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Two heat pumps, condensers in parallel, and evaporators in series

Flow diagram example 2xHP con_p eva_s ver. 2

Position

Description

1

Customer LV. switchgear

2

Control cabinet

3

Desuperheater

4

Evaporator

5

Subcooler

6

Condenser

7

Compressor

1FS11

Flow switch

20 (61)

EXERE01 2150EN

Содержание Exergy RE 210

Страница 1: ...EXERE01 2150EN 13 January 2022 RF SVX004A GB Installation and operation manual Exergy RE 210 RE 420 Read these instructions carefully before installation use or maintenance...

Страница 2: ......

Страница 3: ...cking cold circuit 25 4 4 Checking safety valve blow off pipe 26 4 5 Checking refrigerant circuit 26 4 6 Checking electrical connections and the control cabinet 26 4 7 First start up 27 4 8 Commission...

Страница 4: ...5 12 Controlling actuators 53 5 13 Viewing PID controller values 54 5 14 Trends view 55 6 Maintenance 6 1 Regular check and maintenance 58 6 2 Troubleshooting 59 2 61 EXERE01 2150EN...

Страница 5: ...cal diagrams available near the device Oilon products are manufactured according to general product standards and directives and based on our best knowledge about product design and technologies Opera...

Страница 6: ...gloves and safety goggles when necessary Installation may involve hot work such as welding Hot work may only be performed by authorized and trained personnel adhering to all local regulations and requ...

Страница 7: ...cal state Gas at typical ambient temperatures Classifications ANSI ASHRAE 34 Safety Group R 1234ze A2L HMIS Classification Health 1 Flammability 1 Reactivity 0 NFPA Classification Health 2 Flammabilit...

Страница 8: ...erator is available Get medical attention immediately DO NOT give epinephrine adrenaline INGESTION Ingestion is unlikely because of the low boiling point of the material Should it occur discomfort in...

Страница 9: ...e probability of liquid contact wear chemical safety goggles DISPOSAL CONSIDERATIONS Not a hazardous waste WARNING DO NOT vent to the atmosphere To comply with provisions of the U S Clean Air Act any...

Страница 10: ...the manufacturer must be informed The heat pump must be stored in a dry place where the temperature is at least 5 C Transfer models S RE P 220 450 Move the heat pump with a forklift or two pallet jac...

Страница 11: ...Depending on the model the heat pump includes one of the refrigerants listed in table below Refrigerant Details R134a Norfluorane 1 1 1 2 Tetrafluoroethane R1234ze E trans 1 3 3 3 tetrafluoropropene...

Страница 12: ...local laws and regulations Batteries Batteries can be hazardous for the environment Consequently if the heat pump includes an electronic device with an internal battery the battery must be appropriate...

Страница 13: ...6 Compressor maximum operating current A 166 332 330 Fuse size A 3 x 200 3 X 400 3 x 400 Protection degree control cabinet IP44 Refrigerant circuit The refrigerant charge values presented here are bas...

Страница 14: ...ons when installing the heat pump General site requirements The installation site must have a sufficient structural capacity The installation site must have a floor drain Select the installation site...

Страница 15: ...y valves blow off pipes to outside the building in a location where a refrigerant discharge does not pose a risk Also check the requirements of local standards laws and other regulations concerning bl...

Страница 16: ...ntrol panel 6 Refrigerant pressure double relief valve with change valve 3 Evaporator 7 Dryer filter 4 Condenser 3 3 System design and sizing the heat pump Heat pump or pumps must be selected and conf...

Страница 17: ...ipe before the flow switch minimum length 4 x pipe diameter Place the switch on the side of the pipe not on the bottom due to dirt nor on the top due to air Install the flow switch in a G1 2 sleeve ma...

Страница 18: ...hat the system is depressurized The following flow diagrams are only examples of various connection principles Always check the final connections from the diagrams delivered with the heat pump Legend...

