Resol DeltaSol SL Manual
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Resol DeltaSol SL Manual

Solar controller
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Enlarged version
DeltaSol
beginning with firmware version 1.05
Solar controller
Manual for the
specialised craftsman
Installation
Operation
Functions and options
Troubleshooting
The Internet portal for easy and secure access to
your system data – www.vbus.net
Thank you for buying this RESOL product.
Please read this manual carefully to get the best performance from this unit.
Please keep this manual safe.
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  • Page 1 Troubleshooting The Internet portal for easy and secure access to your system data – www.vbus.net Thank you for buying this RESOL product. Manual Please read this manual carefully to get the best performance from this unit. Please keep this manual safe.
  • Page 2 The product complies with the relevant directives and is therefore Notes are indicated with an information symbol. labelled with the CE mark. The Declaration of Conformity is available upon request, please contact RESOL. Î Arrows indicate instruction steps that should be carried out. Note: Strong electromagnetic fields can impair the function of the controller.

  • Page 3: Table Of Contents

    Solar controller DeltaSol ® With its versatile software, the DeltaSol SL can control even complex systems ® The multicoloured LED, integrated in the Lightwheel , offers many possibilities to ® easily and reliably. 27 pre-configured system layouts with up to 3 hydraulic variants signal different system states.

  • Page 4: Overview

    Supply connection: type Y attachment Standby: 0.69 W Temperature controls class: I Energy efficiency contribution: 1 % Mode of operation: Type 1.B.C.Y Rated impulse voltage: 2,5 kV Data interface: RESOL VBus , MicroSD card slot ® VBus current supply: 60 mA ®...

  • Page 5: Installation

    Installation Electrical connection Mounting ESD damage! ATTENTION! Electrostatic discharge can lead to damage to electronic com- WARNING! Electric shock! ponents! Upon opening the housing, live parts are exposed! Î Take care to discharge properly before touching the Î Always disconnect the controller from power supply inside of the device! To do so, touch a grounded sur- before opening the housing! face such as a radiator or tap!

  • Page 6: Data Communication / Bus

    The connection depends on the system layout selected (see page 7). Note: For more details about the initial commissioning procedure see page 41. MicroSD card slot A MicroSD card is not included, but can also be purchased at RESOL. For more information about using a MicroSD card, see page 69.

  • Page 7: System Overview

    System overview Solar system with 1 store (page 9) Solar system with 2 stores and heat Solar system with 1 store and after- Solar system with 1 store and 3-port exchange (page 10) heating (page 11) valve for store loading in layers (page 12) Solar system with 2 stores and valve Solar system with east-/west collectors Solar system with 1 store and solid...
  • Page 8 Solar system with 2 stores and heat Solar system with east-/west collectors Solar system with east-/west collectors Solar system with east-/west collectors exchange (page 25) and thermostatic afterheating (page 26) and return preheating (page 27) and store loading in layers (page 28) Solar system with with east-/west collec- Solar system with 2 stores, valve con- Solar system with 2 stores, valve con-...

