CLIMAVENETA WWR MTD - MTD/s, BWR MTD - MTD/s Installation And User Manual
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CLIMAVENETA WWR MTD - MTD/s, BWR MTD - MTD/s Installation And User Manual

Reverse-cycle water/water or ground source heat pumps installation, user, maintenance manual
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Installation - USER - MAINTENANCE MANUAL
Reverse-cycle water/water or ground
GB
source heat pumps with domestic hot
water production up to 55°C
WWR MTD - MTD/s
BWR MTD - MTD/s
0011÷0121

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Summary of Contents for CLIMAVENETA WWR MTD - MTD/s, BWR MTD - MTD/s

  • Page 1 INSTALLATION - USER - MAINTENANCE MANUAL Reverse-cycle water/water or ground source heat pumps with domestic hot water production up to 55°C WWR MTD - MTD/s BWR MTD - MTD/s 0011÷0121...

  • Page 2: Table Of Contents

    INDEX U I A General warnings General technical data U I A Waiver of liability Sound pressure U I A Fundamental safety rules Operating limits Receiving and handling the product Checking and starting up the unit Description of the unit HSW12 functions Dimensional drawings LEDs and display...
  • Page 3 U I A WAIVER OF LIABILITY This publication is the sole property of Climaveneta. Any All work must be performed, components selected and reproduction or disclosure of such is strictly prohibited with- materials used in complete accordance with the legislation out the written authorisation of Climaveneta.
  • Page 4 RECEIVING AND HANDLING THE PRODUCT When the items are consigned by the carrier, check that the packaging and the unit are undamaged. If damage or missing components are noted, indicate this on the delivery note. A formal complaint should be sent via fax or registered post to the After Sales Department within eight days from the date of receipt of the items.
  • Page 5 DESCRIPTION OF THE UNIT The reverse-cycle water-water units for groundwater and The units are CE marked, as established by the EU direc- brine-water units for geothermal loops operate with R410A tives, including the latest amendments, and the correspond- refrigerant fluid and are suitable for indoor installation. ing approximated national legislation.
  • Page 6 DIMENSIONAL DRAWINGS 40 0 5 0 0 0041-0061 0071-0121 DISTANCE BETWEEN SUPPORT FEET CLEARANCE 6 0 0 6 0 0 VERSION 0071-0121 male fittings G1-1/4 VERSION 0041-0061 male fittings G1-1/4 positions the same for 0011-0031 VERSION 0011-0031 VERSION 0071-0121 male fittings G3/4 male fittings G1-1/4 5 4 7 6 8 0...

