Emicon RWS Kp Series Instructions For Installation, Use And Maintenance Manual
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Emicon RWS Kp Series Instructions For Installation, Use And Maintenance Manual

Indoor monoblock chillers and heat pumps water condensed equipped with semihermetic reciprocated compressors cycle inversion on user side
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RWS / PWS Kp - Ka - Kh - Ke
INDOOR MONOBLOCK CHILLERS AND HEAT PUMPS
WATER CONDENSED
EQUIPPED WITH SEMIHERMETIC RECIPROCATED COMPRESSORS
(CYCLE INVERSION ON USER SIDE)
INSTALLATION, USE AND MAINTENANCE
TECHNICAL MANUAL
Multiple instructions:
the instructions before
the unit
MTEC.RWS-PWS.GB-1
RWS-PWS
Rev. 4 10-2023

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  • Page 1 RWS / PWS Kp - Ka - Kh - Ke INDOOR MONOBLOCK CHILLERS AND HEAT PUMPS WATER CONDENSED EQUIPPED WITH SEMIHERMETIC RECIPROCATED COMPRESSORS (CYCLE INVERSION ON USER SIDE) INSTALLATION, USE AND MAINTENANCE TECHNICAL MANUAL Multiple instructions: the instructions before the unit MTEC.RWS-PWS.GB-1 RWS-PWS Rev.
  • Page 2 RWS / PWS Kp - Ka - Kh - Ke Declaration of conformity MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...

  • Page 3: Table Of Contents

    RWS / PWS Kp - Ka - Kh - Ke INDEX 1. INTRODUCTION ..............................................................................................................................................................................................................................................................................................................................................2. SAFETY ....................................................................................................................................................................................3. TECHNICAL CHARACTERISTICS ..............................................................................................................................................................
  • Page 4 RWS / PWS Kp - Ka - Kh - Ke 6.7 SERVICE ..............................................................................................7. UNIT MAINTENANCE .................................................................... 7.2 Access to the unit ............................................................................................................................8. DECOMMISSIONING ..................................................................................................................................................................................10. DIMENSIONAL DRAWINGS ................................MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.

  • Page 5: Introduction

    RWS / PWS Kp - Ka - Kh - Ke 1. INTRODUCTION 1.1 Preliminary information these instructions. 1.2 Aim and content of the manual instructions. 1.3 How to store this manual user. 1.4 Manual Update 1.5 How to use this manual MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 6 RWS / PWS Kp - Ka - Kh - Ke 1.6 Potential Risks LOCATION OF POTENTIAL RISK METHOD OF INJURY PRECAUTIONS RISK Burns. severe burns. unit enclosure severe burns. severe burns. Entire unit Entire unit MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 7 RWS / PWS Kp - Ka - Kh - Ke 1.7 General Description of Symbols Used BANNED WARNING ACTION REQUIRED MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 8 RWS / PWS Kp - Ka - Kh - Ke 1.8 Safety symbols used GENERAL RISK ELECTRICAL HAZARD MOVING PARTS HOT SURFACES SHARP SURFACES EARTH CONNECTION READ AND UNDERSTAND THE INSTRUCTIONS RECOVER OR RECYCLE MATERIAL 1.9 Limitations and prohibited use MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 9 RWS / PWS Kp - Ka - Kh - Ke TEL.+39 0543495611 FAX+39 0543 495612 NB 0948 B 0948 Via A.Volta 49 Meldola FC ITALY MODELLO ANNO DI COSTRUZIONE / PED CATEGORIA MODEL 2019 MANIFACTURE YEAR / PED CATEGORY MODèLE JAHR VON KONSTRUCT / PED KATEGORIE ED KAT MODEL...

  • Page 10: Safety

    RWS / PWS Kp - Ka - Kh - Ke 2. SAFETY 2.2 Warning on potentially dangerous toxic substances WARNING! The refrigerante R290 (PROPANE) is flammable and it must be handled only by competent and responsible operators, under the conditions spe- cified in the safety regulations in force.
  • Page 11 RWS / PWS Kp - Ka - Kh - Ke Sulfur 2.1.3 Persistence and degradation 2.1.4 Effects of discharges 2.1.5 Exposure controls and personal protection 2.1.6 Professional exposure limits MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 12 RWS / PWS Kp - Ka - Kh - Ke 2.2 Refrigerant handling Users and maintenance personnel must be adequately informed about the possible risks of handling potentially toxic substances. Failure to follow such instructions can cause damage to personnel or to the unit. 2.3 Prevent inhalation of high vapor concentration Atmospheric concentrations of refrigerant must be minimized and kept to a level that is below the occupational exposure limit.

