Related Manuals for Caleffi solar iSolar Plus 24V
Summary of Contents for Caleffi solar iSolar Plus 24V
- Page 1 Mounting Connection Operation Fault diagnostics Application examples Thanks for buying this product. manual Read this manual carefully to get the best perfomance from this unit.
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Page 2: Table Of Contents
Contents Safety advice ................2 System monitoring display ..........10 Technical data and overview of functions ......3 2.2.1 Channel indication ............... 10 Installation .............4 2.2.2 Tool bar .................. 10 Mounting .................. 4 2.2.3 System screen ............... 11 Electrical Connection ............4 Blinking codes ............... -
Page 3: Technical Data And Overview Of Functions
• Housing in outstanding design and compact dimensions, easy to install Scope of delivery: 1 x iSolar Plus 24V 1 x accessory bag 1 x spare fuse T4A 2 x screws and dowels 4 x strain relief and screws... -
Page 4: Installation
Installation Warning! 1.1 Mounting Switch-off power supply before opening the housing. display This unit must only be located internally. It is not suitable for installation in hazardous locations and should not be sited near to any electromagnetic field. The controller must additionally be equipped with an all-polar gap of at least 3 mm pushbutton cover... -
Page 5: Data Communication/ Bus
1.2.1 Data communication/ Bus CALEFFI The controller comes with a VBus ® for data communication NORTH AMERICA, Inc. and energy supply of external modules. The connection Milwaukee,WI 53208 is effected with optional polarity at the clamps marked with„VBus “. Via this data Bus you can install one or more ®... -
Page 6: Solar System And Heat Exchange
1.2.3 Allocation of clamps for system 2 Solar system and heat exchange with an existing tank with 1 tank, 4 sensors and 2 pumps. Arr 2 Tank 1 Tank 2 Symbol Specification Collector sensor Tank sensor lower Tank sensor at the top Tank Sensor 2 Solar pump Pump for heat exchange... -
Page 7: Solar System And Tank Charge In Layers
Solar system and tank charge in layers with 1 tank, 1.2.5 Allocation of clamps for system 4 3 sensors, 1 solar pump and 3-way-valve for tank charge in layers. Sensor S4 / TRF can optionally be used for heat quantity balancing. Arr 4 Symbol Specification... -
Page 8: 2-Tank-Solar System Pump Logic
2-tank-solar system with pump logic with 2 tanks, 3 1.2.6 Allocation of clamps for system 6 sensors and 2 solar pumps. Arr 6 Tank 1 Tank 2 Symbol Specification Collector sensor Tank sensor 1 Tank sensor 2 Measuring sensor (optinal) Solar pump 1 Solar pump 2 1.2.7Allocation of clamps for system 7... -
Page 9: Solar System Afterheating By Solid Fuel Boiler
1.2.8 Allocation of clamps for system 8 Solar system with after-heating by solid fuel boiler with 1 tank, 4 sensors, 1 solar pump and 1 pump for after- heating. Arr 8 Symbol Specification Collector sensor Lower tank sensor Upper tank sensor Tank for solid fuel boiler Solar pump Pump for solid hot... -
Page 10: Opearation And Function
Opeartion and function 2.1 Pushbuttons for adjustment The controller is operated by 3 pushbuttons below the display. The forward-key (1) is used for scrolling forward through the indication menu or to increase the adjustment values. The backwards-key (2) is accordingly used for the reverse function. -
Page 11: System Screen
2.2.3 System screen The system screen (active system scheme) shows the schemes 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. System Screen only Sensors upper sensor tank... -
Page 12: Primary Commissioning
3. Primary commissioning For primary commissioning the system scheme has to be adjusted first 1. AC power supply must be activated at first. The controller passes an initialisation phase during which the operating control lamp is blinking red and green. After having finished operating control lamp the initialisation, the controller is in automatic operation with factory settings. -
Page 13: Control Parameter And Display Channels
Control parameter and indication channels 4.1 Channel-overview Corresponding channel is only available if the option heat Legend: quantity measurement is activated (OHQM). Corresponding channel is only available if the option heat Corresponding channel is available. quantity measurement is deactivated (OHQM). MEDT Corresponding channel is available if the appropriate option The channel antifreeze content (MED%) is only shown... - Page 14 Channel Specification Page option collector cooling collector 1 OCX1 option collector cooling collector 1 maximum temperature collector 1 CMX1 maximum temperature collector 1 option minimum limitation collector 1 OKN1 option minimum limitation collector 1 minimun temperature collector 1 CMN1 minimun temperature collector 1 option antifreeze collector 1 OCF1 option antifreeze collector 1...
- Page 15 4.1.1 Indicataion of collector temperatures Shows the current collector temperature. COL, COL1, COL2: Collector temperature • COL : collector temperature (1-collector-system) display range: -40 ... +480°F • COL1 : collector temperature 1 • COL2 : collector temperature 2 4.1.2 Indication of tank temperatures Shows the current tank temperature.
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Page 16: Indication Channels
4.1.6 Operating hours counter The operating hours counter adds up the solar operating h P / h P1 / h P2: hours of the respective relay (h P / h P1 / hP2). Full hours operating hours counter are shown on the display. Indication channel After the operating hours are added up, they can be reset. - Page 17 4.1.8 ∆T -regulation DT O / DT1O / DT2O / First the controller works in the same way as a standard differential controller. If the switch-on difference (DT O / DT3O: DT1O / DT2O) is reached, the pump is activated. If the Switch on temperature diff.
- Page 18 4.1.11 Collector temperature limitation If the adjusted collector limit temperature (EM / EM1 / Emergency shut down of the collector EM2) is exceeded the solar pump (R1/R2) is deactivated in order to avoid a damaging overheating of the solar components (collector emergency shutdown). The factory EM / EM1 / EM2: setting for the temperature limitation is 285°F - it can be temperature limitation corector...
- Page 19 [tRUN] 15 min. 1-30 min. Die iSolar Plus 24V priority logic The above-mentioned options and parameters only have a meaning in multi-tank systems (system Arr = 4, 5, 6). If priority 0 is adjusted, the tanks which show a temperature...
- Page 20 4.1.18 Thermostat function (Arr = 3) The thermostat function works independently from the Afterheating use of surplus energy solar operation and can e.g. be used for the use of surplus energy or after-heating. • AH O < AH F the thermostat function is used for after-heating •...
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Page 21: Tips For Fault Localization
5. Tips for fault localization If a malfunction occurs, it will be indicated on the display of can fuse 4A the controller: CALEFFI NORTH AMERICA, Inc. Milwaukee,WI 53208 1 (1) A 24 V Temp. Sensor (1) A 24 V Warning symbol Pt1000 24 V VBus... -
Page 22: Various
5.1Various: Pump is overheated, but no heat transfer from collector Pump starts for a short moment, switches-on/off to the tank, feed flow and return flow are equally warm, reapeatedly possibly also bubble in the tubes Air in the system? Is the temperature diffe- Exhaust the system;... - Page 23 Tanks are cooled during the night. Control the return flow Please also check further preventer in warm water pumps which are connec- circulation- o.k. ted to the solar tank. Does collector circuit pump run during the night? Check the controller Cleaning or replacement.
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Page 24: Accessory
6. Accessory Sensors Our product range comprises high-precision platin tem- perature sensors, flatscrew sensors, ambient temperature sensors, indoor temperature sensors, cylindrical clip-on sensors and irradiation sensors, also to be used as complete sensors with sensor pocket. Overvoltage protection We highly recommend to install the overvoltage protection in order to avoid overvoltage damages at the collector (e.g.
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