REMKO KWE 180 Assembly And Operating Instructions Manual
  1. Manuals
  2. Brands
  3. REMKO Manuals
  4. Chiller
  5. KWE 180
  6. Assembly and operating instructions manual
REMKO KWE 180 Assembly And Operating Instructions Manual

REMKO KWE 180 Assembly And Operating Instructions Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Assembly and operating instructions
REMKO KWE 150 - KWE 440 and
REMKO KWE 150 INOX - KWE 440 INOX
Chiller
Read the instructions prior to performing any task!
0183-2018-05 Edition 1, en_GB

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the KWE 180 and is the answer not in the manual?

Questions and answers

Related Manuals for REMKO KWE 180

Summary of Contents for REMKO KWE 180

  • Page 1 Assembly and operating instructions REMKO KWE 150 - KWE 440 and REMKO KWE 150 INOX - KWE 440 INOX Chiller Read the instructions prior to performing any task! 0183-2018-05 Edition 1, en_GB...
  • 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 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

    "certificate of warranty" to in accordance with the usage and operating REMKO GmbH & Co. KG at the time when the conditions stipulated in this manual and comply units are purchased and commissioned.

  • Page 6: Transport And Packaging

    REMKO KWE 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. For later complaints can not be guaranteed.

  • Page 7: Technical Data

    Technical data 2.1 Unit data Unit data KWE 150 - KWE 250 Series KWE 150 KWE 180 KWE 220 KWE 250 Operating mode Air-cooled compact chiller 15.01 17.44 21.58 24.72 Nominal cooling output 3.50 Energy efficiency rating EER SEER 3.84 3.83...
  • Page 8 REMKO KWE Series KWE 150 KWE 180 KWE 220 KWE 250 Maximum flow volume, medium 4.30 4.99 6.18 7.08 Pressure loss, indoor Diaphragm expansion vessel, volume Diaphragm expansion vessel MAG, pre- liminary pressure Medium connection, inlet Inches 1 1/4 1 1/2...
  • Page 9 Chiller with standard pump Series KWE 150 KWE 180 KWE 220 KWE 250 Nominal pump pressure, max. System pressure available, cooling Power consumption, pump Current consumption, pump Weight Operating weight, approx. Chiller with high-pressure pump Series KWE 150 KWE 180...
  • Page 10 REMKO KWE Chiller with storage tank and high-pressure pump Series KWE 150 KWE 180 KWE 220 KWE 250 Medium content, storage tank Weight Operating weight, approx. Chiller with storage tank and high-performance pump Series KWE 150 KWE 180 KWE 220...
  • Page 11 Unit data KWE 300 - KWE 440 Series KWE 300 KWE 320 KWE 370 KWE 440 Operating mode Air-cooled compact chiller 29.32 32.00 37.04 43.37 Nominal cooling output 3.50 Energy efficiency rating EER SEER 3.93 3.91 3.84 3.85 Annual room cooling efficiency ŋ Adjustment range - return temperature °C +9 to +22...
  • Page 12 REMKO KWE Series KWE 300 KWE 320 KWE 370 KWE 440 Diaphragm expansion vessel MAG, pre- liminary pressure Medium connection, inlet Inches 1 1/2 Medium connection, outlet Inches 1 1/2 Medium content, pipe lines 8.29 8.85 9.42 10.55 Minimum medium volume, per unit...
  • Page 13 Chiller with standard pump Series KWE 300 KWE 320 KWE 370 KWE 440 Nominal pump pressure, max. System pressure available, cooling Power consumption, pump Current consumption, pump Weight Operating weight, approx. Chiller with high-pressure pump Series KWE 300 KWE 320 KWE 370 KWE 440 Nominal pump pressure, max.
  • Page 14 REMKO KWE Chiller with storage tank and high-pressure pump Series KWE 300 KWE 320 KWE 370 KWE 440 Medium content, storage tank Weight Operating weight, approx. Chiller with storage tank and high-performance pump Series KWE 300 KWE 320 KWE 370...