  • Page 13: Technical Characteristics

    RWS / PWS Kp - Ka - Kh - Ke 3. TECHNICAL CHARACTERISTICS 3.1 Unit description The packaged water cooled chillers and heat pumps of RWS / PWS series are suitable for internal installations and are particularly indicated 3.1.1 Frame 3.1.2 Compressors 3.1.3 User side exchanger 3.1.4 Regenerative exchanger (only RWS Kp/PWS Kp)
  • Page 14 RWS / PWS Kp - Ka - Kh - Ke 3.1.7 Microprocessor 3.1.8 Safety gas sensor (only for Kp / Kh) MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 15 RWS / PWS Kp - Ka - Kh - Ke Note: The red lamping signal on the door of the electrical panel indicates the refrigerant leakage and also the washing fan thermal alarm (to be manual reset inside the electrical cabinet), in this case the washing fan will stop, the forced ventilation is done anymore and the unit is stopped (POWER OFF).
  • Page 16 RWS / PWS Kp - Ka - Kh - Ke SNMP or TCP/IP Protocol serial interface Phase monitor MP ADV MP advanced control for MSC - up to n.2 units Up to two units Advanced Cascade system - up to n.6 units MSHWEV Remote monitoring for units in cascade Panel porthole for display Rubber-type vibration dampers:...
  • Page 17 RWS / PWS Kp - Ka - Kh - Ke 3.3 Technical data RWS / PWS Kp 521 VS 591 VS 721 VS 871 VS 1001 VS Refrigerant data R290 Condenser Evaporator Weights Dimensions 1930 1930 1930 1930 1930 Depth 1050 1050 1050...
  • Page 18 RWS / PWS Kp - Ka - Kh - Ke RWS / PWS Kp 1402 1702 2102 2404 2904 3404 Refrigerant data R290 Condenser Evaporator Weights 1262 1390 1490 2504 2596 2788 1276 1404 1516 2534 2626 2818 Dimensions 3420 3420 3420 5650...
  • Page 19 RWS / PWS Kp - Ka - Kh - Ke 3.4 Operational limits Condenser water temperature (°C) Standard unit, cooling mode Standard unit, cooling mode with glycol 3.4.1 User heat exchanger water flow rate The nominal water flow rate provided, relates to a ΔT of 5°K. The maximum flow rate allowed is one that provides a ΔT of 3°K. Higher values may cause too high a pressure drop.
  • Page 20 RWS / PWS Kp - Ka - Kh - Ke 3.5 Correction tables 3.5.1 Operation with glycol Glycol percentage Freezing point (°C) IPCF WFCF PDCF -3.2 0.985 1.02 1.08 -7.8 0.98 0.99 1.05 1.12 -14.1 0.97 0.98 1.09 1.22 -22.3 0.965 0.97 1.14...
  • Page 21 RWS / PWS Kp - Ka - Kh - Ke 3.6 Sound data Lp10 Octave bands (Hz) Mod. dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) 521 VS Kp 591 VS Kp 721 VS Kp 871 VS Kp 1001 VS Kp 1402 Kp 1702 Kp...

  • Page 22: Installation

    RWS / PWS Kp - Ka - Kh - Ke 4. INSTALLATION 4.1 General safety guidelines and and use of symbols tion. 4.2 Health and safety Considerations 4.3 Personal protective equipment MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.

  • Page 23: Inspection

    RWS / PWS Kp - Ka - Kh - Ke 4.4 Inspection In Case of Damage 4.5 Transport and handling MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 24 RWS / PWS Kp - Ka - Kh - Ke 4.6 Storage 4.6 Unpacking 4.7 Lifting and handling 4.8.1 Unit with 1 compressor 4.8.2 Unit with 2 compressors 4.8.3 Unit with 3 compressors MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 25 RWS / PWS Kp - Ka - Kh - Ke 4.8 Location and minimum technical clearances MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 26 RWS / PWS Kp - Ka - Kh - Ke RWS kp 1650 1050 1930 2000 2000 2000 VS Kp 591 VS Kp 1650 1050 1930 2000 2000 2000 721 VS Kp 1650 1050 1930 2000 2000 2000 871 VS Kp 1650 1050 1930...
  • Page 27 RWS / PWS Kp - Ka - Kh - Ke The connection of the unit to the system must be carried out in such a way that the fluid to be cooled circulates in the evaporator in the correct direction. To this purpose, the pipes must be connected in compliance with the instructions given in the connection on the unit.
  • Page 28 RWS / PWS Kp - Ka - Kh - Ke 4.12 Chemical characteristics of the water Table key Important Note: The following paratmeters can also influence the corrosion resistence + Good resistance under normal conditions Temperature: The data in the table are based water temperature of 20°C unless otherwise is stated.
  • Page 29 RWS / PWS Kp - Ka - Kh - Ke 4.13 User circuit minimum water content 4.14 Filling the hydraulic circuit • • • • • 4.15 Emptying the installation • • • MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 30 RWS / PWS Kp - Ka - Kh - Ke FROST PROTECTION MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 31 RWS / PWS Kp - Ka - Kh - Ke 4.17 Electric data The use of the unit with a power supply with higher variations than those indicated will invalidate the warranty. RWS / PWS 1001 1402 Power supply Control board Auxiliary circuit Fans power supply Line section...

