Installation and Operating Instructions
Contents
1. Terminals W1 W2 Terminals L N power supply Bernal Sensor Terminal LL start of clock Terminals 21 Z2 Control signal 0 91 1 43V Terminal KV Day switching Terminal LF release period Terminal LZ additional charge release Terminal KU heating curve switching Terminal SH relay output charge contactor Explanation of multi function display items LL Activated when LL terminal is activated LF Activated when LF charge release terminal is activated LZ Activated when LZ additional charging terminal is activated ging KX Dim p eX protomatik KU Activated when KU characteristic curve switching ict 9 1 O j a j ATM terminal is activated LENO Ld We O KV Activated in the daytime characteristic curve KV output LZ JO ry ry m m ATM Activated in external temperature averaging operation KU JO 3 ATM external temperature averaging JA yes kvile LJ LILI LJ h Abw Activated in period of absence Abw mode LFU Activated when runtime detection monitor is activated a l as l Weekly programme display WoP Ja weekly programme yes LSU JA charge synchronisation with timer yes LED display operating mode If display is not lit operating mode is active Green light technician menu display mode is active Red light technician menu setting mode is active Briefly lit orange light2. C wamere rare es Colderthanorc 2 c Warmer than E1 or TAS C 3 C Insufficient or no daytime daytime skip C charging Colder than E1 or TAS C 0 0 daytime skip C 10 10 Warmer than E1 or TAS C E1 3 C Daytime charging is too daytime skip C high Colder than E1 or TAS C _ 4 10 _ 410 daytime skip C 10 10 set value to increase the specified amount set value to decrease the specified amount Diagnostic Information Thanks to its design and construction the ZW 05 DCU microprocessor driven charge control can be used in storage heating systems with heating contactor and for storage heating systems with direct control via the charge control line Z1 Z2 without a heating contactor Thus the weather dependent and runtime controlled control voltage is applied to the Z21 Z2 terminals of the central control unit only with activation of the LF charge release or LZ additional charging terminals With a non activated LF or LZ terminal the central control unit always releases a control voltage of 1 95 V to the Z1 Z2 terminals 4 35 V to the 11 12 terminals Therefore to check the control voltage signal it is necessary to activate the LF terminal charge release or LZ additional charging 23 Table of measured values for checking the control voltages To check the control signal of the central control unit the following switch
3. h 2o ee E1 E10 DC Zentralsteuerger t E Nr 21 0301 01 AH ij B NELLFLzkuSHkv kf Wi en O Reduction contact optional for characteristic curve switching to KU terminal L1 N Enabling signal VOLE LF or LZ l tariff time switch or i ripple control receiver i Example oo oo Oy Enabling signal LF and LZ separate i LF tariff time switch or ripple control receiver Example B The SH characteristic SHC in the menu of the ZW 05 DCU central control unit must be set to LF Charge controller V 214Z2 ITF Fir 2qrF3yrr4 12 i1 AR 05DCU LG tl 77 vaL gO HISHBHISH LI NI Fila 2 3 14 Heating circuit ee ee contactor1 Residual heat sensor l i kk To further Underfloor heating circuits storage heating l J lr i E Room temp 7 controller i 1 with floor Peripheral zone ee temperature limiter AR 05 DCU charge controller Central control unit with control signal 2 85 3 6V KV_ Z1 12 Z2 11_ OIF 2 85 3 6V ri TF2 TF3 TF4 heating The ZW 05 DCU microprocessor driven charge control has 2 separate control signal outputs The charge controllers for underfloor storage heating AR O5D
4. Only for setting FSU release synchronisation with timer Ja yes Only for setting SHC terminal output characteristic LF charge release O 22 Correcting Basic Settings The recommended basic settings are standard values that may have to be changed according to the type and location of the building the installation location of the external sensor the release and additional release periods the requirements of the corresponding utility company and individual user preferences If changes are made please note that corrections will only become apparent on the following day after the unit has been charged Changes to the charge control affect the entire heating system Changing the charge level The basic charge level of the heating system can be changed via the E5 charge level adjuster operator menu In order to increase charging the E5 adjuster must be adjusted to the plus range Adjustment to the minus range leads to a decrease in charging Systems without daytime additional charging period Et ES Sete Insufficient charging Between 0 C and 10 C C Warmerthanowc 30 5 corme ae Excess charging Between 0 C and 10 C PWarmerthano G 20 5 Systems with daytime additional charging period Fault d ot ii i Adjuster corrections ault description xternal temperature Colderthanotc 3 c f Insufficient charging Between 0 C and 10 C 2 C 2 c 5
5. software reset has occurred 8 Activation Examples for ZW 05 DCU Microprocessor Driven Charge Control Backward or intermediate control with timer function Standard installation with heating contactor or direct control of electric storage heaters via charge control line without heating contactor LF charge release signal to LL runtime and LF charge release terminals Voltage at LF charge release terminal e Output of the weather dependent and run time dependent control voltage 0 91 to 1 43 V e Time function element activated timer is running No voltage at LF charge release terminal e Safety overlap at 1 95 V control voltage charge suppression e Runtime LA lt locking duration SEH lock Timer element is deactivated timer stopped e Runtime LA gt locking duration SEH lock Timer element activated timer is running For charge types with daytime charging periods and special LZ additional charging release signals the LZ terminal must be activated Please observe the technical connection requirements of the utility company ZW 05DCU 21 0301 01 L N LL LFLZ KUSH AKV Z 22W2W Forward control without timer function Standard installation with heating contactor Remove LL LF bridge and put bridges between L LF and LF LZ e Output of the weather dependent control voltag
