Related Manuals for Herz commotherm LW-A series
Summary of Contents for Herz commotherm LW-A series
- Page 1 Operating instructions Air/Water-Heat pump for outdoor installation commotherm LW-A...
- Page 2 Warranty / Guarantee (general information) For HERZ - heat pumps, we offer a 5 year or 10.000 compressor hours warranty on the closed refrigeration heat pumps, we offer a 5 year or 10.000 compressor hours warranty on the closed refrigeration heat pumps, we offer a 5 year or 10.000 compressor hours warranty on the closed refrigeration...
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Page 3: Table Of Contents
Table of content Table of content TABLE OF CONTENT page NOTES ON DOCUMENTATI NOTES ON DOCUMENTATION ..................5 General notes ........................................5 Symbols ..........................................5 SAFETY NOTES ..............................7 Warning notes ........................................ - Page 4 Table of content Operation and handling ....................................18 Main menu ........................................19 Symbols explanation ..................................... 20 Code – entry ........................................21 Date and time selection ....................................22 Determining main menu values Determining main menu values ....................
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Page 5: Notes On Documentati Notes On Documentation
Initial commissioning must be carried out by the HERZ Customer Service department Initial commissioning must be carried out by the HERZ Customer Service department Initial commissioning must be carried out by the HERZ Customer Service department or an authorised specialist (otherwise any warranty claim will not be applicable). - Page 6 Notes on documentation Notes on documentation Pictogram Signal word Meaning Hand injuries. Warning – against hand injuries. Admittance No admittance without authorisation.
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Page 7: Safety Notes
HERZ. you can obtain the required information from your specialist dealer or direct from HERZ. -
Page 8: Operation
In order to prevent any maintenance errors, if maintenance is not carried out properly, it is recommended to be carried out regularly by authorised personnel or by the HERZ Customer Service department. be carried out regularly by authorised personnel or by the HERZ Customer Service department. -
Page 9: Information Of The Dinformation Of The Device
Information of the device Information of the device 3 INFORMATION OF THE D INFORMATION OF THE DEVICE 3.1 Intended use The commotherm heat pumps may only be used for The commotherm heat pumps may only be used for Heating ... -
Page 10: Care And Cleaning
Check the electrical connections and t Check the electrical connections and the cabeling HERZ Energietechnik GmbH offers als HERZ Energietechnik GmbH offers also maintenance contracts. F o maintenance contracts. For further information please contact our service hotline. please contact our service hotline. -
Page 11: System Overview System Overview
System overview System overview 4 SYSTEM OVERVIEW SYSTEM OVERVIEW commotherm LW-A 6-17 figure 4.1: Heat pump with cover figure 4.2: Heat pump without cover Aspirating opening Internal control box Exhaust opening Refrigerant assembler Evaporator Electrical heat in the flow Compressor (deactivated as standard) Condenser pump Condenser... -
Page 12: Mode Of Operation Mode Of Operation
Mode of operation 5 MODE OF OPERATION MODE OF OPERATION figure 5.1 shows the cooling circuit of the commotherm LW shows the cooling circuit of the commotherm LW-A heat pump with its most important components A heat pump with its most important components. A refrigerant circulates and run through various changes of state A refrigerant circulates and run through various changes of state: In the evaporator (2) the r : In the evaporator (2) the refrigerant... -
Page 13: Refrigerant
Mode of operation The HERZ LWA heat pump is an “electrically The HERZ LWA heat pump is an “electrically-driven compression heat pump with the refrigerant, R410A”. An driven compression heat pump with the refrigerant, R410A”. An electrically driven compressor compresses and feeds the refrigerant through a pipe circuit consisting of... -
Page 14: Measures When Refrigerant Escapes Measures When Refrigerant Escapes
In the event of fire, any type of fire extinguisher may be used! There is no risk of the R410A refrigerant escaping if the HERZ heat pump is used There is no risk of the R410A refrigerant escaping if the HERZ heat pump is used There is no risk of the R410A refrigerant escaping if the HERZ heat pump is used correctly. -
Page 15: Safety Devices
Mode of operation Mode of operation 5.2 Safety devices The pressures in the commotherm LW The pressures in the commotherm LW-A heat pump should remain within a define range. To ensure this, so a define range. To ensure this, so- called pressure switches are built in. -
Page 16: Operating Conditions Operating Conditions
Operating conditions 6 OPERATING CONDITIONS OPERATING CONDITIONS Ready There are essentially two versions to be differentiated here, for which the heat pump may be in the operating essentially two versions to be differentiated here, for which the heat pump may be in the operating essentially two versions to be differentiated here, for which the heat pump may be in the operating condition "ready”: ... -
Page 17: Temperature Manager Temperature Manager