  • Page 15: Unit Dimensions

    2.2 Unit dimensions Fig. 1: Dimensions KWE 150 - 220 (all measurements in mm) Fig. 2: Dimensions KWE 250 - 440 (all measurements in mm)

  • Page 16: Cooling Capacity

    REMKO KWE We reserve the right to modify the dimensions and design as part of the ongoing technical development process. 2.3 Cooling capacity KWE 150 KWE 180 Air intake temperature Air intake temperature °C °C 16.64 15.70 14.88 13.98 13.02 19.39...
  • Page 17 KWE 220 KWE 250 31.76 30.17 28.57 26.95 25.30 36.28 34.47 32.66 30.82 28.97 32.74 31.10 29.45 27.79 26.10 37.39 35.52 33.65 31.77 29.82 33.72 32.03 30.33 28.62 26.89 38.49 36.57 34.64 32.71 30.67 34.74 33.00 31.25 29.49 27.71 39.64 37.65 35.67 33.69...
  • Page 18 REMKO KWE KWE 370 KWE 440 Air intake temperature Air intake temperature °C °C 40.95 38.97 36.88 34.68 32.38 47.81 45.47 43.08 40.61 38.03 42.32 40.27 38.11 35.85 33.47 49.42 47.00 44.53 41.97 39.32 43.72 41.60 39.37 37.04 34.60 51.07 48.56...

  • Page 19: Sound Pressure Level

    2.4 Sound pressure level KWE 150 - KWE 250 KWE 150 KWE 180 KWE 220 KWE 250 Sound pressure level Lp in dB(A), distance 10 m 11.60 11.60 11.60 14.50 24.60 24.60 24.60 27.50 24.20 23.70 24.40 27.10 32.50 31.40 33.60...

  • Page 20: Characteristic Curves

    REMKO KWE 2.5 Characteristic curves Pressure loss KWE 150 KWE 180 KWE 220 KWE 250 KWE 300 KWE 320 KWE 370 KWE 440 1: Pressure loss [kPa] 2: Medium flow rate [l/sec]...
  • Page 21 System pressure available - standard pump KWE 150 KWE 180 KWE 220 KWE 250 KWE 300 KWE 320 KWE 370 KWE 440 1: System pressure available [kPa] 2: Medium flow rate [l/sec]...
  • Page 22 REMKO KWE System pressure available - high-pressure pump KWE 150 KWE 180 KWE 220 KWE 250 KWE 300 KWE 320 KWE 370 KWE 440 1: System pressure available [kPa] 2: Medium flow rate [l/sec]...
  • Page 23 System pressure available - high-performance pump KWE 150 KWE 180 KWE 220 KWE 250 KWE 300 KWE 320 KWE 370 KWE 440 1: System pressure available [kPa] 2: Medium flow rate [l/sec]...

  • Page 24: Design And Function

    REMKO KWE Design and function 3.2 System layout The unit is designed for a 2-conductor system. 3.1 Unit description The system has 2 medium pipes (conductors: In cooling mode, the unit (an air-cooled chiller) Supply and return flow) for cooling using a cold takes heat out of the operating medium to be medium.

  • Page 25: Refrigeration Unit Construction

    3.4 Hydraulic unit construction NOTICE! KWE 150-220 The escape of refrigerant contributes to climatic change. In the event of escape, refrigerant with a low greenhouse potential has a lesser impact on global warming than those with a high greenhouse potential. This device contains refrigerant with a greenhouse potential of 2088.
  • Page 26 REMKO KWE KWE 150-220 KWE 150-220 ∆P ∆P Fig. 8: With storage tank and pump Fig. 12: With storage tank and high-pressure or high-performance pump KWE 250-440 KWE 250-440 ∆P ∆P Fig. 9: With storage tank and pump Fig. 13: With storage tank and high-pressure or...

