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Wolf SM2, Installation And Operating Instructions Manual

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Wolf SM2 Installation And Operating Instructions Manual Download Page 26

3062438_0309

26

Electrical connection

System configuration 10: 

Dual-circuit system with two solar cylinders with cylinder 

priority control and bypass circuit

Mains

230 V 

AC

Diverter valve

3WUV1

Diverter valve

3WUV2

Solar circuit 

pump SKP1

DHW 

circulation 

pump ZKP 

(option)

Solar 

sensor 

cylinder 1

SFS1

Solar 

sensor 

cylinder 2

SFS2

Solar 

sensor

collector

SFK1

Bypass 

sensor BPF

Solar cylinder 1

Solar cylinder 2

Collector

Summary of Contents for SM2

Page 1: ...438 Subject to modifications 03 09 GB Installation and operating instructions SM2 solar module Solar boiler stop NEW WolfGmbH Postfach1380 84048Mainburg Tel 08751 74 0 Fax08751 741600 Internet www wolf heiztechnik de ...

Page 2: ...10 Medium selection 32 SOL11 P11 BUS feed 32 SOL12 P12 System configuration 33 SOL13 P13 Pump speed control 34 SOL14 P14 Start differential solar cylinder 2 34 SOL14 P14 Stop differential solar cylinder 2 34 SOL16 P16 Maximum cylinder temperature solar cylinder 2 35 SOL17 P17 Assigning solar cylinder 2 35 SOL18 P18 Burner blocking in case of return temperature raising 35 SOL14 P14 Start differenti...

Page 3: ...N OFF switch is in the ON position This results in a risk of electrocution that may lead to injury or death The main supply terminals are live even when the ON OFF switch is in the OFF position Note indicates technical instructions that you must observe to prevent material losses and boiler malfunctions Note Safety instructions Auxiliary functions Blocking cylinder reheating solar boiler stop 38 B...

Page 4: ...move remedy any faults and damage that may impact on safety Always ensure that cold water is mixed in with hot water when the DHW temperature is set above 60 C risk of scalding Maintenance Repair Regularly check the perfect function of all electrical equipment Only qualified personnel may remove faults or repair damage Only replace faulty components or equipment with original Wolf spare parts Alwa...

Page 5: ...in l min Yield This is the volume of heat generated by the solar thermal system It is calculated from the flow rate and the temperature differential between the collector and the return temperature This is a value that is added up over a certain period day or given as overall total The yield is quoted in Wh kWh or MWh Output The heat output represents the volume of heat generated during a certain ...

Page 6: ...t codes can be displayed with the programming modules BM or BM Solar The SM2 has an eBUS interface and can therefore be integrated into the Wolf control system Appliance description Abbreviations SFK1 Solar sensor collector collector array 1 SFK2 Solar sensor collector collector array 2 SFS1 Solar sensor solar cylinder 1 SFS2 Solar sensor solar cylinder 2 RLF Return sensor BPF Bypass sensor PF Buf...

Page 7: ...US together with mains power cables Fixing holes A programming module BM or BM Solar can be clicked into the solar module As an alternative the programming module can also be used as a remote control unit in conjunction with a wall mounting base No separate programming module is required if the solar module is integrated into a Wolf control system that already contains a programming module BM For ...

Page 8: ...lf control system In that case the solar module will be controlled from the programming module BM with address 0 An optional programming module BM Solar can also be linked to the SM2 In that case the system can be controlled from the BM with address 0 and from the BM Solar Operating modes The SM2 solar module can be operated in different modes Factory setting If the solar cylinder is assigned to a...

Page 9: ...g module The BM Solar can be clicked into the SM2 solar module or can be used as a remote control on a wall mounting base accessory c SM2 stand alone without programming module The solar module is operated without programming module Operation and selecting values is then not possible The status of outputs and faults can be identified by the LEDs in the enclosure front ...