Temperature manager Temperature manager 7 TEMPERATURE MANAGER MANAGER The heat demand of the individual modules (hot water tank, buffer tank, heating circuit, solar, etc.) is The heat demand of the individual modules (hot water tank, buffer tank, heating circuit, solar, etc.) is The heat demand of the individual modules (hot water tank, buffer tank, heating circuit, solar, etc.) is controlled by the temperature manager. -
Page 18: Control
T-CONTROL 8 T-CONTROL The handling and menu navigation are described in this chapter. Every single T The handling and menu navigation are described in this chapter. Every single T-CONTROL parameter is CONTROL parameter is explained in chapter 8.10 (page 27). 8.1 Starting the system To switch on the display, the following condition must be fulfilled: To switch on the display, the following condition must be fulfilled:... -
Page 19: Main Menu
T-CONTROL 8.3 Main menu After start up figure 8.3 will appear. In the centre of the screen important values according the heat pump, will appear. In the centre of the screen important values according the heat pump, will appear. In the centre of the screen important values according the heat pump, buffer, hot water tank, heating circuit and so on are shown. -
Page 20: Symbols Explanation
T-CONTROL 8.4 Symbols explanation In this section important symbols are explained, which are displayed on the following menu pictures. In this section important symbols are explained, which are displayed on the following menu pictures. In this section important symbols are explained, which are displayed on the following menu pictures. With aggregate aggregate-test... -
Page 21: Code - Entry
T-CONTROL 8.5 Code – entry If entering the code, the following operations can be performed: operations can be performed: Setting up values Activation of the aggregate-test (see chapter test (see chapter 8.4) Setting up or changing of date & time (see chapter Setting up or changing of date &... -
Page 22: Date And Time Selection
T-CONTROL 8.6 Date and time selection Date and time selection Navigation 1: Navigation 2: Screen: Screen: figure 8.6: Date and time selection : Date and time selection figure 8.7: General settings for NTP : General settings for NTP If the following button is pressed: If the following button is pressed: If the following button is pressed: If the following button is pressed:... -
Page 23: Determining Main Menu Values Determining Main Menu Values
T-CONTROL 8.7 Determining main menu values Determining main menu values 8.7.1 Adding main menu display values Adding main menu display values Navigation 1: Code – entry (chapter entry (chapter 8.5) Navigation 2: Show value Show value Screen: Screen: figure 8.9: Determining display values : Determining display values figure 8.8: Adding display values : Adding display values... -
Page 24: Deleting Main Menu Display Values Main Menu Display Values
T-CONTROL Navigation 3: Load scheme Navigation 4: Show value Show value HEAT PUMP 002 Screen: Screen: figure 8.10: Load scheme : Load scheme figure 8.11: Determining display values : Determining display values By pressing the button: Note: The values of the default scheme can also be The values of the default scheme can also be HP Status, the value will be confirmed and... -
Page 25: Fault Messages And Warnings Fault Messages And Warnings
T-CONTROL 8.8 Fault messages and warnings Fault messages and warnings Navigation: Screen: figure 8.14: Fault messages By pressing the button: Actual the current fault messages will be displayed. the current fault messages will be displayed. Archive all fault messages will be displayed. all fault messages will be displayed. -
Page 26: Module Overview
T-CONTROL 8.9 Module overview Navigation: Screen: figure 8.15: Modules overview If the following button is pressed: If the following button is pressed: the „heat pump“ menu will be displayed the „heat pump“ menu will be displayed HEAT PUMP 002 (see chapter (see chapter 8.10.1 –... -
Page 27: Module Structure And Navigation To The Most Important Settings Module Structure And Navigation To The Most Important Settings
T-CONTROL 8.10 Module structure and navigation to the most important settings Module structure and navigation to the most important settings Module structure and navigation to the most important settings Heat pump Hot water tank Buffer Buffer Overview Overview Overview Overview Status Status Status... -
Page 28: Heat Pump Module
T-CONTROL - Heat pump Heat pump module 8.10.1 Heat pump module The individual menu figures of the heat pump module are shown below: The navigation between the The individual menu figures of the heat pump module are shown below: The navigation between the The individual menu figures of the heat pump module are shown below: The navigation between the individual pages is done by tapping the arrows, which are located on the left and right edge of the screen. -
Page 29: Switching Off The Heat Pump Switching Off The Heat Pump
T-CONTROL - Heat pump module Heat pump module 8.10.1.2 Switching off the heat pump Switching off the heat pump The heat pump can be switched off either manually or automatically according to appropriate shutdown The heat pump can be switched off either manually or automatically according to appropriate shutdown The heat pump can be switched off either manually or automatically according to appropriate shutdown algorithms. - Page 30 T-CONTROL - Heat pump Heat pump module Shutdown by reaching the maximum flow temperature: Shutdown by reaching the maximum flow temperature: If a setpoint demand of the flow temperatu If a setpoint demand of the flow temperature is higher than the maximum adjustable flow temperature of the re is higher than the maximum adjustable flow temperature of the heat pump, the heat pump switches off when this temperature is reached.