  • Page 7: General Technical Data

    Construction of a bypass is recommended to enable the Climaveneta cannot be held liable for any damage to the pipes to be washed through without having to disconnect unit and/or the system following the failure to install these the unit (see drain valves).
  • Page 8 Utility water circuit connection diagram (WWR - BWR) Factory connections Installer connections UTILITY RETURN UTILITY OUTLET Pressure gauge Flow switch Expansion vessel 13 Differential pressure switch Vibration damper joint Thermometer 10 Wire mesh filter 14 Drain / chemical washing valve Shut off valve Pump 11 Fill / top-up...
  • Page 9 Heat exchange circuit water connection diagram (BWR) Factory connections Installer connections GROUND SOURCE LOOP RETURN GROUND SOURCE LOOP OUTLET Pressure gauge Flow switch Expansion vessel 13 Differential pressure switch Vibration damper joint Thermometer 10 Wire mesh filter 14 Drain / chemical washing valve Shut off valve Pump 11 Fill / top-up...
  • Page 10 EMPTYING THE SYSTEM If the fluid in the circuit contains antifreeze, it should not - Before starting to empty, place switch be allowed to drain freely, as it is pollutant. QF1 in the OFF position It should be collected for possible reuse. - Make sure the system fill/top-up water When draining after heat pump operation, take care as valve is closed...
  • Page 11 System pump curves for WWR and BWR MTD Source pump curves for BWR MTD 5,5 [m/s] 5,5 [m/s] Wwr-Bwr MTD 0101-0121 Wwr-Bwr MTD Bwr MTD 0121 0071-0091 Bwr MTD 0071-0091-0101 Wwr-Bwr MTD 0031-0041-0051-0061 Wwr-Bwr MTD Wwr-Bwr MTD 0011-0021 Bwr MTD 0025 0041-0051-0061 16 [m...
  • Page 12 7 DHW storage 12 Underfloor system control not sup- 16 Wired remote keypad 3 Control valve with dial 8 Storage temperature sensor BT5 plied by Climaveneta. 17 Electric heater 4 Shut off valve 9 Thermostatic valve 13 System storage 5 Expansion vessel (if necessary)
  • Page 13 12 Underfloor system control not sup- 16 3-way valve, domestic hot water production 3 Control valve with dial 8 Storage temperature sensor BT5 plied by Climaveneta. 17 Wired remote keypad 4 Shut off valve 9 Thermostatic valve 13 System storage...
  • Page 14 ELECTRICAL CONNECTIONS The units leave the factory fully wired. Installation is limited For electrical connections, use double insulation cable to connection to the mains electrical supply and connection in conformity with legislation in force in the country of the flow switch and chiller thermal overload switch QF1 where the unit installed..
  • Page 15 BWR MTD Electrical data at maximum conditions allowed (full load) Model Power supply Values at the maximum conditions allowed (full load) Fuses (5x20T 250V) Compressors System pump Source pump Total F.L.I. F.L.A. L.R.A. F.L.I. F.L.A. F.L.I. F.L.A. F.L.I. F.L.A. (V-Ph-Hz) (kW) (kW) (kW)
  • Page 16 MAINS POWER SUPPLY CONNECTIONS To complete the electrical connections: - Before connecting the unit to the power supply, make sure that switch QF1 is open, suitably padlocked and marked. - Open the front panel of the unit, Fig. A. - Open the electrical panel, as shown in Fig. B. - Use cable gland A for the main electrical power cable and cable gland B for other external cables to be connected by the installer, Fig.
  • Page 17 ELECTRICAL PANEL BWR MTD 7390011400 REV.0 SINGLE-PHASE Radio interference suppresser Electronic controller Water pump electronic control board Well water pump control board Compressor start capacitor FU1 Transformer protection fuse FU2 Auxiliary circuit protection fuse KA1 High pressure switch relay KA3 Alarm relay KA4 Auxiliary heating element relay KA5 Domestic hot water 3-way valve relay KM1 Compressor contactor...
  • Page 18 ELECTRICAL PANEL WWR MTD SINGLE-PHASE 7390012600 REV.0 Radio interference suppresser Electronic controller Water pump electronic control board Compressor start capacitor FU1 Transformer protection fuse FU2 Auxiliary circuit protection fuse FU4 Transformer protection fuse FU5 Well water valve protection fuse KA1 High pressure switch relay KA3 Alarm relay KA4 Auxiliary heating element relay KA5 Domestic hot water 3-way valve relay...
  • Page 19 16 17 18 19 Closed = Valve open Open = Valve closed The 3-way valve for the production of domestic hot water, if not supplied by Climaveneta, should have the following characteristics: - Voltage 230V AC, 50/60 Hz SA1 SA2 - Opening and closing time 10s.
  • Page 20 TERMINAL BLOCK WWR-BWR MTD AND MTD/S SINGLE-PHASE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Signal +12Vdc SA1 SA2 F3 F5 230 VAC 1A max TERMINAL BLOCK WWR-BWR MTD THREE-PHASE...
  • Page 21 SINGLE-PHASE WIRING DIAGRAM WWR MTD Outline wiring diagram, see the diagram on the unit’s electrical panel GB 03/2010 WWR MTD - BWR MTD...
  • Page 22 SINGLE-PHASE WIRING DIAGRAM WWR MTD/s (with peak limiter) Outline wiring diagram, see the diagram on the unit’s electrical panel WWR MTD - BWR MTD GB 03/2010...
  • Page 23 THREE-PHASE WIRING DIAGRAM WWR MTD Outline wiring diagram, see the diagram on the unit’s electrical panel GB 03/2010 WWR MTD - BWR MTD...
  • Page 24 SINGLE-PHASE WIRING DIAGRAM BWR MTD Outline wiring diagram, see the diagram on the unit’s electrical panel WWR MTD - BWR MTD GB 03/2010...
  • Page 25 SINGLE-PHASE WIRING DIAGRAM BWR MTD/s (with peak limiter) brown white 24VAC Outline wiring diagram, see the diagram on the unit’s electrical panel GB 03/2010 WWR MTD - BWR MTD...
  • Page 26 THREE-PHASE WIRING DIAGRAM BWR MTD Outline wiring diagram, see the diagram on the unit’s electrical panel WWR MTD - BWR MTD GB 03/2010...
  • Page 27 OPERATING CHARACTERISTICS Temperature control FROST ALARM Control is performed based on the system water return tem- The frost protection function for the system and source side perature. heat exchanger is active even if the controller is in standby The set points refer to the water return temperature. mode.
  • Page 28 System diagram 1. Heat pump 2. Outside air temperature sensor (accessory) 3. Three-way valve, managed by the unit 4. DHW storage 5. Storage tank (if necessary) 6. Fan coil system 7. Radiant system 8. Remote keypad (accessory) The diagram is purely indicative WWR MTD BWR MTD Parameter...
  • Page 29 Deactivation of the Anti-Legionella cycle The Anti-Legionella cycle ends if at least one of the following conditions is satisfied: • the DHW storage temperature (sensor BT4) reaches the Anti-Legionella set point, parameter AS20 • the Anti-Legionella time has terminated, parameter AS34. Parameter Value Description...
  • Page 30 TIME BANDS The HSW12 controller can manage the unit based o the time and the day of the week. The controller features four time bands in three profiles that can be combined, when programming, with the days of the week. The profile defines the behaviour of the unit over a 24 hour period.