Page 10: ...s with cylinder priority control 2 1 5 Dual circuit system with two collector arrays and two solar circuit pumps 1 2 6 Dual circuit system with two collector arrays and one solar circuit pump 1 2 7 Dual circuit system with two collector arrays two solar cylinders with cylinder priority control and two solar circuit pumps 2 2 8 Dual circuit system with two collector arrays two solar cylinders with ...

Page 11: ...re differential between the collector and the cylinder with priority exceeds the selected value for parallel cylinder operation the lower ranking cylinder will be heated in parallel to the cylinder with priority This utilises the excess energy that cannot be transferred to the cylinder with priority to heat the lower ranking cylinder System configuration 3 Dual circuit system with two solar cylind...

Page 12: ...ylinder heating both solar circuit pumps will start System configuration 5 Dual circuit system with two collector arrays and two solar circuit pumps for layout see page 21 The solar module regulates the zone heating inside the cylinders using temperature differential control For this the cylinder temperatures are compared at two different points top and bottom with the collector temperature Subjec...

Page 13: ...er falls by 5 K below the selected value System configuration 9 Single circuit system with bypass circuit for layout see page 25 This functions like system configuration 7 whereby heating is achieved via collector array 1 or 2 via motorised valves that are opened accordingly When the cylinder is heated the solar circuit pump is always switched as well Note When installing motorised valves V1 and V...

Page 14: ...on Configuration 8 11 Three way diverter valve 1 The output is not assigned with configuration 1 Output A3 Various functions can be assigned to output A4 a to switch a de stratification pump to circulate water inside a cylinder as part of pasteurisation b asthermostatfunction Theoutputwillbeswitchediftheselected cylinder temperature is exceeded This output can be used for example to enable cylinde...

Page 15: ...ation 9 10 11 Bypass sensor NTC The input is not assigned with configuration 1 Input E3 When using the solar module SM2 as part of a Wolf control system the individual components are linked together via eBUS eBUS Electrical connection Recommended cables leads and their minimum cross sections H005VV 3x1 0mm Power cable H05VV 3x0 75mm Solar circuit pump three way diverter valve motorised valve DHW c...

Page 16: ...cal connection Collector Solar cylinder System configuration 1 Single circuit system Solar circuit pump SKP1 Mains 230 V AC Solar sensor DHW cylinder SFS1 Solar sensor collector SFK1 Flow rate generator DFG Return sensor RLF ...

Page 17: ...ature raising for central heating backup Solar circuit pump SKP1 DHW circulation pump ZKP option Mains 230 V AC Diverter valve 3WUV Solar sensor DHW cylinder SFS1 Solar sensor collector SFK1 Buffer sensor PF Return sensor RLF Collector Solar cylinder Heating return to the boiler Return heating circuits ...

Page 18: ...cylinders in parallel operation Mains 230 V AC Solar circuit pump SKP2 Solar circuit pump SKP1 DHW circulation pump ZKP option Flow rate generator DFG Solar sensor cylinder 1 SFS1 Solar sensor collector SFK1 Return sensor RLF Solar sensor cylinder 2 SFS2 Collector Solar cylinder 1 Solar cylinder 2 ...

Page 19: ...linders with cylinder priority control Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Flow rate generator DFG Solar sensor collector SFK1 Solar sensor cylinder 2 SFS2 Solar sensor cylinder 1 SFS1 Return sensor RLF Diverter valve 3WUV Solar cylinder 1 Solar cylinder 2 Collector ...

Page 20: ...lar coils inside the cylinder Electrical connection Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Flow rate generator DFG Solar sensor collector SFK1 Solar sensor cylinder 2 SFS2 Solar sensor cylinder 1 SFS1 Return sensor RLF Diverter valve 3WUV Collector DHW cylinder ...

Page 21: ...two solar circuit pumps Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Solar circuit pump SKP2 Flow rate generator DFG Solar sensor collector array 1 SFK1 Solar sensor collector array 2 SFK2 Solar sensor Cylinder 1 SFS1 Return sensor RLF Solar cylinder Collector array 1 Collector array 2 ...