6. timer AN V The microprocessor driven charge control is equipped with a real time function weekly programme Uhr timer JA yes This can be utilised either strictly as additional information or for automatic charge lowering during longer periods of absence and or according to the weekly programme This offers the additional possibility in connection with the FSU release synchronisation with timer JA yes function to release or individually conceal time controlled charging independent of the time in areas without release signal Note This can no longer be switched off after the real time timer has been activated Extended runtime function real time function is activated Setting the time Setting the current time Uhr A B20 Day Setting the current day of the week T1 Monday T5 Friday G T2 Tuesday T6 Saturday T3 Wednesday T7 Sunday N NY T4 Thursday Selection of desired display mode in normal operation ANZ display AS switch position indicator display according to the position of the rotary switch ANZ display Uhr timer displays the time and day of the week ANZ display AU switch position indicator timer automatic switching of display between rotary switch position and time day For the duration of the days selected between 1 and 30 the KU characteristic curve switching is activated according to the KUT characteristic curve switching temperature or KUP cha
7. PTC external sensor Bauknecht sensor Error messages An error recognized by the central control unit is indicated with the corresponding fault code F the display will flash dah Weather sensor short circuit Check weather sensor and replace if necessary in the display Ea Fault code from F003 onwards gt unit error Unit replacement necessary In case of voltage cutoff The central control unit has a power reserve of approx 6 hours In the case of a voltage interruption exceeding approx 6 hours time of day must be set if the real time timer is activated After Sales Service For customer service please contact the Robert Bosch Hausger te GmbH To process your order we require the production number E no and the production date FD of the unit This information can be found on the type plate Germany Order service Spare parts ordering Phone 01801 22 33 55 Phone 01801 33 53 55 Fax no 01801 33 53 07 Fax no 01801 33 53 08 E mail spareparts bshg com Austria Order service Spare parts ordering Phone 0810 240 260 Phone 0810 240 260 Fax no 01 60575 51212 Fax no 01 60575 51212 E mail hausgeraete ad bshg com E mail hausgeraete et bshg com The Robert Bosch Hausger te GmbH is available for you 7 days a week 24 hours a day Our emergency service team is also available on weekends and bank holidays Replacement part descriptions and replacement part orders from Robert Bosch Hausgerate GmbH on the internet u
8. Segment test Display All display segments of the LC display are activated Not possible C y y MO yA yN i a NY END of Technician Menu Software reset A software reset returns all settings to factory defaults 1 Configuration mode is activated by pushing the button Sondereinstellungen special settings MODE LED is lit red 2 Press the forward button F and backward button A simultaneously for 60 seconds 3 A brief change in colour of the LED display from red to orange indicates that the software reset was successful Start Up External temperature display ATW effective external temperature When the central control unit is connected to voltage it takes approx 1 minute for the external temperature to be correctly calculated and displayed Setting the runtime LA when operating the charge control with timer function The charge control features automatic runtime synchronisation Upon leaving the factory the runtime is set to 0 00 h For charge types with strictly night time charging e g 8 0h this setting need not be changed The charge control synchronises itself during the next lower tariff release For charge types with additional charging periods during the day the runtime must be adjusted at start up To do this proceed as follows Subtract the starting point of the night time NT release from 24 and add the current time to this result For example The start of the lower tariff
9. adjuster should be set as follows E1 20 C 20 C te tzF e For secondary additional high tariff release periods tZF activating the daytime skip TAS daytime skip E1 is recommended Input Menu of the Microprocessor Driven Charge Control for Technicians If the forward button F be held down for approx 10 seconds the unit will switch into the display mode technician menu In the display mode menu for technicians the LED display green is lit during display mode and the configuration settings can be accessed via the und 4 buttons Changing the settings is not possible Should no button be pushed in the active display mode for a period of approx 3 minutes the unit automatically returns to the operator mode after this time has elapsed You can also exit the display mode by holding down the forward button V for 10 seconds The menu item selected via the rotary switch will be displayed Should the setting parameters in the technician menu need to be changed then the configuration mode is activated by pushing the Special Settings button In configuration mode the LED display is lit red and the configuration settings can be accessed via the and a buttons The flashing menu item can be changed via the Plus and Minus buttons Changes will be made automatically with the adjustment and saved upon exiting the configuration mode By pushing the button Sondereinstellungen specia
10. adjuster does not function during simultaneously activated LF and LZ terminals forward control vw NY Adjuster for automatic external temperature dependent R suppression of daytime charging da gt TAS daytime skip E1 Daytime charging e g with higher oder tariff release suppressed to the full charge temperature set with a E1 TAS daytime skip NEIN no Daytime skip is switched off daytime charging will carry on depending upon the characteristic curve adjusters E10 and E4 TAS daytime skip C Daytime charging e g at higher tariff release is suppressed to an adjustable effective external temperature 10 to 10 C Daytime switching TU 6 14 hours Daytime switching TU determines the runtime point at which G the microprocessor driven charge control switches from night gt time to daytime characteristic curve oder G G B NY ve 15 Technician Menu continued Menu item display Lock SEH 0 8 hours Characteristic curve switching KU KUT characteristic curve switching temperature KUP characteristic curve switching percent External temperature averaging ATM JA NEIN yes no 7 ve 16 Comment The lock SEH determines the moment at which the microprocessor driven charge control switches into lock status In lock status the timing element runs independent of LL runtime or LL LF charge release activation
