Remco KWE Eco Series Assembly And Operating Instructions Manual
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Remco KWE Eco Series Assembly And Operating Instructions Manual

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Assembly and operating instructions
REMKO KWE Eco series
Chiller
KWE 290 Eco - 3150 Eco
0271-2020-10 Edition 1, en_GB
Read the instructions prior to performing any task!

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Summary of Contents for Remco KWE Eco Series

  • Page 1 Assembly and operating instructions REMKO KWE Eco series Chiller KWE 290 Eco - 3150 Eco 0271-2020-10 Edition 1, en_GB Read the instructions prior to performing any task!
  • Page 2 Read these operating instructions carefully before commis- sioning / using this device! These instructions are an integral part of the system and must always be kept near or on the device. Subject to modifications; No liability accepted for errors or mis- prints! Installation and operating instructions (translation of the orig- inal)

  • Page 3: Table Of Contents

    Table of contents Safety and usage instructions......................4 1.1 General safety notes........................4 1.2 Identification of notes........................4 1.3 Personnel qualifications........................4 1.4 Dangers of failure to observe the safety notes................4 1.5 Safety-conscious working....................... 4 1.6 Safety notes for the operator......................5 1.7 Safety notes for installation, maintenance and inspection..............

  • Page 4: Safety And Usage Instructions

    REMKO KWE Eco series Safety and usage instructions CAUTION! This combination of symbol and signal word 1.1 General safety notes warns of a potentially hazardous situation, which if not avoided may cause injury or mate- Carefully read the operating manual before com- rial and environmental damage.

  • Page 5: Safety Notes For The Operator

    1.6 Safety notes for the operator The units and components must be kept at an adequate distance from flammable, explosive, The operational safety of the units and compo- combustible, abrasive and dirty areas or nents is only assured providing they are used as atmospheres.

  • Page 6: Transport And Packaging

    REMKO KWE Eco series 1.11 Transport and packaging The devices are supplied in a sturdy shipping con- tainer. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner.

