENERAL RISK Observe all signs placed next to the pictogram. The failure to follow directions may create a risk situation that may be injurious to the user. ELECTRICAL HAZARD Observe all signs placed next to the pictogram. The symbol indicates components of the unit and actions described in this manual that could create an electrical hazard.
  • Page 9 The rating plate may differ from the one shown below as the example is for a standard unit without accessories. For all electrical information not provided on the label, refer to the wiring diagram. An image of the label is shown below: Manufacturer: PD322111 Manufacturer: PD322111 Condair Group AG, Talstrasse 35-37, 8808 Pfäffikon SZ 1HMA.750S-2A 123456 1DC0.075S-2...

  • Page 10: Safety

    HMA/Z DC-N 2. SAFETY The lubricant used is polyester oil. Please refer to the information provided on the compressor data plate. For further information regarding the characteristics of the refrigerant and oil used, refer to the safety data sheets available from the refrigerant and oil manufacturers. Main Ecological Information Regarding the Types of refrigerants Fluids used.

  • Page 11: Prevent Inhalation Of High Vapor Concentration

    HMA/Z DC-N with temperature control 2.5.1 Inhalation A high atmospheric concentration can cause anaesthetic effects with possible loss of consciousness. Prolonged exposure may lead to irregular heartbeat and cause sudden death. Higher concentrations may cause asphyxia due to the reduced oxygen content in the atmo- sphere.

  • Page 12: Technical Characteristics

    HMA/Z DC-N 3. TECHNICAL CHARACTERISTICS 3.1 Unit description trolled or water vapor condensation should be prevented. These units are particularly indicated for archives, ironing rooms, bookstores, cheese factories, underground rooms, cellars and industrial sites where high humidity level is present. This series comprises 6 models which cover a capacity range from 263 to 940 l/24h.

  • Page 13: Accessories

    HMA/Z DC-N with temperature control the use of low rotation speed (and hence low noise) fans. The fans are direct drive, axial type with aluminium aerofoil blades and are com- pressure control. This device maintains a constant condensing pressure, independant of changes in ambient temperature. 3.1.10 Control and protection devices All units are supplied with the following control and protection devices: antifreeze protection sensor, high pressure switch with manual reset, low pressure switch with automatic reset, high pressure safety valve, compressor thermal overload protection, fans thermal overload...

  • Page 14: Technical Data

    HMA/Z DC-N 3.3 Technical data HMA/Z l/24h 263,1 340,2 418,8 566,8 751,1 939,3 l/24h 185,1 262,3 336,3 425,0 596,4 759,7 l/24h 161,4 233,5 302,0 375,7 534,3 680,3 l/24h 111,4 168,5 223,9 267,1 391,0 501,0 l/24h 75,6 118,3 160,9 180,2 269,8 349,6 12,93 16,96...
  • Page 15 HMA/Z DC-N with temperature control 3.3.1 Fans (standard - indoor unit) 3.3.1 Fans DC 270N DC 350N HMA 270 HMA 350 Nominal Nominal 3000 3200 3400 3600 3800 4000 4200 4400 4600 3600 3800 4000 4200 4400 4600 4800 5000 DC 450N DC 550N HMA 450...
  • Page 16 HMA/Z DC-N 3.3.2 E.C. Supply fan (VECE) (accessory - indoor unit) 3.3.2 E.C. Supply fan (VECE) (accessory) DC 270N DC 350N HMA 270 HMA 350 Nominal Nominal 3000 3200 3400 3600 3800 4000 4200 4400 4600 3600 3800 4000 4200 4400 4600 4800...
  • Page 17 HMA/Z DC-N with temperature control 3.3.3 Supply fan Microswitches (Only with VECE - indoor unit) that the displacement of the micro switch from one number to the next or previous leads to an increase/decrease of the available static R1 R10 R2 R3 R4 R5 R6 R7 R8 R9 The use of the minimum speed ( 1 and 2 ) must be carefully evaluated by skilled personnel because the operation at very low fan speed could result in malfunction or even damage to the unit.

  • Page 18: Operation Limits

    HMA/Z DC-N 3.4 Operation limits 15 20 25 30 35 40 45 Room temperature (°C) Outdoor ambient temperature (°C) The units MUST be used within the operation limit indicated in the diagrams (see above). the warranty will be inva- lidated if the units are used in ambient conditions outside the limits reported. If there is the necessity to operate in The units are designed to operate within false ceiling and/or heated technical room.

  • Page 19: Sound Data

    HMA/Z DC-N with temperature control 3.5 Sound data Sound data - indoor unit Modd. dB(A) dB(A) 83,1 74,3 68,2 66,7 65,6 60,2 56,8 47,7 83,9 84,1 75,3 69,2 67,7 66,6 61,2 57,8 48,7 84,9 84,1 75,3 69,2 67,7 66,6 61,2 57,8 48,7 84,9...