11. charge synchronisation with timer JA yes can be used to release time controlled charging in periods without release signals or during very long release periods During time periods in which charging is not to occur a 100 operating time safety overlap will be released Earliest point in time at which accumulator charging can take G place when LF or LZ are activated gt Starting point of runtime LA with LSU charge synchronisation oder G JA yes e Maximum duration of release LFD 00 00 to 23 59 h Maximum duration of accumulator charging during the night time R release period da gt N NY Earliest point in time at which additional accumulator charging C can take place when LF or LZ are activated gt oder Maximum duration of charging during the additional release R period dh gt oder mz To activate synchronised charging secondary to the utility R company control signals via an integrated timer the parameter ee LSU JA yes is to be programmed oder G Active synchronised charging is indicated in the display by the on Uhr timer symbol Only appears in the menu if the real time timer is set to JA yes in the operator menu m Only appears in the menu if both the real time timer is set to JA yes and menu item FSU release synchronisation with timer JA yes is set in the operator menu 18 Technician Menu continued Menu item display Comment Adjust
12. release is 10 p m the current time is 10 15 a m 24 00 h 22 00 h 10 15 h 12 15 h The runtime LA must be set to 12 15 p m see operator menu Note The runtime cannot be changed if the real time timer is activated Uhr timer JA yes in combination with FSU release synchronisation with timer JA yes This automatic runtime synchronisation occurs automatically at the earliest start of release LFS 20 Start up for underfloor heating Initial heating of screed flooring according to the appropriate standards and guidelines taking special specifications into consideration can only occur after the minimum wait time has expired The simple initial start up of underfloor storage heating can be carried out via the automated underfloor initial heating cycle menu item FAZ initial underfloor heating cycle of the charge control This function can be accessed in the configuration mode of the technician menu via the forward button V or the backward button A and activated or deactivated using the buttons After activation a set charge rate of 14 is specified starting with the first of the following charge release periods The charge rate values of the following days are to be taken from the table If a value of 45 C is set on the E6 AT external temperature adjustor when charge controllers are connected and the E8 KT daytime or E7 KN night time correction adjuster is brought to the neutral position th
13. until the circulation period has ended The lock setting is calculated based upon the release period tF release period 2 h and exceed the additional release period The circulation period UMD determines the runtime after which a new daytime cycle can be activated by starting the timing element LL activation of the microprocessor driven charge control In active mode the characteristic curve switching KU activation of the KU terminal or automatic program for lowering is followed by switching to one with a KUT characteristic curve switching temperature or KUP characteristic curve switching percent adjustable second charge curve Heating content 30 25 20 15 10 5 0 5 10 15 20 25 Effective external temperature 30 C KUT characteristic curve temperature C 15 C With KUT characteristic curve temperature and characteristic curve switching KU in active mode lowered or frost protected operation a second charge curve is activated that provides an adjustable charge start KUT characteristic curve temperature in C via a parallel shift of the charge curve determined by E1 E2 and E15 KUP characteristic curve switching percent 100 For KUP characteristic curve switching percent and activated KU terminals a second characteristic curve proportional reduction is activated The charge curve determined by E1 E2 and E15 is thereby proportionally reduced to the value set with K
14. CU or storage heaters can be connected to the Z1 Z2 terminals 0 91 storage heaters with control signal 2 85 3 6 V e g Type AR 1741 AR 1744 RFV 351 DC RFV 354 DC to terminals 11 12 Transmission of control signal gt of any electric storage heaters To electric storage heaters xx Switching off the heating element that includes the residual heat sensor necessitates switching off all heating Main contactor elements of the same heating circuit _ L1 er L2 Power supply connection H L3 heating circuit N PE L1 High tariff power supply connection PE 1 43V Charge controllers for underfloor ZW 05 DCU connection diagram External temperature dependent control via SH heating contactor activation terminal control output with SH characteristic SHC terminal output characteristic LA runtime External sensor Outside Inside E1 E10 ZW 05DCU DC Zentralsteuergerat E Nr 21 0301 01 I To storage heaters Reduction contact for k characteristic curve switching L N High tariff power suppl
15. Minimum charging 25 base Daytime skip E1 Daytime switching 10 h Circulation period 22h O a gt O E1 E3 E4 TAS TU SEH MD U Characteristic curve switching temperature percent External temperature NTC PTC pe NTC 0 C NTC C PTC C NTC C PTC LA Set charge rate Charge rate display Service charge rate No KUT KUP T C 40 O D SER Control voltage at Z1 Display of control terminal voltage at terminal Z1 Control voltage at 11 Display of control terminal voltage at terminal 11 Release C a N Menu a op C synchronisation with timer No O Yes UO No O Yes UO c S 2 LFS Earliest start of 9 00 p m release LED Maximum duration of 8 release LZS Earliest start of 9 00 p m release LZD Maximum additional 0 release duration Techn ep T r No O Yes O No O Yes UO LSU Synchronised charging with timer SHC SH terminal output characteristic L FU Charge release detection LAO LFO LAO CFO h h 1 Initial underfloor h No LA 5 FAZ anoe No No0 Yes 0O No0 Yes 0O Remaining runtime Remaining runtime display RES See LA RES See LA RES only for FAZ Ja yes initial underfloor heating cycle Daytime heating contactor activation NoO YesOl ONO No O Yes UO output Program part Display PR1 l version 1 program version uP 1 Program part Display PR2 version 2 program version uP 2 Segment test
16. UP characteristic curve switching percent 5 to 0 to For active external temperature averaging ATM JA yes the daytime temperature average value calculated according to a mathematical formula is used to determine the set charge rate Compensation for larger temperature fluctuations low night time and high daytime temperatures during transition periods Attention for active external temperature averaging ATM Ja yes the effective external temperature ATW displayed is the averaged temperature Adjustment R o oder B NY oder an p to oder a 2 Technician Menu continued Menu item display Type of external sensor N Ny Set charge rate LAD Display 0 100 NY ve Service function SER NEIN JA no yes Control voltage at the terminals UZ Display R y Comment Adjustment The control can be connected to an NTC DIN sensor or to a G PTC sensor 700 Ohm at 20 C The automatically identified ee sensor type is displayed Correction of the external temperature oder G measured value is possible 10 to 10 C Correction of the external sensor should only be carried out if the location installation of the sensor is known and the temperature of the sensor or wall depending on the individual installation can be measured External temperature averaging must be switched off during measurement ATM external temperature avera