  • Page 7: Technical Data

    Technical data 2.1 Unit data Unit data KWE 290-430 Eco Series 290 Eco 340 Eco 380 Eco 430 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 28.7 32.7 37.7 42.5 Nominal cooling output SEER Annual room cooling efficiency ŋ...
  • Page 8 REMKO KWE Eco series Series 290 Eco 340 Eco 380 Eco 430 Eco Medium connection, inlet Inches 1 1/2 Medium connection, outlet Inches 1 1/2 Dimensions See drawings Height Width See drawings Depth See drawings Weight Standard colour similar to RAL 9018 Air intake temperature TK 35 ℃, medium inlet 12 ℃, medium outlet 7 ℃, 0% glycol concentration...
  • Page 9 Unit data KWE 500-730 Eco Series 500 Eco 550 Eco 640 Eco 730 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 50.0 55.3 64.1 73.2 Nominal cooling output SEER Annual room cooling efficiency ŋ Adjustment range - return temperature °C +5 to +18...
  • Page 10 REMKO KWE Eco series Series 500 Eco 550 Eco 640 Eco 730 Eco Medium connection, inlet Inches Medium connection, outlet Inches Dimensions See drawings Height Width See drawings Depth See drawings Weight Standard colour similar to RAL 9018 Air intake temperature TK 35 ℃, medium inlet 12 ℃, medium outlet 7 ℃, 0% glycol concentration...
  • Page 11 Unit data KWE 800-1150 Eco Series 800 Eco 970 Eco 1060 Eco 1150 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 79.3 97.2 106.4 115.9 Nominal cooling output SEER Annual room cooling efficiency ŋ Adjustment range - return temperature °C +5 to +18...
  • Page 12 REMKO KWE Eco series Series 800 Eco 970 Eco 1060 Eco 1150 Eco Medium connection, inlet Inches 2 1/2 DN 80 Medium connection, outlet Inches 2 1/2 DN 80 Dimensions See drawings Height Width See drawings Depth See drawings Weight...
  • Page 13 Unit data KWE 1240-1480 Eco Series 1240 Eco 1320 Eco 1400 Eco 1480 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 123.9 132.6 140.5 148.3 Nominal cooling output SEER Annual room cooling efficiency ŋ Adjustment range - return temperature °C +5 to +18...
  • Page 14 REMKO KWE Eco series Series 1240 Eco 1320 Eco 1400 Eco 1480 Eco Medium connection, inlet Inches DN 80 DN 80 DN 80 DN 80 Medium connection, outlet Inches DN 80 DN 80 DN 80 DN 80 Dimensions See drawings...
  • Page 15 Unit data KWE 1550-2100 Eco Series 1550 Eco 1600 Eco 1850 Eco 2100 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 155.3 161.3 186.3 211.4 Nominal cooling output SEER Annual room cooling efficiency ŋ Adjustment range - return temperature °C +5 to +18...
  • Page 16 REMKO KWE Eco series Series 1550 Eco 1600 Eco 1850 Eco 2100 Eco Medium connection, inlet Inches DN 80 DN 80 DN 80 DN 80 Medium connection, outlet Inches DN 80 DN 80 DN 80 DN 80 Dimensions See drawings...
  • Page 17 Unit data KWE 2350-3150 Eco Series 2350 Eco 2600 Eco 2850 Eco 3150 Eco Air-cooled chiller for external installation in high-effi- Operating mode ciency design for cooling 233.7 260.2 286.8 315.2 Nominal cooling output SEER Annual room cooling efficiency ŋ Adjustment range - return temperature °C +5 to +18...
  • Page 18 REMKO KWE Eco series Series 2350 Eco 2600 Eco 2850 Eco 3150 Eco Medium connection, inlet Inches DN 80 DN 100 Medium connection, outlet Inches DN 80 DN 100 Dimensions See drawings Height Width See drawings Depth See drawings Weight...
  • Page 19 Series 800 Eco 970 Eco 1060 Eco 1150 Eco Nominal pump pressure, max. 136.3 159.6 155.6 151.3 Equipment pressure, available 82.2 103.4 88.3 101.9 Power consumption, pump Current consumption, pump Weight, pump 12.2 16.5 Series 1240 Eco 1320 Eco 1400 Eco 1480 Eco Nominal pump pressure, max.
  • Page 20 REMKO KWE Eco series Series 2350 Eco 2600 Eco 2850 Eco 3150 Eco Nominal pump pressure, max. 189.1 179.6 168.7 155.9 Equipment pressure, available 133.0 136.0 117.7 96.2 Power consumption, pump Current consumption, pump Weight, pump 91.1 Chiller with high-pressure pump...
  • Page 21 Series 1240 Eco 1320 Eco 1400 Eco 1480 Eco Nominal pump pressure, max. 227.7 223.4 219.1 215.0 Equipment pressure, available 172.2 171.0 174.0 165.4 Power consumption, pump Current consumption, pump Weight, pump 22.3 Series 1550 Eco 1600 Eco 1850 Eco 2100 Eco Nominal pump pressure, max.
  • Page 22 REMKO KWE Eco series Series 500 Eco 550 Eco 640 Eco 730 Eco Nominal pump pressure, max. 301.7 337.0 321.8 305.7 Equipment pressure, available 245.0 286.8 253.2 247.2 Power consumption, pump Current consumption, pump Weight, pump 18.1 16.8 Series 800 Eco...
  • Page 23 Series 2350 Eco 2600 Eco 2850 Eco 3150 Eco Nominal pump pressure, max. 297.5 287.3 276.2 263.0 Equipment pressure, available 241.4 243.7 225.2 203.3 Power consumption, pump Current consumption, pump 10.4 Weight, pump 111.5 Noise information for chiller with optional accessories for noise reduction Series 290 Eco 340 Eco...
  • Page 24 REMKO KWE Eco series Series 800 Eco 970 Eco 1060 Eco 1150 Eco Sound pressure level dB(A) 55.2 52.6 57.3 57.2 in standard version Sound press. level with low-noise kit dB(A) 51.4 48.8 53.5 53.4 Sound pressure level dB(A) 45.1 43.1...
  • Page 25 Series 2350 Eco 2600 Eco 2850 Eco 3150 Eco Sound pressure level dB(A) 60.8 61.5 in standard version Sound press. level with low-noise kit dB(A) 57.0 57.7 Sound pressure level dB(A) 50.7 51.3 with super-low-noise kit Sound pressure level dB(A) 92.8 93.7 in standard version...
  • Page 26 REMKO KWE Eco series Series 1240 Eco 1320 Eco 1400 Eco 1480 Eco El. starting current, max. 269.3 311.9 El. starting current, max. with soft start 198.2 223.3 Series 1550 Eco 1600 Eco 1850 Eco 2100 Eco El. starting current, max.