Страница 19: ...erant circuit Flow diagram example 1xHP 1xref circuits ver 2 Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor 1FS11 Flo...

Страница 20: ...rant circuits Flow diagram example 1xHP 2xref circuits ver 1 Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor 1FS11 Flo...

Страница 21: ...and condensers in parallel Flow diagram example 2xHP con_p eva_p ver 2 Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor...

Страница 22: ...and evaporators in series Flow diagram example 2xHP con_p eva_s ver 2 Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor...

Страница 23: ...and evaporators in parallel Flow diagram for 2xHP con_s eva_p ver 2 Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor 1F...

Страница 24: ...Position Description 1 Customer LV switchgear 2 Control cabinet 3 Desuperheater 4 Evaporator 5 Subcooler 6 Condenser 7 Compressor 1FS11 Flow switch The customer determines final pipe sizes The fllow s...

Страница 25: ...ried out by authorized and trained personnel only Before performing any work on electrical components make sure that there is no voltage present Do not connect devices that draw over 2 A of current di...

Страница 26: ...ices have expert knowledge about heating and cooling systems be familiar with the heat pump control system It is recommended that an authorized and certified expert performs commissioning Tasks to be...

Страница 27: ...0 08 mm in open circuits 7 Check that all threaded flange and or welded connections to the heat pump are properly made and tightened 8 Check the pipe insulation 9 Make sure that all pipes are properly...

Страница 28: ...or loosened during transport 2 Check screws and flange connections 3 Check oil and refrigerant levels and make sure that there are no leaking connections Use an electronic sniffer but note that they...

Страница 29: ...int Note down the original setting and reset after testing 11 Check that the communication interface is connected and correctly set up Refer to the instructions and settings in the Modbus communicatio...

Страница 30: ...Control settings Set the power control options Green in use white not in use Cold side settings Set the options for the cooling side of the heat pump Green in use white not in use 28 61 EXERE01 2150EN...

Страница 31: ...n the Start button turns green the heat pump is permitted to start 4 8 Commissioning the system Carry out commissioning tasks according to this check list Pay special attention to the leakage test Mea...

Страница 32: ...he Heat pump leakage check list of the Commissioning report Verifying certificates documents and approvals Make sure that the pre commissioning certificate is completely filled and signed by the perso...

Страница 33: ...i Fi establish a Wi Fi connection as you would with any other device The network ID is Chillheat and the password 0il0nm0bile Open a web browser In the address bar enter http 10 20 30 1 Connecting wit...

Страница 34: ...orted 4 10 Master Slave operation setting up parallel units Physical configuration 1 Start the circulation and open up all throttling valves to the fully open position a If the circuit is capacity con...

Страница 35: ...slave heat pumps must be set under remote control Open the slave heat pump s Control settings view see section Control settings Press the remote setpoint button see the figure below Master Slave oper...

Страница 36: ...em is running at the maximum flow 2 Measure the individual flows and compare to the specified flows Measured total flow m3 h or kg s If the flow notably deviates from the specified flow search for the...

Страница 37: ...ingle machine both for cooling and heating Our heat pumps are well suited for heating and cooling applications either as dedicated cooling or heating solutions or as a combined solution It is possible...

Страница 38: ...it collects heat energy which causes the temperature in the fluid to rise The fluid completes its circuit by returning to the evaporator and releasing the heat energy into the refrigerant which circu...

Страница 39: ...t pump to cool down one part of a process heat is generated as a by product The generated heat can be used effectively in another process which requires heat The typical coefficient of performance COP...

Страница 40: ...e be channelled into the district heating network improving the efficiency of the plant and increasing the total heat output The free heat sources can be put to use for heating spaces and producing ho...

Страница 41: ...m has the following features Clear easy to use graphical user interface and reliable programmable industrial controller with support for controlling multiple units Modbus and Profibus protocols availa...

Страница 42: ...umption 5 Switch to the Process view 12 Heated water out 6 Heating COP 13 Heated water in 7 Power 0 100 14 Heat energy produced Process view The Process view allows you to view key process values and...

