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STIEBEL ELTRON SOM 8 PLUS Installation Manual Download Page 84

stIeBel eltron GmbH & Co. KG

Dr.-stiebel-str. | 37603 Holzminden

tel. 05531 702-0 | Fax 05531 702-480

[email protected]

www.stiebel-eltron.de

tecalor GmbH

Fürstenberger str. 77 | 37603 Holzminden

tel. 05531 99068-700 | Fax 05531 99068-712

[email protected]

www.tecalor.de

Irrtum und technische Änderungen vorbehalten | subject to errors and technical changes! | sous réserve d‘erreurs et de modifications techniques! · onder voorbehoud 

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295931-36390-8667 SOM 8 plus_en.indb   84

20.10.2011   13:15:01

Summary of Contents for SOM 8 PLUS

Page 1: ...Installation Solar Controller Som 8 plus 295931 36390 8667 SOM 8 plus_en indb 1 20 10 2011 13 14 19 ...

Page 2: ...on on how to avoid the danger described Note Strong electromagnetic fields can impair the function of the controller Î Î Make sure the controller as well as the system are not exposed to strong elec tromagnetic fields Safety advice Please pay attention to the following safety advice in order to avoid danger and damage to people and property Instructions Attention must be paid to the valid local st...

Page 3: ... 30 7 1 Solar 30 7 2 Arrangement 30 7 3 Heating 30 7 4 Messages 30 7 5 Meas Balance values 31 7 6 Service 31 8 Solar 31 8 1 Basic solar settings 31 8 2 Solar optional functions 34 8 3 Solar expert menu 47 9 Arrangement 47 9 1 Optional functions 47 10 Heating 59 10 1 Demands 60 10 2 Heating circuits 60 10 3 Optional functions 64 11 HQM 67 12 Basic settings 69 13 SD card 69 14 Manual mode 71 15 User...

Page 4: ...solar control unit 1 x accessory bag 3 x screw and wall plug 13 x strain relief and screw Additionally enclosed in the full kit 2 x FKP6 temperature sensor 4 x FRP6 temperature sensor Technical data SOM 8 plus 230933 Height mm 200 Width mm 253 Depth mm 43 IP Rating IP20 Rated voltage V 100 240 Phases 1 N PE Frequency Hz 50 60 Total switching current A 6 3 Power consumption W 1 Relay capacity A 1 1...

Page 5: ...ectrical wiring in accordance with the terminal allocation see chap 2 2 Î Î Put the cover on the housing Î Î Attach with the fastening screw 1 1 Optional functions Solar Bypass CS Bypass External heat exchanger Tube collector Target temperature Antifreeze Afterheating suppression Parallel relay Cooling mode Drainback Twin pump Heat dump Flow rate monitoring Arrangement Parallel relay Mixer Boiler ...

Page 6: ...ways be the last step of the instal lation The controller is equipped with 14 relays in total to which loads such as pumps valves etc can be con nected Relays 1 13 are semiconductor relays designed for pump speed control Conductor R1 R13 Neutral conductor N common terminal block Protective earth conductor common terminal block Relay 14 is a potential free changeover relay R14 A normally open conta...

Page 7: ...ficiency pumps In the In Outputs menu relays can be allocated to the PWM outputs Connect the FlowRotor to the input marked Flow Rotor Connect the analog Grundfos Direct Sensors to the inputs GDSA1 and GDSA2 Connect the digital Grundfos Direct Sensors to the GDSD1 and GDSD2 inputs The controller is supplied with power via a mains cable The power supply of the device must be 100 240 V 50 60Hz The ma...

Page 8: ...con nected these have to be registered in the In Out puts menu For further information about the registration of mo dules and sensors see page 72 3 Activating solar optional functions The basic solar system has been adjusted during commissioning Now optional functions can be se lected activated and adjusted Free relays can be allocated to optional functions which require a relay The controller alw...

Page 9: ...ation goes out Press any key to reactivate the display illumination Î Î In order to scroll through a menu or to adjust a value press either buttons 1 and 3 or but tons and 4 Î Î To open a submenu or to confirm a value press button 5 Î Î To enter the status menu press button 6 un confirmed adjustments will not be saved Î Î To switch one menu level upwards press button 7 unconfirmed adjustments will...

