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Operating instructions

commotherm heat pump

for Brine- and water operation (BW, WW)

Содержание BW/WW

Страница 1: ...Operating instructions commotherm heat pump for Brine and water operation BW WW ...

Страница 2: ...rranty guarantee Furthermore claims under warranty will not be applicable if commissioning 1 is not carried out by specialist personnel authorised by HERZ or if hydraulic diagrams 2 not recommended by HERZ are used Any claim to warranty services requires maintenance to be carried out on an annual basis by specialist personnel authorised by HERZ The general warranty period will not be extended if w...

Страница 3: ...9 4 Plant overview 10 5 Equipment functioning 11 5 1 Refrigerant 12 5 1 1 Characteristics of the refrigerant 12 5 1 2 Measures when refrigerant escapes 12 5 1 3 First Aid measures for contact with refrigerant 13 5 2 Safety devices 13 5 2 1 Low pressure switch 13 5 2 2 High pressure switch 13 5 3 Operating conditions to be maintained 14 5 3 1 Permissible temperatures 15 5 3 2 Flow rate 15 6 Operati...

Страница 4: ...3 Hot water tank 34 8 10 4 Heating circuit 36 8 10 5 Time mode 41 8 10 6 Solar 42 8 10 7 Hydraulic compensator module 44 8 10 8 Net pump 45 8 10 9 Zone valve 46 8 10 10 External requirement 47 8 11 Menu settings 49 8 11 1 Network configuration 50 8 11 2 Modbus settings 51 8 11 3 Screensaver 52 8 11 4 Information overview 52 8 11 5 Mail sending 53 8 11 6 Mail status report 55 8 11 7 Server settings...

Страница 5: ...re extinguisher of the prescribed size is to be kept by the boiler room Please heed the relevant national regulations Carry out maintenance regularly or use our Customer Service department The maintenance jobs are listed in chapter 3 4 When carrying out maintenance on the system or opening the control unit the power supply is to be disconnected and the generally valid safety regulations are to be ...

Страница 6: ...chanical characteristics with regard to usage operation and maintenance if the equipment is not able to work according to its appropriate use or improper interference occurs it may cause serious health and material damage It is therefore conditional that the planning and implementation of all installations transportation operation and maintenance will be carried out and supervised by responsible q...

Страница 7: ...sconnected from the power supply Besides the main circuits attention is also to be paid to any existing additional or auxiliary circuits in the process The normal safety rules according to ÖNORM are Disconnect all poles and all sides Ensure that the system cannot be switched on again Check to ensure that no voltage is connected Earth and short circuit Cover adjacent live parts and locate hazardous...

Страница 8: ...ed within its technical application area The technical application is listed in the assembly instruction The intended use of the device includes also the attention of the following documents Operating Installation and electrical documentation Other applicable documents Care and maintenance conditions 3 2 Type label The type label is located on the back side of the heat pump On the type label item ...

Страница 9: ...p can be performed with a damp cloth and commercially available cleaning agents Do not use cleaning products that contain abrasives acids and or chlorine These products could destroy the surface of the cover parts and it is possible that damages can occur on the heat pump 3 4 Maintenance The refrigerant circuit of the heat pump requires no regular maintenance ...

Страница 10: ...centrally The menu navigation for the control can be seen in chapter 8 2 Upper part of the casing 3 Lower part of the casing 1 Input source 2 Output source 3 Heating back flow 4 Heating flow 5 Operating part 6 Source pump 7 Brine side expansion vessel 8 Condensator pump supply pump 9 Compressor 10 Condensator 11 Evaporator 3 BW WW Brine Water Water Water 1 2 3 figure 4 2 System overview without ca...

Страница 11: ...es fluid again 4 The high pressure is relieved in the expansion valve and the coolant is therefore released The refrigerant can once again take in heat from the ground area water or air The circuit is now closed and begins again from the start The HERZ BW WW heat pump is an electrically driven compression heat pump with the coolant R407C An electrically driven compressor compresses and feeds coola...

Страница 12: ...tion A1 B1 Lower toxicity Higher toxicity Other characteristics are Ozone reduction potential 0 Boiling temperature 48 5 C Temperature operating range 25 C to 32 C 5 1 2 Measures when refrigerant escapes If refrigerant escapes fast evaporation of the fluid may cause frostbite Steam is also heavier than air which may lead to suffocation due to displacement of oxygen in the air If an escape of refri...

