Roth BW/H Komfort HE Manual For The Specialised Craftsman Download Page 18

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System 2 variant 2

Relay / sensor allocation

Relay

2PV coll. 1

2PV coll. 2

Solar pump

Optional

function

Optional

function

Sensor

Collector 1

Store base

Free

Collector 2

Free

System 3 variant 1

Relay / sensor allocation

Relay

Solar pump

3PV

Store 2

Optional
function

Sensor

Collector

Store 1 base

Free

Store 2 base

Free

Summary of Contents for BW/H Komfort HE

Page 1: ...en Mounting Connection operation Troubleshooting Application examples Manual for the specialised craftsman Thank you for buying this product Please read this manual carefully to get the best performan...

Page 2: ...sed to strong electromagnetic fields Subject to technical change Errors excepted Target group These instructions are exclusively addressed to authorised skilled personnel Only qualified electricians s...

Page 3: ...l 43 8 4 Solar expert menu 44 9 Arrangement 45 9 1 Optional functions 45 10 Heating 54 10 1 Demands 54 10 2 Heating circuits with EM Extension Modules only 56 10 3 Optional functions 59 10 4 Screed dr...

Page 4: ...miconductor relay 4 1 A 24V 240V potential free relay Total switching capacity 4 A 240V Power supply 100 240V 50 60 Hz Supply connection typeY attachment Standby 0 81 W Temperature controls class I En...

Page 5: ...ll as the system are not exposed to strong electromagnetic fields The unit must only be located in dry interior rooms The device must additionally be supplied from a double pole switch with contact ga...

Page 6: ...valves etc can be connected Relays 1 4 are semiconductor relays designed for pump speed control Conductor R1 R4 Neutral conductor N common terminal block Protective earth conductor common terminal bl...

Page 7: ...s for data transfer and energy supply to external modules The connection is to be carried out at the two terminals marked VBus any polarity One or moreVBus modules can be connected via this data bus s...

Page 8: ...The basic solar system has been adjusted during commissioning Now optional functions can be selected activated and adjusted Free relays can be allocated to optional functions which require a relay Th...

Page 9: ...roller switches to the Status menu Press any key to reactivate the display illumination In order to get from the Status menu into the Main menu press button In order to scroll though a menu or to adju...

Page 10: ...aved minimum value maximum value adjusted value not yet confirmed Adjustment channel When 2 values are locked against each other they will display a reduced adjustment range depending on the adjustmen...

Page 11: ...em after the list of days is Continue If Continue is selected the Edit timer menu opens in which the time frames can be adjusted Adding a time frame The time frames can be adjusted in steps of 15 min...

Page 12: ...on the time frame is to be removed by pressing button Move the cursor to the desired ending point of the time frame by pressing but tons and In order to conclude removing the time frame press button...

Page 13: ...tional functions Parallel relay Mixer Store loading Error relay Heating Demands Heating circuits Optional functions Parallel relay Relay Reference relay Overrun Delay Inverted The menu items and adjus...

Page 14: ...justment channels needed for operating the system Commissioning menu The commissioning menu consists of the channels described in the following In or der to make an adjustment push button Adjust the v...

Page 15: ...saved In order to confirm the security enquiry press button In order to reenter the commissioning menu channels press button If the security enquiry has been confirmed the controller is ready for ope...

Page 16: ...es and 2 collector fields east west collectors Variant The hydraulic variant refers to the different actuators that are to be controlled They are visualised on the display by means of symbols when the...

Page 17: ...ional function Optional function Optional function Sensor Collector 1 Store base Free Free Free Free Free Free Free System 2 variant 1 S1 S6 R1 R2 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Pu...

Page 18: ...function Optional function Sensor Collector 1 Store base Free Free Free Collector 2 Free Free Free System 3 variant 1 S1 R2 R1 S2 S4 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Solar pump 3PV Sto...

Page 19: ...ction Optional function Optional function Sensor Collector Store 1 base Free Store 2 base Free Free Free Free Free System 3 variant 3 R1 R2 R3 S2 S4 S1 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay...

Page 20: ...tion Optional function Sensor Collector 1 Store 1 base Free Store 2 base Free Collector 2 Free Free Free System 4 variant 2 R1 R2 S1 S6 R3 R4 S4 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Pump...

Page 21: ...mp store 2 Optional function Sensor Collector 1 Store 1 base Free Store 2 base Free Collector 2 Free Free Free System 4 variant 4 R1 R2 S2 S4 R4 S1 S6 R3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Rela...

Page 22: ...unction Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Free Free Free Free System 5 variant 2 S1 R1 R2 R3 S5 S4 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Solar pump store 1 So...

Page 23: ...sor Collector 1 Store 1 base Free Store 2 base Store 3 base Free Free Free Free S1 S2 S4 S5 R1 R3 R2 System 6 variant 1 R1 R2 S6 S1 S2 S4 S5 R5 R4 R3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Pu...

Page 24: ...3 2PV coll 1 2PV coll 2 Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Free Free Free System 6 variant 3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay 2PV coll 1 2PV coll...