Page 10: ...ange depending on the adjustment of the respective other value In this case the active area of the slide bar is shor tened the inactive area is indicated as a dotted line The indication of the minimum and maximum valu es will adapt to the reduction active area inactive area If only one item of several can be selected they will be indicated with radio buttons When one item has been selected the rad...

Page 11: ...r Store loading Error relay Heating Demands Heating circuits Optional functions Parallel relay Relay Reference relay Overrun Delay Inverted The menu items and adjustment values selec table are variable depending on adjustments already made The figure only shows an exem plary excerpt of the complete menu in order to visualise the menu structure Basic settings Language Auto DST Date Time Temp unit V...

Page 12: ...ing the system Commissioning menu The commissioning menu consists of the channels described in the following In order to make an ad justment push button 5 Adjust the value by pres sing buttons 4 and 2 then bush button 5 to confirm The next channel will appear on the display 5 5 adjustment mode button navigation changing a value confirming a value next parameter appears auto matically 2 4 1 Languag...

Page 13: ...uiry is confirmed the adjust ments will be saved Î Î In order to confirm the security enquiry press button 5 Î Î In order to reenter the commissioning menu channels press button 7 If the security enquiry has been confirmed the con troller is ready for operation and should enable an optimum system operation All adjustments made during commissioning can if necessary be changed later on in the basic ...

Page 14: ... 1 1 collector field 1 store System 2 east west collectors 1 store System 3 1 collector field 2 stores System 4 east west collectors 2 stores System 5 1 collector field 3 stores System 6 east west collectors 3 stores System 7 1 collector field 4 stores System 8 east west collectors 4 stores System 9 1 collector field 5 stores System Variant The hydraulic variant refers to the different actuators t...

Page 15: ...Opt function Sensor Collector 1 Store base Free Free Free Free Free Free Free Free System 2 variant 1 S1 S6 R1 R2 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Pump coll 1 Pump coll 2 Opt function Opt function Opt function Opt function Opt function Opt function Opt function Opt function Sensor Collector 1 Store base Free Free Free Collector 2 Free Free Free Free 295931 36390 8667 SOM 8 ...

Page 16: ...base Free Free Free Collector 2 Free Free Free Free System 3 variant 1 S1 R2 R1 S2 S4 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump 3PV store 2 Optional function Optional function Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector Store 1 base Free Store 2 base Free Free Free Free Free Free 295931 36390 86...

Page 17: ...ion Sensor Collector Store 1 base Free Store 2 base Free Free Free Free Free Free System 3 variant 3 R1 R2 R3 S2 S4 S1 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump 2PV store 1 2PV store 2 Optional function Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector Store 1 base Free Store 2 base Free Free Free Fre...

Page 18: ...tor 1 Store 1 base Free Store 2 base Free Collector 2 Free Free Free Free System 4 variant 2 R1 R2 S1 S6 R3 R4 S4 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Pump coll 1 Pump coll 2 2PV store 1 2PV store 2 Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Free Collector 2 Free F...

Page 19: ...Collector 1 Store 1 base Free Store 2 base Free Collector 2 Free Free Free Free System 4 variant 4 R1 R2 S2 S4 R4 S1 S6 R3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay 2PV coll 1 2PV coll 1 Solar pump 3PV store 1 Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Free Collector 2 Fre...

Page 20: ...ase Free Store 2 base Store 3 base Free Free Free Free Free System 5 variant 2 S1 R1 R2 R3 S5 S4 S2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump store 1 Solar pump store 2 Solar pump store 3 Optional function Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base ...

Page 21: ...ore 2 base Store 3 base Free Free Free Free Free S1 S2 S4 S5 R1 R3 R2 System 6 variant 1 R1 R2 S6 S1 S2 S4 S5 R5 R4 R3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Pump coll 1 Pump coll 2 2PV store 1 2PV store 2 2PV store 3 Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Fr...

Page 22: ...lector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Free Free Free Free System 6 variant 3 S2 S4 S5 S1 S6 R1 R2 R3 R4 R5 R6 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay 2PV coll 1 2PV coll 2 Solar pump 2PV store 1 2PV store 2 2PV store 3 Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Colle...

Page 23: ...Store 1 base Free Store 2 base Store 3 base Collector 2 Free Free Free Free System 6 variant 5 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay 2PV coll 1 2PV coll 2 Solar pump 3PV Store 1 3PV Store 2 Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Free Free Free Free S1 S2 S4 ...