Страница 13: ...d clothing immediately Never remove refrigerant let it escape or add additional refrigerant yourself This is a risk to humans animals the environment and the device itself 5 2 Safety devices The pressures in the commotherm heat pump should remain within a define range To ensure this so called pressure switches are built in These serve on the one hand as a safety device and on the other hand to ens...

Страница 14: ...uipment functioning 14 Betriebsanleitung_commotherm_5_15_SW_WW_Touch_Englisch_V1 2 5 3 Operating conditions to be maintained Some important operating conditions are described below which must be adhered to ...

Страница 15: ...ded until release of the safety device in this case the high pressure switch The water flow rate and system pressure should therefore be checked No flow rate in the brine system If there is no brine side flow rate again the system will be extremely overloaded until release of the low pressure switch A freezing of the system and the heat exchanger inside the device may also occur until the heat exc...

Страница 16: ...hecking of the water flow rate is required thereafter annually No flow rate for brine equipment The system will be extremely overloaded until the safety device is released low pressure switch With new systems daily checking of the water flow rate is required thereafter annually Freezing of the system and the heat exchanger inside the device may also occur until the heat exchanger bursts and then t...

Страница 17: ... is switched off but the source and condenser pump are still running in so called pump stoppage to transport any residual heat cold to the heat consumer The pump stoppage continues according to the fixed set pump stopping time Error A serious fault has occurred The heat pump and all outputs are switched off too Cooling mode This condition indicates that the heat pump is cooling i e the process is ...

Страница 18: ...the different module demand temperatures from the temperature manager must supply the required temperature demand to the different modules The temperature manager calculates the maximum demand temperature of all modules Example Heat supplier heat pump Module 1 2 heating circuit 1 2 Module 3 hot water tank Module 4 buffer Heating circuit 1 Heating circuit 2 Hot water tank Buffer Calculated required...

Страница 19: ... fulfilled The heat pump must be connected to the power supply If this condition is fulfilled the starting process of the display which takes 1 2 minutes starts see figure 8 1 figure 8 1 Starting process of the display 8 2 Operation and handling The touch panel is a touch sensitive screen and control unit By touching the screen you can change released values or move to other pages The screen navig...

Страница 20: ...u will be displayed see figure 8 3 fault messages warnings alarms will be displayed see figure 8 14 the individual modules heat pump hot water tank buffer heating circuit solar will be displayed see figure 8 15 the menu settings network configuration E Mail screen saver will be displayed see figure 8 19 visible only with code the date time can be set up see figure 8 6 visible only with code the co...

Страница 21: ...mp aggregate test If the Aggregate Test is active the symbol will turn green and the message AGG Test ACTIVE is shown on the display Information such as firmware module hardware module software version etc of each module heat pump hot water tank buffer solar heating circuit These symbols navigation can be used to navigate in each module heat pump hot water tank buffer solar heating circuit hydr co...

Страница 22: ...me see chapter 8 6 Navigation in the menu settings see chapter 8 11 Navigation Navigation Screen Screen figure 8 4 Code entry figure 8 5 Editor for Code entry If the following button is pressed Note figure 8 5 is displayed Enter the corresponding code see below and press OK to confirm the main menu will be displayed if you have already entered a code the control will be locked Code 111 the previou...

Страница 23: ...e and date will be updated automatically via network connection to the internet via LAN cable 12 the update interval of date and time in hours can be set up i e every 12 hours the summer or winter time gets selected NTP Update a NTP update can be carried out The time and date will be updated immediately the screen is locked cleaning possible the main menu will be displayed Note NTP Network Time Pr...

Страница 24: ... of the main menu will be displayed Load scheme a default scheme gets loaded see figure 8 10 Delete all All values will be deleted see figure 8 12 HEAT PUMP 002 the heat pump values which can be selected manually will be displayed see figure 8 11 BUFFER i000 the buffer values which can be selected manually will be displayed HOT WATER TANK i001 the hot water tank values which can be selected manual...

Страница 25: ...reby press 3 5 seconds on the value and follow the procedure described in figure 8 11 HP Status Back flow must Source input the value will be confirmed and displayed at the main menu the page previous page of the individual modules will be displayed see figure 8 9 Note The same procedure can be applied to all other modules 8 7 2 Delete values Navigation 111 OK Show value delete all Navigation 111 ...

Страница 26: ... fault messages will be displayed Note A red highlighted field represents an active fault appears in the lower right box An orange highlighted field represents a warning A yellow highlighted field represents information no fault has occurred A highlighted green field with crossed text represents a fault or a warning which had occurred only visible in the archive An overview of all errors and its c...

