Resol DeltaSol SLL Installation, Operation, Maintenance Manual
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Resol DeltaSol SLL Installation, Operation, Maintenance Manual

Solar controller
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Enlarged version
DeltaSol
Solar controller
Manual for the
specialised craftsman
Operation
Functions and options
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.
SLL
®
beginning with firmware version 1.05
en
Manual
www.resol.com

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Summary of Contents for Resol DeltaSol SLL

  • 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 Note labelled with the CE mark. The Declaration of Conformity is available Notes are indicated with an information symbol. upon request, please contact RESOL. Note Î Arrows indicate instruction steps that should be carried out. Strong electromagnetic fields can impair the function of the controller.

  • Page 3: Table Of Contents

    Solar controller DeltaSol ® The DeltaSol ® SLL is the smallest controller of the SL series. Its equipment Additionally, it is equipped with a potential-free extra-low voltage relay for after- is optimised for small and medium-sized solar thermal and heating systems, 10 heating demand and a V40 flowmeter input for heat quantity measurement.

  • Page 4: Overview

    Standby: 0.71 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 ® VBus current supply: 60 mA ® Functions: operating hours counter, tube collector function, thermostat function,...

  • Page 5: Installation

    Installation 2.2 Electrical connection 2.1 Mounting WARNING! Electric shock! Upon opening the housing, live parts are exposed! WARNING! Electric shock! Î Always disconnect the controller from power supply Upon opening the housing, live parts are exposed! before opening the housing! Î...

  • Page 6: Data Communication / Bus

    Furthermore, the controller can be connected to a PC or integrated into a network via the RESOL VBus ® /USB or VBus ® /LAN interface adapter (not included). Different solutions for visualisation and remote parameterisation are available on the RESOL 100 ... 240 V website www.resol.com. 50-60 Hz Note DeltaSol ®...

  • Page 7: System Overview

    2.4 System overview Solar system with 1 store (page 8) Solar system with 2 stores and Solar system with 1 store and Solar system with 1 store and 3-port valve heat exchange (page 9) afterheating (page 10) for store loading in layers (page 11) Solar system with 2 stores and Solar system with 2 stores and Solar system with east-/west...

  • Page 8: Systems

    2.5 Systems System 1: Standard solar system with 1 store Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Free R2 / N / PE base Free R4 / R4 Free 3 / GND...
  • Page 9 System 2: Solar system with 2 stores and heat exchange Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Store loading pump R2 / N / PE base Free R4 / R4...
  • Page 10 System 3: Solar system with 1 store and afterheating Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Store loading pump R2 / N / PE base Afterheating demand R4 / R4 Temperature...
  • Page 11 System 4: Solar system with 1 store and 3-port valve for store loading in layers Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Valve Solar R2 / N / PE base Free R4 / R4...
  • Page 12 System 5: 2-store system with valve logic, 1 pump, 3 sensors and 3-port valve Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Valve Solar R2 / N / PE base Free R4 / R4...
  • Page 13 System 6: 2-store solar system with pump logic Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump store R1 / N / PE Temperature store 2 / GND Solar pump store 2 R2 / N / PE base Free R4 / R4...
  • Page 14 System 7: Solar system with east- / west collectors Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump collector R1 / N / PE Temperature store 2 / GND Solar pump collector 2 R2 / N / PE base Free R4 / R4...
  • Page 15 System 8: Solar system with 1 store and afterheating with solid fuel boiler Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Loading pump solid R2 / N / PE base fuel boiler Temperature store top...
  • Page 16 System 9: Solar system with 1 store and return preheating Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Valve return preheating R2 / N / PE base Free R4 / R4...
  • Page 17 System 10: Solar system with 1 store and heat dump Temperature sensors Relay Sensors Relais Temperature collector 1 / GND Solar pump R1 / N / PE Temperature store 2 / GND Heat dump valve R2 / N / PE base Free R4 / R4...

  • Page 18: Operation And Function

    Operation and function Electrical connection of a high-efficiency pump (HE pump) 3.1 Buttons and adjustment dial Speed control of a HE pump is possible via a PWM signal. The pump has to be connected to the relay (power supply) as well as to one of the PWM A/B outputs of the controller.

  • Page 19: Control Lamp

    3.3 Control lamp The controller is equipped with a multicolour LED in the centre of the Lightwheel The menu structure of the controller consists of 2 levels: the status level and the ® menu level. indicating the following states: The status level consists of different display channels which indicate display values Colour Permanently shown Flashing...

  • Page 20: 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 21: System Screen

    4.1 System screen 4.2 Further indications The system selected is indicated in the System-Monitoring-Display. It consists of Smiley several system component symbols which are – depending on the current status of If the controller operates faultlessly (normal operation), a smiley ☺ is displayed. the system –...