Page 25: ...ional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Free Free Free System 7 variant 1 S2 S4 S5 S1 S6 R1 R2 R3 R4 R5 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Rela...

Page 26: ...nsor Collector 1 Store 1 base Free Store 2 base Store 3 base Store 4 base Free Free Free System 7 variant 3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 Relay Solar pump store 1 Solar pump store 2 Solar...

Page 27: ...a 7 Status In the Status menu of the controller the status messages for every menu area can be found 7 1 Solar In the Status Solar menu the status of the solar system the solar loading and the selecte...

Page 28: ...if the collector sensor measures the temperature directly in the fluid at the collector outlet If the collector sensor is not correctly placed a false message may occur Place the collector sensor dire...

Page 29: ...surement value is selected another sub menu will open If for example S1 is selected a sub menu indicating the minimum and maximum values will open When the item Chart is selected a progression chart a...

Page 30: ...ally been adjusted during commissioning If the setting is changed later on all adjustments for the solar part of the arrangement are set back to their factory settings If the change causes the solar s...

Page 31: ...set and a maximum temperature the priority a hysteresis a rise value a minimum runtime and a minimum pump speed can be adjusted In multi store systems with differing Store set Maximum store temperatur...

Page 32: ...e store next in priority is checked If useful heat can be added it will be loaded for the Circulation time After this the loading process stops and the controller monitors the increase in collector te...

Page 33: ...en allocated to which function is given in the Status Service menu At the end of each optional function sub menu the menu items Function and Delete function are available With the menu item Function a...

Page 34: ...ending on whether the bypass is energised by a valve or by a second pump a corresponding adjustment can be made in the menu item Variant Depending on the variant different control logics are applied P...

Page 35: ...ure can be carried out by means of the heat exchanger relay The reference sensor can be arbitrarily allocated In systems in which stores are equipped with their own loading pumps the heat exchanger re...

Page 36: ...for an adjustable runtime between adjustable pauses in order to com pensate for the delayed temperature measurement If the runtime is set to more than 10 s the pump will be run at 100 for the first 10...

Page 37: ...becomes inactive If the function is activated the pump is run at its maximum relative speed Note Since this function uses the limited heat quantity of the store the anti freeze function should be used...

Page 38: ...e collector cooling System cooling If the system cooling variant has been selected and the switch on temperature dif ference is exceeded store loading is continued even if the corresponding maximum te...

Page 39: ...er to prepare it for solar loading on the following day This function can only be activated if the store cooling function is activated The holiday function can either be activated manually when a phas...

Page 40: ...out to start If the drainback option is activated the following adjustment can be made Note A drainback system requires additional components such as a holding tank The drainback option should only be...

Page 41: ...hes the adjusted switch on temperature If the collector temperature falls by 5K below the adjusted collector overtemper ature the relay will be switched off In the variant pump the heat dump function...

Page 42: ...nu It can be acknowledged in the Status So lar Flow rate mon menu When the error message is acknowledged the control ler runs a test during which it will energise the relay and again monitor the flow...

Page 43: ...de is entered see page 67 will the Function control menu be available Solar Function control Adjustment channel Description Adjustment range selection Factory setting T too high T monitoring option Ye...

Page 44: ...rrent store tem perature to the adjusted maximum store temperature thus monitoring the store loading circuits The maximum store temperature is considered exceeded when the temperature measured at the...

Page 45: ...will not be explained in the individual function descriptions With this menu item a relay can be allocated to the function All free relays are available for selection If Free is selected the function...

Page 46: ...endent Overrun Overrun option Yes No No Duration Overrun time 1 30 min 1 min Delay Delay option Yes No No Duration Delay time 1 30 min 1 min Inverted Inverted switching option Yes No No Funct Activati...

Page 47: ...dependent Sensor top Top sensor selection system dependent system dependent Sensor base Base sensor selection system dependent system dependent TBoiler on Boiler switch on temperature 0 94 C 45 C TBo...

Page 48: ...Heat sink sensor selection system dependent system dependent Ton Switch on temperature difference 2 0 30 0 K 6 0 K Toff Switch off temperature difference 1 0 29 0 K 4 0 K Tset Set temperature differen...

Page 49: ...K Tset Set temperature difference 1 5 40 0 K 10 0 K Min speed Minimum speed 20 30 100 30 Tmax St Maximum temperature 10 95 C 60 C Tmin boiler Minimum temperature 10 95 C 60 C Funct Activation Deactiva...

Page 50: ...in Break time Circulation pump break time 10 60 min 30 min Funct Activation Deactivation Activated Deactivated Deactivated The Circulation function can be used for controlling a circulation pump For t...

Page 51: ...Relay selection system dependent system dependent Sen Return Return sensor selection system dependent system dependent Sen HSource Heat source sensor selection system dependent system dependent Ton Sw...

Page 52: ...nsidered unfulfilled when the adjusted switch off temperature T x off is reached The T function is equipped with a speed control function A set temperature dif ference and a minimum speed can be adjus...

Page 53: ...djustment 00 00 23 45 Ref relay Reference relay Yes No No Mode Reference relay mode OR AND OR Relay Reference relay 1 all relays Relay Reference relay 2 all relays Relay Reference relay 3 all relays R...