  • Page 27: Operation Of The Controller

    Operation of the “Compressor” display controller When this symbol appears, the compressor is acti- vated and in operation. “Operating mode” display This symbol indicates the current operating mode. If e.g. cooling capacity is requested, a snowflake appears here and the system is in cooling mode. “Pump”...
  • Page 28 REMKO KWE E. Data Logger The desired operating status can be set as follows: This is the error memory of the system, in which up to 50 malfunctions can be stored. If all 50 spaces are occupied, the oldest malfunction is deleted and overwritten.
  • Page 29 Setpoint return temperature sensor Two different values can be set for the return flow temperature: On/Off Unit Unit Nominal setpoint: The setpoint for normal opera- tion Cooling only Energy Save setpoint: The setpoint for the energy-saving mode The respective “heating” setting is intended for units with heat pump function and therefore has no In the “On / Off Unit”...
  • Page 30 REMKO KWE In the “Thermoreg. Unit” field, use the arrow keys Display and acknowledge malfunctions to select the window for the setpoint in nominal or In order to protect the unit from damage, the con- energy-saving mode and press the “Enter” key.

  • Page 31: Installation Instructions For Qualified Personnel

    Installation instructions Error memory for qualified personnel In the event of a malfunction, the error memory of the controller collects and stores the most impor- Important notes prior to installation tant data such as time of the malfunction, designa- tion and error code of the malfunction, and meas- Observe the instruction manuals for the indoor ured values of the sensors.
  • Page 32 REMKO KWE The unit must be kept upright when trans- To avoid the transmission of vibrations to the porting to a higher elevation. installation site, the units must be installed on vibration absorbing material or on vibration decoupled foundations. In doing so, make sure...
  • Page 33 Snow The finned condenser gives off heat in cooling The unit should be wall-mounted in areas of heavy mode. snowfall. Installation should be at least 20 cm above the expected level of snow to prevent snow Exposure to sunlight further increases the temper- from entering the outdoor unit.
  • Page 34 REMKO KWE Installation inside buildings Ensure that heat can dissipate adequately when placing the outdoor unit in cellars, lofts, adjoining rooms or halls (Fig. 18). Install an additional fan with a rated flow similar to that of the outdoor unit being installed in the room and that can compensate any additional pressure loss in ventilation ducts (Fig.
  • Page 35 Minimum clearances Minimum clearances (all measurements in mm) The following illustrations indicate the minimum KWE 150-220 KWE 250-440 clearances for trouble-free operation of the equip- ment. 1000 1000 The protective zones serve to provide unhindered 1500 1000 air intake and outlet, as well as providing sufficient 1000 1500 room for performing maintenance and repairs and...

  • Page 36: Installation

    REMKO KWE Installation Connection of the medium piping The connection of the lines on-site takes place 6.1 Unit installation on the front side of the unit. For the purpose of servicing, connections must be equipped with shut-off valves and the...
  • Page 37 Installation diagrams ∆P ∆P Fig. 21: Installation diagrams KWE 150-220 1: Standard design 2: Standard pump 3: Standard pump and storage tank...
  • Page 38 REMKO KWE ∆P ∆P ∆P Fig. 22: Installation diagrams KWE 150-220 1: High-pressure or high-performance pump 2: High-pressure or high-performance pump with storage tank 3: Standard pump and external medium storage tank (hydraulic compensator)
  • Page 39 ∆P ∆P ∆P Fig. 23: Installation diagrams KWE 250-440 1: Standard design 2: Standard pump 3: Standard pump and storage tank...
  • Page 40 REMKO KWE ∆P ∆P ∆P Fig. 24: Installation diagrams KWE 250-440 1: High-pressure or high-performance pump 2: High-pressure or high-performance pump with storage tank 3: Standard pump and external medium storage tank (hydraulic compensator)
  • Page 41 Minimum / maximum flow volume Medium piping The circulation pump of the chiller generates a Medium piping can be made of copper, steel or constant medium flow rate; the result is a loss of plastic. To minimise pressure losses, only stream- pressure in the system and in the chiller.
  • Page 42 REMKO KWE Correction factors when using a mixture of glycol *) and water Frost Glycol protec- Compressor capacity con- tion Cooling tent +-2 °C capacity Cooling Heating Volume flow Pressure loss Vol. % ° C P cooling P heating 1.012 0.981...
  • Page 43 Open the window “c. Thermal regulation”. The unit's standard equipment includes one dia- phragm expansion vessel. The preliminary pres- sure must be set on the system; an increase in volume or, in the event of the realisation of a cooling-heating system, the installation of another diaphragm expansion vessel may be necessary.