Страница 27: ...CIRUCIT i002 the heating circuit values menu will be displayed see chapter 8 10 4 page 36 TIME MODE 000 the time mode menu will be displayed see chapter 8 10 5 page 41 SOLAR i004 the solar values menu will be displayed see chapter 8 10 6 page 42 HYDR COMPENSATOR i000 the hydr compensator menu will be displayed see chapter 8 10 7 page 44 NET PUMP i001 the net pump menu will be displayed see chapter...

Страница 28: ...w Status Settings Agg Test Hot water tank Overview Status Settings Heating circuit Overview Status Operation modes Parameter Heat curve Time mode Time program Settings Solar Overview Status Settings Time program Agg Test Hydr compensator Overview Settings Agg Test Net pump Overview Settings Agg Test Zone valve Overview Status Settings Agg Test Ext requirement Overview Settings ...

Страница 29: ...re High pressure control Low pressure control Outputs I Outputs II Energy meter Source pump Condensator pump Compressor Oil sump heater Electrical additional heating Bivalent demand Switching valve source Switching valve heating circuit Sum annoyance Actual energy Gained energy counted Consumed energy of the heat pump Calculated annual coefficient Last Reset Reset energy Operating data Operating h...

Страница 30: ... after the compressor in C C Status II High pressure control Display of the status OK NOK at the high pressure controller Low pressure control Display of the status OK NOK at the low pressure controller Outputs I Source pump Display for the condition of the fan When the control light flashes the ventilation is running and heat is fed from the air via the evaporator into the cooling circuit Condens...

Страница 31: ...certain faults this control light flashes green Energy meter Actual energy Current amount of heat in the heat pump W Gained energy counted Calculated amount of heat from the heat pump in kWh since the last reset kWh Consumed energy of the heat pump Electrical consumption of the heat pump kWh Calculated annual coefficient Annual efficiency level of the entire system ratio of annually produced heat ...

Страница 32: ...dle temperature Indicates the buffer middle temperature C Buffer bottom temperature Indicates the buffer bottom temperature C Switching temperature Indicates switching temperature average daytime temperature In general the switching temperature conduces to switch between winter set temperature and summer set temperature C Outside temperature Indicates the actual outside temperature C Status II Req...

Страница 33: ...emperature the heat pump won t restart even if the buffer bottom temperature is not reached Fastrun heating Setting up the fastrun heating ON OFF If fastrun heating is active the hot water tank upper zone gets heated up with the consumer s highest requested flow temperature see chapter 7 So the requested flow temperature gets achieved quickly If fastrun heating is active the term fastrun heating w...

Страница 34: ...loading of the hot water tank ON OFF If full loading is activated the hot water tank is heated up to the requested set temperature only available if second temperature sensor is installed Status Hot water tank temperature Indicates the hot water tank upper zone temperature C Loading valve Indicates the state of the loading valve only visible if hot water tank pump is activated Hot water tank pump ...

Страница 35: ...the circulation pump ON OFF During the hot water tank loading time the circulation pump is switched on 2 minutes for every 10 minutes If circulation pump is activated circulation pump is available at the agg test Loading valve Activates the loading valve ON OFF If loading valve is activated loading valve is available at the agg test only if loading valve is installed Time program Time 1 Three diff...

Страница 36: ...Durable kneeling Flow fixed Remote control Screed drying Actual heating circuit mode Remote control number Balancing room sensor Kneeling barrier Room set temperature Kneeling temperature Flow fixed temperature Room influence Correction Kneeling influence End run Switching temperature Temp increase Outside temp sensor Balancing outside sensor Hot water tank priority Kneeling barrier Heat curve Hea...

Страница 37: ...des Heating time mode Heating corresponds to the set heating time Durable heat Constant heat up to required set room temperature or to the calculated feed flow target temperature Durable kneeling Constant heat up to setback temperature respectively calculated flow temperature during setback time Flow fixed A defined feed flow set temperature will be held constantly during the set heating time Remo...

Страница 38: ...Compensates heat loss between buffer and heat circuit by exceeding the hot water tank set temperature High heat loss assumes a higher value C Outside temp sensor Selection of the outside temperature sensor If multiple outside temperature sensors are installed the desired one can be assigned to the chosen heat circuit Balancing outside sensor Adjusting the balancing of the outside temperature senso...

Страница 39: ...umes of water are used for mortar render gypsum and screed which slowly evaporate from the building In addition to that rain can increase the humidity in the building structure Due to the high humidity in the entire building structure the heat demand is increased in the first two heating seasons The drying of the building structure should be carried out with special on site equipment In tight calc...