17. afety overlap to 4 35V 100 maximum Approx 6 hours runtime and timer 6A 230 V Between 0 C and 50 C Il according to installation see section on Installation IP 20 according to DIN 40050 according to installation DIN EN 50350 and DIN 44576 draft 6 x DIN 43880 modular spaces Top hat rail 15 cross section 2 5 mm See dimension drawing Approx 320g NTC sensor according to DIN EN 50350 in insulated casing 2 m long extendable up to a maximum of 30 m Il according to DIN EN 60730 1 IP54 according to DIN 40050 lt 50mm o Operating Instructions for Users General Information For installation operation and maintenance please observe these installation and operating instructions This unit should only be installed and repaired by an experienced technician Poorly carried out repairs can endanger the safety of the user In compliance with VDE association of German engineers regulations the installation and operating instructions must always be available and should be given to the technician working on the unit for his her information Should ownership change these installation and operating instructions must be passed on to the new user or owner This is how your heating system works The local utility company makes electricity available for electrical heating purposes during periods in which other customers require little or no electricity so called off peak periods U
18. cal Information ZW 05 DCU microprocessor driven charge control Connection voltage Power consumption Reference variable at the Z1 Z2 terminals Reference variable at the 12 11 terminals Number of charge controllers that can be activated Power reserve Switching capacity of safety output Ambient temperature Protection class Degree of protection Standard Space requirements Attachment Connection terminals Dimensions Weight External sensor Sensor type Connecting pipe Protection class Degree of protection Dimensions See dimension drawing LA mann LILI LS Automatic correction of charging during extreme temperature fluctuations daytime and night time temperatures in transition periods via external temperature averaging e Characteristic curve switching via external control is possible e Large back lit alohanumeric multi function display showing operating status and service information e All utility company requirements can be met e Optional connection to NTC or older PTC external sensors e Real time timer to lower charging weekly programme and absence of up to 30 days Scope of delivery The ZW 05 DCU microprocessor driven central control unit NTC external sensor with 2 m connecting lead Installation and operating Instructions 1 N 230 V AC 50 60 Hz Approx 2 VA 0 91 V to 1 43 V DC safety overlap to 1 68 1 95 V 2 85 V to 3 60 V DC s
19. cteristic curve adjuster Duration of Duration of External tem Full ch E1 additional p Additional UE CHAJE release period l Oa acc to i Storage release period charging Underfloor tF DIN EN 12831 tZF E10 heating heating devices Between 9 p m and 7 a m J J Not effective EF 7h 8h Backwards Between 9 p m Between 1 p m and 7 a m and 4 p m J g 100 7h 8h 2h Backward Secondary 100 4h 30 Secondary Between 9 p m BEWEGEN p m and 7 a m and 9 p m J g 100 7h 30 8h 7h Backwards Secondary Between 9 p m and 7 a m J J Not Not effective AR 8h effective 9h Backwards Main charging Charge type Minimum base E4 Not effective E3 8 0h 8 2h 8 4h 8 7h 9 0h 9 2h Between 9 p m Between 1 p m and 7 a m and 4 p m J J 100 25 9h 2h Backward Secondary Between 8 p m and 6 a m J J Not Not Effective a Effective 10h Backward 10 0h 10 6h Between 8 p m Reels p m and 6 a m and 6 p m J J 100 10h 6h Backward Secondary Should the base charge start E15 be set to 0 we recommend correcting the charge start to 20 C Charge type without additional release periods in combination with underfloor storage heating is not recommended Notes for systems with storage heating devices and charge types with secondary additional release periods e Should external temperatures vary from those given in this table then the full charge E1 characteristic curve
20. e 0 91 1 43 V e Time function element is not activated timer is stopped e Runtime display LA runtime 0 00 hours When this type of activation is used in connection with an a oe Renateeversert_e nea 0a01 08 underfloor storage heater the runtime detection of the ANGE sunaria charge control should be switched off menu item SHC SS E i terminal output characteristic LF charge release LFU charge release detection UMD circulation period In the case of a breakdown an additional temperature limiter must be used to limit the storage layer temperature Forward control with timer function Standard installation with heating contactor or direct control via charge control without heating contactor only suitable for systems with storage heaters Laying LF charge release or SH heating contactor activation terminal release signal from C J utility company to LF terminal and bridging between LF and LZ XM pim plex PROTOMATIK Voltage to LF terminal e Output of the weather dependent control voltage 0 91 1 43 V Oe ee e Timer element activated timer
21. en the following maximum set temperatures will result Day 1 2 3 4 5 6 7 Set charge rate 14 29 43 57 71 86 100 Temperature 23 5 C 27 1 C 30 7 C 34 3 C 37 9 C 41 4 45 0 C The current characteristic curve is returned to after Day 7 The remaining runtime is displayed in hours The maximum permissible switch off temperature E6 AT external temperature on the charge controller should be set after consultation with the screed manufacturer or your screed flooring contractor This adjustment should be carried out according to the installation and operating instructions of the charge controller Storage heater start up For initial start up of storage heaters the following must be charged according to your installation and operating instructions Start Up Protocol abbreviation designation factory default O mes Runtime f omen e f oea a G S e owen e S S O e leesn se O o r a Effective external External temperature ATW l temperature display Uhr Real time timer No Yes No Yes O Day seting TTP ASO TimeO AU O w omase r o o Only for setting Uhr timer JA yes Only for setting WoP weekly programme JA yes ANZz Display ASO TimeO AUU am Sees O r S O 21 Date of value setting Date of value change Technician menu Technician menu Technician menu abbreviation designation factory setting Full charge 12 C Main charging 7h duration