  • Page 9: Systems

    Systems System 1: Standard solar system with 1 store Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Free R2 / N / PE Sensors Relais base Free R3 / N / PE Free 3 / GND Free...
  • Page 10 System 2: Solar system with 2 stores and heat exchange Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Free R2 / N / PE base Store loading pump R3 / N / PE Temperature heat 3 / GND...
  • Page 11 System 3: Solar system with 1 store and afterheating Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Free R2 / N / PE base Store loading pump R3 / N / PE Temperature after- 3 / GND...
  • Page 12 System 4: Solar system with 1 store and 3-port valve for store loading in layers Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Free R3 / N / PE...
  • Page 13 System 5: 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Free R3 / N / PE...
  • Page 14 System 6: 2-store solar system with pump logic Relay Sensors Solar pump store R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Free R3 / N / PE Free...
  • Page 15 System 7: Solar system with east-/west collectors Sensors Relay Temperature collector 1 / GND Solar pump collector R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Free R3 / N / PE Free 3 / GND...
  • Page 16 System 8: Solar system with 1 store and afterheating with solid fuel boiler Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Relais Sensors Temperature store 2 / GND Free R2 / N / PE base Loading pump solid R3 / N / PE...
  • Page 17 System 9: Solar system with 1 store and return preheating Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Free R2 / N / PE base Valve return preheating R3 / N / PE Temperature store 3 / GND Free...
  • Page 18 System 10: Solar system with 1 store, return preheating and thermostatic afterheating Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve return preheating R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 19 System 11: Solar system with store loading in layers and heat exchange control Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 20 System 12: Solar system with store loading in layers and thermostatic afterheating Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 21 System 13: Solar system with store loading in layers and afterheating with solid fuel boiler Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Loading pump solid R3 / N / PE...
  • Page 22 System 14: Solar system with store loading in layers and return preheating Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Valve return preheating R3 / N / PE Temperature store top...
  • Page 23 System 15: 2-store solar system with valve logic and heat exchange control Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 24 System 16: 2-store solar system with pump logic and heat exchange control Relay Sensors Solar pump store 1 R1 / N / PE Temperature collector 1 / GND Relais Sensors Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 25 System 17: Solar system with east-/west collectors and heat exchange control Relay Sensors Solar pump collector R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 26 System 18: Solar system with east-/west collectors and thermostatic afterheating Relay Sensors Solar pump collector R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 27 System 19: Solar system with east-/west collectors and return preheating Sensors Relay Temperature collector 1 / GND Solar pump collector R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Valve solar circuit R3 / N / PE...
  • Page 28 System 20: Solar system with store loading in layers and east-/west collectors Sensors Relay Temperature collector 1 / GND Solar pump collector R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Valve solar circuit R3 / N / PE...
  • Page 29 System 21: Solar system with east-/west collectors and 2 stores (valve logic) Sensors Relay Temperature collector 1 / GND Solar pump collector R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Valve solar circuit R3 / N / PE...
  • Page 30 System 22: 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 31 System 23: 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Relay Sensors Solar pump R1 / N / PE Temperature collector 1 / GND Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Valve return preheating R3 / N / PE Temperature store...
  • Page 32 System 24: 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Sensors Relay Temperature collector 1 / GND Solar pump R1 / N / PE Sensors Relais Temperature store 2 / GND Valve solar circuit R2 / N / PE base Store loading pump R3 / N / PE...
  • Page 33 System 25: 2-store solar system with pump logic Sensors Relay Temperature collector 1 / GND Solar pump store 1 R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Pump R3 / N / PE...
  • Page 34 System 26: 2-store solar system with pump logic Sensors Relay Temperature collector 1 / GND Solar pump store 1 R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Valve return preheating R3 / N / PE Temperature store...
  • Page 35 System 27: 2-store solar system with pump logic Sensors Relay Temperature collector 1 / GND Solar pump store 1 R1 / N / PE Sensors Relais Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Loading pump R3 / N / PE...

  • Page 36: Operation And Function

    Operation and function Electrical connection of a high-efficiency pump (HE pump) Speed control of a HE pump is possible via a PWM signal / 0-10 V control. The pump Buttons and adjustment dial has to be connected to the relay (power supply) as well as to one of the PWM A/B outputs of the controller.

  • Page 37: Control Lamp

    Control lamp The controller is equipped with a multicolour LED in the centre of the Lightwheel The status level consists of different display channels which indicate display values ® indicating the following states: and messages. The menu level consists of several menu items each of which consist of sub-menus Colour Permanently shown Flashing...

  • Page 38: Resetting Balance Values

    System-Monitoring Display Selecting and adjusting options / functions System-Monitoring-Display An option or function containing adjustment values are marked with PUSH. Î In order to access the sub-menu of the option, select the option by turning the Lightwheel and press the right button ( ®...

  • Page 39: System Screen

    System screen The system selected is indicated in the System-Monitoring-Display. It consists of several system component symbols which are – depending on the current status of the system – either flashing, permanently shown or hidden. Sensor Sensors Collectors Collector 2 with collector sensor Store 1 and 2 Heating circuit...

  • Page 40: Further Indications

    Status level / Measurement values Further indications During normal operation of the controller, the display is in the status level, indicating the measurement values (depending on the system) shown in the table. Smiley In addition to the display values, possible error messages are indicated in the status If the controller operates faultlessly (normal operation), a smiley is displayed.