Page 24: ...1 base Free Store 2 base Store 3 base Store 4 base Free Free Free Free System 7 variant 2 S2 S4 S5 S1 S6 R1 R2 R3 R4 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump 3PV store 1 3PV store 2 3PV store 3 Optional function Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Store 4 bas...

Page 25: ...tore 2 base Store 3 base Store 4 base Free Free Free Free S1 S2 S4 S5 S6 R1 R2 R3 R4 System 8 variant 1 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Pump coll 1 Pump coll 2 2PV store 1 2PV store 2 2PV store 3 2PV store 4 Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Store 4 base Free Free ...

Page 26: ...Store 4 base Free Free Free S1 S2 S4 S5 S7 R3 R2 S6 R1 R4 R5 System 8 variant 3 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump store 1 Solar pump store 2 Solar pump store 3 Solar pump store 4 2PV coll 1 2PV coll 2 Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Store 4 base Free Fre...

Page 27: ...r 2 Store 4 base Free Free Free S1 S2 S4 S5 S7 R5 R6 R4 R2 S6 R1 R7 R3 System 8 variant 5 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay 2PV coll 1 2PV coll 2 Solar pump 3PV store 1 3PV store 2 3PV store 3 Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Collector 2 Store 4 base Free Free Free S1 S2 S4 S5 ...

Page 28: ...4 base Store 5 base Free Free Free S1 S2 S4 S5 S6 S7 R1 R3 R4 R5 R6 R2 System 9 variant 2 Relay sensor allocation 1 2 3 4 5 6 7 8 9 10 14 Relay Solar pump 3PV store 1 3PV store 2 3PV store 3 3PV store 4 Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Store 4 base Store 5 base Free Free Free S1 ...

Page 29: ...re 3 Solar pump store 4 Solar pump store 5 Optional function Optional function Optional function Optional function Optional function Sensor Collector 1 Store 1 base Free Store 2 base Store 3 base Store 4 base Store 5 base Free Free Free S1 S2 S4 S5 S6 S7 R1 R2 R3 R4 R5 295931 36390 8667 SOM 8 plus_en indb 29 20 10 2011 13 14 32 ...

Page 30: ...us of the selected optional functions is indicated 7 3 Heating In the Status Heating menu the status of the de mands and heating circuits activated as well as of the selected optional functions is indicated 7 4 Messages In the Status Messages menu error and warning messages which have not been acknowledged are in dicated During normal operation the message Eve rything OK is indicated A line break ...

Page 31: ...a chart of the current day and one of the day before 7 6 Service In the Status Service menu each sensor and relay is indicated with the component or function it has been allocated to For free sensors and relays Free is indicated 8 Solar In this menu all adjustments for the solar part of the arrangement can be made The Solar menu consists of the following submenus Basic settings Optional functions ...

Page 32: ... 2 collector fields and up to 5 solar stores with 2 collector fields only up to 4 solar stores Collector 1 2 In systems with 2 collector fields 2 seperate menu items Collector 1 and Collector 2 are displayed instead of Collector For each collector field a collector minimum limita tion and a collector emergency shutdown tempera ture can be adjusted Adjustment channel Description Adjustment range se...

Page 33: ... and the store sequence control Store 1 2 3 4 5 Solar Basic settings Store 1 2 3 4 5 Adjustment channel Description Adjustment range selection Factory setting DTon Switch on temperature difference 1 0 20 0 K 2 0 40 0 Ra 6 0 K 12 0 Ra DToff Switch off temperature difference 0 5 19 5 K 1 0 39 0 Ra 4 0 K 8 0 Ra DTset Set temperature 1 5 30 0 K 1 5 60 0 Ra 10 0 K 20 0 Ra Stset Store set temperature 4 ...

Page 34: ...is active and the system switches to load the priority store the parameter Load break also acts as a stabilisation timer during which the switch off condition is ignored while the system operation stabilises Loading logic Solar Basic settings Loading logic 8 2 Solar optional functions In this menu additional functions can be selected and adjusted for the solar part of the arrangement By selecting ...

Page 35: ...ubmenu the menu items Funct and Delete function are available With the menu item Funct an optional function already selected can be temporarily deactivated or re activated respectively All adjustments remain stored the allocated relays remain occupied and cannot be allocated to another function If the menu item Delete function is confirmed by pressing button 5 a security enquiry appears The settin...