  • Page 22: Status Level / Measurement Values

    Status level / Measurement values Balance values During normal operation of the controller, the display is in the status level, indicating The balance value menu indicates the balance values. the measurement values (depending on the system) shown in the table. Display Description In addition to the display values, possible error messages are indicated in the status...

  • Page 23: Commissioning

    Commissioning Commissioning 1. Language: When the hydraulic system is fi lled and ready for operation, connect the controller Î Adjust the desired menu language. to the mains. The controller runs an initialisation phase in which all symbols are indicated in the display.
  • Page 24 Commissioning 5. System: 9. Loading store 2: Î Adjust the desired system (see page 49). Î Switch on or off the “loading store 2” option (see page 33). Note “Loading store 2” is only available if a 2-store system or store loading in layers has been 6.
  • Page 25 Commissioning 12. Maximum speed: Î Adjust the maximum speed MAX of the relay. Carry out this adjustment for relay 2 as well, if necessary (see page 42). Note The maximum speed value will not be avail- able if ONOF has been selected in the sub-channel REL (REL2).

  • Page 26: Indications, Functions And Options

    An additional document including a list with all options and parameters can be downloaded at www.resol.com. STAB Stabilisation 8.1 Status level...
  • Page 27 Display of store temperatures Display of further temperatures TSTB, etc. TSFB, etc. Store temperatures Further measured temperatures Display range: -40 … +260 °C Indication range: -40 … +260 °C Displays the current store temperature. Indicates the current temperature at the corresponding sensor. The display of •...
  • Page 28 Display of speed Indication of thermal disinfection TDIS 1 %, 2 % Disinfection temperature Current pump speed Indication range: -40 … +260 °C Indication range: 20 … 100 % (standard pump / HE pump) If the thermal disinfection option (OTDIS) is activated and the disinfection Indicates the current speed of the corresponding pump.
  • Page 29 DDIS Disinfection period Display range: 0:00 … 23:59 (hh:mm) If the thermal disinfection option (OTDIS) is activated and the disinfection period is in progress, the remaining time of the heating period is displayed (in hours and minutes) in this channel, counting backwards. Display of time Time Indicates the current clock time.