  • Page 31: Sound Pressure

    GENERAL TECHNICAL DATA WWR MTD 0011 0021 0025 0031 0041 0021 0025 0031 Heating capacity (W10/W35) 12,1 15,3 12,1 Compressor power input COP * 5,14 5,23 5,36 5,26 5,31 5,57 5,66 5,58 Heating capacity (W10/W45) 11,6 14,6 11,4 Compressor power input COP * 4,00 3,95...
  • Page 32 BWR MTD 0011 0021 0025 0031 0041 0021 0025 0031 Heating capacity (B0/W35) 11,7 Compressor power input COP * 4,03 3,93 4,00 3,92 4,18 4,21 4,31 4,33 Heating capacity (B0/W45) 5,20 11,3 Compressor power input COP * 3,06 3,00 3,09 3,00 3,14 3,00...

  • Page 33: Operating Limits

    OPERATING LIMITS U I A MODEL BWR MTD Heating Cooling OUTLET TEMPERATURE, SYSTEM SIDE OUTLET TEMPERATURE, SYSTEM SIDE - System water temperature head (min/max) = 3/8°C - Ground source water/glycol temperature head (min/max) = 3/8°C - Maximum percentage of glycol 40% MODEL WWR MTD Heating Cooling...

  • Page 34: Checking And Starting Up The Unit

    CHECKING AND STARTING UP THE UNIT PREPARING FOR FIRST START UP or restarting STARTING UP FOR THE FIRST TIME (after two hours) after shutting down for long periods. The unit must be started up for the first time by the Techni- Before starting the chiller: cal Service: - Make sure the switch QF1 is in the OFF...

  • Page 35: Hsw12 Functions

    HSW12 FUNCTIONS DESCRIPTION OF THE BUTTONS AND ASSOCIATED FUNCTIONS Button Description Press once Associated Press and hold Menu / Notes [press and release] function [press for about 3 seconds] - Increases a value Functions menu see Functions - Goes to the next label chapter (folder FnC) DOWN - Decreases a value...

  • Page 36: Leds And Display

    LEDS AND DISPLAY System heat exchanger Source heat exchanger frost heater frost heater 1 STATUS AND OPERATING MODE LEDS Icon Description Colour On steady On flashinge Alarm Alarm in progress Alarm muted Heating green Heating mode Frost protection with heat pump active Remote heating mode Cooling green...
  • Page 37 SETTING THE CLOCK The HSW12 controller is fitted with a clock for managing time bands to control specific events. Follow the procedure shown below to set the hours, minutes and date. To set the clock of the unit, starting from the main display, press the set button.
  • Page 38 ... press the set button. To exit the clock setting menu press the esc button until returning to the main display. WWR MTD - BWR MTD GB 03/2010...
  • Page 39 SELECTING THE OPERATING MODE There are three different modes: • Standby mode (StbY); in standby the compressor and pump are off but all the safety features are active • Heating mode (HEAT) • Cooling mode (COOL) • Domestic hot water only mode (AS) For example, to switch operation from StbY to COOL.
  • Page 40 SETTING THE SET POINTS As an example, the Set Point in COOL mode will be changed from 12.0 degrees centigrade to 12.5 degrees centigrade. To change the set point, starting from the main display, press the set button. Pressing the set button once displays the various directo- ries.
  • Page 41 The instrument will display the current set point (in this case 12.0 degrees centigrade). To increase or decrease the value, use the up and down buttons. For example, to change the set point to 12.5 degrees, press the up button until the desired value is displayed. Once having reached the desired set point, press the set button.
  • Page 42 DISPLAYING INSTALLER PARAMETERS From the main display, press the set button. Example of displaying the analogue inputs. For the other I/Os the procedure is essentially the same***. The display will show label Ai. (Scroll the other labels using the UP and DOWN buttons until reaching the desired label).
  • Page 43 DISPLAYING AUTHORISED TECHNICIAN PARAMETERS Accessing the PASS directory (from the main display, pressing the esc and set buttons together [esc+set] and scrolling to the directory with up / down) and setting the PASS accesses the parameters visible for the password entered. To access the PASS directory from the main display, press esc and set together [esc+set].
  • Page 44 For parameter CF00, the value displayed will be 2. To change the value of the parameter, press the up or down button. When having selected the value, press the set button. ** To exit the display and return to the previous level, press esc.
  • Page 45 MUTING AND MANUALLY RESETTING THE ALARMS The alarm signals are displayed flashing. The following procedure describes how to mute an alarm. The various errors will be displayed in directory AL (see Status menu) The errors will be displayed by alternating the error mes- sage...