22. er via the charge control line signal 0 91 to the weather dependent and runtime dependent control 1 43 V DC voltage is only active with activation of LF with LF or SH For direct control via the charge control line Z1 Z2 the or LZ terminals network connection does not lead through the heating For non activated terminals LF or LZ the central control contactor but directly to the connection terminals of the unit provides a control voltage of 1 95 V thus locking the storage heater L1 L2 and L3 terminals have a constant charging of the storage heater voltage D i l fi Setting the Charge Control ae N j f l The charge control should only be set by an experienced technician The ZW 05 DCU microprocessor driven charge control is preset as backward control for an 8 hour lower tariff release period only If adjustments to the technician menu are C PROTOM necessary configuration mode must be activated by pushing the Sondereinstellungen special settings button A lt d z O 0 m j 6 cz m Y 4 Charge curve Night time curve Day time curve Charge curve E3 Set heating content in A E15 ay t t t 4 t t t t 4 4 4 t 4 4 4 4 4 L 8 t 4 t t t 4 J 30 25 20 15 10 5 20 25 30 a Effective external temperature 13 Setting Examples Chara
23. g the ZW 05 DCU microprocessor driven charge control please observe the following e The connections at the L and N terminals should not be interchanged e The LL runtime LF charge release LZ additional charging and KU characteristic curve switching pilot wires must be connected in phase with L charging e Should a phase be connected at a red marked terminal due to a mistake in the wiring the unit will be destroyed e Control lines must be installed bifilar as per DIN 44573 According to the VDE association of German engineers directive 0100 these two wires may not be laid in one cable with network wires ZW 05 DCU Charge Control Set Up Buttons for special Terminals 11 12 settings Control signal 2 85 3 6V Terminal KV Day switching Multi function display ___ i pl t Rotary switch re Button Eso ZW 05DCU DC Zentralsteuergerat E Nr 21 0301 01 KV Z14 Z2 W2 Wi Umnmanmnmen
24. ging NEIN no For example If the ATW effective external temperature is 4 too low compared to the measured value then a corrected value of 4 C should be set via the button Display of the current set charge rate LAD in calculated by Not possible the central control unit The interrelationship between the set charge rate and the control voltage is as follows Set point charge rate Control voltage UST LAD charge Z1 Z2 11 12 Charge start 0 1 43 V 1 3 60 V 2 10 1 38 V 3 53 V 20 1 33 V 3 45 V 30 1 27 V 3 38 V 40 1 22 V 3 30 V 50 1 17 V 3 23 V 60 1 12 V 3 13 V 70 1 07 V 3 08 V 80 1 01 V 3 00 V 90 0 96 V 2 93 V Full charge 100 0 91 V 2 85 V Safety overlap for charge suppression without LF charge release or LZ additional charging to 1 1 95V 2 4 35 V Switching to SER service function JA yes provides the G option of targeted checking of a storage heating system by h o selecting the service charge rate SEL in oder G b T SEL service charge rate 0 Provides a control signal from gt 1 43 V or lt 3 60 V System or units may not access the network SEL service charge rate 1 to 100 Output of a control signal corresponding to the LAD shown in the table above System or units can access the network when set to 100 Exception system is fully charged The service function switches off automatically after a period of 4 hours or afte
25. he central control unit Installation may only be carried out by a technician authorised by the respective utility company The regulations of the local utility company as well as the relevant VDE association of German engineers regulations are to be observed The unit requires 6 DIN 43880 modular spaces Protection against accidental contact according to protection class II is ensured by e Installation in a small distribution board according to DIN 57603 VDE 0603 e g N system distribution board e Installation in a distribution board according to DIN 57659 VDE 0659 The charge control unit should be installed in the coolest location i e the lowest mounting row of the distribution board Please ensure a clearance of at least one modular space on both sides The unit comes complete with lead sealable cover caps which are to be used for installation in the installation distribution board only These must be removed before installation Wall with outside insulation Outside Brickwork Inside Concrete External sensor Plaster Thermal insulation Wall with curtain type fagade Outside Concrete asbestos cement or facing stone Thermal insulation Concrete Electrical connection The circuitry stipulated by the local utility company may vary from these connection examples The appropriate circuitry is normally listed in the utility company s technical connection requirements The LF charge
26. he insulating screed occurs over a KON period of 168 hours 7 days Hereby is charging gradually increased oder Duration Remaining runtimeSet charge rate een Day 1 168 to 145 hours 14 Day 2 144 to 121 hours 29 Day 3 120 to 97 hours 43 Day 4 96 to 73 hours 57 Day 5 72 to 49 hours 71 Day 6 48 to 25 hours 86 Day 7 24 to 0 hours 100 The remaining runtime of the initial heating programme is displayed in hours After the 7th daytime cycle has elapsed the basic characteristic curve is returned to After exiting the configuration mode the remaining runtime is displayed in place of runtime LA SH daytime heating contactor activation output SHT NEIN JA AN no yes to When operating the central control unit as backward control the SH heating contactor activation terminal can be used to activate a heating contactor or to activate a contactor for groups of heaters Thus for example weather dependent control of Q storage heaters without control signal input is possible efie Z C SHT daytime heating contactor activation output NEIN no If the LF charge oder C Ry y NN release or LZ additional charging signal is connected runtime is LA runtime lt TU daytime switching and the calculated set charge rate is greater than 0 the SH terminal switches the L charge signal through SHT daytime heating contactor activation output JA yes If the LF charge release or LZ additional charging
27. ing and or settings are necessary 1 Establish LF charge release activation 3 Charge start adjuster E2 15 C 2 Set LA runtime adjuster to a value between E3 and 4 Full charge adjuster E1 12 C daytime switching TU end of the nightime 5 Base charge start adjuster E15 0 characteristic curve Effective external temperature ATW C 10 15 20 Control voltage to 11 12 3 60 3 60 3 52 3 41 3 32 3 18 3 04 2 91 2 85 2 85 After measurements have been made the original switching and setting of the microprocessor driven charge control should be re established Testing the NTC or PTC external sensor Set the rotary switch to the external temperature display ATW In the charge control display the effective external temperature is indicated that serves as the basis for calculating the control voltage In order to carry out a plausibility test i e does the temperature measured via the external sensor correspond with the displayed temperature ATM external temperature averaging ATM must be switched off during testing ATM Nein no In the case of active external temperature averaging ATM JA yes it is not the current temperature of the external sensor that is indicated in the display but the averaged external temperature oC 4 8 12 146 20 700 692 684 676 668 660 652 644 636 628 620 Temperature of external sensor NTC external sensor series