Page 36: ...In verted is additionally available When the Inverted option is activated and the bypass circuit becomes activated the relay switches on When solar loading starts the relay switches off again see figure Variant valve Variant pump Exemplary schematics for the bypass variants Adjustment channel Description Adjustment range selection Factory setting Collector Collector field system dependent system d...

Page 37: ...h on value for the delay time the relay is switched off When the Stmax off option is activated collector circuit activation is suppressed as long as all store temperatures are above their respective maximum temperatures CS bypass Solar Opt functions Add new function CS bypass Adjustmentchannel Description Adjustment range selection Factory setting Collector Collector field system dependent system ...

Page 38: ...nd only the corresponding relay is energised Multi store systems If the tube collector function is activated the speed of the solar pump will decrease to the minimum speed during the loading break time The solar loa ding of the subordinate store will continue In 2 collector systems during the loading break time the collector field which has been active befo re the loading break time remains active...

Page 39: ...ions Add new function Target temperature As soon as the temperature at the collector is 4 C 40 F the antifreeze function operates the loading circuit between the collector and the 1st store in or der to protect the heat transfer fluid in the loading circuit against freezing or coagulation If the collector temperature exceeds 6 C 44 F this function is switched off Heat will be extracted from the st...

Page 40: ...H suppress Parallel relay With this function e g a valve can be controlled in parallel to a solar pump via a separate relay Switch on condition for the solar parallel relay func tion is that one or more of the selected stores is being loaded If at least one of the selected stores is being loaded the parallel relay is energised The parallel relay function operates regardless whe ther the store is s...

Page 41: ...made for each collector field The control logic regards collector cooling operation as solar loading The adjusted values for delay mini mum runtime etc remain valid In addition to the cooling mode store cooling is available Store cooling When the store cooling function is activated the controller aims to cool down the store during the night in order to prepare it for solar loading on the following...

Page 42: ...0 Ra Toff Switch off temperature difference 0 5 29 5 K 1 0 59 0 Ra 15 0 K 30 0 Ra Holiday Holiday function Yes No No Activation Activation mode Manual Timer Timer On Holiday function switch on date Dates up to 31 12 2099 Current date Off Holiday function switch off date Dates up to 31 12 2099 Current date Input Holiday function switch input system dependent system dependent Stmax 1 5 Maximum store...

Page 43: ...controls the primary circuit pump The heat exchanger is protected by a non adjustab le antifreeze function Note Because of the special hydraulics the target temperature option will not work properly in systems with 2 collector fields Adjustment channel Description Adjustment range selection Factory setting Relay Relay selection system dependent system dependent Min speed Minimum speed 30 100 30 St...

Page 44: ... filling the solar system The corre sponding relay is switched on at 100 speed for the duration of the filling time A short time Delay time after the system has been emptied the Drain impulse option will switch on the solar pump for an adjustable Duration Thus a hydrostatic head will form in the flow pipe When it falls back into the holding tank water pockets re maining in the collector will be su...

Page 45: ...the Delay time has passed The active relay is considered as defec tive and will be blocked until the error message has been acknowledged The second relay will be activa ted instead The twin pump function will pause until the error message has been acknowledged When the error message is acknowledged the con troller runs a test during which it will energise the relay and again monitor the flow rate ...

Page 46: ... functions Add new function Heat dump Relay Flow rate monitoring The flow rate monitoring function can be used to de tect malfunctions that impede the flow rate and to switch off the corresponding relay This will prevent system damage e g through a dry run of the pump If the flow rate monitoring function is activated an error message will appear when no flow rate is detected at the allocated flowm...

Page 47: ...nsor Return sensor option Yes No No Sensor Return sensor selection system dependent system dependent Solar Expert 9 Arrangement In this menu all adjustments for the non solar part of the arrangement can be made A range of optional functions can be selected and adjusted 9 1 Optional functions In this menu additional functions can be selected and adjusted for the arrangement By selecting Add new fun...

Page 48: ...c tivated An overview about which sensor has been allocated to which component and which relay has been allocated towhichfunctionisgivenintheStatus Servicemenu At the end of each optional function submenu the menu items Funct and Delete function are availa ble With the menu item Funct an optional function already selected can be temporarily deactivated or re activated respectively All adjustments ...