  • Page 30: Menu Overview

    8.2 Menu overview BALAN COL 2 BLPR DATE »P. 48 » P. 34 » P. 31 » P. 41 » P. 44 BALANCE VALUES COLLECTOR 2 AFTERHEATING BLOCKING DATE PROTECTION LOAD OTDIS LANG » P. 48 » P. 36 » P. 42 »...
  • Page 31 Balance values 1 Operating hours counter BALAN hR 1 (2, 4) Operating hours PUSH Relays 1, 2, 4 DAYS Operating days R (1, 2, 4) Operating hours counter MAXS1(… 4) The operating hours counter accumulates the solar operating hours of the relay Maximum temperature (h R1 / h R2 / h R4).
  • Page 32 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 33 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 PRIO2: Store 2 / store top Adjustment range: 4 …...
  • Page 34 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 emergency tem- components against overheating (collector emergency shutdown). If the maximum PUSH perature collector temperature is exceeded, ⚠...
  • Page 35 5/6 Collector minimum temperature The minimum collector temperature is the minimum switch-on temperature which must be exceeded for the solar pump (R1 / R2) to switch on. If the collector tem- OCMN OCMI (2) Collector minimum temp. perature falls below the adjusted minimum temperature, ❄ is displayed (flashing). PUSH Selection: OFF / ON Note...
  • Page 36 5/6 Antifreeze function OCFR (2) OCFR Antifreeze function The antifreeze function activates the loading circuit between the collector and the Selection: OFF / ON 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 37 Note If the drainback option is activated, the cooling functions and the antifreeze function will not be available. The H-DAY (holiday function) menu will also not be available and cannot be OBST selected by means of the microbutton ⛁ . BACK Booster function Selection: OFF / ON...
  • Page 38 Spreaded loading option In 2-store systems with 2 pumps, a spreaded loading function can be activated: As soon as the adjustable temperature 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 39 8 Cooling functions Different cooling functions can be activated: system cooling, store cooling and heat COOL OSYC dump. Option system cooling Note PUSH Adjustment range: OFF / ON If the temperature at the store sensor reaches 95 °C, all cooling functions Factory setting: OFF will be blocked.
  • Page 40 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: works independent from solar loading.
  • Page 41 10 Heat exchange function The heat exchange function can be used for transferring heat from a heat source HEATX DTHXO to a heat sink. RISHX Switch-on temperature diff. The relay (system-dependent) is energised when all switch-on conditions are ful- Rise PUSH Adjustment range: Adjustment range: 1 …...
  • Page 42 12 Return preheating The return preheating function can be used for transferring heat from a heat source DTRPO to the heating circuit return. Return preheating Switch-on temperature diff. The relay (system-dependent) is energised when both switch-on conditions are fulfilled: PUSH Selection: OFF / ON Adjustment range: •...
  • Page 43 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 Only if the holiday function has been activated with the parameter DAYS will the...
  • Page 44 Note The adjustments described in this chapter are independent of those in the COOL menu, which are inactive during a holiday. Note When the drainback option is activated, the holiday function will not be available and cannot be selected by means of the microbutton ⛁ . Note If the holiday function is activated, the drainback option will not be avail- able.
  • Page 45 17 Thermal disinfection This function helps to contain the spread of Legionella in DHW stores by system- OTDIS OTDIS atically activating the afterheating. Thermal disinfection option R2 is the reference relay, S3 is the reference sensor. PUSH Adjustment range: OFF / ON For thermal disinfection, the temperature at the reference sensor has to be moni- Factory setting: OFF tored.
  • Page 46 19 Heat quantity measurement The heat quantity measurement can be carried out in 2 different ways: without V40 OHQM OHQM flowmeter or with V40 flowmeter Heat quantity measurement option PUSH Adjustment range: OFF / ON Note Factory setting: OFF The most precise heat quantity measurement is achieved by using sensors in the flow and return pipes as well as a flowmeter.
  • Page 47 19 Heat quantity measurement with fixed flow rate value The heat quantity measurement calculation (estimation) uses the difference be- tween the flow and return temperatures and the entered flow rate (at 100 % pump speed). Î Adjust 1 in the channel FTYPE. Î...
  • Page 48 21 Time and date The controller is equipped with a real time clock required e. g. for the thermostat DATE TIME / time function. Adjustment range: 00:00 … 23:59 In the display, the lower line indicates the day followed by the month. PUSH Factory setting: 12:00 ADST...
  • Page 49 23 Function control ∆T monitoring ∆T HI This function is used for monitoring the temperature difference. The message ∆T Option ∆T too high too high is shown, if solar loading has been carried out for a period of 20 min with a PUSH Selection: ON / OFF differential higher than 50 K.
  • Page 50 Maximum store temperature This function is used for detecting and indicating if the adjusted maximum store temperature has been exceeded. The controller compares the current store tem- STMAX perature to the adjusted maximum store temperature, thus monitoring the store PUSH loading circuits.

  • Page 51: User Code And Short Menu - Adjustment Values

    User code and short menu – Adjustment values Code Short menu The access to some adjustment values can be restricted via a user code (customer). Channel Factory setting Adjustment range Designation 1. Installer 0262 (Factory setting) TIME 12:00 00:00 … 23:59 Time All menus and adjustment values are shown and all values can be altered.

  • Page 52: Troubleshooting

    11 Troubleshooting Control LED in the Lightwheel ® is flashing red. The symbol ☍ is indicated on the If a malfunction occurs, a message will appear on the display of the controller. display and the symbol ⚠ is flashing. Lightwheel ®...
  • Page 53 (warmest collector output); use immersion sleeve of the respective collector. Clean it Plausibility control of the option tube collector function Heat exchanger too small? Replace with correctly sized Note one. For answers to frequently asked questions (FAQ) see www.resol.com.
  • Page 54 The solar circuit pump does not work, although the collector is considerably warmer than the store. Insulation close enough to the store? Replace insulation or increase it. LED in Lightwheel ® illuminated? If not, press the right button. Display Are the store connections insulated? illuminated again? There is no current;...

  • Page 55: Accessories

    12 Accessories Temperature sensors SD3 Smart Display / GA3 Large Display Overvoltage protection device AM1 Alarm Module V40 fl owmeter DL2 Datalogger VBus ® / USB & VBus ® / LAN interface adapters DL3 Datalogger...

  • Page 56: Sensors And Measuring Instruments

    Be it solar thermal, heating or DHW heat exchange controllers – with the DL3 sensors, outdoor temperature sensors, indoor temperature sensors, cylindrical clip- you can easily and conveniently log system data of up to 6 RESOL controllers. Get on sensors, also as complete sensors with immersion sleeve.

  • Page 57: Index

    13 Index Menu structure ........................19 Accessories........................55, 56 Messages ..........................51 Afterheating ......................... 41 Microbuttons ........................18 Antifreeze function ......................36 Minimum and maximum temperatures ................. 31 Monitoring-Display ......................20 Blocking protection ......................44 Mounting ..........................5 Booster function ........................ 37 Night circulation .........................
  • Page 60 - 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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