  • Page 41: Balance Values

    Commissioning Display Description (long text) Heat quantity MWh When the hydraulic system is filled and ready for operation, connect the controller BLPR Blocking protection relay 1 to the mains. BLPR2 Blocking protection relay 2 The controller runs an initialisation phase in which all symbols are indicated in the display.
  • Page 42 Commissioning 1. Language: 7. Daylight savings time adjustment: Î Adjust the desired menu language. Î Activate or deactivate the automatic daylight sav- ings time adjustment. 2. Temperature unit: 8. Date: Î Adjust the desired temperature unit. Î Adjust the date. First of all adjust the year, then the month and then the day.
  • Page 43 Commissioning 11. Maximum store temperature: 15. Minimum speed: Î Adjust the maximum store temperature. In 2-store Î Adjust the minimum speed MIN of the relay. Car- systems, the adjustment has to be carried out for ry out this adjustment for relay 2 and relay 3 as S2MAX aswell (see page 51).

  • Page 44: Indications, Functions And Options

    STAB An additional document including a list with all options and parameters can be downloaded at www.resol.com. Stabilisation Indicates the time adjusted in tSTB, running backwards. Status level...
  • Page 45 Display of temperatures at S3, S4 and S5 Display of flow rate L/ , S3, S4, S5 Flow rate Sensor temperatures Indication range: 0 … 9999 l/h Display range: -40 … +260 °C Indicates the measured current flow rate. The flow rate value is used for cal- Indicates the current temperature at the corresponding additional sensor culating the heat quantity supplied (V40 / VFS / Flowrotor).
  • Page 46 Display of heat quantity SDIS kW /MW Starting time Display range: 0:00 … 24:00 (time) Heat quantity in kWh / MWh If the thermal disinfection option (OTDIS) is activated and a starting delay Indicates the heat quantity produced in the system. For this purpose, the heat time has been adjusted, the delay time is displayed (flashing) in this channel.