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Page 31: Further Menu Structure
T-CONTROL - Heat pump module Heat pump module 8.10.1.3 Further menu structure Term Description Description Unit Status I Flow temperature Display of the heat pump flow temperature Display of the heat pump flow temperature °C Back flow temperature Display of the heat pump back flow temperature... - Page 32 T-CONTROL - Heat pump Heat pump module Term Description Description Unit Outputs II Display for the condition of the additional electrical heating: Display for the condition of the additional electrical heating: If the indicator lamp lights up, the additional electrical heating is If the indicator lamp lights up, the additional electrical heating is If the indicator lamp lights up, the additional electrical heating is Electrical additional...
- Page 33 T-CONTROL - Heat pump module Heat pump module Term Description Description Unit Operating hours Display of the operating hours in which the heat pump (=compressor) Display of the operating hours in which the heat pump (=compressor) Display of the operating hours in which the heat pump (=compressor) Operating hours was running...
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Page 34: Hot Water Tank Module
T-CONTROL - Hot water Hot water tank module 8.10.2 Hot water tank module Menu structure Overview Status Settings Fast start Hot water tank temperature Must temperature... - Page 35 T-CONTROL - Hot water tank module Hot water tank module Settings The boiler is The boiler is charged to the set temperature within the charging charged to the set temperature within the charging time.
- Page 36 T-CONTROL - Hot water Hot water tank module Term Description Description Unit Circulation time By pressing this field, between three times can be selected. By pressing this field, between three times can be selected. By pressing this field, between three times can be selected.
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Page 37: Buffer Module
T-CONTROL - Buffer module Buffer module 8.10.3 Buffer module Menu structure Overview Status I Status II Buffer top temperature Required temperature Required temperature Buffer middle temperature... - Page 38 T-CONTROL - Buffer module Buffer module Term Description Description Unit Settings 1 Setting up the winter set temperature. That´s the hot water tank Setting up the winter set temperature. That´s the hot water tank Setting up the winter set temperature.
- Page 39 T-CONTROL - Buffer module Buffer module Term Description Description Unit Selection of the Selection of the outside temperature sensor No outside temperature sensor: If there is no outside No outside temperature sensor: If there is no outside No outside temperature sensor: If there is no outside temperature sensor the buffer always runs in winter mode temperature sensor the buffer always runs in winter mode temperature sensor the buffer always runs in winter mode...
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Page 40: Heating Circuit Module
T-CONTROL - Heating circuit Heating circuit module 8.10.4 Heating circuit module Menu structure Overview Status I Status II ... - Page 41 T-CONTROL - Heating circuit module Heating circuit module Term Description Description Unit Status 2 Switching Display of the switching temperature for activating or deactivating the Display of the switching temperature for activating or deactivating the Display of the switching temperature for activating or deactivating the °C temperature...
- Page 42 T-CONTROL - Heating circuit Heating circuit module Operation mode - Remote Control Remote Control Functions of the top knob: Symbol „Moon“ corresponds to the operation mode "Durable kneeling". Symbol „Moon“ corresponds to the operation mode "Durable kneeling". Symbol „Time switch“ corresponds to the operation mode "Heating time Symbol „Time switch“...
- Page 43 T-CONTROL - Heating circuit module Heating circuit module Operation mode – Screed drying When building a house large volumes of water are used for mortar, render, gypsum and screed, which slowly When building a house large volumes of water are used for mortar, render, gypsum and screed, which slowly When building a house large volumes of water are used for mortar, render, gypsum and screed, which slowly evaporate from the building.
- Page 44 T-CONTROL - Heating circuit Heating circuit module Table 8.1: Reference temperatures and error continuation for screed drying temperatures and error continuation for screed drying temperatures and error continuation for screed drying Flow set Flow set If screed drying gets interrupted, resume If screed drying gets interrupted, resume Bake out day temperature in...