28. is running ACE No voltage to LF terminal Ne on e Safety overlap to 1 95 V control voltage os charge suppression e Runtime LA lt locking duration SEH Timer element deactivated timer is stopped e Runtime LA gt locking duration SEH Time element activated timer is running ZW 05 DCU connection diagram for electric storage heaters ZW 05 DCU charge control unit GR 05 DC group control unit Storage heaters F 4 External sensor J OOO In systems without group N O j aa 0 control units the control Outside laside oF signal Z1 Z2 is switched MODE O directly from the central ee ee control unit to the storage J heater 100 0 30 30 KUP E5 X Dimplex PRoTOMATIK E1 E10 DC Gruppensteuergerat SP ee ee cian GROSDC OO wee zw si KW zz ww H BHoOnH DA Hees A2 A1 A2 A1 L N N LH N N LEZ jn l PE PE lp s amp u L1 L2 L3 N N gulp O Q O L WNIk ATA Z2 Z1 R SH R l O i ia I T ee EL S i I l i pK k l 4 l ol gt To further 4 D To L i E e sto
29. l settings or if 3 minutes have elapsed and no change has been made the control unit returns back to the selected status display Exception if the charge rate service function SEL is activated the display remains set on this menu item for 4 hours The backlighting of the display goes out after approx 3 minutes Menu item display Comment Adjustment START Technician Menu Full charge E1 25 15 C The full charge E1 indicates the effective external temperature gt ATW from which full charging on the charge controller is aian determined via the charge control The setting depends upon Q b the charge type and the location of the system o Main charging period E3 0 14 hours The main charging period E3 determines the runtime hour in G which the night time characteristic curve reaches the weather gt dependent set charge rate Attention do not set E3 higher than oder G the lower tariff release For backward control E3 tF ma S release period 1h For spread control E3 tF release period 0 5 h For forward control E3 0 h e g 8 hour lower tariff release and backward control E3 7 h E ve Minimum base E4 0 100 For charge types with daytime charging periods the minimum G base E4 determines the amount of residual heat base at the end f gt of the daytime characteristic curve oder G C Note when setting the E4 please observe the tariff n N requirements of the utility company The E4
30. ment SH terminal output characteristic SHC LA LF runtime charge release SHC terminal output characteristic LA runtime Runtime N controlled contactor output for activation of a heating contactor or aa 2 activation of a contactor for groups of heaters oder G SHC terminal output characteristic LF charge release a N According to DIN 44576 release period detection is additionally required for underfloor storage heating Charging is switched off as soon as the totalled release periods LF and LZ activation within a circulation period exceed the set value found under menu item LFU charge release detection This is indicated in the display with the LFU symbol This is automatically reset after the start of the next daytime cycle Charge release detection LFU 6 UMD circulation period Maximum release period within a charging cycle factory default G LFU charge release detection 15 hours setting range 0 UMD nN circulation period a Note The LFU charge release detection UMD circulation A period setting switches off runtime detection In connection with an underfloor storage heater the use of an additional independently switching ground temperature limiter is required for every heating Circuit Initial underfloor heating cycle FAZ NEIN JA no yes If the initial underfloor heating cycle FAZ JA yes is activated s vo N NY controlled initial heating of t
31. nder http www dimplex de quickfinder 459238 66 59gb O3 07 A Glen Dimplex Deutschland GmbH Phone 49 0 9221 709564 Am Goldenen Feld 18 Fax 49 0 9221 709589 95326 Kulmbach Germany E mail kundendienst hauswaerme glendimplex de www dimplex de Subject to technical changes
32. point is determined by the amount of applied control voltage and position of the intensity actuator E8 KT daytime or E7 KN night time on the charge controller The actual value of charging for any heating circuit is displayed on the charge controller via the residual heat sensor in the insulating screed For storage heaters the controller set point depends on the applied control voltage and the position of the charge selection button The actual value of charging is determined via the residual heat sensor by measuring the core temperature The charge controller compares the set point with the actual value and if necessary switches on the charging until the required heat content is reached Setting the charge controller of an underfloor heater Night time charging E7 KN and daytime charging E8 KT can be corrected for each heating circuit via the charge controller Night time charging affects the room temperature during the early morning and late morning whereas the daytime charging affects the room temperature in the afternoon Setting information can be found in the corresponding operating manual Setting the intensity actuator charge selection button on a storage heater During automatic operation the intensity actuator is set at the right hand stop factory default i e the storage heater charges at the value specified by the ZW 05 DCU microprocessor charge control In areas with reduced heating needs e g bedrooms cha
33. r exiting the menu item Displays the calculated control voltage between the Z1 Z2 Not possible control terminals 0 91 1 43 V effective control voltage range during which charging occurs 1 95 V Charging is locked in the case of non activated LF charge release or LZ additional charging terminals 17 Technician Menu continued Menu item display Comment Adjustment Control voltage at the terminals Ul Display 4 35 V Charging is locked in the case of non activated LF charge release or LZ additional charging terminals Release synchronisation with timer FSU NEIN JA no yes Displays the calculated control voltage between the 11 22 Not possible control terminals 2 85 3 6 V effective control voltage range within which charging occurs If FSU JA yes is set the release synchronisation with timer G is active The runtime LA is then coupled with the real time 2 timer and can no longer be changed oder G Synchronisation takes place automatically at LFS earliest start m gt of release The terminal functioning of LL runtime LF charge release and LZ additional charging and the functioning of the lock remain unchanged If in normal operation the runtime LA is not LA 00 00 hours at the time of LFS earliest start of release it will be set to 00 00 hours Operating mode FSU release synchronisation with timer JA yes in connection with LSU
