Resol DeltaSol BS Plus Manual
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Resol DeltaSol BS Plus Manual

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RESOL DeltaSol
BS Plus
(Version 2)
Mounting
Connection
Application examples
Operation
Troubleshooting
en
Manual
Thank you for buying this RESOL product.
Read this manual carefully to get the best perfomance from this unit.
Please keep this manual carefully.
www.resol.com

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Summary of Contents for Resol DeltaSol BS Plus

  • Page 1 ® RESOL DeltaSol BS Plus (Version 2) Mounting Connection Application examples Operation Troubleshooting Manual Thank you for buying this RESOL product. Read this manual carefully to get the best perfomance from this unit. Please keep this manual carefully. www.resol.com...

  • Page 2: Table Of Contents

    WARNING means that injury, possibly life-threatening directives and is therefore labelled with the injury, can occur. CE mark. The Declaration of Conformity is available upon request, please contact RESOL. ATTENTION means that damage to the appliance can occur. Note Note Notes are indicated with an information symbol.

  • Page 3: Overview

    BS Plus DeltaSol ® Overview • System-monitoring-display • Up to 4 Pt1000 temperature sensors • 2 semiconductor relays for pump speed control • 10 basic system layouts to choose from • Heat quantity measurement • VBus ® • Function control •...

  • Page 4: Installation

    ATTENTION! ESD damage! Electrostatic discharge can lead to da- mage to electronic components! DE-45527 Hattingen 100 ... 240 V~ DeltaSol BS Plus V2 Î Take care to discharge properly 50-60 Hz Made in Germany CU 72091163 01 before touching the inside of the...

  • Page 5: Data Communication/ Bus

    FKP type sensors should be used as collector sensors. FRP type sensors are best used as reference sensors in stores or pipes. 1.3 Data communication/ Bus The controller is equipped with a RESOL VBus ® for data transfer with and energy supply to external modules. The connection is carried out at the terminals marked “VBus”...

  • Page 6: Terminal Allocation In The Different System Layouts

    BS Plus DeltaSol ® 1.4 Terminal allocation in the different system layouts System layout 1 Sensors S3 and S4 can optionally be connected for mea- The controller calculates the temperature difference surement purposes. S3 can optionally be used as reference between collector sensor S1 and store sensor S2.
  • Page 7 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] Minimum pump speed 30 %...

  • Page 8: System Layout 2

    BS Plus DeltaSol ® System layout 2 Heat exchange from store 1 to store 2 will be operated by The controller calculates the temperature difference relay 2, if the temperature difference between sensors S3 between collector sensor S1 and store sensor S2. If the and S4 is larger than or identical to the adjusted switch-on difference is larger than or identical to the adjusted switch- temperature difference (DT3O), until the adjusted minimum...
  • Page 9 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] n1MN Minimum pump speed R1...

  • Page 10: System-Specific Functions

    BS Plus DeltaSol ® System-specific functions The following adjustments are used for the specific function in system layout 2. ∆T control for the heat exchange between 2 stores Reference sensors for this function are S3 and S4. DT3O: Switch-on temperature diff. In system layout 2 the controller is equipped with an addi- Adjustment range: tional differential control for heat exchange between two...
  • Page 11 BS Plus DeltaSol ® Maximum temperature limitation Minimum and maximum temperature limits can be set for the heat exchange function. The maximum temperature limitation uses sensor 4 as MX3O / MX3F: reference sensor. Maximum temperature limitation Adjustment range: The maximum temperature limitation function provides 0.0 ...

  • Page 12: System Layout 3

    BS Plus DeltaSol ® System layout 3 The controller calculates the temperature difference the adjusted thermostat switch-on temperature (AH O) is between collector sensor S1 and store sensor S2. If the reached. This function can optionally be combined with up difference is larger than or identical to the adjusted switch- to three adjustable time frames.
  • Page 13 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] n1MN Minimum pump speed R1...