Страница 43: ...surements will also be displayed Note that these buffer tanks must be enabled in the Warm settings or the Cold settings view see section Cold side and warm side settings before they are displayed Star...

Страница 44: ...ocess values Process screen center ver 3 A number of key process values are shown in the center of the process view A Cold side values B Warm side values Pres Suction pressure Pres Discharge pressure...

Страница 45: ...Pos Item Description 1 Start difference and stop difference These values specify how much the temperature must exceed or fall below the setpoint before the unit will be started or stopped for example...

Страница 46: ...The setpoint can be specified either in the Home view or by tapping on the setpoint values in the Control settings view B Dynamic The setpoint will calculated based on current outdoor temperature and...

Страница 47: ...et temperature values for each outdoor temperature Tap to adjust each value The values along the X axis each indicate a specific outdoor temperature point To specify an outlet flow temperature for a g...

Страница 48: ...ly schedule select the days on which the timed setpoint should apply Then specify the hours between which the temporary setpoint will be active In the figure above the setpoint will be used on Mondays...

Страница 49: ...erature will be used as the setpoint and the pump will run even if the heat pump is off Temperature difference always on temperature difference will be used as the setpoint and the pump will run even...

Страница 50: ...t temperature Buffer tank ver 1 Energy meter To edit the kilowatt hours per pulse value tap the value field Settings present only in the Cold side view Flow switch Deactivating the flow switch can res...

Страница 51: ...he flag button will change to match the selected language Set the current date and time Set the time zone Adjust Ethernet settings Setting language In the Other settings view tap on the flag button Th...

Страница 52: ...10 Changing user level Some functions require logging in as an Expert user When trying to access such functions you will be asked to log in The Login dialog box appears Login screen ver 4 1 From the...

Страница 53: ...s or pump s icon in the Process view Viewing on off controlled motor ver 4 Pos Item Description 1 Motor status pop up window Pop up window for on off controlled motors Displays the current motor stat...

Страница 54: ...p the relevant compressor s or pump s icon in the Process view Speed controlled motors often have additional PID related settings Viewing speed controlled motor ver 5 Pos Item Description 1 Motor stat...

Страница 55: ...2 Pos Item Description 1 Actuator popup window Pop up window for actuators Allows the valve actuator to be controlled manually if required 2 Close button Closes the pop up window 3 Auto Manual toggle...

Страница 56: ...Pos Item Description 1 PID pop up window PID proportional integral derivative pop up window 2 Close button Closes the popup 3 PV value A bar display of the process variable value 4 SP value A bar disp...

Страница 57: ...ge distance P gain 5 Deadbandwidth The area around the setpoint where control does not move 6 P out Difference P gain 7 I out I out difference P gain I Time Example I out at the start 0 difference con...

Страница 58: ...real time and history mode Play view the trends in real time Pause view the trends as a static screen 4 Open trend legend Display the trend legend see below 5 Trend selection Open the Trend Selection...

Страница 59: ...dialog box tap on the Open trend legend button see above The trend legend allows you to display and hide individual trend curves Trend view legend ver 5 Position Item Description 1 Trend legend The tr...

Страница 60: ...he panels Heat pumps check and maintenance must comply with the European Union s Regulation No 517 2014 and follow the attached table CO2 equivalent of refrigerant can be calculated by multiplying the...

Страница 61: ...eratures 10 min after stop Check operating conditions If not near freezing point contact Customer Service Discharge pressure high Heating water too hot or too low flow in condenser or too high refrige...

Страница 62: ...e heat pump controller is giving a stop signal but the heat pump does not stop or the motor s OFF signal does not reach the controller Electrical problem either contactor or wiring Check wiring contac...

Страница 63: ...Protection device alarm 1comp2 has been reset Certain alarms will be automatically reset once the system recovers from alarm state while others will remain active and need to be acknowledged manually...

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