Страница 40: ...low temperature if required can be set with the parameter flow max temperature If the screed drying is interrupted by a fault power failure etc the program continues the drying after error correction automatically as shown in Table 8 1 Optionally any day of continuing can be selected with the parameter screed day After completion of the screed drying the operation mode is changed into heating time...

Страница 41: ... Term Description Unit Zime program Time 1 Three different time options are available time 1 08 00 10 00 time 2 15 00 21 00 time 3 00 00 00 00 08 00 10 00 Setting up individual hot water tank loading times of every weekday Monday preset gets assigned to remaining weekdays Einstellungen Zeitbedarf If the boiler works only as a heat supplier no heating circuit installed the set up boiler set tempera...

Страница 42: ...ference Pump trigger Tank 1 must temperature Difference 1 Tank 1 max temperature Tank 2 must temperature Difference 2 Tank 2 max temperature Collector pump Loading pump Switching valve OPEN Switching valve CLOSE Term Description Unit Status I Collector flow temperature Indicates the collector flow temperature C Collector back flow temperature Indicates the collector backflow temperature C Tank 1 t...

Страница 43: ...Difference 1 Setting up the collector difference 5 30 of tank 1 C Tank 1 max temperature Setting up the maximum temperature 25 90 of tank 1 C Tank 2 must temperature Setting up the set temperature 25 90 of tank 1 only visible if program number 3 4 5 or 6 is chosen C Difference 2 Setting up the difference 5 30 between collector and tank 1 only visible if program number 3 4 5 or 6 is chosen C Tank 2...

Страница 44: ...module e g heating circuit C Pump 1 Indicates the state of pump 1 ON OFF Pump 1 is the pump in the back flow on the primary side Pump 2 Indicates the state of pump 2 ON OFF Pump 2 is the pump in the flow on the secondary side Settings Switch on barrier Setting up the switch on barrier of pump 2 If the flow temperature of the upstream module e g boiler buffer is higher than the set up switch on bar...

Страница 45: ...downstream module e g buffer The required temperature is the temperature that must be provided from the upstream module to the downstream module C Pump Indicates the state of the net pump Settings Switch on barrier Setting up the switch on barrier for the net pump If the flow temperature of the upstream module e g boiler buffer is higher than the set up switch on barrier net pump is turned on othe...

Страница 46: ...stream module e g buffer The required temperature is the temperature that must be provided from the upstream module to the downstream module C Zone valve Indicates the state of the zone valve Settings Switch on barrier Setting up the switch on barrier of the zone valve If the flow temperature of the upstream module e g boiler buffer is higher than the set up switch on barrier the zone valve is ope...

Страница 47: ...logue must temperature Indicates the actual analogue set temperature C Status Demand active Indicates the state of the external demand Analogue must C Indicates the actual analogue set temperature C Analogue must mV Indicates the actual analogue set temperature The analogue set temperature gets inverted by calculation in compliance with Ohm s law into a voltage see figure 8 18 mV Settings External...

Страница 48: ...ollowing setting parameters see figure 8 17 figure 8 17 Einstellungen externe Anforderung For example at an analogue request with an current signal of 12 mA a temperature of 35 C is registered at the heat supplier provided that the digital requirement external must temperature is not higher At the input of the external requirement module a current signal between 4 and 20 mA should be given because...

Страница 49: ... Modbus settings will be displayed see chapter 8 11 2 page 51 the screensaver settings will be displayed see chapter 8 11 3 page 52 information such as software version operating system number will be displayed see chapter 8 11 4 page 52 you can send messages by E mail see chapter 8 11 5 page 53 E mail times setting will be displayed when an E mail has to be sent see chapter 8 11 6 page 55 the mai...

Страница 50: ...90 224 the boiler IP address can be set up the network configuration page will be displayed again see figure 8 20 255 255 255 0 the subnet mask can be set up Note 172 16 90 1 the gateway address can be set up DNS means Domain Name System which unpacks a domain into the corresponding IP address That means by setting up the DNS server the T CONTROL is able to send E mails see chapter 8 11 5 We recom...

Страница 51: ... in byte 400 Setting up the maximum values of the servers Accept Changes Save changes the network configuration page will be displayed again Note Modbus is an application protocol to exchange messages between intelligent Modbus controllers in the building management system The Modbus protocol TCP is used in the HERZ control This protocol transmits the encoded data via LAN cable Modbus ensures that...

Страница 52: ... time can be set up 3 the screensaver standby mode gets activated deactivated 4 the standby mode waiting time can be set up the menu settings will be displayed again 8 11 4 Information overview Navigation 111 OK Screen figure 8 24 Information overview Note The information shows an overview of the current software versions operating system firmware and also the hydraulic scheme If a USB Stick is pl...

