CLIVET MR-DX 17 Installation, Operation And Maintenance Manual

CLIVET MR-DX 17 Installation, Operation And Maintenance Manual

Direct expansion close control unit with remote condenser

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DIRECT EXPANSION
CLOSE CONTROL UNIT WITH
REMOTE CONDENSER
THIS MANUAL CONTAINS THE FOLLOWING SECTIONS WHICH ARE TO BE CONSIDERED AN INTEGRAL PART
G4D2GB-3
General Information
M4D2GB-3
Routine maintenance
The contents of this manual are designed to assure the
correct installation, adjustment and maintenance of the unit;
therefore:
- read the instructions with due care and attention;
- the appliance must be installed, tested and serviced by
properly qualified personnel (law n.45, 5.3.1990) licensed in
accordance with established legislation.
• The manufacturer declines all liability, and guarantee
coverage is automatically waived, if electrical and/or
mechanical modifications are made to the unit. Tampering
and unauthorized repairs or modifications to the unit will
automatically void the guarantee.
• Observe the safety regulations in force at the time of
installation.
• Make sure that the characteristics of the mains network
conform to the data on the serial number plate inside the
electrical panel.
The manufacturer declines all liability for direct or indirect damage to property or injury
to persons resulting from failure to adhere to the instructions in this manual.
This unit has been especially designed and manufactured so to prevent any risk to persons and health hazard.
For this reason, design solutions fit to eliminate (where possible) any cause of risk and sensibly reduce the probability of
danger have been adopted.
Please refer to the Residual risks section of this manual and strictly observe the behaviour prescriptions listed there in
order to prevent any possible risk that hasn't been possible to avoid in the design stage.
MR-DX
GENERAL
OF THE WHOLE AND ARE THEREFORE NOT TO BE DETACHED
R4D2GB-3
Reception
Electrical connections
L4D2GB-3
Water connections
Refrigerant pipes
IMPORTANT
ADDITIONAL SAFETY PRECAUTIONS
C. Art. M24D40G3-03
17-25-31-41-61-71-81
INSTALLATION,
OPERATION AND
MAINTENANCE MANUAL
E4D2GB-3
F4D2GB-3
P4D2GB-3
N4D2GB-3
• Conserve this manual and the circuit diagram with care.
Make sure that they are available for consultation by the
operator whenever necessary.
• Packing materials (plastic wrappings, expanded polystyrene,
nails, etc.) are potentially hazardous and must be kept out of
reach of children. Recycle packing materials in accordance
with local bylaws.
• The water chiller must be used only for the purpose for
which it is designed. The manufacturer bears no responsibility
in the case of applications other than the specified use.
• Disconnect the unit in the case of breakdowns or
malfunctions.
• If repairs are necessary use only Clivet-approved service
centres and always insist on original spare parts.
The use of non-original parts and/or unauthorized service
centres may result in unsafe operation of the unit.
C4D2GB-3
Start-up
Controls
K4D2GB-3
Air filters
Residual risks
G4D2GB-33

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Summary of Contents for CLIVET MR-DX 17