  • Page 20: Installation

    HMA/Z DC-N 4. INSTALLATION Before undertaking any task the operator must be fully trained in the operation of the machines to be used and their controls. They must also have read and be fully conversant with all operating instructions. All maintenance must be performed by TRAINED personnel and be in accordance with all national and local regu- lations.

  • Page 21: Inspection

    HMA/Z DC-N with temperature control 4.4 Inspection of the labels on the unit, and to take any possible precautions of the case. Not observing the rules reported on this manual can create dangerous situations. After receiving the unit, immediately check its integrity. The unit left the factory in perfect conditions; any eventual damage must be questioned to the carrier and recorded on the Delivery Note before it is signed.

  • Page 22: Location And Minimum Technical Clearances

    HMA/Z DC-N 4.8 Location and minimum technical clearances The unit has to be installed such that maintenance and repair is possible. The warranty does not cover costs for the provision of lifting apparatus, platforms or other lifting systems required to perform repairs during warranty period. The installation site should be chosen in accordance with EN 378-1 and 378-3 standards.
  • Page 23 HMA/Z DC-N with temperature control 4.9.1 How to remove the drip tray MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...

  • Page 24: Refrigerant Connections For Z Version

    HMA/Z DC-N The remote condenser is equipe of a main switch and a fan speed control. Please refer to the following paragraphers for the refrigerant connections and to the next chapter for the electrical ones. 4.11.1 Line path and max distance between the sections and by the structure of the building.

  • Page 25: Refrigerant Diameters Lines For Version Z

    HMA/Z DC-N with temperature control Distance [m] Liquid Liquid Liquid Mod. [mm] [mm] [mm] [mm] [mm] [mm] 16 x 1,0 12 x 1,0 16 x 1,0 12 x 1,0 16 x 1,0 12 x 1,0 16 x 1,0 12 x 1,0 16 x 1,0 12 x 1,0 18 x 1,0...

  • Page 26: Refrigerant Schema

    HMA/Z DC-N 1 CH 1 CH Ø Ø Ø Ø Ø Ø Ø Ø Charging plug Centrifugal fan Charging plug High pressure pressostat Condenser Low-high pressure switch Evaporator Shut off valve Termostatic valve Check nvalve Hot gas by-pass solenoid valve Moisture indicator sight glass Solenoid valve for external condenser Liquid receiver...

  • Page 27: Installation Of Built-In Room Electronic Sensor (Rgdd)

    HMA/Z DC-N with temperature control 4.14 Installation of built-in room electronic sensor (RGDD) 4.15 Serial interface card RS485 (INSE) Supervision system interface serial board (MODBUS RS485 available only)The installation of the card will allow the unit to be plugged in and connected to a system with MODBUS protocol.

  • Page 28: Connecting The Unit To Air Duct Channels

    HMA/Z DC-N Units can be connected to air ducts channels either form the return and supply side. 4.16.1 Supply duct connection In order to limit the noise, it is necessary that the air speed inside ducts would never exceed 4 m / sec. With crossing in order to reduce the transmission of vibrations ASLE ASRI...

  • Page 29: Fan Positioning

    HMA/Z DC-N with temperature control 4.16.2 Return duct connection with FARC option In case of return duct installation it is necessary the use of accessory FARC, a metallic frame that allow the slide In all units the supply fan can be oriented in 3 different directions. The operation has to be carried out exclusively in the factory. Standard ASRI ASVE ASLE...

  • Page 30: Electric Connections: Preliminary Safety Information

    HMA/Z DC-N The electric panel is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found. To access the electrical board, remove the front panel of the unit: Power connections must be made in accordance to the wiring diagram enclosed with the unit and in accordance to the norms in force.

  • Page 31: Electrical Data

    HMA/Z DC-N with temperature control 4.19 Electrical data The electrical data reported below refer to the standard unit without accessories. In all other cases refer to the data reported in the attached electrical wiring diagrams. please contact our Company. Model Power supply 400/3/50 400/3/50...

  • Page 32: Electric Connections

    HMA/Z DC-N 4.21 Electric connections The numbering of the terminals may change without notice. For their connection is mandatory to refer to the wiring diagram supplied along with the unit. All terminals referred to in the explanations below will be found on the terminal board inside the electrical box. All electric connections mentioned below have to be made by the installer, on site.

  • Page 33: Unit Start Up

    HMA/Z DC-N with temperature control 5. UNIT START UP 5.1 Preliminary checks Before starting the unit the checks detailed in this manual of the electric supply and connections, the hydraulic system and the refrigerant circuit, should be performed. Start-up operations must be performed in accordance with the instructions detailed in the previous paragraphs. 5.1.1 Before start-up Damage can occur during shipment or installation.

  • Page 34: Description Of The Control Panel

    HMA/Z DC-N 5.2 Description of the control panel % RH 5.2.1 Display icons The instrument display is divided into three zones: Left Zone: the display shows the icons, :the display shows room temperature. : the display shows room humidity. Icon Meaning Icon Meaning...

