Related Manuals for Grant Grant Solar GS222020X
Summary of Contents for Grant Grant Solar GS222020X
- Page 1 Grant Solar SD3X Solar Controller (East/West Systems) Product code: GS222020X Installation and Servicing Instructions UK - DOC 0107 Rev 1.0 - November 2015...
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Page 2: Table Of Contents
Table of content A. - Safety instructions 5. - Protections / Protective Z.1. Malfunctions with error A.1. - EC declaration of conformity 4 functions messages A.2. - General instructions 5.1. - System protection Z.2 Replacing the fuse A.3. - Explanation of symbols 5.2. - Page 3 This manual applies to the following hardware versions: Version 1 Version 2 3 mechanical relays (2 on/off, 1 changeover contact) 2 mechanical relays (1 on/off, 1 change-over contact) 1 PWM / 0-10V for high effi cency pumps 1 electronic relay 5 PT1000 temperature sensor inputs for speed control of standard pumps 1 PWM / 0-10V for high effi cency pumps...
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Page 4: Safety Instructions
Safety instructions A.1. - EC declaration of conformity By affi xing the CE mark to the unit the manufacturer declares that the LTDC conforms to the following relevant safety regulations: EC low voltage directive 2006/95/EC EC electromagnetic compatibility directive 2004/108/EC Conformity has been verifi ed and the corresponding documentation and the EC declaration of conformity are kept on fi le by the manufacturer. -
Page 5: Changes To The Unit
Description of controller A.4. - Changes to the unit • Changes, additions to or conversion of the unit are not permiddled without the written permission from the manufacturer • It is likewise forbidden to install additional components that have not been tested together with the unit •... -
Page 6: Description Of Controller
Description of controller B.1. - Specifications Electrical specifications: Mains voltage 100 - 240VAC Mains frequency 50 - 60Hz Power consumption 0,5W - 2,5W Internal fuse T2A / 250V slow blow Protection category IP40 Protection class Overvoltage Category Degree of Pollution Category Vers.1 Vers.2 Vers.3... -
Page 7: Temperature Resistance Table For Pt1000 Sensors
Description of controller B.2. - Temperature resistance table for Pt1000 sensors °C Ω 1116 1000 1039 1077 1155 1194 1232 1270 1308 1347 1385 B.3. - About the controller The Temperature Difference Controller LTDC facilitates effi cient use and function control of your solar or heating system. -
Page 8: Installation
Installation C.1. - Electrical connection Before working on the unit, switch off the power supply and secure it against being switched on again! Check for the absence of power! Electrical connections may only be made by a specialist and in compliance with the applicable regulations. -
Page 9: Wall Instalion
Installation C.2. - Wall instalion Install the controller only in dry areas and under the ambient conditions described under B.1 “Specifi cations”. Achtung 1. Unscrew cover screw completely C.2.1. 2. Carefully pull upper part of housing from lower part. 3. Set upper part of housing aside, being sure not to touch the electronics when doing so. - Page 10 Installation Select necessary C.2.3. program/hydraulics (s. „D.2. - Hydraulic variants / systems“ on page 13) Strip cables by 55mmmax., insert, fi t the strain relief devices, strip the last 8-9mm of the wires (Fig. „C.2.3.“) Open the terminals using a suitable screwdriver (Fig.