Page 22: ...ump Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Solar sensor cylinder 1 SFS1 Return sensor RLF Flow rate generator DFG Solar sensor collector collector array 1 SFK1 Solar sensor collector collector array 2 SFK2 Motorised valve el V1 Motorised valve el V2 Solar cylinder Collector array 1 Collector array 2 ...

Page 23: ... control and two solar circuit pumps Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Diverter valve 3WUV Solar circuit pump SKP2 Solar sensor cylinder 1 SFS1 Solar sensor cylinder 2 SFS2 Solar sensor collector array 1 SFK1 Solar sensor collector array 2 SFK2 Solar cylinder 1 Collector array 1 Collector array 2 Solar cylinder 2 ...

Page 24: ...iority control and one solar circuit pump Diverter valve 3WUV Mains 230 V AC Solar circuit pump SKP1 Solar sensor collector array 1 SFK1 Solar sensor collector array 2 SFK2 Solar sensor cylinder 1 SFS1 Solar sensor cylinder 2 SFS2 Motorised valve el V1 Motorised valve el V2 Solar cylinder 1 Solar cylinder 2 Collector array 1 Collector array 2 ...

Page 25: ...nfiguration 9 Single circuit system bypass circuit Diverter valve 3WUV Mains 230 V AC Solar circuit pump SKP1 DHW circulation pump ZKP option Solar sensor cylinder 1 SFS1 Solar sensor collector SFK1 Bypass sensor BPF Solar cylinder Collector array 1 ...

Page 26: ...ith cylinder priority control and bypass circuit Mains 230 V AC Diverter valve 3WUV1 Diverter valve 3WUV2 Solar circuit pump SKP1 DHW circulation pump ZKP option Solar sensor cylinder 1 SFS1 Solar sensor cylinder 2 SFS2 Solar sensor collector SFK1 Bypass sensor BPF Solar cylinder 1 Solar cylinder 2 Collector ...

Page 27: ...rs with parallel cylinder operation and bypass circuit Solar cylinder 1 Collector Solar cylinder 2 Mains 230 V AC Solar circuit pump SKP1 Diverter valve 3WUV1 Motorised valve el V1 Motorised valve el V2 Solar sensor cylinder 1 SFS1 Solar sensor cylinder 2 SFS2 Solar sensor collector SFK1 Bypass sensor BPF ...

Page 28: ...lse generator Flow rate solar circuit 0l pulse 0l min 99 5l pulse 99 5l min 1l pulse 1l min SOL 10 P 10 Medium selection 0 1 SOL 11 p 11 BUS feed 0 OFF 2 Auto SOL 12 p 12 Configuration 1 11 1 SOL 13 p 13 Speed control solar circuit pump 0 NO 1 YES 0 SOL 14 p 14 Start differential solar cylinder 2 8 K 30 K 10 K SOL 15 p 15 Stop differential solar cylinder 2 3 K 20 K 5 K SOL 16 p 16 Max temperature ...

Page 29: ...is compared with the bypass temperature Bypass temperature Cylinder temperature solar cylinder 1 Start differential solar cylinder 1 Cylinder heating The start differential is always held at least 5 K above the stop differential start differential stop differential 5 K even if a lower value has been entered to safeguard a reliable operation SOL01 P01 Start differential Solar cylinder 1 Cylinder he...

Page 30: ...en effective again SOL05 P05 Maximum collector temperature The water inside solar cylinder 1 is heated up to the maximum cylinder temperature Cylinder heating is terminated if Cylinder temperature solar cylinder 1 Maximum cylinder temperature solar cylinder 1 SOL06 P06 Maximum cylinder temperature Solar cylinder 1 This parameter is relevant when using the solar module as part of a Wolf control sys...