  • Page 1 • Observe the safety regulations in force at the time of • If repairs are necessary use only Clivet-approved service installation. centres and always insist on original spare parts. • Make sure that the characteristics of the mains network...
  • Page 2 GENERAL SPECIFICATIONS Sizes Standard voltage 400/3/50 Cooling capacity (1) kW 12.5 17.0 19.1 23.2 Sensible capacity (1) kW 11.2 14.6 15.5 21.4 Compr.input power (1) kW Compressor type Scroll N° of compressors Total oil quantity 1.00 1.10 1.10 1.85 1.65 1.65 Handling zone 0.36...
  • Page 3 POSITIONING The units are designed for indoor installation. • Make sure that the supporting surface is perfectly level and able to bear the full weight of the unit (see general specifications). Interpose a layer of rubber sheeting between the base of the unit and the supporting surface (to reduce noise and vibration). •...
  • Page 4 AIR INTAKE CONFIGURATIONS Possible configurations: 1 = outlet downwards with intake from the front (M3 or D) 2 = outlet upwards with intake from the front (M5 or U) WARNING: When positioning the unit, leave enough space at the front to inspect the air filters and all the components subject to checks.
  • Page 5 AIR OUTLET DIMENSIONS SEZ. A-A SEZ. B-B 17-25-31/41 61-71/81 I = air outlet downwards II = air outlet upwards Sizes Dimensions 17-25-31 61-71 1130 1370...
  • Page 6 REMOVAL OF THE PANELS Legend: 1) outlet grill for the version with outlet upwards 2) to remove the side panels, unscrew the 4 inner screws 3) right side panel 4) service panel (can be drilled for connections) 5) service connection 6) inside bottom panel 7) outside bottom panel 8) outside top panel (single piece with the outside bottom panel for sizes 17-25-31-41)
  • Page 7 UNIT WITH ONE FAN, INSIDE VIEW (17-25-31-41) Legend: control panel 13) flow differential pressure switch main isolator switch 14) filter differential pressure switch (optional) LCD display 15) liquid line solenoid valve (optional) electrical panel 16) dewatering filter humidity probe (optional) 17) bypass cock inlet air temperature probe 18) hot water control valve...
  • Page 8 UNIT WITH TWO FANS, INSIDE VIEW (61-71-81) Legend: control panel 13) flow differential pressure switch main isolator switch 14) filter differential pressure switch (optional) LCD display 15) liquid line solenoid valve (optional) electrical panel 16) dewatering filter humidity probe (optional) 17) bypass cock inlet air temperature probe 18) hot water control valve...
  • Page 9 OUTLET PLENUM (optional) I = air outlet from the front II = air outlet on 3 sides Sizes Dimensions A x B x C 17-25-31 750 x 490 x 450 925 x 490 x 450 61-71 1250 x 490 x450 1500 x 490 x450 The grills are double row (vertical - horizontal) and can be oriented as desired.
  • Page 10 ASSEMBLY OF THE OUTLET PLENUM Assembly phases: unscrew the screws fastening the front grill fasten the plenum to the unit at the points indicated in the figure, using the fastening screws supplied replace the front grill...
  • Page 11 ADJUSTABLE SUPPORT FRAME (optional) Available in two heights, 300-500 mm and 500-700 mm G R A N D E Z Z E D I M E N S IO N I DIMENSIONS SIZES 7 0 0 x 4 9 0 x H 1 7 -2 5 -3 1 8 7 5 x 4 9 0 x H 1 2 0 0 x 4 9 0 x H...
  • Page 12 1800 CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - sito web: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 13 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER RECEPTION CONTENTS: 1.0 - INSPECTION UPON DELIVERY 2.0 - HANDLING 2.1 - HANDLING using a FORK LIFT TRUCK or SIMILAR 2.2 - HOISTING using a CRANE or SIMILAR 3.0 - STORAGE 4.0 - REMOVING THE PACKING 5.0 - POSITIONING 1.0 - INSPECTION UPON RECEIPT...
  • Page 14 CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel (0439) 3131 - Fax (0439) 313300 – Web site http://www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 15 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER ROUTINE MAINTENANCE CONTENTS: 1.0 - ROUTINE MAINTENANCE 1.4 - AIR DUCTING 1.5 - FANS 1.1 - UNIT 1.6 - HUMIDIFIER 1.2 - WATER SYSTEM 1.7 - HEATERS 1.3 - ELECTRICAL SYSTEM IMPORTANT MAKE SURE THE UNIT IS NOT CONNECTED TO THE POWER SUPPLY BEFORE STARTING ANY MAINTENANCE OR CLEANING OPERATIONS...
  • Page 16 1.6. - HUMIDIFIER 1.6.1 - Components to be checked or replaced The steam humidifier has only one part that requires periodical replacement: the steam production cylinder. This operation is necessary when the lime scale that forms inside the cylinder prevents the sufficient flow of current. This situation is signalled on the control board by the LEVEL LED, which flashes.
  • Page 17 4) - Remove the heaters D. CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - Web site: www.clivet.com The data contained in this manual is not binding and may be changed by the manufacturer without prior notice. All reproduction, even partial, is prohibited.
  • Page 18 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER START-UP CONTENTS: 1.0 - PRELIMINARY CHECKS 2.0 – STARTING THE UNIT 1.1 - ELECTRICAL PANEL 4.0 – SET POINT AND INTERFACE 1.2 - COMPRESSORS 1.0 - PRELIMINARY CHECKS IMPORTANT: The following operations must only be performed by - Check that the unit is positioned correctly and that the suitably trained and authorised personnel.
  • Page 19 Dehumidification active (optional) CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel (0439) 3131 - Fax (0439) 313300 - sito web http://www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 20: Table Of Contents

    DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER CONTROLS CONTENTS: 1.0 – DISPLAY AND KEYPAD 2.0 - ALARMS 1.1 - THE DISPLAY 2.1 - MANUAL, AUTOMATIC ALARMS AND RESET 1.2 - OPERATING SIGNALS 2.2 - SHUT-DOWN SIGNAL 1.3 - THE KEYPAD 2.3 - OPTIONAL ALARMS 1.4 - MODIFYING THE PARAMETERS 2.4 - DIAGNOSTICS...
  • Page 21: The Keypad