  • Page 47: Menu Overview

    Menu overview BALAN LLOGI OHQM UNIT » p. 48 » p. 54 » p. 60 » p. 64 » p. 68 BALANCE VALUES LOADING LOGIC RELAY HEAT QUANTITY UNIT ADJUSTMENT MEASUREMENT COOL H-DAY SENS OSDC » p. 49 » p. 57 »...
  • Page 48 Balance values 1 Operating hours counter BALAN hR 1 (... 4) Operat. hours PUSH Relay 1 … 4 DAYS R (1, 2, 3, 4) Operating days Operating hours counter The operating hours counter accumulates the solar operating hours of the relay MAXS1 (...
  • Page 49 Adjustment level 2 System Selecting the system Each system has pre-programmed options and adjustments which can be activated or changed respectively if necessary. Select the system first (see chap. 3 on page 36). Basic system PUSH Adjustment range: 1 … 27 Selecting the hydraulic variant Factory setting: 1 A selection can be made between representations with or without integrated heat...
  • Page 50 3/4 ∆T control The controller works as a standard differential controller. If the temperature reach- LOAD (2) DT(2) O es or exceeds the switch-on temperature difference, the pump switches on. When Switch-on temperature diff. the temperature difference reaches or falls below the adjusted switch-off tempera- PUSH Adjustment range: 1.0 …...
  • Page 51 3/4 Priority logic Priority logic can be used in 2-store systems or systems with store loading in layers only and determines how the heat is divided between the stores. S(2)MAX PRIO : Store 1 / store base Store maximum temperature PRIO 2 : Store 2 / store top Adjustment range: 4 …...
  • Page 52 5/6 Collector emergency shutdown When the collector temperature exceeds the adjusted collector emergency tem- COL (2) CEM (2) perature, the solar pump (R1 / R2) switches off in order to protect the system Collector temperature limitation components against overheating (collector emergency shutdown). If the maximum PUSH Adjustment range: 80 …...
  • Page 53 5/6 Collector minimum temperature The minimum collector temperature is the minimum switch-on temperature which OCMI (2) must be exceeded for the solar pump (R1 / R2) to switch on. If the collector tem- OCMN Collector minimum temp. perature falls below the adjusted minimum temperature, is displayed (flashing).
  • Page 54 5/6 Antifreeze function OCFR (2) OCFR Antifreeze function The antifreeze function activates the loading circuit between the collector and the Selection: ON / OFF store when the temperature falls below the adjusted temperature CFR O. This will PUSH Factory setting: OFF protect the fluid against freezing or coagulating.
  • Page 55 Note: If the drainback option is activated, the cooling functions and the antifreeze function will not be available. The H-DAY menu (holiday function) will also OBST not be available and cannot be selected by means of the micro button BACK Booster function Selection: ON / OFF Note:...
  • Page 56 Spreaded loading option In 2-store systems with 2 pumps, a spreaded loading function can be activated: As soon as the adjustable spread difference DTSE between the collector and the priority store is reached, the second store will be loaded in parallel unless Loading break time it is blocked.
  • Page 57 8 Cooling functions Different cooling functions can be activated: system cooling, store cooling and heat OSYC COOL dump. Option system cooling Note: Adjustment range: OFF / ON PUSH Factory setting: OFF If the temperature at the store sensor reaches 95 °C, all cooling functions will be blocked.
  • Page 58 Variant pump: The allocated relay is energised with 100 %, if the collector temperature reaches the adjusted switch-on temperature. OTCL If the collector temperature falls by 5 K below the adjusted collector overtemper- Overtemperature collector ature, the relay will be switched off. In the variant pump, the heat dump function Adjustment range: 40 …...
  • Page 59 10 Heat exchange function The heat exchange function can be used for transferring heat from a heat source HEATX DTHXO to a heat sink. Switch-on temperature diff. The relay (system-dependent) is energised when all switch-on conditions are ful- PUSH Adjustment range: RISHX / Rise 1.0 …...
  • Page 60 12 Return preheating The return preheating function can be used for transferring heat from a heat source to the heating circuit return. The relay (system-dependent) is energised when both switch-on conditions are fulfilled: DTRPO Return preheating • the temperature difference between the sensors store return and heating circuit Switch-on temperature diff.
  • Page 61 14 Holiday function The holiday function is used for operating the system when no water consumption H-DAY OSYC is expected, e. g. during a holiday absence. This function cools down the system in Option system cooling order to reduce the thermal load. PUSH Adjustment range: OFF / ON Factory setting: OFF...
  • Page 62 Note: The adjustments described in this chapter are independent of those in the COOL menu, which are inactive during a holiday. HDSEN DHW heating Heat dump sensor Note: Selection: 1 … 6 If the drainback option is activated, the holiday function will also not be Factory setting: 3 AHOFF available and cannot be selected by means of the micro button...
  • Page 63 OTDIS 17 Thermal disinfection Thermal disinfection option This function helps to contain the spread of Legionella in DHW stores by system- OTDIS Adjustment range: ON / OFF atically activating the afterheating. Factory setting: OFF One sensor and one relay can be selected for this function. PUSH For thermal disinfection, the temperature at the allocated sensor has to be moni- PDIS / Monitoring operiod...
  • Page 64 19 Heat quantity measurement The heat quantity measurement can be carried out in 4 different ways: without V40 OHQM OHQM flowmeter, with V40 flowmeter, with Grundfos or with Flowrotor. Direct Sensor Heat quantity measurement option PUSH Adjustment range: OFF / ON Note: Factory setting: OFF The most precise heat quantity measurement is achieved by using sensors...
  • Page 65 Heat quantity measurement with fixed flow rate value The heat quantity measurement calculation (estimation) uses the difference between the flow and return temperatures and the entered flow rate (at 100 % pump speed). Î Adjust 1 in the channel FTYPE. Î Read the flow rate (l/min) and adjust it in the FMAX channel. Î...
  • Page 66 20 Sensors The sensor type can be selected for the sensor inputs S1 to S5. SENS SEN 1 (...5) / Sensor type The measuring range or the impulse rate respectively can be adjusted for the sen- Selection: Pt1000, KTY, Pt500 sor inputs Grundfos Direct Sensor , Flowrotor and V40.
  • Page 67 22 Pressure monitoring OOVPR Note: PRESS Option overprossure monitoring The pressure monitoring function will only be available when an RPD type Adjustment range: OFF / ON PUSH Grundfos Direct Sensor™ is connected. Factory setting: OFF The pressure monitoring function can be used for detecting overpressure or low OVPRO pressure conditions inside the system, and if necessary to shut down the affected On at...
  • Page 68 23 Time and date TIME / Time The controller is equipped with a real time clock required e. g. for the thermostat DATE Adjustment range: 00:00 … 23:59 function. Factory setting: 12:00 In the display, the lower line indicates the day followed by the month. PUSH ADST Automatic daylight savings time adjustment...
  • Page 69 The controller will only find a firmware update on a MicroSD memory REMC card when it is stored in a folder named "RESOL / SL". Display: YES, SUCC ÎCreate a folder named "RESOL" on the SD card, create a sub-folder Factory setting: YES "SL", and extract the downloaded ZIP file into this folder.
  • Page 70 26 Starting the logging Messages possible Description Î Insert the MicroSD card into the slot. FSYS File system error Logging will start immediately. CTYP Card type is not supported Î Adjust the desired logging interval LOGI. WRIT Error during writing When LLOG is activated, data logging will stop if the capacity limit is reached.
  • Page 71 27 Function control ∆T control ∆T HI This function is used for monitoring the temperature difference between the col- ∆T too high option lector and the store. The message ∆T too high is shown, if solar loading has been PUSH Selection: ON / OFF carried out for a period of 20 minutes with a differential higher than 50 K.
  • Page 72 27 Maximum store temperature STMAX This function is used for detecting and indicating if the adjusted maximum store temperature has been exceeded. The controller compares the current store tem- PUSH perature to the adjusted maximum store temperature, thus monitoring the store loading circuits.
  • Page 73 Controller restarts With the Restart counting option, controller restarts since commissioning can be counted. The number of controller restarts is indicated in the NUMST channel. START PUSH START Real-time clock monitoring Restart counting option The real-time clock monitoring option can be used to generate an error message if Selection: ON / OFF the real-time clock module of the controller is defective.