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Page 11: Installing The Temperature Sensors
Installation C.3. - Installing the temperature sensors The controller operates with Pt1000 temperature sensors which are accurate to the degree, thus ensuring optimal control of system functions. The temperature sensor cables must be routed separately from mains voltage cables, and must not, for example, be routed in the same cable duct! Caution Sensor cables for S1 and S5 can be extended to a maximum of 30m using a cable with a cross-section of at least 0.75mm². -
Page 12: Terminal Connection
Installation D.1. - Terminal connection diagram mains side max. 12V 100-240VAC Caution Danger CAN CAN VFS2 VFS1 PELV On the circuit board: LTDC Version V3+V4: VFS1 Grundfos Direct Sensor VFS2 Grundfos Direct Sensor CAN1 CAN Bus CAN2 CAN Bus Low voltage max. 12VAC/DC Mains voltage 100-240VAC 50-60Hz Terminal: Connection for:... -
Page 13: Hydraulic Variants / Systems
Installation Installation D.2. - Hydraulic variants / systems The following illustrations should be viewed only as schematic diagrams showing the respective hydraulic systems, and do not claim to be complete. The controller does not replace safety devices under any circumstances. Depending on the specifi c application, additional system components and safety components may be mandatory, such as check valves, non-return Caution valves, safety temperature liwithers, scalding protectors, etc., and must therefore be provided. - Page 14 Installation Installation Hydraulic variants / systems R1(V1) R1(V1) R1(V1) R2(V2) Solar with 2 collector surfaces and switching Solar with heat exchanger Solar with bypass valve R2(V2) R1(V1) R1(V1) R1(V1) R2(V2) Solar with 2 storages and 2 pumps Solar with 2 collector surfaces and 2 pumps Solar with 2 storages and switching valve R1(V1) R1(V1)
- Page 15 Installation Installation Hydraulic variants / systems R1(V1) R1(V1) R1(V1) R2(V2) R2(V2) R2(V2) Solar with cooling 3 (collector cooling) Solar with heat exchanger 2 zones Solar with heat exchanger 2 storages R1(V1) R1(V1) R1(V1) R2(V2) R2(V2) Solar with swimming pool, storage, heat 2x Solar Solar with storage and solid-fuel boiler and S4 exchanger and valve...
- Page 16 Installation Installation Hydraulic variants / systems R1(V1) R1(V1) R1(V1) R2(V2) R2(V2) Solar with 3 storages and 3 valves Solar with heat exchanger + Solar with heat exchanger and 2 zones storage R1(V1) R1(V1) R1(V1) R2(V2) R2(V2) R2(V2) Solar with 2 collector surfaces, heat exchanger Solar with 2 collector surfaces, heat exchanger Solar with heat exchanger and 2 storages storage, valve and 2 pumps...
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Page 17: Operation
Operation E.1. - Display and input The display (1), with its extensive text and graphics mode, is almost self-explanatory, allowing easy operation of the controller. To change from the overview to the settings menu, press the „esc“ key. The green status LED (2) lights up when a relay is active, the red LED blinks when an error occurs. -
Page 18: Commissioning Help
Operation E.2. - Commissioning help The fi rst time the controller is turned on and after the language and time are set, a query appears as to whether you want to parametrise the controller using the commissioning help or not. The commissioning help can also be terminated or called up again at any time in the special functions menu. -
Page 19: Menu Sequence And Menu Structure
Operation E.4. - Menu sequence and menu structure The graphics or overview mode appears when no key has been press for 2 minutes, or when the main menu is exited by pressing “esc“. The up and down buttons are used to scroll through the list of sensors and relays . -
Page 20: Measurement Values
Measurement values 1. - Measurement values The menu “1. Measurement values” serves to display the currently measured temperatures. The menu is closed by pressing “esc” or selecting “Exit measurement values”. Selecting “Overview” or “esc” exits the Info mode. If “--” appears on the display instead of the measurement value, then there may be a defective or incorrect temperature sensor. -
Page 21: Operating Modes
Operating modes 3. - Operating modes In menu “3. Operating modes” the controller can either be placed in automatic mode, switched off, or placed in a manual operating mode. The menu is closed by pressing “esc” or selecting “Exit operating modes”. 3.1. -
Page 22: Settings
Settings 4. - Settings The necessary basic settings required for the control function are made in menu “4. Settings”. This does not under any circumstances replace the safety facilities to be provided by the customer! Caution The menu is closed by pressing “esc” or selecting “Exit settings”. -
Page 23: T Solar S3
Settings 4.7. - ∆ T Solar S3 See „4.4. - ∆ T Solar S (X)“ 4.8. - Tmax S3 See „4.5. - Tmax S (X)“ 4.9. - Priority S4 See „4.4. - Priority S (X)“ 4.10. - ∆ T Solar S4 See „4.4. -
Page 24: Increase