34. racteristic curve switching percent setting parameters After the period of absence has elapsed the normal charge ge mT vo L i curve is switched back to Weekly programme For cyclic user preferences it is possible to choose between normal and lowered charging via the weekly proaramme The active weekly programme is denoted in the display by the Wochenprogramme fal weekly programme symbol WoP LJ When WoP weekly programme JA yes the desired charge curve normal or lowered charging can be set to any day of the week Mo Su Nor normal charging KU characteristic curve switching reduced KU charging activated as of 8 00 pm on the previous day End of Operator Menu Changing to the technician menu in the display mode Adjustment Fo N NY If the forward button Y be held down for approx 10 seconds the unit will switch to this mode The LED display green is lit during display mode and the configuration settings can be accessed via the and 4 buttons Changing the settings is not possible If no button be pushed in the active display mode for a period of approx 3 minutes the unit will automatically return to operator mode after this time has elapsed The display mode can also be ended by holding down the forward button for 10 seconds The menu item selected via the rotary switch will be displayed 6 Installation and Operating Instructions for Technicians Installing t
35. rage heaters x Reduction contact to group control ious g xx 24 b 4 4 characteristic curve switching LE TA E a Ene pae l i i Room i l Central temperature reduction 7 controller L J j To the storage L N f I heaters N TEREE e PE sit Semel Sst Sl Se meee ei 7 High tariff High tariff power supply power supply connection discharging circuit habitation control circuit Auxiliary relav Tariff time switch or please observe i ae ripple control receiver instructions of yours Example A a eee utility company Eee beac l enabling signal TF i LF or LF Z i i Z additional release A period i bic I Charging heating i contactor Tariff time switch or L1 ripple control receiver l Example B RE E A l enabling signal LZ L3 i LF and LZ separate i i N z a e a Se eS a a ee ce A Low tariff power supply connection charging circuit LF Switching from backward control to forward control via control of terminals LF and LZ Control of terminal LL LF and LZ varies according to utility company Please observe the technical connection requirements of your utility company ZW 05 DCU connection diagram for underfloor heating External sensor Central control unit a a cin Vv Outside Inside l ZW 05DCU
36. release LL runtime and LZ additional charging terminals are to be wired in compliance with the utility company s requirements via floating contacts e g a ripple control receiver or a tariff timer The central control unit permits connection of 100 charge controllers maximum Any number of group control units although the maximum total number of charge controllers or storage heaters in the system is limited to 100 Installing the external sensor The NTC external sensor should be installed at least 2 m over the floor in the outer brickwork preferably within the zone of main use for large systems or in the room of main use for single systems The sensor should not be subject to direct sunlight Heat sources e g ventilation shafts or open windows must not affect the sensor and thus the ZW 05 DCU microprocessor driven charge control Please observe the following e The external sensor must be embedded in the mortar e The cable feedthrough must be carefully protected with thermal insulating material The NTC external sensor contains a 2 m long connecting lead which may be extended to a maximum of 30 m using an installation lead 1 5 mm minimum Wall with or without inside insulation Outside Brickwork Inside External sensor Wall of prefabricated house Outside Wall section outside Wall section inside External sensor Max 1 cm Thermal insulation When connectin
37. rging of the storage heater can be reduced and the storage heater adjusted by turning the charge selection button to the left No charging takes place at the left hand stop During automatic operation operating errors and unintentional re setting can be prevented by removing the controller button from the storage heater s intensity actuator and covering with the closing cap Should no charging of the storage heater be necessary in the summer months even on cooler summer nights we recommend taking the entire heating system out of operation For more information consult your authorised electrician Please observe the technical connection requirements of your local utility company The heat storage capacity of the entire heating system can be raised or lowered at the charge control Weekly X Dim plex PROTOMATIK programme as a On FIP hr o LZ JO T a O bI Multi ete LILI h function display D 3 C G MODE Rotary switch gaa LED 2 E15 amp Fi ete ZW 05DCU DC Zentralsteuergerat E Nr 21 0301 01 Forward button Backward button Plus button Minus button Input Menu for Users During normal operation the unit is in operator mode The mode LED does not light up Therefore the menu item shown in the display depends on the position of the rotary switch as well a
38. s been charged Charging start E2 Specifies the effective external temperature ATW at which G storage heater charging should begin The higher the selected gt setting the sooner charging will start and thus the higher the oder G set charge amount is at the same effective external temperature gt ATW _ B Specifies the minimum charging base to which the effective external temperature may fall when set according to E2 Recommended setting zp Insufficient charging in the transition period raise E15 by 5 to oder 10 Excess charging in the transition period lower E5 by 5 Additional charging daytime charging E10 Reduction or increase of an available daytime recharging E10 0 means no recharging in the afternoon independent of the effective external temperature a Note In the event that the daytime charging via the TAS daytime skip adjuster TAS E1 or TAS TE only technician has access with higher effective temperatures is fundamentally disabled then the E10 adjuster is ineffective above these temperatures ry Ti Displays the effective temperature at external sensor location Not possible IIN m ATM external temperature averaging 1 ee Lf T ATW effective external temperature refers to the averaged temperature ATM external temperature averaging 0 ATM corresponds to current temperature Operator Menu continued Menu item display Comment Real time