  • Page 27: Usage Limits

    2.2 Usage limits For trouble-free unit operation and compliance with the legal warranty conditions, it is essential that the unit is be used within its respective usage limits. These are shown in the following diagram. Further information on this can likewise be found in the technical data. Fig.

  • Page 28: Unit Dimensions

    REMKO KWE Eco series 2.3 Unit dimensions KWE 290-640 without storage tank 2345 2045 1200 1100 1350 1350 1100 Fig. 2: Dimensions of KWE 290-640 without storage tank (all measurements in mm) KWE 290-640 with storage tank 2345 2045 1700...
  • Page 29 KWE 730-800 without storage tank 1620 1320 2200 1050 2235 1050 Fig. 4: Dimensions of KWE 730-800 without storage tank (all measurements in mm) KWE 730-800 with storage tank 1620 1320 2490 1050 2550 1050 Fig. 5: Dimensions of KWE 730-800 with storage tank (all measurements in mm) We reserve the right to modify the dimensions and design as part of the ongoing technical development process.
  • Page 30 REMKO KWE Eco series KWE 970-1060 without storage tank 2345 2045 1100 2150 1155 2420 2420 1155 Fig. 6: Dimensions of KWE 970-1060 without storage tank (all measurements in mm) KWE 970-1060 with storage tank 2345 2045 2750 1100 3020...
  • Page 31 KWE 1150-1550 without storage tank 2020 1720 1100 3515 1260 1155 1455 3635 Fig. 8: Dimensions of KWE 1150-1550 without storage tank (all measurements in mm) KWE 1150-1550 with storage tank 2020 1720 1100 4625 1260 1155 1455 4585 4745 Fig.
  • Page 32 REMKO KWE Eco series KWE 1600-2350 without storage tank 2020 1720 1100 4415 1260 397.5 1190 1200 1190 397.5 4375 4535 Fig. 10: Dimensions of KWE 1600-2350 without storage tank (all measurements in mm) KWE 1600-2350 with storage tank 2020...
  • Page 33 KWE 2600-3150 without storage tank 2295 1995 1100 5340 1260 1300 1900 1300 5300 5460 Fig. 12: Dimensions of KWE 2600-3150 without storage tank (all measurements in mm) KWE 2600-3150 with storage tank 2295 1995 6450 1100 1260 1300 1900 1300 6410 6570...

  • Page 34: Design And Function

    3.1 Unit description The hydraulic circuit can be configured as required for each application. In the case of units without The KWE Eco series units are air-cooled chillers hydraulic components, neither a medium storage for outdoor installation. The cooling circuit built into...

  • Page 35: Necessary System Components

    3.2 Necessary system components Fig. 14: Necessary system components 1: Expansion pipe coupling 6: Pressure gauge 2: Safety valve 7: Bleeder 3: Shut-off valve 8: Diaphragm expansion vessel 4: Valve for hydronic balancing 9: Dirt trap 5: Fill and drain device The value of 4 litres per kW of cooling capacity can be used as a guide value for approximate storage tank dimensioning.

  • Page 36: Hydraulic Unit Construction

    REMKO KWE Eco series 3.3 Hydraulic unit construction The hydraulic diagrams sketched below serve as a planning aid and to illustrate a possible system layout. All the components shown outside the chiller and the hydraulics to be provided by the customer must be planned and designed by the planner or the specialist company carrying out the work.