- Page 45 T-CONTROL - Heating circuit module Heating circuit module Term Description Description Unit Parameter 1 Room must Setting up the required room Setting up the required room temperature during heating time. This temperature during heating time.
- Page 46 T-CONTROL - Heating ci Heating circuit module Term Description Description Unit Parameter 2 The switching temperature is used to release the heating circuit. An The switching temperature is used to release the heating circuit. An The switching temperature is used to release the heating circuit.
- Page 47 T-CONTROL - Heating circuit module Heating circuit module Term Description Unit Time program By pressing this field, By pressing this field, between three times can be selected. time 1: 05:00 time 1: 05:00 –...
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Page 48: Time Mode
T-CONTROL - Time mode Time mode 8.10.5 Time mode Menu structure Overview Time program Settings I Demand active Time Operation modes Operation modes Required temperature Time requirement Time requirement Settings II... - Page 49 T-CONTROL - Time mode Term Description Description Unit Requirement at Outside Requirement at adjust Outside temperature 2 Requirement at adjust Outside temperature 2 °C temperature 2 Indicate at adjustable outside temperature 2 Indicate at adjustable outside temperature 2 °C Outside temperature 2 At this temperature the boiler gets switched off.
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Page 50: Solar Module
T-CONTROL - Solar module Solar module 8.10.6 Solar module The solar module is used to regulate solar systems. With this module you have the possibility to control a 3 The solar module is used to regulate solar systems. With this module you have the possibility to control a 3 The solar module is used to regulate solar systems. - Page 51 T-CONTROL - Solar module Solar module Term Description Description Unit Settings 1 Program number Activation of the solar program number according to hydraulic scheme. Activation of the solar program number according to hydraulic scheme. Activation of the solar program number according to hydraulic scheme.
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Page 52: Hydraulic Compensator
T-CONTROL - Hydraulic compensator Hydraulic compensator 8.10.7 Hydraulic compensator Menu structure Overview Status Settings Hydr. compensator temperature Switch on barrier Switch on barrier Existing temperature Temp. - Page 53 T-CONTROL - Net pump 8.10.8 Net pump Menu structure Overview Status Settings Existing temperature Switch on barrier Switch on barrier Required temperature Temp. increase Temp. increase Pump Barrier times Agg-Test...
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Page 54: Zone Valve
T-CONTROL - Zone valve Zone valve 8.10.9 Zone valve Menu structure Overview Status Settings Switch on barrier Existing temperature Existing temperature Temp. increase Required temperature Required temperature Zone valve Zone valve... -
Page 55: External Requirement Module External Requirement Module
T-CONTROL - External requirement module External requirement module 8.10.10 External requirement module External requirement module The external requirement module provides an interface to an external foreign control loop (e.g. central The external requirement module provides an interface to an external foreign control loop (e.g. central The external requirement module provides an interface to an external foreign control loop (e.g. - Page 56 T-CONTROL - External requirement External requirement module Term Description Description Unit Setting up upper limit of analogue set temperature at 20 Setting up upper limit of analogue set temperature at 20 mA (see mA (see figure 8.20). Analogue must °C ...
- Page 57 T-CONTROL - External requirement module External requirement module Current signal in [mA] figure 8.21: Analogue set temperature as a function of the applied current signal of the Analogue set temperature as a function of the applied current signal of the Analogue set temperature as a function of the applied current signal of the external requirement external requirement...
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Page 58: External Additional Boiler Module External Additional Boiler Module
The additional boiler module is used to help steering or to control a foreign boiler (oil, gas, solid fuel). If the whole heating system inclusive the heat d whole heating system inclusive the heat distribution is controlled by the HERZ touch istribution is controlled by the HERZ touch-controller and if there is... - Page 59 T-CONTROL - External additional boiler module External additional boiler module Term Description Description Unit Setting up the control hysteresis (Switch Off hysteresis) Setting up the control hysteresis (Switch Off hysteresis) Control hysteresis If additional boiler temperature exceeds required additional boiler additional boiler temperature exceeds required additional boiler additional boiler temperature exceeds required additional boiler (only autom.