Page 49: ...the actual flow temperature to the desired mixer target tem perature TMixer The mixer is opened or closed in pulses depending on this deviation The pulses are determined by the adjustable Interval The pause is determined by the difference between the actual value and the set value The mixer runtime can either be adjusted in the channel Runtime or automatically adapted with the Offset function When...

Page 50: ...ch time frames for the function can be adjusted First of all an overview of the current adjustment is displayed For each day of the week there is an over view display The display can be switched back and forth between the different days by pressing but tons or 4 In order to adjust the timer press button 5 First the individual days of the week or all days of the week can be selected The last menu i...

Page 51: ...ctiv Deactivated Deactivated Arrangement Opt functions Add new function Boiler loading Error relay The error relay function can be used to operate a relay in the case of an error Thus e g a signalling device can be connected to signal errors If the error relay function is activated the allocated relay will be energised when a sensor fault occurs If the flow rate monitoring function is activated th...

Page 52: ...l Description Adjustment range selection Factory setting Relay Relay selection system dependent system dependent Sen So Heat source sensor selection system dependent system dependent Sen Sink Heat sink sensor selection system dependent system dependent Ton Switch on temperature difference 1 0 30 0 K 2 0 60 0 Ra 6 0 K 12 0 Ra Toff Switch off temperature difference 0 5 29 5 K 1 0 59 0 Ra 4 0 K 8 0 R...

Page 53: ...ustment range selection Factory setting Relay Relay selection system dependent system dependent Sen Boiler Solid fuel boiler sensor selection system dependent system dependent Sen Store Store sensor selection system dependent system dependent Ton Switch on temperature difference 1 0 30 0 K 2 0 60 0 Ra 6 0 K 12 0 Ra Toff Switch off temperature difference 0 5 29 5 K 1 0 59 0 Ra 4 0 K 8 0 Ra Tset Set...

Page 54: ... is indicated in which time frames for the function can be adjusted First of all an overview of the current adjustment is displayed For each day of the week there is an over view display The display can be switched back and forth between the different days by pressing but tons or 4 In order to adjust the timer press button 5 First the individual days of the week or all days of the week can be sele...

Page 55: ...tinue Timer Time frame adjustment 00 00 23 45 Sensor FS08 sensor input selection system dependent system dependent Delay Demand delay time 0 2s 1s Runtime Runtime 01 00 15 00 min 03 00 min Break time Break time 10 60 min 30 min Funct Activation Deactivation Activ Deactivated Deactivated Arrangement Opt functions Add new function Circulation The time frames can be adjusted in steps of 15 minu tes T...

Page 56: ...ment chan nel Description Adjustment range selection Factory setting Relay Relay selection system dependent system dependent Sen Return Return sensor selection system dependent system dependent Sen HS Heat source sensor selection system dependent system dependent Ton Switch on temperature difference 2 0 30 0 K 4 0 60 0 Ra 6 0 K 12 0 Ra Toff Switch off temperature difference 1 0 29 0 K 2 0 58 0 Ra ...

Page 57: ...e function block is switched on when the adjusted switch on temperature Th x on is reached It is switched off when the adjusted switch off temperature Th x off is reached The switching conditions of all other activated functions of the function block have to be fulfilled as well Allocate the reference sensor in the Sensor channel Adjust the maximum temperature limitation with Th x off Th x on and ...

Page 58: ...ff Switch off temperature Thermostat b 40 250 C 45 C Sensor Sensor thermostat b system dependent system dependent ΔT function Differential function Yes No No ΔTon Switch on temperature difference 1 0 50 0 K 5 0 K ΔToff Switch off temperature difference 0 5 49 5 K 3 0 K ΔTset Set temperature difference 3 100 K 10 K Min speed Minimum speed 30 100 30 Sen Source Heat source sensor system dependent sys...

Page 59: ...nge selection Factory setting Relay Relay selection system dependent system dependent Irrad Switch on irradiation 50 1000 W m 200 W m Duration Switch on duration 0 30 min 2 min Inverted Inverted switching option Yes No No Funct Activation Deactivation Activ Deactivated Deactivated Arrangement Opt functions Add new function Irradiation switch 10 Heating In this menu all adjustments for the heating ...