  • Page 35: Remote Control Panel

    HMA/Z DC-N with temperature control 5.3 Remote control panel 5.3.1 Display icons The instrument display is divided into three zones: Left Zone: the display shows the icons, :the display shows ambient temperature. : the display shows ambient humidity. Icon Meaning Icon Meaning Not used.
  • Page 36 HMA/Z DC-N In standard mode, with electronic sensor installed, allows the display of the following icons: 1 click: The bottom line displays Tamb: room temperature. 2 clicks: The bottom line displays rH: room humidity. In standard mode with mechanical thermostat/hygrostat, allows the display of the following icons: the top line displays the label TOn (room temperature request) or TOff (room temperature in set).

  • Page 37: Use

    HMA/Z DC-N with temperature control 6. USE 6.1 Switch the unit on % RH Not used. Icon ON: function menu active. Icon ON: if fans are running. Icon ON: Electric heater or water valve activated. Icon ON: if the compressor is turned on; Not used.
  • Page 38 HMA/Z DC-N In order to power the unit, turn the main switch to the ON position. a. In case of electronic sensor the display shows room humidity (in the bottom line). b. In case of remote mechanical thermostat/hygrostat the display shows tOFF/UOFF (temperature/humidity off, unit in set) or tOn/UOn (temperature/humidity on, unit running).

  • Page 39: Stop

    HMA/Z DC-N with temperature control 6.2 Stop to stop the unit press the key for 5 seconds. The unit goes into stand-by mode. 6.3 Stand-by When the unit is switched off from keyboard or remote control panel, it goes into stand-by mode. In this mode the microprocessor control displays the sensor readings and is also able to manage alarm situations.

  • Page 40: Alarm Reset

    HMA/Z DC-N Pressing and releasing one of the keys; the buzzer is switched off, even if the alarm condition remains in place. In case of alarm the display shows: • , (the bottom line of the display shows the alarm code in alternatively to the standard label. 6.7 Alarm reset Press the key (the menu AlrM appears at the bottom right of the display).

  • Page 41: Drive Access

    HMA/Z DC-N with temperature control It is advisable to maintain a record book for the unit which details all operations performed on the unit as this will facilitate troubleshooting. Maintenance must be performed in compliance with all requirements of the previous paragraphs. Use personal protective equipment required by regulations as compressor casings and discharge pipes are at high 7.2 Drive access Access to the unit once installed, should only be possible to authorized operators and technicians.

  • Page 42: Decommissioning

    HMA/Z DC-N If the refrigerant circuit is to be emptied, all the refrigerant must be recovered using the correct equipment by For leak detection, the system should be charged with oxygen free nitrogen using a gas cylinder and suitable nitrogen pressure regulator, Never use oxygen instead of oxygen free nitrogen: explosions may occur.

  • Page 43: Raee Directive (Only Ue)

    HMA/Z DC-N with temperature control 8.3 RAEE Directive (only EU) • The RAEE Directive requires that the disposal and recycling of electrical and electronic equipment must be handled through a special collection, in appropriate centers, separate from that used for the disposal of mixed urban waste. •...
  • Page 44 HMA/Z DC-N HMA/Z 270 - 350 - 450 DC 270N - 350N - 450N 1352 1378 MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 45 HMA/Z DC-N with temperature control HMA/Z 550 - 750 - 950 DC 550N - 750N - 950N 1750 77,5 1750 MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 46 HMA/Z DC-N HMA/Z 270 - 350 - 450 (FARC) DC 270N - 350N - 450N (FARC) MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 47 HMA/Z DC-N with temperature control HMA/Z 550 - 750 - 950 (FARC) DC 550N - 750N - 950N (FARC) MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 48 HMA/Z DC-N HMA/Z 270 - 350 - 450 (Outdoor Unit) DC 270N - 350N - 450N (Outdoor Unit) MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 49 HMA/Z DC-N with temperature control HMA/Z 550 - 750 (Outdoor Unit) DC 550N - 750N (Outdoor Unit) MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...
  • Page 50 HMA/Z DC-N HMA/Z 950 (Outdoor Unit) DC 950N (Outdoor Unit) MTEC.6710.GB-A-1 Operation and maintenance manual HMA/Z series English Rev. A 07-2017...

  • Page 51: Eu Declaration Of Conformity

    HMA/Z DC-N with temperature control 11 . EU DECLARATION OF CONFORMITY Condair Group AG DICHIARAZIONE DI CONFORMITÀ UE Talstrasse 35-37 EU DECLARATION OF CONFORMITY Switzerland www.condair.com Data/Date Macchina Modello / Unit Model Numero di serie / Serial number issuing date...
  • Page 52 CH94/0002.00 Technical data shown in this booklet are not binding. Die technischen Daten in diesem Handbuch sind nicht verbindlich. Die Firma hat das Recht, jederzeit notwendige Änderungen einzuführen, um das Produkt zu verbessern. The reference languages for the whole documentation are Italian and English. The other languages are to be considered only as guidelines.

This manual is also suitable for:

Dc 270nDc 350nDc 450nDc 550nDc 750nDc 950n

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