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Page 60: Menu Settings
T-CONTROL 8.11 Menu settings Navigation: Screen: figure 8.22: Overview menu settings If touching symbol: the network configuration will be displayed. the network configuration will be displayed. (see chapter 8.11.1 8.11.1 – page 61) the Modbus – settings will be displayed. settings will be displayed. -
Page 61: Network Configuration
T-CONTROL 8.11.1 Network configuration Navigation 1: Navigation 2: Screen: Screen: figure 8.23: Network configuration : Network configuration figure 8.24: DNS settings : DNS settings If the following button is pressed: If the following button is pressed: If the following button is pressed: If the following button is pressed: the IP address of the DNS server the IP address of the DNS server... -
Page 62: Modbus - Settings
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 building management system. The Modbus protocol “TCP” is used in the HERZ control. This protocol building management system. -
Page 63: Screensaver
T-CONTROL 8.11.3 Screensaver Navigation: Screen: figure 8.26: Screensaver If the following button is pressed: If the following button is pressed: the screensaver gets activated / deactivated. the screensaver gets activated / deactivated. the screen saver waiting time can be set up. the screen saver waiting time can be set up. -
Page 64: Sending E-Mails
T-CONTROL 8.11.5 Sending E-mails ACTIVATE E-MAIL DISPATCH MAIL DISPATCH CREATE RECEIVER LIST CREATE RECEIVER LIST Navigation 1: Navigation 2: receiver list receiver list Screen: Screen: figure 8.28: Mail Settings : Mail Settings figure 8.29: Mail receiver list : Mail receiver list If the following button is pressed: If the following button is pressed: If the following field is pressed:... - Page 65 T-CONTROL MAIL SUBJECT MAIL SUBJECT TEST-MAIL SENDING MAIL SENDING Navigation: Navigation: Subject Screen: Screen: figure 8.30: Mail subject : Mail subject figure 8.31: Test-Mail sending Mail sending If the following field is pressed: If the following field is pressed: If the following button is pressed: If the following button is pressed: Send E-mail to recipient.
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Page 66: E-Mail Status Report
T-CONTROL 8.11.6 E-Mail status report Navigation: Screen: figure 8.32: E-Mail status report Mail status report If the following button is pressed: If the following button is pressed: the quantity of times (maximum 5) can be set up the quantity of times (maximum 5) can be set up individual sending times (error, warning, information individual sending times (error, warning, information ... -
Page 67: Server Settings
(=outgoing mail server) the mail server address can be entered (=outgoing mail server) the mail server address can be entered (=outgoing mail server) touch@herz- the boiler’s E- -mail address can be entered energie.at... -
Page 68: Fault Reports And Th Fault Reports And Their Corrections
Fault reports and their corrections Fault reports and their corrections 9 FAULT REPORTS AND TH FAULT REPORTS AND THEIR CORRECTIONS You should always take particular note of the safety instructions! You should always take particular note of the safety instructions! You should always take particular note of the safety instructions! If a fault arises, the fault must always be rectified first and afterwards If a fault arises, the fault must always be rectified first and afterwards... - Page 69 Fault reports and their corrections Fault reports and their corrections Fault report Cause of fault Fault correction Fault correction Check sensor, replace as necessary Check sensor, replace as necessary Check plug, replace as necessary Check plug, replace as necessary BUFFER SENSOR Failure buffer top temperature...
- Page 70 Fault reports and their corrections Fault reports and their corrections Fault report Cause of fault Fault correction Fault correction Check sensor, replace as necessary Check sensor, replace as necessary Check plug, replace as necessary Check plug, replace as necessary Failure Failure solar...
- Page 71 Fault reports and their corrections Fault reports and their corrections Fault report Cause of fault Fault correction Fault correction Hot water tank didn´t reach set Hot water tank didn´t reach set Adapt loading time Adapt loading time WATER TANK temperature during loading time;...
- Page 72 Fault reports and their corrections Fault reports and their corrections Fault report Cause of fault Fault correction Fault correction Heat pump is not available to Heat pump is not available to Establish data connection Establish data connection 182 KAS OFFLINE cascade cascade ...
- Page 73 Fault reports and their corrections Fault reports and their corrections Fault report Cause of fault Fault correction Fault correction HP hot gas Error is currently not taken! Error is currently not taken! - compr. start HP water pressure too System pressure too System pressure too low ...
- Page 74 Fault reports and their corrections and their corrections Fault report Cause of fault Fault correction Fault correction AUTOREBOOT 51 Software Software-monitoring fault - contracting party contracting party ✆ AUTOREBOOT 67 Software Software-monitoring fault - contracting party contracting party ✆...
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Page 75: Ec - Declaration Of Confo Declaration Of Conformity
In accordance with the regulations, the heat pump must be installed and commissioned by qualified personnel authorized by HERZ. In the case of personnel authorized by HERZ. In the case of unsuited or inexpert application, connection to other machines , connection to other machines or changes in the technical design, this declaration shall lose its validity. -
Page 76: Notes
Notes 11 NOTES... - Page 77 Notes...
- Page 78 Notes...
- Page 79 Notes...
- Page 80 Österreich / Austria 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 –...
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