  • Page 37: Operation Of The Controller

    Operation of the “Information” display controller Enables access to information level in order to call up further sensor values and operating conditions. “Outlet” display Displays the medium temperature measured at the return flow. 10/04/20 08:29 “Inlet” display Outlet: 7.0°C Inlet: 12.0°C Displays the medium temperature measured at the inlet.
  • Page 38 REMKO KWE Eco series Main menu Energy Save: In the Energy Save operating state, the system runs the stored Energy Save setpoints Access to the main menu is possible by pressing and time program. the “Main menu” key. The main menu provides access to the 8 submenus.
  • Page 39 12:22 19/02/18 Unit:01 On/Off Unit Unit - --- C ° Outside T: 1 9.5 C ° System T: Cooling only STATUS: The value can now be changed using the two To enter the main menu, press the “Menu” key on arrow keys.
  • Page 40 REMKO KWE Eco series Thermoreg. Unit 12:22 19/02/18 Unit:01 Heat pump temperature Nominal setpoint (ON) - --- C ° Outside T: 23.0 C ° Cooling: 1 9.5 C ° 0.0 C ° System T: Heating: STATUS: Alarm-Off The value can now be changed using the two To enter the error view, press the “Alarm”...

  • Page 41: Installation Instructions For Qualified Personnel

    Installation instructions The controller stores up to 50 malfunctions. If all 50 spaces are occupied, the oldest malfunction is for qualified personnel deleted. Important notes prior to installation The error memory can be called up as follows: Observe the operating manuals for the indoor unit and the chiller or heating system when installing the entire system.
  • Page 42 REMKO KWE Eco series Check the contents of the packaging for com- Selecting the installation location pleteness and check the unit for visible trans- The unit is designed for horizontal installation on a port damage. Report any damage immediately base in outdoor areas. The installation site must be to your contractual partner and the shipping level, flat and firm.
  • Page 43 Minimum clearances Set-up The following illustrations indicate the minimum The hermetically closed system of the refrigeration clearances for trouble-free operation of the equip- circuit contains a flammable refrigerant of safety ment. class A2L. The protective zones serve to provide unhindered air intake and outlet, as well as providing sufficient room for performing maintenance and repairs and preventing the unit from being damaged.

  • Page 44: Installation

    REMKO KWE Eco series Installation Connection of the medium piping For servicing purposes, connections must be Unit installation equipped with shut-off valves. Additional automatic bleed valves are to be provided in the supply and return flow at the NOTICE! installation’s highest point.
  • Page 45 Medium piping Anti-freeze protection (accessories) Medium piping can be made of copper, steel or A water glycol mix is generally used as the medium plastic. To minimise pressure losses, only stream- for a cold water system. Depending on the use to lined fittings should be used.
  • Page 46 REMKO KWE Eco series Configuration anti-freeze protection parameters It can be necessary to reconfigure the anti-freeze protection parameters when using a water-glycol Service menu mixture. Adjustment is only possible after pass- word input. For this purpose, please contact d.Working hours REMKO.
  • Page 47 Open the window “c. Thermal regulation”. Dirt trap A rinsable dirt trap must be installed upstream from the unit intake. Shut-off valves should be installed upstream and downstream of the dirt trap in order to be able to isolate this during maintenance and cleaning work.

  • Page 48: Condensate Drainage Connection And Safe Drainage

    REMKO KWE Eco series Condensate drainage Shut-off valves connection and safe As a rule, in cold water systems, shut-off valves with full admission should be used. For the pur- drainage pose of servicing, medium inlet and medium outlet must be equipped with shut-off valves (if necessary Condensate drainage connection safety valves).