    1.3 - THE KEYPAD r4 Temperature dead zone Used to set the dead zone (see diagrams at the end of ON/OFF: Switches the status of the unit; if on, the paragraph). When the air inlet temperature is inside pressing the button places it in Standby; vice-versa, the dead zone, all the actuators are off, except for when it is reactivated.
  • Page 22: Diagrams

    1.7 - DIAGRAMS The diagram to the side highlights the operation of Temperature control diagram the compressor and the heaters to bring the temperature from outside the limits r2 and r3 to limit r4. In cooling mode, the compressor starts operating at the end of r2, across the entire band, until the temperature returns inside the dead zone r4.
  • Page 23: Alarms

    Temperature control diagram -{}- The post-heating hot gas coil, unlike the other heating actuators, starts when the temperature is below the set point and the machine is operating in dehumidification mode. The Dehumidification two conditions, temperature and humidity, are controlled at only the same time.
  • Page 24: Diagnostics

    2.4 - DIAGNOSTICS Table 2 Alarm Code Description Delay Reset Sys Fan Hum. Deh. relay Intake temperature probe 1 min. Autom. Humidity probe 1 min. Autom. Outlet temperature probe 1 min. Autom. Er:E EEPROM boot immed. Autom. EEPROM run immed. Autom.
  • Page 25 (if enabled). CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - sito web: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 26 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER AIR FILTERS IMPORTANT BEFORE STARTING TO CLEAN THE AIR FILTERS CHECK THAT THE UNIT POWER SUPPLY IS DISCONNECTED Controlling the condition of the filters is a routine maintenance, its frequency depends on the environment in which the unit is installed.
  • Page 27 - Replace the grille or front panel and restart the unit. CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - sito web: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 28 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER ELECTRICAL CONNECTION CONTENTS: 1.0 - ELECTRICAL PANEL 2.0 - MAINS POWER CONNECTION 3.0 - CONNECTIONS PERFORMED BY THE CUSTOMER 4.0 – CONNECTING A SERIES OF UNITS (OPTIONAL) 5.0 - SERIAL CONNECTION (OPTIONAL) IMPORTANT BEFORE PERFORMING ANY OPERATIONS ON THE ELECTRICAL SYSTEM, MAKE SURE THAT THE POWER SUPPLY TO THE UNIT IS DISCONNECTED UPSTREAM.
  • Page 29 ELECTRICAL DATA MR-DX SIZE Total 6,82 8,83 9,67 13,42 17,33 20,15 26,1 Compressor C1 400/3/50 3,82 5,83 6,67 7,72 11,33 14,15 14,65 F.L.A. 11,4 (N. 2 Outlet fans 230/1/50 (N. 1 DDM (N. 1 DDM (N. 1 DDM (N. 1 DDM (N.
  • Page 31 Figure 2 – connection to the remote condenser –...
  • Page 32 4.0 - CONNECTING A SERIES OF UNITS (OPTIONAL) This configuration allows the timed rotation of a unit defined as standby in a group with a maximum of 6 units. If an alarm is activated on one of the units in operation, the unit in standby is started. This function is performed using a digital input and output that from the “master”...
  • Page 33 Fig. 5 CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - sito web: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 34 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER REFRIGERANT PIPES CONTENTS: 2.2 - CLEARANCE 1.0 - REFRIGERANT PIPES 2.3 - CR CONDENSERS WITH VERTICAL AIRFLOW 1.1 - DISCHARGE PIPE 2.4 – CR CONDENSERS WITH HORIZONTAL AIRFLOW 1.2 - LIQUID PIPE 2.5 –...
  • Page 35: Discharge Pipe

    1.1 - DISCHARGE PIPE RECOMMENDED PIPE SIZE IN MM (R407C/R22) MODEL EQUIVALENT PIPE LENGTH 8 meters 15 meters 23 meters 30 meters MR DX 17 MR DX 25 MR DX 31 MR DX 41 MR DX 61 MR DX 71 MR DX 81 Table 3 1.2 - LIQUID PIPE...
  • Page 36 - In the horizontal sections, create an incline towards the flow of the gas, to assist the flow of the oil (incline of 0.5%). - When installing the liquid and discharge lines together, these should be separated by at least 50 mm. In horizontal sections, the discharge line must be above the liquid line.
  • Page 37: Connection To The Remote Condensers