  • Page 74: User Code And Short Menu - Adjustment Values

    User code and short menu - Adjustment values Code Adjustment Channel Factory setting Designation The access to some adjustment values can be restricted via a user code (customer). range TIME 12:00 00:00 … 23:59 Time 1. Installer 0262 (Factory setting) DT O 6.0 K 1.0 …...

  • Page 75: 10 Messages

    10 Messages In the case of an error, the control LED starts flashing red and a message is indicated In the case of a sensor error, the system switches off, and a message appears on the in the status display. A warning triangle is additionally indicated. If more than one display.

  • Page 76: 11 Troubleshooting

    11 Troubleshooting If a malfunction occurs, a message will appear on the display of the controller. Control LED in the Lightwheel ® flashes red.. The symbol is indicated on the display and the symbol flashes. Lightwheel or display are permanently off. ®...
  • Page 77 (warmest collector output); use immersion sleeve of the respective Plausibility control of the option collector. Clean it tube collector function. Heat exchanger too small? Replace with correctly sized one. Note: For answers to frequently asked questions (FAQ) see www.resol.com. 77 77...
  • Page 78 The solar circuit pump does not work, although the collector is considerably warmer than the store. Insulation close enough to the store? LED in Lightwheel illuminated? If ® Replace insulation or increase it. not, press the right button. Display illuminated again? Are the store connections insulated? There is no current;...

  • Page 79: 12 Accessories

    12 Accessories Sensors Smart Display SD3 / Large Display GA3 Overvoltage protection device AM1 Alarm module VFS / RPS Grundfos Direct Sensors™ DL2 Datalogger V40 flowmeter VBus / USB & VBus / LAN ® ® DL3 Datenlogger interface adapters 79 79...

  • Page 80: Sensors And Measuring Instruments

    Be it solar thermal, heating or DHW heat exchange controllers – with the DL3 VFS and RPS Grundfos Direct Sensors™ you can easily and conveniently log system data of up to 6 RESOL controllers. Get The RPS Grundfos Direct Sensor™ is an analogue sensor that measures both tem- a comprehensive overview of all controllers connected with the large full graphic perature and pressure.

  • Page 81: Index

    Index Menu overview .............................. 47 Accessories............................... 79, 80 Menu structure .............................. 37 Afterheating ..............................59 Messages ................................. 75 Antifreeze function ............................54 Microbutton ..............................36 MicroSD ..............................6, 69 Minimum and maximum temperatures ....................48 Balance values ............................41, 48 MonitoringDisplay ............................
  • Page 82 82 82...
  • Page 83 83 83...
  • Page 84 - they only represent use outside the copyright requires the approval of RESOL – Elektronische some examples. They can only be used at your own risk. No liability is assumed for Regelungen GmbH.

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