Emicon WHA Series Technical Manual

Water to water ground source heat pumps

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WATER TO WATER GROUND SOURCE HEAT PUMPS
WHA
SERIES
TECHNICAL MANUAL
Multiple instructions:
the instructions before
the unit
MTEC.4405.GB-B-122
Instructions

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Summary of Contents for Emicon WHA Series

  • Page 1 WATER TO WATER GROUND SOURCE HEAT PUMPS SERIES TECHNICAL MANUAL Multiple instructions: the instructions before the unit MTEC.4405.GB-B-122 Instructions...
  • Page 2: Declaration Of Conformity

    Water to water ground source heat pumps Declaration of conformity MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 3 ............................4.4 Inspection ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................4.24 Electric connections ......................................................................MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 4: Table Of Contents

    6.5 ALARM ................................................................................................................................... 7. MAINTENANCE OF THE UNIT ................................................................7.2 Access to the unit ........................................................................................................................8. DECOMMISSIONING ................................................................................................................................................................................... MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 5: Preliminary Information

    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.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 6: Potential Risks

    Water to water ground source heat pumps 1.6 Potential Risks POTENTIAL LOCATION OF METHOD OF INJURY PRECAUTIONS RISK RISK Burns. unit enclosure unit. open. Entire unit Entire unit MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 7: Action Required

    Water to water ground source heat pumps 1.7 General Description of Symbols Used BANNED WARNING ACTION REQUIRED MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 8: Electrical Hazard

    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.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 9 +130 °C -30 °C +130 °C Temperatura di progetto Temperatura di progetto Design temperature Design temperature Peso a vuoto Weight Contiene gas fluorurati ad effetto serra. Contains fluorinated greenhouse gasses. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 10: Refrigerant Handling

    2.1 Warning re potentially hazardous toxic substances 2.1.3 Persistence and degradation 2000. 2.1.4 Effects of discharges 2.1.5 Exposure controls and personal protection 2.1.6 Professional exposure limits R410A 2.2 Refrigerant handling MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 11 2.5.2 Contact with skin 2.5.3 Contact with eyes 2.5.4 Ingestion 2.6 First Aid Measures 2.6.1 Inhalation 2.6.2 Contact with skin 2.6.3 Contact with eyes 2.6.4 Ingestion 2.6.5 Further medical treatment MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 12: Technical Characteristics

    Water to water ground source heat pumps 3. TECHNICAL CHARACTERISTICS 3.1 Unit description These 3.1.1 Frame 3.1.2 Refrigerant circuit 3.1.3 Compressors 3.1.4 Source heat exchanger Source 3.1.5 User exchangers 3.1.6 Electric enclosure 3.1.7 Microprocessors MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 13: Other Versions

    These 3.3 Accessories description 3.3.1 Low noise version (LS) This 3.3.2 Rubber vibration dampers (KAVG) 3.3.3 Spring vibration dumpers (KAVM) 3.3.4 Pressure gauges (MAML) 3.3.5 Electronic soft starter (DSSE) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 14 3.3.14 Hydraulic kit with two pumps without tank - user circuit (A2NTU) 3.3.15 Hydraulic kit with two pumps without tank - source circuit (A2NTS) 3.3.16 Hydraulic kit with two pumps without tank - recovery circuit (A2NTR) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 15: Technical Data

    R410A R410A R410A R410A Refrigerant Global warming potential (GWP) 2088 2088 2088 2088 2088 2088 2088 2088 2088 Refrigerant charge Equivalent CO charge Sound power level Sound pressure level MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 16 R410A R410A R410A R410A Refrigerant Global warming potential (GWP) 2088 2088 2088 2088 2088 2088 2088 2088 2088 Refrigerant charge Equivalent CO charge Sound power level Sound pressure level MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 17: Operation Limits