Page 60: ...gistered with the controller Only registered modules are available in the heating cir cuit selection Extension modules can be registered in the In Out puts Modules menu see page 72 If an internal or external heating circuit has been selected a new menu opens In this menu all sensors and relays re quired for the heating circuit can be allocated and all adjustments can be made The controller calcula...

Page 61: ...ch day of the week there is an over view display The display can be switched back and forth between the different days by pressing but tons or 4 In order to adjust the timer press button 5 First the individual days of the week or all days of the week can be selected The last menu item after the list of days is Continue If Continue is selected the Edit timer menu opens in which the time frames can ...

Page 62: ... C Daytime on Daytime on 00 00 23 45 00 00 Daytime Off Daytime Off 00 00 23 45 00 00 Tnight Summer temperature night 0 40 C 14 C Ext switch External switch sensor input selec tion system dependent system dependent Remote control Remote control option Yes No No Sen Rem control Remotecontrolsensorinputselection system dependent system dependent Timer Timer option Yes No No Mode Timer mode Day Night ...

Page 63: ...perature 10 50 C 20 C Runtime Antifreeze runtime 15 240 min 30 min DHW priority DHW priority option Yes No No Funct Activation Deactivation Activ Deactivated Deactivated Chimney sweeper function The chimney sweeper function can be used for ena bling a quick access to measurement conditions without menu operation for the chimney sweeper If the chimney sweeper function is activated the chimney sweep...

Page 64: ...d in corresponding submenus When a function has been selected and adjusted it will appear in the Opt functions above the menu item Add new function This allows an easy overview of functions already activated An overview about which sensor has been allocated to which component and which relay has been allo cated to which function is given in the Status Ser vice menu At the end of each optional func...

Page 65: ...xible control logic the exact time of thermal disinfection is not predictable In order to set a fixed time for the disinfection to be run the st arting delay must be used If the starting delay option Starting time is activa ted a starting time for the thermal disinfection with starting delay can be adjusted The activation of the afterheating is then delayed until that starting time after the monit...

Page 66: ... selected another sensor can be allocated in the channel Sensor 2 The switch on or the switch off conditions respectively then have to be fulfilled at both sensors in order for the relay to be energised When the Timer option is activated a timer is indi cated in which time frames for the function can be adjusted First of all an overview of the current adjustment is displayed For each day of the we...

Page 67: ...heating 11 HQM In the HQM menu up to seven internal heat quan tity measurements can be activated and adjusted By selecting the menu item New HQM a new heat quantity measurement can be activated A menu opens in which all adjustments required for the heat quantity measurement can be made If the Flow rate sensor option is activated the im pulse input or if available a Grundfos Direct Sensor can be se...

Page 68: ...n at the bottom of the menu The heat quantity measurement deleted will disap pear from the list and become available for selection in the New HQM menu again The numeration of the other activated heat quantity measurements will not change Adjustment channel Description Adjustment range selection Factory setting Flow sen Flow sensor selection system dependent system depen dent Return sen Return sens...

Page 69: ...59 Temp Unit Temperature unit C F C Vol unit Unit of volume Gallons Litre Litre Press unit Unit of pressure psi bar bar Energy unit Energy unit Wh BTU Wh Factory setting back to factory settings Yes No No Basic settings The controller is equipped with an SD card slot for SD memory cards The following functions can be carried out with an SD card Logging measurement and balance values The values can...

Page 70: ...To store the controller adjustments on an SD card select the menu item Save adjustments While the adjustments are being stored first Please wait then Done will be indicated on the display The controller adjustments are stored as a SET file on the SD card Loading controller adjustments Î Î To load controller adjustments from an SD card select the menu item Load adjustments The File selection window...

Page 71: ... operating mode can be selected for each indivi dual relay too The following options are available Off Relay is switched off manual mode Min Relay active with minimum speed manual mode Max Relay active at 100 speed manual mode Auto Relay is in automatic mode Note Always adjust the operating mode back to Auto when the control and service work is completed Otherwise normal operation will not be poss...

Page 72: ...puts In the In Outputs menu external modules can be registered sensor offsets can be adjusted and relay outputs can be configured 16 1 Modules In this menu up to 5 external modules can be regis tered All modules connected and acknowledged by the controller are available Î Î To register a module select the corresponding menu item by pressing button 5 The checkbox indicates the selection If a module...