    2.0 - CONNECTION TO THE REMOTE CONDENSERS 2.1 - POSITIONING When using a forklift, check that the forks protrude from the opposite side of the remote condenser and do not damage the unit, as this may not be protected (see Figure 2.11). If necessary, lift the unit with a crane, use a suitable lifting bar hooked to the fittings, as shown in Figure 2.12.
  • Page 38: Cr Condensers With Vertical Airflow

    2.3 - CR CONDENSERS WITH VERTICAL AIRFLOW Key: -control panel -fan speed controller -isolating switch -condenser coil and subcooling circuit -hot gas inlet -liquid outlet -inlet and outlet of the subcooling circuit -fan protection grill (FE050 – 500mm in diameter) -supports (delivered separately) 10.
  • Page 39: Cr Condensers With Horizontal Airflow

    2.4 – CR CONDENSERS WITH HORIZONTAL AIRFLOW Key: -control panel -fan speed controller -isolating switch -condenser coil and subcooling circuit -hot gas inlet -liquid outlet -inlet and outlet of the subcooling circuit -fan protection grill (FE050 – 500mm in diameter) -supports (delivered separately) 10 -position for lifting hooks ( 2xM12) 11 -electrical cable inlet...
  • Page 40: Connection Diagram

    * Supplied with the receiver kit for low temperatures CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - Web site: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 41 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER RESIDUAL RISKS CONTENTS: 1.0 - DEFINITION OF DANGEROUS AREA 2.0 - GENERAL RISKS 3.0 - COOLANT SAFETY DIAGRAMS WARNING THIS SPECIFIC SECTION OF THE MANUAL POINTS OUT EACH OPERATION WHICH BRINGS WITH IT A POSSIBLE RISKY SITUATION AS WELL AS ALL THE PARTICULAR PRECAUTIONS TO OBSERVE.
  • Page 42 2.0 - GENERAL RISKS Particular area Danger Modality Instructions Heat exchanger coils Superficial wounds Contact Avoid incidental contacts. Wear protective gloves. Area surrounding the unit Wounds Explosion due to a rise Never shut the compressors inlet/outlet Intoxication in ambient temperature valves when the unit is off.
  • Page 43 Manipulation and storage Technical measures/precautions. Technical measures/precautions. Form of storage and manipulation applicable to the products: Form of storage and manipulation applicable to the products: PRESSURIZED GAS. PRESSURIZED GAS. Ensure adequate ventilation and evacuation for the level of Ensure adequate ventilation and evacuation for the level of equipment.
  • Page 44 CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel (0439) 3131 - Fax (0439) 313300 - sito web http://www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.
  • Page 45 DIRECT EXPANSION MR-DX 17-25-31-41-61-71-81 CLOSE CONTROL UNIT WITH REMOTE CONDENSER WATER CONNECTIONS CONTENTS: 1.0 - CONDENSATE DRAIN CONNECTIONS 2.0 - HUMIDIFIER FILL AND DRAIN CONNECTIONS 3.0 - CONNECTION OF THE 1 ROW HOT WATER COIL ( OPTIONAL ) 4.0 - POSITION AND DIAMETER OF THE CONNECTIONS 1.0 - CONDENSATE DRAIN CONNECTIONS The units are supplied with a transparent plastic condensate drain pipe.
  • Page 46 3.0 - CONNECTION OF THE 1 ROW HOT WATER COIL ( OPTIONAL ) The water inlet and outlet are made using open copper pipes, with the diameters shown in the table in par. 4. The 3-way control valve is installed at the outlet of the coil, and is connected with a bypass to the water inlet. Figure 2 The coil is installed downstream of the cooling coil, and is fitted with an air bleed valve and water discharge valve (see Figure 2)
  • Page 47 1 ROW HOT WATER COIL PERFORMANCES Size Inlet air IN/OUT WATER TEMPERATURE (°C) °C 80/70 80/60 80/70 80/60 80/70 80/60 80/70 80/60 80/70 80/60 80/70 80/60 80/70 80/60 12.7 11.0 12.7 11.0 18.3 15.9 11.6 10.0 11.6 10.0 16.8 14.4 10.5 10.5 15.2...
  • Page 48 (optional) CLIVET S.p.A. - Z. I. 32030 VILLAPAIERA - FELTRE (BL) Italy - Tel 0439 3131 - Fax 0439 313300 - sito web: www.clivet.com The information presented in this manual is not binding and may be changed by the manufacturer without notice. All rights reserved.

This manual is also suitable for:

Mr-dx 25Mr-dx 31Mr-dx 61Mr-dx 41Mr-dx 71Mr-dx 81

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