    3.5 Operation limits Source water inlet temperature (°C) Source water inlet temperature (°C) 3.5.2 User hot water temperature (winter operation) 3.5.3 User cold water temperature (summer operation) 3.5.4 Source water temperature MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 18 Water to water ground source heat pumps 3.6 Domestic hot water production 3.6.1 Solution 1 MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 19 This is the solution for existing buildings or for those applications where it is not possible to remove existing plants. possibility of using the existing DHW tank. COLD WATER in the tank. AS MUCH AS POSSIBLE MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 20 1.09 1.22 0.965 0.97 1.14 1.25 0.955 0.965 Water temperature diff.(°C) CCCP 0.99 1.02 IPCF 0.99 1.01 CCCP = Cooling capacity correction factor IPCF = Input power correction factor MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 21: Sound Data

    0.94 IPCF 0.98 0.95 CCCP = Cooling capacity correction factor IPCF = Input power correction factor 3.9 Sound data LOW NOISE VERSION (LS) Octave bands (Hz) Mod. dB(A) dB(A) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 22: Installation

    Water to water ground source heat pumps 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.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 23 Water to water ground source heat pumps 4.4 Inspection In Case of Damage 4.5 Storage 4.6 Unpacking MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 24: Lifting And Handling

    Water to water ground source heat pumps 4.7 Lifting and handling 039-045-050-060-070 190-210-240 080-090-110-120-130-145-162 260-300-320 MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 25 4.8 Location and minimum technical clearances Mod. 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 Mod. 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 26 Water to water ground source heat pumps 4.9 Installation of rubber vibration dampers (KAVG) 4 hole Ø E 4.10 Serial interface card RS485 (INSE) TELEPHONE LINE MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 27 Water to water ground source heat pumps 4.11 Source water pump installation 2…10 2…10 0…10 0…10 4.12 Hydraulic connections MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 28 4.14 User circuit minimum water content Model Minimum water content (l) 1000 1200 1500 Safety valve (bar) Model Minimum water content (l) 1700 1900 2100 1200 1500 1700 1900 2100 Safety valve (bar) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 29 4.16 Chemical characteristics of source water circuit Carbonic acid dissolved Gas chloride free Hydrogen peroxide sulfur Manganese Ammonia Nitrate Chloride Oxygen Chloride free Sulphate Electrical conductivity Iron pH Value MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 30: Hydraulic Components

    Water to water ground source heat pumps 4.17 Hydraulic components WHA A1NT nection of the unit. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 31 Water to water ground source heat pumps 4.17.1 Solution 1 10 mt MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 32 Water to water ground source heat pumps 4.17.2 Solution 2 10 mt MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 33 Water to water ground source heat pumps 4.17.3 Solution 3 6 mt Collector probes MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 34: Filling The Hydraulic Circuit

    1200 1500 1700 1900 2100 1500 2000 2100 Safety valve (bar) all’utenza e la sua corretta temperatura nel lungo periodo 4.19 Filling the hydraulic circuit 4.20 Emptying the installation MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 35: Typical Installations

    Water to water ground source heat pumps 4.21 Typical installations 4.21.1 Combined heating / Cooling / Domestic hot water production – 2 pipe system STANDARD OPTIONS NOT AVAILABLE MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 36 Water to water ground source heat pumps 4.21.2 Combined heating / Cooling / Domestic hot water production – 4 pipe system STANDARD OPTIONS NOT AVAILABLE MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 37: Frost Protection

    Water to water ground source heat pumps FROST PROTECTION MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 38: Electric Data