Страница 53: ...et up add the entered E mail address gets added to the receiver list E Mail dispatch can be activated deactivated clear the selected E mail address gets deleted off the receiver list the menu settings will be displayed again several values errors warnings info can be chosen the selected E mail address and values error warnings info are saved the mail settings will be displayed again see figure 8 2...

Страница 54: ...en Screen figure 8 27 Mail subject figure 8 28 Mail sending If the following field is pressed If the following field is pressed the entry will be confirmed Test Mail senden Send E mail to recipient only visible possible if sending is active The last charachter will be deleted characters will be written in uppercase ...

Страница 55: ...tatus report Navigation 111 OK Screen figure 8 29 Mail status report If the following field is pressed 1 the quantity of times maximum 5 can be set up 2 6 individual sending times error warning information see figure 9 27 can be set up the menu settings will be displayed again 1 2 3 4 5 6 ...

Страница 56: ...energie at the username can be entered SSL the encoding can be chosen no SSL TLS 465 the corresponding port of the provider can be set Note To send mail at the adjusted values error warning information according to figure 8 26 the boiler has to have a valid E mail address After the successful creation of an E mail address you can set up the exemplified values shown in figure 8 30 Look up the data ...

Страница 57: ...y 009 BUFFER SENSOR OUTSIDE TEMP Failure buffer outside temperature sensor Check sensor replace as necessary Check plug replace as necessary Check wiring incl Connections replace as necessary contracting party 010 BUFFER SENSOR MIDDLE Failure buffer middle temperature sensor Check sensor replace as necessary Check plug replace as necessary Check wiring incl Connections replace as necessary contrac...

Страница 58: ...hot water tank buffer Check sensor replace as necessary Check plug replace as necessary Check wiring incl Connections replace as necessary contracting party 021 SENSOR SOLAR TANK 2 Failure solar tank 2 temperature sensor hot water tank buffer Check sensor replace as necessary Check plug replace as necessary Check wiring incl Connections replace as necessary contracting party 022 SENSOR SOLAR RES F...

Страница 59: ...Tank thermal disinfection active Tank will be heated up to 70 C Display only no action required 046 MOD ERR EXT Communication error of CAN 2 to external module Check module CAN connection Check module contracting party 047 MOD ERR INT Communication error of CAN 1 to external module Check module CAN connection Check module contracting party 049 DATAERROR MEMORY EXTERNAL Data adjustment error at ext...

Страница 60: ...P source temp low Failure source pump System pressure too low Exhausted source Function control source pump Check system pressure contracting party 206 HP high pressure triggered Der Druck ist außerhalb des definierten Bereiches indem der Verdichter arbeiten soll Function control condensator pump heating pump contracting party 207 HP low pressure triggered The pressure is outside of the range wher...

Страница 61: ...mpressor can start again contracting party 220 HP source flow rate Flowmeter if available reports no or too low flow Failre source pump Function control of the source pump contracting party 221 ANTIFREEZE Too low temperature in the heat generator Antifreeze function is activated Display only no action required 222 CHKDATA HP A heat pump parameter is not within the specified range Check heat pump p...

Страница 62: ...installed and commissioned by qualified personnel authorized by HERZ In the case of unsuited or inexpert application connection to other machines or changes in the technical design this declaration shall lose its validity We declare herewith that the above described machine the above described product complies with the corresponding regulations of the following EC Directives The conformity is veri...

Страница 63: ...nance 7 Menu settings 49 Information overview 52 Mail status report 55 Mail sending 53 Modbus settings 51 Network configuration 50 Screensaver 52 Server settings 56 Modules Buffer 32 External requirement 47 Heat pump 29 Heating circuit 36 Hot water tank 34 Hydraulic compensator 44 Net pump 45 Solar 42 Time mode 41 Zone valve 46 O Operating conditions 17 Operation 7 Operation and maintenance 6 P Pl...

Страница 64: ...Notes 64 Betriebsanleitung_commotherm_5_15_SW_WW_Touch_Englisch_V1 2 NOTES ...

Страница 65: ...r Österreich Austria Version V 1 1 Herz Energietechnik GmbH Herzstraße 1 7423 Pinkafeld 43 3357 42 84 0 0 43 3357 42 84 0 190 office energie herz eu Deutschland Germany Herz Armaturen GmbH Fabrikstraße 76 D 71522 Backnang 49 7191 9021 0 49 7191 9021 79 verkauf herz armaturen de ...

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