Page 73: ...the CS sensor Note When Grundfos Direct SensorsTM are used the sensor ground common terminal block must be connected to PE see chap 2 2 Adjustment channel Description Adjustment range selection Factory setting S1 S12 Sensor input selection Type Selecting the sensor type Switch KTY Pt500 RTA11 M Pt1000 None Pt1000 Offset Sensor offset 15 0 15 0 K 0 0 K Imp 1 3 Impulse input selection Type Selecting...

Page 74: ...n order to reduce the number of switching pro cesses for high efficiency pumps the controller is equipped with a relay overrun function that auto matically comes into effect when the speed control signal is not issued by the relay itself The correspon ding relay will then remain switched on for an hour after the switch off conditions are fulfilled R1 S2 S1 Example of the electrical connection of a...

Page 75: ...E e g manufacturer Grundfos 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 0 10 20 30 40 50 60 70 80 90 100 OEM STANDARD PROFILE OEM SOLAR PM Profile PWM_IN PWM_IN 0 t T Max Speed Std PWM PWM F e g manufacturer Laing 75 80 No PWM RPM Max rpm Min rpm duty 50 Fin Début Note If PWM pumps are used the lowest adjust ment value of the minimum speed cannot be lower than 20 If a Laing pump ...

Page 76: ...r Is it disconnected no yes Controller has been in standby everything o k Short circuit or line break Disconnected temperature sensors can be checked with an ohmmeter Please check the resistance values corresponding with the table Sensor fault The error code Sensor fault is displayed instead of a temperature on the sensor display channel C F Ω Pt500 Ω Pt1000 Ω KTY C F Ω Pt500 Ω Pt1000 Ω KTY 10 14 ...

Page 77: ...fective no yes Heat exchanger calcified yes Check replace it Decalcify it no Heat exchanger blocked yes no Clean it Heat exchanger too small yes Change Ton and Toff correspondingly Switch on temperature diffe rence Ton too large no yes Vent the system increase the system pressure to a static pri mary pressure of at least plus 0 5 bar 7 25 psi if necessary continue to increase pressure switch the p...

Page 78: ...ective replace it no yes Stores cool down at night Collector circuit pump runs during the night no yes Check controller Check the non return valves in the flow and the return pipe for functional efficiency Sufficient store insulation yes no Increase insulation Insulation close enough to the store yes no Replace insulation or increase it Are the store connections insulated yes no Insulate the conne...

Page 79: ...o yes no a The gravitation circulation in the circulation line is too strong insert a stronger valve in the non return valve or an electrical 2 port valve behind the circulation pump the 2 port valve is open when the pump is activated otherwise it is closed connect pump and 2 port valve electrically in pa rallel activate the circulation again Deactivate pump speed control Clean or replace it Furth...

Page 80: ... mixtu res After a specific volume has passed the V40 reed switch sends an impulse to the calorimeter The heat quantity used is calculated by the calorimeter using these impulses and the measured temperature diffe rence with the help of pre defined parameters gly col type concentration heat capacity etc 295931 36390 8667 SOM 8 plus_en indb 80 20 10 2011 13 15 01 ...

Page 81: ...ng demands 60 Heating period thermal disinfection 65 Heat quantity measurement 67 I Irradiation switch 59 M Mains connection 7 Manual mode 71 Meas values 31 Message relay 51 Minimum collector limitation 32 Mixer optional arrangement function 49 Modules registration of 72 O Operating hours counter 31 Operating mode relays 71 P Parallel relay optional arrangement function 48 Parallel relay solar opt...

Page 82: ...82 Notes 295931 36390 8667 SOM 8 plus_en indb 82 20 10 2011 13 15 01 ...

Page 83: ...83 Notes 295931 36390 8667 SOM 8 plus_en indb 83 20 10 2011 13 15 01 ...

Page 84: ...e d erreurs et de modifications techniques Onder voorbehoud van vergissingen en technische wijzigingen Salvo error o modificación técnica Rätt till misstag och tekniska ändringar förbehålls Excepto erro ou alteração técnica Zastrzeżone zmiany techniczne i ewentualne błędy Omyly a technické změny jsou vyhrazeny A muszaki változtatások és tévedések jogát fenntartjuk ВозмоҖность неточностейи техничес...

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