    4.23 Electric data Model Power supply Control board Auxiliary circuit Line section PE section Model Power supply Control board Auxiliary circuit Line section PE section present in the units. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 39 4.24.1 Remote wiring connections (compulsory) USER CIRCUIT WATER INLET SENSOR (BTI) USER CIRCUIT WATER PUMP DOMESTIC HOT WATER SENSOR (BTS) DOMESTIC HOT WATER CIRCUIT PUMP WEATHER COMPENSATED SENSOR (BTE) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 40 REMOTE SUMMER / WINTER CHANGE OVER REMOTE GENERAL ALARM 90-91-92. DOMESTIC HOT WATER CIRCUIT FLOW SWITCH (SW6 versions only) USER CIRCUIT ELECTRIC INTEGRATION HEATERS DOMESTIC HOT WATER ELECTRIC INTEGRATION HEATERS MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 41 SOURCE WATER 2 WAY MODULATING VALVE (4-20mA; 0-10V) (VM2O) 126-21 ± 24 W (supply) 25 Modulation signal PUMP SOURCE USER CIRCUIT WATER OUTLET SENSOR (BTO) DOMESTIC HOT WATER OUTLET SENSOR (BTU) USER CIRCUIT FLOW SWITCH (SFW1) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 42 Correct positioning of the BTI sensor Incorrect positioning of the BTS sensor 4.26 Positioning of the domestic hot water circuit sensor (BTS) Correct positioning of the BTS sensor Incorrect positioning of the BTS sensor MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 43 Ø 12 Ø 12 Ø H Ø L VMAS Ø 12 Ø L YTUT Ø H Ø H Ø L Ø 10 YTSO Ø L BTASE BTASI VMAS YTSO YTUT MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 44: Unit Start Up

    Water to water ground source heat pumps 5. UNIT START UP 5.1 Preliminary checks 5.1.1 Before start-up • • • • • • • • • • • • • MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 45 5.1.2 Safety device setting Device Set-point Differential Reset ----- ----- ----- MANUAL support. 5.1.3 Controls during unit operation • • • 5.1.4 Refrigerant charge checking • After • • • • MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 46: Description Of The Control Panel

    Indicates that an alarm is active. Domestic hot water. Economy function Indicates that the defrost is active. Unloading function (not available). Only cooling mode (chiller) Heat pump mode Domestico hot water mode MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 47 CIRC Stand-by Stand-by 00:00 01/01/2014 Evaporator inlet temperature 30.0 °C Evaporator outlet temperature °C 35.0 External air temp. (FC) °C San. water temperature 50.0 °C PROBES ALARM SERVICE CIRC. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 48: Remote Keyboard Connection

    Water to water ground source heat pumps 5.4 Remote keyboard connection ENTER ENTER • • 5.4.1 Wall mounting connection diagram MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 49: Use

    Water to water ground source heat pumps 6. USE 6.1 Switch the unit on Unit 6.1.1 Switch the unit on from the keyboard Cooling mode Heating mode Domestic hot water mode MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 50: Stop

    External air temp. (FC) °C External air temp. (FC) °C 31.8 31.8 San. water temperature 47.6 °C San. water temperature 47.6 °C PROBES ALARM SERVICE CIRC. PROBES ALARM SERVICE CIRC. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 51 External air temp. (FC) °C 35.0 °C HP real set San. water temperature 50.0 °C ALARM PROBES ALARM SERVICE CIRC. press Press 6.3.1 Adjustable parameters Function Adjustment limit Default value MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 52: Alarm Key