  • Page 44: Condensate Drainage Connection And Safe Drainage

    REMKO KWE Condensate drainage Fill and drain connection connection and safe A connection should be provided in an area safe from frost for the draining of pipe lines (especially if drainage water is used as a medium). Applicable local dis-...

  • Page 45: Electrical Wiring

    Electrical wiring Carry out the following electrical wiring: Connection to the power supply. 8.1 General connection Possible enabling contact for the set mode or and safety instructions standby. Possible operating mode contact for cooling or heating mode (units with HP function). DANGER! Possible connection of a winter pressure con- troller (accessory).

  • Page 46: Unit Connection

    REMKO KWE 8.2 Unit connection General alarm signal (standard equipment) The connection of a potential-free general alarm Proceed as follows to connect: signal, for example, for signalling or for further pro- Open the control box covers by removing the cessing to a building control system is possible as fixing screws and lifting off the covers.
  • Page 47 External enabling configuration Password entry With the use of a normally open contact as an external contact, a controller parameter must be reconfigured. The parameter “Id08” must be switched from “NC” to “NO”. If this does not Enter the 4-digit password. happen, the controller does not recognise the external contact as a normally closed contact.

  • Page 48: Electrical Components

    REMKO KWE 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. There is a high pressure switch (HP) in the hot gas Clean the sieve insert on the dirt trap.

  • Page 49: Before Commissioning

    Before commissioning The position of the unit in the system is decisive in the calculation of the unit's preliminary pressure Filling the system (pressure of the manometer on the unit installed by the customer). The pressure must be set to at least The system is filled at the customer-provided filling 70 kPa (0.7 bar).
  • Page 50 REMKO KWE Diaphragm expansion vessel Checking the cooling circuit The preliminary pressure for the diaphragm Checking the cooling circuit for adequate oil / expansion vessel must be adjusted individually refrigerant. to the system layout, the volume of the medium Checking the cooling circuit for leak tightness.

  • Page 51: Commissioning

    Commissioning Final tasks Mount all removed parts. Familiarise the operator with the system. NOTICE! Commissioning should only be performed by specially trained personnel and documented after the certificate has been issued. The delivery of the unit from the factory takes place with standard parameterisation of the output control.

  • Page 52: Shutdown

    Ensure that units and components are disposed of in accordance with local regulations, e.g. through authorised disposal and recycling specialists or at collection points. REMKO GmbH & Co. KG or your contractual partner will be pleased to provide a list of certified firms in your area.

  • Page 53: 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 54 REMKO KWE 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 55 Mal- Possible causes Checks Remedial measures function Check motor overload protec- Motor overload protection tion switch (setting range), ALF01 Fan motor overload switch triggered? Fan power have the fan checked by a consumption too high? specialist company. After maintenance by a spe- cialist company, reset the Compressor maintenance ALT01...
  • Page 56 REMKO KWE Error indication by code Reset Input type Mal- function Possible causes Auto. Man. Digi. Ana. Soft. Reaction Medium inlet probe ALA04 System deactivated defective Outside temperature Dynamic setting disa- ALA06 probe fault (optional) bled (optional) Medium outlet sensor...

  • Page 57: Care And Maintenance

    Care and maintenance Maintenance It is recommended that you take out a mainte- Regular care and observation of some basic points nance contract with an annual service from an will ensure trouble-free operation and a long appropriate specialist firm. service life. DANGER! This enables you to ensure the operational reli- Prior to performing any work, ensure the equip-...

  • Page 58: Index

    REMKO KWE Index Intended use ......5 Air bleeding valves ..... . 43 Anti-freeze protection .
  • Page 59 System pressure available, High-performance pump ....23 Unit description ......24 High-pressure pump .
  • Page 60 SFlb Customer Service Our equipment operates precisely and reliably. However, in the event of a fault, REMKO customer service is quickly at the scene. Our comprehensive network of experienced dealers always guarantees quick and REMKO GmbH & Co. KG reliable service.

This manual is also suitable for:

Kwe 150Kwe 220Kwe 320Kwe 440Kwe 370Kwe 150 inox ... Show all

Table of Contents