39. s the setting of the ANZ display menu item During normal operation the individual menu items of the operator menu can be accessed with either the forward button V or the backward button A Individual menu items can also be directly obtained via the rotary switch Adjusting the flashing setting parameters is possible via the plus or minus buttons Changes will be made automatically with this adjustment If 3 minutes should elapse and no adjustment has taken place the control unit automatically changes back to the selected display status and the changes saved Menu item display Comment Adjustment M r G Time and day of the week are displayed in the operating mode rN IU AT timer function UHR JA timer yes and ANZ display Uhr mae LILIE Th timer or ANZ display AU off A START Operator Menu Runtime LA Displays time elapsed since the start of night time charging G release period start of the charge release LF gt Note during active release synchronisation with timer FSU p gt JA yes runtime adjustment is locked Charge level E5 Changes to the basic charge level of all storage heating systems connected to the charge control The set charge can be either proportionally raised or lowered by 30 according to need The gt change to the charge level should only be made gradually since oder the effect of these changes will only become apparent after the me unit ha
40. signal is connected and the calculated set charge rate is greater than 0 the SH terminal switches the L charge signal through SHT daytime heating contactor activation output AN to This menu item can only be selected if FSU release synchronisation with timer JA yes and gt 00 00 hours is set for LZD additional release duration SHT daytime heating contactor activation output AN to and LA runtime lt TU daytime switching If the LF charge release or LZ additional charging signal is connected and the calculated set charge rate is greater than 0 with a hysteresis of 4 The SH terminal switches the L charge signal through SHT daytime heating contactor activation output AN and LA runtime gt TU daytime switching The SH terminal switches the L charge signal through within a release period LZD additional release duration for the duration LZD x LAD set charge rate at the LZB 100 point in time if the LF charge release or LZ additional charging signal is connected T Only appears in the menu if the menu item SHC terminal output characteristic LF charge release is set ji Only appears in the menu if the menu item SHC terminal output characteristic LA runtime is set 19 Technician Menu continued Menu item display Comment Adjustment Program version T1 Display Program version pP 1 Not possible Program version T2 Display Program version uP 2 Not possible
41. tility companies offer electricity at discounted tariffs primarily during the night time release period In certain service areas electricity for heating purposes is additionally available during the daytime the so called additional release period For release and additional release periods the tariff conditions may vary Information can be obtained from your authorised electrician or local utility company The specified charging periods are generally released via a control unit ripple control receiver or timer by the utility company The ZW 05 DCU microprocessor driven charge control ensures consumption based charging of your storage heater To ensure the utility company s technical connection requirements are met your electrician will carry out the precise setting of all required values on the central control unit and the charge controllers Central control and charge controller The ZW 05 DCU microprocessor driven charge control measures the weather conditions and the inertia of the building via the external sensor located in the brickwork This reference variable is connected to the various settings runtime and depending on the signals of the control terminals to the central control unit s output variable set charge rate control voltage to Z1 Z2 or 11 12 The control voltage is transferred to the electronic charge controller which functions as the ON OFF controller For underfloor storage heaters the controller set
42. xX Dimplex Installation and Operating Instructions ZW 05 DCU Universal Microprocessor Driven Charge Control 0 91 to 1 43 V and 3 60 to 2 85 V DC with Timer Function Microprocessor driven charge control DC universal for underfloor storage heating and electric storage heaters with DC charge control output signal 0 91 to 1 43 V and 3 60 to 2 85 V DC Table of Contents Contents Unit Description Technical Information Operating Instructions for Users Input Menu for Users Installation and Operating Instructions for Technicians Charge Control Set Up Activation Examples Connection Diagrams Setting the Charge Control Setting Examples Input Menu for Technicians Start Up Start Up Protocol Correcting Basic Settings Diagnostic Information After Sales Service Unit Description The ZW 05 DCU microprocessor driven charge control controls the charging of an underfloor storage heating and or the charging of storage heating devices according to outside temperature settings and control Signals It has the following features e Charging according to external temperature e Initial heating program for screed flooring e Timer function for backward intermediate and forward control e Priority and secondary use of actual service release periods for low and high tariffs e Adjustable detection of service release period charge release detection e Direct control via charge control line Z1 Z2 is possible Techni
43. y connection control circuit Auxiliary relay Tariff time switch or please observe utility i aaah 4 ripple control receiver company instructions i i s ERNER TENEN EEES ORE a i l LF i Charging heating i Enabling signal LF or LF Z Z additional release period i i i I contactor i The SH terminal can be used to control a heating contactor or to control a contactor for groups of heaters Thus e g electric storage heaters without control signal input L1 or non system electric storage heaters can be controlled dependent of weather L2 i L3 f N i The prerequisites for this are 5 Setting the central control unit to backward control E3 fe eee The SH characteristic SHC in ZW 05 DCU must be set to LA Low tariff power supply connection Activation enabling signal of the central control unit via the LF and LZ terminals charging circuit For LZ activation see menu from FSU onwards The SH output is switched L potential when a release is pending at the central control unit LF terminal activated and when a set charge rate of gt 0 is calculated dependent upon the outside temperature and the runtime 19 Direct control via charge control line Z1 Z2 The ZW 05 DCU microprocessor driven charge control can Activation for charge release is switched by the utility be used for direct control of storage heaters with electric company via the charge control At the Z1 Z2 terminals charge controll
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