    Active 30.0 °C Evaporator inlet temperature Evaporator outlet temperature 35.0 °C External air temp. (FC) °C San. water temperature 50.0 °C PROBES ALARM SERVICE CIRC. RESET ESC RST ALL MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 53 Circuit Comp. status Circuit Comp. status Evaporating-condensing probe Evaporating-condensing probe Circuit 1 Circuit 1 High press. High press. Low press. Low press. Circuit Circuit 1 1 36.2 bar N.C. ALARM ALARM MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 54 San. water temperature PROBES ALARM SERVICE CIRC. EXIT ENTER SERVICE ENTER Service Service Service Service 1st level pass 2nd level pass Enter 0 0 0 EXIT ENTER EXIT ENTER MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 55 Water to water ground source heat pumps ALARM ENTER ALARM ENTER Press the SERVICE Press ENTER press MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 56 St04 35.0 °C Chiller set point ALARM ENTER ALARM SP: Setup SP: Setup Parameter programming Parameter programming 1st level 1st level SP14 Serial address Serial address ALARM ENTER ALARM MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 57 Parameter programming Sd01 °C 1st level 1st level Sd02 10.0 °C Sd03 °C Sd04 20.0 °C Max increase in chiller dynamic set ALARM ENTER ALARM Press Weather compensated function MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 58 Start of work time band 1 ALARM ENTER ALARM Parameter programming Parameter programming FS02 1st level 1st level FS03 45.0 °C FS04 °C Sanitary water priority Sanitary water priority ALARM ENTER ALARM EXIT MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 59 Disabled Disabled ALARM Energy saving Energy saving Auto ON-OFF Auto ON-OFF Disabled Disabled Disabled Disabled Monday Monday Disabled Disabled Disabled Disabled Tuesday Tuesday Disabled Disabled Disabled Disabled Wednesday Wednesday MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 60 6.7.4 Water pumps ENTER RESET HOURS Water pumps Water pumps Hour Evaporator water pump RESET ENB/DIS HOURS 6.7.6 Alarms ENTER Alarms Alarms Active Clock alarm ESC RST ALL RESET MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 61 Combined defrost start set Combined defrost start set Reale defrost set point Reale defrost set point Combined defrost end set Combined defrost end set 5.0 °C ALARM EXIT ALARM EXIT MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 62 Analog output Digital input Digital output ALARM ENTER 6.7.12 Auxiliary output ENTER Auxiliary output status Auxiliary output status 51.3 °C External air temp.: San.water sec. t.: 17.6 °C ALARM MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 63 45.3 °C Sanitary water Set point Antilegionella set point 50.0 °C 60.0 °C Security set point 50.0 °C San. water sec. t. 17.6 °C ALARM ALARM 6.8 Acoustic signal silencing MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 64: Maintenance Of The Unit

    Water to water ground source heat pumps 7. MAINTENANCE OF THE UNIT 7.1 General warnings • • • 7.2 Drive access MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 65: Scheduled Maintenance

    Water to water ground source heat pumps 7.3 Scheduled maintenance Search for leaks CASE Visual Inspection Pressure Test 7.4 Periodical and start up checks MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 66 7.4.1 Electrical system and adjustment Frequency Action to be performed As neces- 7.4.2 Condensing coils and fans Frequency Action to be performed As neces- present every three months or more MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 67 Water to water ground source heat pumps 7.4.3 Compressors Frequency Action to be performed As neces- 7.5 Refrigerant circuit repair MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 68: Decommissioning

    Water to water ground source heat pumps Therefore: • • • • • • 8. DECOMMISSIONING 8.1 Disconnect the unit • • • • • 8.2 Disposal, recovery and recycling 8.3 RAEE Directive (only UE) MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 69: Diagnosis And Troubleshooting

    Alarm Description Cause Solution ACF1..ACF19 AEFL ACFL AEUn AHFL AP1...AP10 Pb AL1 ... Pb AL10 nection of the sensor to the AP11...AP20 sensor. AP21...AP27 AtC1 AtC1 AtE1 AtE2 AEht MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 70 Water to water ground source heat pumps AEM1 AEM2 AFFC Antif AL FC Atrb ALc1 Generic AL1 ALc2 Generic AL2 Probe fault tions. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 71 Water to water ground source heat pumps Circuit alarms Code Visualization Alarm Description Cause Solution Restore the correct user B(n)HP b(n)AC b(n)AH stet point. b(n)dF Restore the correct user b(n)hP B(n)LP b(n)lP b(n)tF b(n)Cu MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 72 Water to water ground source heat pumps Compressors alarms Code Visualization Alarm Description Cause Solution C(n)tr C(n)oP C(n)dt Other alarms Visualization Alarm Description Cause Solution Termostatic expansion valves AL! Flowmeter transd. MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 73 Water to water ground source heat pumps MTEC.4405.GB-B-122 Operation and maintenance manual WHA series English Rev. B 03-2021...
  • Page 74 ENEX TECHNOLOGIES...

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