  • Page 32: Unit Start Up

    RWS / PWS Kp - Ka - Kh - Ke 5. UNIT START UP 5.1 Preliminary checks 5.1.1 Before start-up • • • • • • • • • • • • • MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 33 RWS / PWS Kp - Ka - Kh - Ke 5.1.2 Commissioning 5.1.3 Device and security Set-point Set-point Differential Device Reset Ka / Ke Ka / Ke ----- MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 34 RWS / PWS Kp - Ka - Kh - Ke 5.1.4 Controls during unit operation • • 5.1.5 Safety valves people. MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 35 RWS / PWS Kp - Ka - Kh - Ke 5.2 Position of the control panel 5.3 Description of the control panel Unit ON: Cooling Unit ON: Cooling 00:00 01/01/2014 Evaporator inlet temperature 12.0 °C Evaporator outlet temperature °C External air temp. (FC) °C PROBES ALARM...
  • Page 36 RWS / PWS Kp - Ka - Kh - Ke 5.3.2 Key function PROBES ALARM SERVICE CIRC Stand-by Stand-by 00:00 01/01/2014 Evaporator inlet temperature 12.0 °C Evaporator outlet temperature °C External air temp. (FC) °C San. water temperature PROBES ALARM SERVICE CIRC.
  • Page 37 RWS / PWS Kp - Ka - Kh - Ke 5.4 To remote the control 5.4.1 Remote keyboard connection (VGI890) ENTER Rosso / Red Nero / Black Nero / Black Bianco / White Bianco / White Rosso / Red • •...

  • Page 38: Use

    RWS / PWS Kp - Ka - Kh - Ke 6. USE 6.1 Switch the unit on Unit 6.1.1 Switch the unit on from the keyboard 6.1.2 Cooling mode Unit ON: Cooling Unit ON: Cooling 00:00 01/01/2014 Evaporator inlet temperature 12.0 °C Evaporator outlet temperature...

  • Page 39: Stop

    RWS / PWS Kp - Ka - Kh - Ke 6.1.4 Switch the unit on from from digital input Remote OFF Remote OFF 00:00 01/01/2014 Evaporator inlet temperature 12.0 °C Evaporator outlet temperature °C PROBES ALARM SERVICE CIRC. 6.2 Stop T3 .
  • Page 40 RWS / PWS Kp - Ka - Kh - Ke press Once Press EXIT 6.3.1 Adjustable parameters Function Adjustment limit Default value 6.4 PROBES key PROBES Stand-by Stand-by 00:00 01/01/2014 Evaporator inlet temperature 12.0 °C Evaporator outlet temperature °C PROBES ALARM SERVICE CIRC.

  • Page 41: Alarm

    RWS / PWS Kp - Ka - Kh - Ke Probes visualization Probes visualization Evaporator inlet temperature 28.0 °C Evaporator outlet temperature 26.6 °C Condenser press./temp.circ.1 18.8 ALARM EXIT Press EXIT 6.5 ALARM key Press ALARM Unit ON: Heating Unit ON: Heating Alarms Alarms 00:00 01/01/2014...