Settings 4.17. - Increase Extension of the charging pause due to temperature increase in the collector For precise setting of the charging priorities for systems with multiple storage tanks, the necessary temperature increase of the collector at which the interruption of the charging into the lower-priority storage tank is extended by one minute is set here. -
Page 25: Recooling
Protective functions 5.3. - Recooling In hydraulic systems with solar when the recooling function is activated excess energy from the storage tank is fed back into the collector. This only takes place if the temperature in the storage tank is higher than the value “Recool Tsetpoint”... -
Page 26: Special Functions
Special functions 6. - Special functions Menu “7. Special functions” is used to set basic items and expanded functions. Other than the time all settings may only be made by a specialist. Caution The menu is closed by pressing “esc” or selecting “Exit special functions”. -
Page 27: Speed Control
Special functions 6.3. - Speed control R1 / R2 With speed control the LTDC makes it possible to vary the speed of connected pumps. This function should only be activated by a specialist. Depending on the pump and pump stage used, the minimum speed should not be set too low, because otherwise the pump or the system may be damaged. -
Page 28: Max. Speed
Special functions 6.3.4. - max. speed The maximum speed of the pump is specifi ed here. During the setting the pump runs at the specifi ed speed and the fl ow rate can be determined. Settings range: 70% to 100% / Default setting: 100% The indicated percentages are guide values that may vary to a greater or lesser extent depending on the system, pump and pump stage. -
Page 29: Solar Bypass
Special functions 6.6. - Relay functions The here explained additional functions can be assigned to unused relays. Every additional function can only be used once. Pay special attention to the technical data of the relays („B.1. - Specifications“ on page 6). The enumeration does not correspond to the controllers menu enumeration. -
Page 30: Thermostat
Special functions 6.6.2. - Thermostat Thermostat is used for time- and temperature controlled additional heating. Settings range: On, Off, Inverted Temperature values which are set too high can lead to scalding or damage to the system. Scalding protection must be provided by the customer! Danger! In Energy savings mode, different settings may apply, see e.g. - Page 31 Special functions 6.6.2.7. - Energy saving mode Energy saving mode switches the heating on when T eco is undershot und heats up to T eco + hysteresis when solar charge is active. Settings range: On, Off / Default setting: Off 6.6.2.8.
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Page 32: Cooling
Special functions 6.6.4. - Cooling This is used to cool down e.g. storages to a setpoint temperature by radiating heat. Settings range: S1-S8, VFS1-2, active Storage / Default setting: None 6.6.4.1. - Co T set Target temperature at thermostat sensor 1. Cooling is on above this temperature till Co T set + hysteresis is reached. -
Page 33: Return Flow Increase
Special functions 6.6.5. - Return flow increase This function is used to raise the temperature of e.g. the return flow by the storage. Settings range: On, Off 6.6.5.1. - RF Tmax Maximum temperature at the return flow sensor. If this temperature is exceeded, the relay is switched off. -
Page 34: Collector Field Cooling
Special functions 6.6.6. - Collector fi eld cooling This function controls an external coolig unit to cool down the collector. Settings range: On, Off 6.6.6.1. - Tmax fi eld If this temperature is exceeded at the reference sensor, the relay is switched on. Settings range: 100 °C to 180 °C / Default: 120 °C 6.6.6.2. -
Page 35: Anti Legionella
Special functions 6.6.7. - Anti Legionella This function is used to heat up the system during selected periods to eliminate legionella bacteria. Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none 6.6.7.1. - AL T set This temperature has to be detected for the time set in AL residence time at the AL sensors for a successful heat up. -
Page 36: Heat Transfer
Special functions 6.6.8. - Heat transfer This is used to transfer energy from one storage to another with a pump. Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none 6.6.8.1. - ∆ T Heat transfer Temperature difference for heat transfer function. When the temperature difference between HT Source and HT Drain reaches ∆T Heat Transfer On, the relay is switched on. -
Page 37: Difference
Special functions 6.6.9. - Difference The relay is switched on when a specific temperature difference (∆ T) is reached. Settings range: On, Off 6.6.9.1. - ∆ T difference Switch on - difference: When this temperature difference is reached, the relay is switched on. Settings range: 5-20°... -
Page 38: Solid Fuel Boiler