  • Page 46: Displaying Alarms

    DISPLAYING ALARMS The alarm signals are displayed flashing. The following procedure describes how to mute an alarm. The various errors will be displayed in directory AL (see Status menu) From the main display, press the set button The display will show label Ai. Scroll the other labels using the UP and DOWN buttons until reaching label AL.
  • Page 47 RESET ALARM LOG Below are the instructions on how to reset the alarm log if the alarm signal Er90 is shown. To access directory FnC from the main display, press esc and set together. [esc+set]. the first directory displayed is PAr. Use the UP and DOWN buttons to scroll to the directory FnC.
  • Page 48 LIST OF ACCESSIBLE PARAMETERS Press the SET key to view the label Directory label Parameters Parameters for: AiL1,AiL2,AiL3,AiL4,AiL5,Air1,Air2 Inputs/Outputs Hour, Date, Year Clock COOL, HEAT, AS Setpoint Cooling, Heating, Domestic hot water COOL, HEAT, AS Real setpoint CP01, PU01 Tens of hours of operation compressors/pumps Press the SET+ESC key to view the label Directory label Parameters...
  • Page 49 FAULT CAUSE SOLUTION Alarm with automatic reset Check water outlet temperature Values display indication High water outlet temperature Check water flow Er35 Check water temperature Set Point Check correct positioning of sensor BT2 Values display indication Clock fault error Replace controller Er45 (automatic reset) Values display indication...

  • Page 50: Peak Limiter Alarm Signals

    PEAK LIMITER ALARM SIGNALS The heat pumps can be fitted with a single-phase or three-phase peak limiter to reduce compressor start-up current. Peak limiter single-phase The LED on the peak limiter identifies different operating or alarm conditions based on the sequence of flashes: •...

  • Page 51: Special Maintenance

    SPECIAL MAINTENANCE Never perform any cleaning operations before having - Charge the quantity of refrigerant indicated on the unit’s disconnected the unit from the mains power supply. rating plate. Terminals 10, 11, 12 and 13 may be live even when the - Always check the superheat and subcooling values, which unit has been disconnected.

  • Page 52: Troubleshooting

    TROUBLESHOOTING U I A FAULT CAUSE SOLUTION Check presence of voltage The heat pump doesn’t No voltage Check safety systems upstream of start the appliance Switch QF1 in OFF position Remote switch (if featured) in OFF position Control panel in standby Switch ON Main switch QS1 in OFF Compressor thermal overload switch OFF...

  • Page 53: Useful Information

    For information on technical assistance and obtaining spare parts, contact: CLIMAVENETA S.P.A. AFTER SALES DEPARTMENT - RESIDENTIAL BUSINESS Via Duca d’Aosta 121 - 31031 Mignagola di Carbonera (TV) ITALY Tel: +39.0424.509500 Fax: +39.0424.509563 www.climaveneta.com - info@climaveneta.com GB 03/2010 WWR MTD - BWR MTD...
  • Page 54 88 Bai Yun Rd, Pudong Xinghuo New dev. zone 201419 Shanghai China Tel 008 621 575 055 66 Fax 008 621 575 057 97 Climaveneta Polska Sp. z o.o. Ul. Sienkiewicza 13A, 05-120 Legionowo, Poland Tel +48 22 766 34 55-57 Fax +48 22 784 39 09 info@climaveneta.pl...

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