  • Page 14: System-Specific Functions

    BS Plus DeltaSol ® System-specific functions The following functions are exclusively available in system layout 3. The corresponding channels will not be available in any other system layout. Thermostat function The thermostat function works independently from the Afterheating solar operation and can be used for using surplus energy or for afterheating.
  • Page 15 BS Plus DeltaSol ® Option:Thermal disinfection of the upper DHW zone (OTD) This function is used for protecting the upper store zone Thermal disinfection function against Legionella by activating the afterheating. Adjustment range: ON / OFF Reference sensor for the thermal disinfection is S3! Factory setting: OFF Î...

  • Page 16: System Layout 4

    BS Plus DeltaSol ® System layout 4 The controller calculates the temperature differences bet- tures (S1MX / S2MX) are reached. The priority logic causes ween collector sensor S1 and store sensors S2 and S3. If priority loading of the upper zone of the store, if possible. the differences are larger than or identical to the adjusted The 3-way-valve will be operated by relay 2 then.
  • Page 17 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System Minimum pump speed 30 % DT1O Switch-on temperature difference 1 6.0 K [12.0 °Ra] DT1F Switch-off temperature difference 1 4.0 K [8.0 °Ra] DT1S Nominal temperature difference 1 10.0 K [20.0 °Ra] RIS1 Rise control R1...

  • Page 18: System Layout 5

    BS Plus DeltaSol ® System layout 5 The controller calculates the temperature differences bet- (S1MX / S2MX) are reached. The priority logic causes pri- ween collector sensor S1 and store sensors S2 and S3. If ority loading of store 1, if possible. For loading store 2 the the differences are larger than or identical to the adjusted 3-way-valve will be operated by relay 2.
  • Page 19 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System Minimum pump speed 30 % DT1O Switch-on temperature difference 1 6.0 K [12.0 °Ra] DT1F Switch-off temperature difference 1 4.0 K [8.0 °Ra] DT1S Nominal temperature difference 1 10.0 K [20.0 °Ra] RIS1 Rise control R1...

  • Page 20: System Layout 6

    BS Plus DeltaSol ® System layout 6 The controller calculates the temperature differences bet- store temperatures (S1MX / S2MX) are reached. The priori- ween collector sensor S1 and store sensors S2 and S3. If ty logic causes priority loading of the selected store (PRIO), the differences are larger than or identical to the adjusted if possible.
  • Page 21 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT1O Switch-on temperature difference 1 6.0 K [12.0 °Ra] DT1F Switch-off temperature difference 1 4.0 K [8.0 °Ra] DT1S Nominal temperature difference 1 10.0 K [20.0 °Ra] RIS1 Rise control R1 2 K [4 °Ra] n1MN...

  • Page 22: System Layout 7

    BS Plus DeltaSol ® System layout 7 The controller calculates the temperature differences temperature difference (DT F) or the maximum store tem- between the collector sensors S1 and S3 and the store perature (S MX) is reached. sensor S2. If the differences are larger than or identical to Sensor S4 can optionally be connected for measurement purposes or used as reference sensor for the store emer- the adjusted switch-on temperature difference (DT O), the...
  • Page 23 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 / R2 2 K [4 °Ra] n1MN Minimum pump speed R1...

  • Page 24: System Layout 8

    BS Plus DeltaSol ® System layout 8 The controller calculates the temperature difference A solid fuel boiler will be operated by relay 2, if the tempera- between collector sensor S1 and store sensor S2. If the ture difference between sensors S4 and S3 is larger than or difference is larger than or identical to the adjusted switch- identical to the adjusted switch-on temperature difference on temperature difference (DT O), the solar pump will be...
  • Page 25 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] n1MN Minimum pump speed R1...