Special functions 6.6.10. - Solid fuel boiler The relay is used to control an additional solid fuel boiler. Settings range: On, Off 6.6.10.1. - SF Tmin Minimum temperature in the solid fuel boiler to switch on the pump. If the temperature at the boiler sensor is below this temperature, the relay is disabled. -
Page 39: Pressure Monitor
Special functions 6.6.12. - Pressure monitor The relay is switched on when the pressure drops below set minimum or exceeds the set maximum pressure. Settings range: On, Off / Default setting: Off 6.6.12.1. - Pressure monitor This menu is used to configure the system pressure montoring via direct sensor. As soon as the set limits are exceeded, the relay is switched on. -
Page 40: Parallel Operation R (X)
Special functions 6.6.14. - Parallel operation R (X) The relay is switched on at the same time as the set relay R1 or R2. Settings range: On, Off, Inverted 6.6.14.1. - Delay This menu determines how long after the start of R1 or R2 the parallel relay is switched on. Settings range: 0-120 seconds / Default setting: 30 seconds 6.6.14.2. -
Page 41: Heat Quantity
Special functions 6.9. - Heat quantity 6.9.1. - Constant fl ow When the heat meter mode „Flow rate“ is selected, an approximated heat quantity is calculated using the values the user has to enter. These are type of glycol/AntiFreeze, glycol portion and fl ow rate. These values are put into correlation with the temperature data of collector sensor and storage sensor. -
Page 42: Vfs (X)
Special functions 6.9.2. - VFS (X) Select a VFS sensor for fl ow measurement. 6.9.2.1. - VFS Typ The VFS type is set here. Settings range: Off; 1-12; 1-20; 2-40; 5-100; 10-200; 20-400 / Default setting: Off 6.9.2.2. - VFS - Position This setting determines the position of the VFS sensor. -
Page 43: Sensor Calibration
Special functions 6.11. - Sensor calibration Deviations in the temperature values displayed, for example due to cables which are to long or sensors which are not positioned optimally, can be compensated for manually here. The settings can be made for each individual sensor in steps of 0.8°C (temperature) resp. -
Page 44: Time And Date
<add user>. The list show you the last 5 users that tried to connect to the data logger. Select a user with OK to give it to grant access. To revoke access again choose one of the 4 users from your list and choose <remove user>. -
Page 45: Menu Lock
Menu lock, Service values, languages 7. - Menu lock Menu “7. Menu lock” can be used to secure the controller against unintentional changing of the set values. The menu is closed by pressing “esc” or selecting “Exit menu lock”. The menus listed below remain completely accessible despite the menu lock being activated, and can be used to make adjustments if necessary: Measurement values Statistics... -
Page 46: Malfunctions With Error Messages
Malfunctions Z.1. Malfunctions with error messages If the controller detects a malfunction, the red light fl ashes and the warning symbol also appears in the display. If the error is no longer present, the warning symbol changes to an info symbol and the red light no Led blinks + warning symbol) longer fl ashes. -
Page 47: Replacing The Fuse
Malfunctions Replacing the fuse Repairs and maintenance may only be performed by a specialist. Before working on the unit, switch off the power supply and secure it against being switched on again! Check for the absence of power! Danger Only use the supplied spare fuse or fuses of the same design with the following specifi cations: T2A / 250V . -
Page 48: Maintenance
Maintenance Maintenance In the course of the general annual maintenance of your heating system you should also have the functions of the controller checked by a specialist and have the settings optimised if necessary. Caution Performing maintenance: - Check the date and time (see „6.11. - Time and date“ on page 44) - Assess/check plausibility of analyses (see „2. -
Page 49: Appendix
Appendix Manual pump settings J. - Appendix Manual pump settings (see „6.2. - Pump menu“ on page 26) J.19.1. - Pump In this menu, preconfi gured profi les for various pumps can be selected. Please note that individual settings are still possible even when a profi le has been selected. J.19.2. - Page 50 Appendix Manual pump settings J.2.3a Example for pump settings Speed Max rpm Min rpm 0-5% Cable break detection Stop 5-20% Stop 25% Start Start 25-90% Area of control PWM-Signal (%) 20% 25% 100% PWM on >=25% PWM max <= 90% PWM off 5% - 20% J.2.3b Technical data...
- Page 51 Useful notes/tips and tricks Instead of setting the flow rate for the system using a flow rate limiter, it is better to adjust the flow rate using the switch on the pump and by means of the “max. speed” setting on the controller (see.
- Page 52 GRANT ENGINEERING (UK) LTD Hopton House, Hopton Industrial Estate, Devizes, Wiltshire. SN10 2EU Telephone: +44 (0)1380 736920 Fax: +44 (0)1380 736991 Email: info@grantuk.com Website: www.grantuk.com...
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