  • Page 49: Electrical Wiring

    Electrical wiring 8.1 General connection and safety instructions DANGER! All electrical installation work is to be performed by specialist companies. Disconnect the power supply when connecting the electrical terminals. The power supply is made at the chiller; a con- trol line to the indoor unit is not necessary. An all-pole separating switch, which discon- Fig.
  • Page 50 REMKO KWE Eco series Carry out the following electrical connections: Possible connection of a heater for anti-freeze protection medium (accessory, factory installa- Connection to the power supply. tion only). Possible enabling contact for the set mode or standby. Possible operating mode contact for cooling or heating mode (units with HP function).

  • Page 51: Unit Connection

    8.2 Unit connection Proceed as follows to establish the connection: Open the control box covers by removing the fixing screws and lifting off the covers. Feed the voltage-free cable through the glands into the switch cabinet. Depending on the selection of the cable cross section, a suitable cable gland must be provided by the 1 2 3 6 6 7 7 9 10 customer.

  • Page 52: Electrical Components

    REMKO KWE Eco series 8.3 Electrical components Leak testing Electrical components and safety equipment The leak test is carried out after the connection has been made. Pressure switch cooling cycle HP and LP Flush the system twice with tap water.

  • Page 53: Before Commissioning

    Before commissioning The position of the unit in the system is decisive in the calculation of the unit's preliminary pressure Rinsing the system (pressure of the manometer on the unit installed by the customer). The pressure must be set to at least Due to the factory test run of the chiller, there may 70 kPa (0.7 bar).
  • Page 54 REMKO KWE Eco series Bleeding the system Electrical checks Air may still be in the pipe lines after the leak Checking electrical connections for correct testing. This is carried during operation of the phase sequencing. circulation pump to the automatic bleeding Function check of the cooling mode / heating valves or to the cold water drain.

  • Page 55: Commissioning

    Commissioning The delivery of the unit from the factory takes NOTICE! place with standard parameterisation of the output control. If necessary during commis- Commissioning should only be performed by sioning a system-specific parameterisation specially trained personnel and documented must be carried out by authorised personnel. after the certificate has been issued.

  • Page 56: Shutdown

    REMKO KWE Eco series Shutdown Temporary shutdown Shut down the indoor units using the remote control. Switch the unit off via the internal controller in the chiller (or using the remote control). Check the percentage concentration of glycol. Check the unit for visible signs of damage and clean it as described in the “Care and...

  • Page 57: Troubleshooting And Customer Service

    Troubleshooting and customer service The unit and components are manufactured using state-of-the-art production methods and tested several times to verify that they function correctly. However, if malfunctions should occur, please check the functions as detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Trouble- shooting and customer service"...
  • Page 58 REMKO KWE Eco series Malfunction Possible causes Checks Remedial measures Drop formation at connec- Leakage of the joint Seal the joint. tion points of the pipeline. Medium outlet Uninsulated cables or com- Attach or repair the insula- Condensate formation ponents, defective insula- tion.

  • Page 59: Care And Maintenance

    Care and maintenance Clean the fins on the unit prior to long shut- down periods. Regular care and observation of some basic points will ensure trouble-free operation and a long Maintenance service life. It is recommended that you take out a mainte- nance contract with a yearly service from an appropriate specialist firm.

  • Page 60: Index

    REMKO KWE Eco series Index Malfunctions Checks ......57 Air bleeding valves ..... . 48 Possible causes .
  • Page 61 Valves for hydronic balancing ... 45, 54 Warranty ....... 5...
  • Page 62 REMKO KWE Eco series...
  • Page 64 REMKO QUALITY WITH SYSTEMS Air-Conditioning | Heating | New Energies Telephone +49 (0) 5232 606-0 REMKO GmbH & Co. KG Hotline within Germany +49 (0) 5232 606-0 Klima- und Wärmetechnik Telefax +49 (0) 5232 606-260 Im Seelenkamp 12 E-mail info@remko.de Hotline International 32791 Lage www.remko.de...

This manual is also suitable for:

Kwe 290 ecoKwe 340 ecoKwe 380 ecoKwe 430 ecoKwe 500 eco kwe 550 eco kwe 640 eco kwe 730 ecoKwe 800 eco ... Show all

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