  • Page 26: System-Specific Functions

    BS Plus DeltaSol ® System-specific functions The following adjustments are used for the specific functions in system layout 8. Reference sensors for this function are S4 and S3. ∆T control for afterheating by solid fuel boiler In system layout 8, the controller is equipped with an ad- DT3O: ditional differential control for heat exchange from a solid Switch-on temperature diff.
  • Page 27 BS Plus DeltaSol ® Maximum temperature limitation Minimum and maximum temperature limits can be set for the solid fuel boiler. MX3O / MX3F: The maximum temperature limitation function provides a Maximum temperature limitation maximum tem perature setting, usually to reduce scald risk Adjustment range: in a storage store.

  • Page 28: System Layout 9

    BS Plus DeltaSol ® System layout 9 The controller calculates the temperature difference A heating circuit return preheating will be operated by between collector sensor S1 and store sensor S2. If the relay 2, if the temperature difference between sensors S3 difference is larger than or identical to the adjusted switch- and S4 is larger than or identical to the adjusted switch-on on temperature difference (DT O), the solar pump will be...
  • Page 29 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] Minimum pump speed 30 %...

  • Page 30: System Layout 10

    BS Plus DeltaSol ® System layout 10 The controller calculates the temperature difference will be operated by relay 2 in order to direct the surplus between collector sensor S1 and store sensor S2. If the energy to a heat dump. For security purpose this will be carried out only if the store temperature is below the non- difference is larger than or identical to the adjusted switch- on temperature difference (DT O), the solar pump will be...
  • Page 31 BS Plus DeltaSol ® Adjustment Channels Channel Description Factory setting Page System DT O Switch-on temperature difference 6.0 K [12.0 °Ra] DT F Switch-off temperature difference 4.0 K [8.0 °Ra] DT S Nominal temperature difference 10.0 K [20.0 °Ra] Rise control R1 2 K [4 °Ra] Minimum pump speed 30 %...

  • Page 32: Operation And Function

    BS Plus DeltaSol ® 2. Operation and function The controller is operated via three push buttons below the display. 2.1 Push buttons Button 1 is used for scrolling forward through the indica- tion menu or to increase the adjustment values. Button 2 is used for scrolling backward and reducing values.

  • Page 33: Flashing Codes

    BS Plus DeltaSol ® System screen The system screen (active system layout) shows the system selected on the controller. It consists of several system component symbols, which are – depending on the current status of the system – either flashing, permanently shown or hidden.

  • Page 34: Commissioning

    BS Plus DeltaSol ® 3. Commissioning Î Establish the power supply During a short initialisation phase, the operating control lamp flashes red and green. When the controller is commissioned for the first time or after a reset, it will run a commissioning menu. The com- missioning menu leads the user through the most impor- tant adjustment channels needed for operating the system.
  • Page 35 BS Plus DeltaSol ® Arr: 4. System layout System layout selection Î Adjust the desired system layout of your solar thermal Adjustment range: 1 ... 10 system Factory setting: 1 For a detailed description of the different system layouts selectable, see chapter 1.4. Overview of system layouts: Arr 1 : standard solar system layout Arr 1...
  • Page 36 BS Plus DeltaSol ® S MX / S1MX / S2MX: 5. Maximum store temperature Maximum store temp. Î Adjust the desired maximum store temperature Adjustment range: 4 ... 95 °C [40 ... 200 °F] Note: Arr 10: The controller is also equipped with a non- 4 ...

  • Page 37: Channel Overview

    BS Plus DeltaSol ® 4. Channel overview 4.1 Display channels Note: The displayed values and adjustment channels depend on which system layout, which options and functions have been selected. Only values and adjustment channels available for the indi- Indication of drainback time periods vidual settings selected will appear in the menu.
  • Page 38 BS Plus DeltaSol ® Indication of current pump speed Indicates the current pump speed of the corresponding pump. • n % : current pump speed (1-pump system) n %, n1 %, n2 %: • n1 % : current pump speed pump 1 Current pump speed •...