Page 54: ...Yes No No Tmax Maximum boiler temperature 20 95 C 90 C Sensor boiler Boiler sensor selection system dependent system dependent 0 10V 0 10V option Yes No 0 10V 0 10V sub menu Output Output selection A...

Page 55: ...ll always be identical to Tmax In this menu up to 2 heating demands can be activated and adjusted Activated demands will be available for selection in the output alloca tion channels of the backup hea...

Page 56: ...the menu appearing when new HC is selected it is possible to choose be tween registered modules Extension modules can be registered in the In Outputs Modules menu If an external heating circuit has be...

Page 57: ...can be adjusted Note For information on timer adjustment see page 11 Backup heating mode By means of the Mode parameter the backup heating mode can be selected In the Therm mode the flow set temperat...

Page 58: ...lection Sensor Switch Sensor Sen RTH RTH sensor input selection system dependent system dependent Adjustment channel Description Adjustment range selection Factory setting TambSet Room temperature 10...

Page 59: ...lected the function will run normally in the software but will not operate a relay In the sub menu Controller all free relays of the controller are displayed If ex ternal modules are connected and reg...

Page 60: ...K Funct Activation Deactivation Activated Deactivated Deactivated This function helps to contain the spread of Legionella in DHW stores by system atically activating the backup heating One sensor and...

Page 61: ...d in the chan nel Sensor 2 The switch on or the switch off conditions respectively then have to be fulfilled at both sensors in order for the relay to be switched on or off When the Timer option is ac...

Page 62: ...elected heating circuits are put into operation for the adjusted rise time with the start temperature as the set flow temperature Afterwards the set flow temperature increases in steps by the adjustab...

Page 63: ...up to 2 internal heat quantity measurements can be activated and adjusted By selecting the menu item new HQM a new heat quantity measurement can be activated A sub menu opens in which all adjustments...

Page 64: ...ome available for selection in the new HQM menu again With the menu item Function a heat quantity measurement already selected can be temporarily deactivated or re activated respectively In this case...

Page 65: ...the controller Firmware updates When an SD card with a firmware update is inserted the enquiry Update is indi cated on the display The setting can be changed between Yes and No by pressing buttons an...

Page 66: ...of the data packets the remaining logging time does not decrease linearly The data packet size can increase e g with the increasing operating hours value Storing controller adjustments To store the co...

Page 67: ...e menu item User code 16 In outputs In the In outputs menu external modules can be registered sensor offsets can be adjusted and relay outputs can be configured 16 1 Modules In this menu up to 2 exter...

Page 68: ...Select the offset channel Confirm the reset enquiry with Yes Select back to return to the Inputs menu then connect the CS sensor In outputs Inputs Adjustment channel Description Adjustment range selec...

Page 69: ...0V outputs can be selected In the Profile channel PWM characteristic curves for solar and heating pumps can be selected Note When the minimum pump speed value adjusted in the Outputs menu differs from...

Page 70: ...y if a corresponding sensor is connected VFD VFD temperature value only if a corresponding sensor is connected and registered RPD RPD temperature value only if a corresponding sensor is connected and...

Page 71: ...flashes red Sensor fault An error code instead of a tempera ture is shown on the sensor display channel C F Pt500 Pt1000 KTY C F Pt500 Pt1000 KTY 10 14 481 961 1499 55 131 607 1213 2502 5 23 490 980...

Page 72: ...difference between store and collector increases enormous ly during operation the collector circuit cannot dissipate the heat Collector circuit pump defective no yes Heat exchanger calcified yes Chec...

Page 73: ...losses now no yes o k a Collector temperature at night is high er than the outdoor temperature no yes Controller might be defective replace it Is the pump stuck Turn the pump shaft using a screw drive...

Page 74: ...ltage protection device VFD and RPD Grundfos Direct Sensors V40 flowmeter SD3 Smart Display GA3 Large Display AM1 Alarm module DL3 Datalogger KM1 Communication module DL2 Datalogger CS10 Solar cell VB...

Page 75: ...lar thermal system The SDFK Smart Display indicates the solid fuel boiler temperature and the bot tom top store temperatures as well as the pump status The use of high efficiency LEDs and filter glass...

Page 76: ...3 Datalogger Be it solar thermal heating or DHW heat exchange controllers with the DL3 you can easily and conveniently log system data of up to 6 controllers Get a com prehensive overview of all contr...

Page 77: ...hange 49 Heating circuits internal 57 Heat quantity measurement 64 L Loading controller adjustments 67 M Mains connection 7 Manual mode 67 Maximum store temperature 31 Measured values 29 Minimum colle...

Page 78: ...78 en T Target temperature solar optional function 36 Technical data 4 Thermal disinfection 61 Thermostat function 53 Tube collector function 36 Twin pump 41 V VBus 71...

Page 79: ...79 en...

Page 80: ...r Brennstoffe und Biofuels Regen und Abwasser Recycling Nutzung Fl chen Heiz und K hlsysteme Rohr Installations systeme Duschsysteme Roth koEnergie und Sanit rsysteme ROTH WERKE GMBH Am Seerain 2 3523...

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