  • Page 42: Circ

    RWS / PWS Kp - Ka - Kh - Ke 6.6 CIRC key CIRC ENTER State of the compressors level of step control. Unit ON: Heating Unit ON: Heating 00:00 01/01/2014 12.0 °C Evaporator inlet temperature °C Evaporator outlet temperature PROBES ALARM SERVICE CIRC.
  • Page 43 RWS / PWS Kp - Ka - Kh - Ke Unloading status Unloading status Compressor status Compressor status Circuit 1 Circuit 1 Circuit 1 Circuit 1 unloading not ongoing 51 % Circuit 2 Circuit 2 Circuit 2 Circuit 2 ALARM EXIT ALARM EXIT...
  • Page 44 RWS / PWS Kp - Ka - Kh - Ke 6.7 SERVICE key ENTER EXIT ENTER EXIT Press the SERVICE ENTER SET to select Press the EXIT MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 45 RWS / PWS Kp - Ka - Kh - Ke 6.7.1 Service parameters setting ENTER. 1st level password (Pr1) 1st level password (Pr1) ALARM EXIT 1st level password (Pr1) 1st level password (Pr1) Password OK! Press ENTER to continue ALARM ENTER EXIT ENTER...
  • Page 46 RWS / PWS Kp - Ka - Kh - Ke Parameter group selection Parameter group selection St01 10.0 °C St02 °C 15.0 °C St03 St04 40.0 °C Set point Set point Summer set point Summer set point ALARM ENTER EXIT ALARM EXIT Parameter group selection...
  • Page 47 RWS / PWS Kp - Ka - Kh - Ke 6.7.2 Setting date and time ENTER. Clock setting Clock setting : 07 Energy saving Energy saving Disabled Disabled Data setting Data setting 05 / 7 / 14 ON/OFF scheduling ON/OFF scheduling Disabled Disabled Dat of the week...
  • Page 48 RWS / PWS Kp - Ka - Kh - Ke 6.7.3 Compressor maintenance ENTER. ENTER ENB/DIS Circuit 1 Circuit 1 Compressor mainteinance Compressor mainteinance Status Hour Start-up Reset Comp 1 Comp 1 Comp 1 abilitato Circuit 1 Circuit 2 ALARM ENTER EXIT ALARM ENB/DIS...
  • Page 49 RWS / PWS Kp - Ka - Kh - Ke 6.7.6 Alarms ENTER. Alarms Alarms b1HP b1HP Attivo Active Aktiv Clock alarm RST ALL RESET EXIT 6.7.7 Alarm log ENTER. RST ALL Alarm log Alarm log b1HP b1HP High pressure circuit 1 b1AC b1AC Antifreeze circuit 1 in summer mode...
  • Page 50 RWS / PWS Kp - Ka - Kh - Ke Press Defrost circ. 1: Defrost circ. 1: cycle not in progress Defrost circ. 1: Defrost circ. 1: cycle not in progress Condenser 1 probe Condenser 1 probe Defrost end set Defrost end set 36.2 bar 36.2 bar...
  • Page 51 RWS / PWS Kp - Ka - Kh - Ke 6.7.11 Screw compressor (If available) ENTER. ENTER Screw compressors Screw compressors Screw compressors circ. 1 Screw compressors circ. 1 Discharge temperature Discharge temperature 86.0 °C Disch.temp.alarm Disch.temp.alarm 100.0 °C 10.0 °C Liquid injection valve Liquid injection valve Liquid inject.
  • Page 52 RWS / PWS Kp - Ka - Kh - Ke 7. MAINTENANCE OF THE UNIT 7.1 General warnings • • • MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 53 RWS / PWS Kp - Ka - Kh - Ke 7.2 Drive access 7.3 Routine maintenance Sight Inspection CASE Pressure test Leak detection (par. 4.2, p.ti a - l) MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 54 RWS / PWS Kp - Ka - Kh - Ke 7.4 Periodical checks 7.4.1 Electrical system and control devices Frequency Actions Once MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 55 RWS / PWS Kp - Ka - Kh - Ke 7.4.2 Condensing coils fans and cooling circuit Frequency Actions Once 7.4.3 Compressor Frequency Actions Once MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 56 RWS / PWS Kp - Ka - Kh - Ke 7.4.5 Check and calibration of the refrigerant leak detector (Only for Kp / Kh) tions: • • • • the unit. 7.4.7 End of seasons 7.4.8 Unit OFF MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 57 RWS / PWS Kp - Ka - Kh - Ke 7.5 Refrigerant circuit repair Therefore: • • • • • • MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 58 RWS / PWS Kp - Ka - Kh - Ke 8. DECOMMISSIONING 8.1 Disconnect the unit • • • • • 8.2 Disposal, recovery and recycling 8.3 RAEE Directive (only UE) MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev.
  • Page 59 RWS / PWS Kp - Ka - Kh - Ke 9. DIAGNOSIS AND TROUBLESHOOTING PEATED RESET MAY RESULT IN IRREVOCABLE DAMAGE TO THE UNIT AND IMMEDIATELY VOID THE WARRANTY Code Alarm Description Cause Solution da ACF1 a ACF15 AEFL AEUn b1 Cu b2 Cu b1 Eu...
  • Page 60 RWS / PWS Kp - Ka - Kh - Ke Code Alarm Description Cause Solution B1 HP circuit 1 B2 HP circuit 2 b1AC b2AC b1AH b2AH b1dF b2dF b1hP b2hP circuit 1 - circuit 2 B1LP B2LP circuit 1 - circuit 2 b1lP b2lP circuit 1 - circuit 2...
  • Page 61 RWS / PWS Kp - Ka - Kh - Ke 10. DIMENSIONAL DRAWING MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 62 RWS / PWS Kp - Ka - Kh - Ke MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 63 RWS / PWS Kp - Ka - Kh - Ke MTEC.RWS-PWS.GB-1 Operation and maintenance manual RWS-PWS Kp-Ka-Kh-Ke - series English Rev. 4 10-2023...
  • Page 64 EMICON AC SPA...

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