  • Page 39: Adjustment Channels

    BS Plus DeltaSol ® 4.2 Adjustment channels In this channel, a pre-defined system layout can be selected. System layout selection Each system layout has a set of pre-programmed settings Arr: that can be individually changed. System layout selection. If the system layout selection is changed later on, all adjust- Adjustment range: 1 ...
  • Page 40 BS Plus DeltaSol ® Maximum store temperature Once the adjusted maximum temperature is exceeded, the solar pump is switched off and further loading of the S MX / S1MX / S2MX: store is prevented to reduce scald risk or system damage. Maximum store temp.
  • Page 41 BS Plus DeltaSol ® Cooling functions In the following the three cooling functions – collector cooling, system cooling and store cooling – are described in detail. The following notes are valid for all three cooling functions: Note: The cooling functions will not become active as long as solar loading is possible.
  • Page 42 BS Plus DeltaSol ® Store cooling function When the store cooling function is activated, the controller aims to cool down the store during the night in order to OSTC: prepare it for solar loading on the following day. Store cooling option Adjustment range: OFF / ON If the adjusted maximum store temperature (S MX / S1MX) Factory setting: OFF...
  • Page 43 BS Plus DeltaSol ® If a multi-store system layout has been chosen, the pri- The DeltaSol BS Plus priority logic ® ority logic determines how the heat is divided between Note: the stores. Different types of priority logic are adjustable: Priority logic can be used in multi-store system •...
  • Page 44 BS Plus DeltaSol ® Tube collector function O TC: This function helps overcome the disadvantages caused by the non-ideal sensor position with some tube collectors. Tube collector function Adjustment range: OFF / ON This function operates within an adjusted time frame (be- Factory setting: OFF ginning at TCST and ending at TCEN).
  • Page 45 BS Plus DeltaSol ® Drainback option A drainback system permits the heat transfer fluid to drain back into the holding tank when solar energy is not coll- Note: ected. The drainback option will initiate the filling of the A drainback system layout requires additional system when solar loading begins.
  • Page 46 BS Plus DeltaSol ® Operating mode For control and service work, the operating mode of the controller can be manually adjusted. For this purpose, select MAN1 / MAN2: the adjustment value MAN1, MAN2 in which the following Operating mode adjustments can be made: Adjustment range: OFF, Auto, ON •...

  • Page 47: Troubleshooting

    5. Troubleshooting fuse In the case of an error, a message is shown on the display of the controller: DE-45527 Hattingen 100 ... 240 V~ DeltaSol BS Plus V2 50-60 Hz Made in Germany CU 72091163 01 Warning symbols IP 20 1 (1) A ( 100 ...

  • Page 48: Various

    BS Plus DeltaSol ® 5.1 Various Pump is overheated, but no heat transfer from the Pump starts for a short moment, switches off, switches collector to the store, flow and return have the same on again, etc. temperature; perhaps also air / gas bubbles in the lines. Air in the system? Temperature difference Air in the system;...
  • Page 49 BS Plus DeltaSol ® Stores cool down at night Control the non-return Further pumps which are valve in warm water cir- connected to the solar culation - o.k. store must also be che- cked. Collector circuit pump runs during the night? Check controller: Manual operation active? Clean or replace it...

  • Page 50: Accessories

    RESOL SD3 (unit °F) Article no.: 180 007 77 Large Display GA3 The RESOL Large Display GA3 is designed for simple connection to RESOL controllers via the RESOL VBus ® . It is used for visualizing the data issued by the controller: collector and store temperature as well as heat quantity produced in the solar system.
  • Page 51 PC network or router. It enables easy access to the controller via the local network of the owner. Thus, controller access and data charting can be effected from every workstation of the network. A full version of the RESOL ServiceCenter software is included. RESOL VBus / LAN interface adapter Article no.: 180 008 80...

  • Page 52: Impressum

    As faults can never be excluded, please note: Your own calculations and plans, under con sider- the approval of RESOL - Elektronische Regelungen GmbH. ation of the current standards should only be basis for your This especially applies for copies, translations, micro- projects.

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