Page 31: ...n also be operated from the assigned programming modules Wolf boiler Cylinder at the BM0 BM 2 Option Solar cylinder 2 at BM 2 BM Solar BM 1 MM 2 SM2 MM 1 BM 0 Solar cylinder 1 at the BM1 System configurations 1 3 4 5 6 enable the capture of the amount of heat yielded by the solar thermal system solar yield For this parameter 08 enables the choice whether yield is determined by means of the actual ...

Page 32: ...aptured flow rate To determine the yield enter the calculated flow rate or the pulse value of the flow rate generator used here The entry is subject to the settings of parameter 08 SOL08 P08 1 Enter the pulse value of the flow rate generator used in l pulse flow rate per pulse As factory setting a value for the heat meter set of 1 l min has been pre selected SOL08 P08 2 Enter the determined flow r...

Page 33: ...4 Dual circuit system with two solar cylinders with cylinder priority control 5 Dual circuit system with two collector arrays and two solar circuit pumps 6 Dual circuit system with two collector arrays and one solar circuit pump 7 Dual circuit system with two collector arrays two solar cylinders with cylinder priority control and two solar circuit pumps 8 Dual circuit system with two collector arr...

Page 34: ...r SOL01 P01 start differential solar cylinder 1 Collector temperature Cylinder temperature solar cylinder 2 Start differential solar cylinder 2 Cylinder heating Systems with bypass circuit Bypass temperature Cylinder temperature solar cylinder 2 Start differential solar cylinder 2 Cylinder heating The start differential is always held at least 5 K above the stop differential start differential sto...

Page 35: ...temperature raising is terminated if Buffer temperature Return temperature Stop differential return temperature raising SOL20 P20 Stop differential Return temperature raising In systems with two solar cylinders one cylinder is defined as having priority the other as lower ranking cylinder Theassignmentascylinderwithpriorityisdeterminedinparameter 21 SOL21 P21 0 Cylinder with priority cylinder 1 fa...

Page 36: ...etween bypass and cylinder heating Initially the solar circuit is operated in bypass mode Only when the temperature captured by the bypass sensor is adequate for cylinder heating will the system change over to cylinder heating Bypassoperationwillcommencewhenthetemperaturedifferential between collector temperature and solar cylinder exceeds the selected value Collector temperature Cylinder temperat...

Page 37: ...again by 5 K SOL28 P28 Frost protection function To enable the correct collector temperature to be captured when tube collectors are idle the medium flows through the collector array for a short time In parameter SOL27 P27 the following settings are available for selection SOL27 P27 0 Tube collector function disabled factory setting SOL27 P27 1 Tube collector function via temperature increase SOL2...

Page 38: ...cylinder temperature by the boiler if within the last 24 hours solar heating was not successfully completed A successful solar heating operation can be scanned at the associated BM and BM Solar Auxiliary functions Blocking pasteurisation This function is only effective if the solar module is operated as part of a Wolf control system The pasteurisation function via the boiler will be blocked if the...

Page 39: ...he hours run and yield values Loading the standard values reset The maximum cylinder and collector temperature achieved during a day 0 00 h to 24 00 h are captured These are saved daily at 24 00 h and can be scanned at the BM or BM Solar Maximum cylinder and collector temperature over 24 h The values for hours run daily and total yield can be reset via the BM and BM Solar by holding down the rotar...

Page 40: ...ensor and lead replace if required FC79 Solar sensor collector array 1 faulty Faulty sensor or lead Check sensor and lead replace if required FC81 EEPROM fault Parameter value outside valid range Reset to standard values Briefly interrupt the power supply and check settings Changing a fuse If the SM2 shows no function at all and there is no LED display although power is ON check the appliance fuse...

Page 41: ...0 27648 25 5000 60 1244 95 393 9 26189 26 4786 61 1200 96 382 8 24816 27 4582 62 1158 97 371 7 23523 28 4388 63 1117 98 360 6 22305 29 4204 64 1078 99 349 5 21157 30 4028 65 1041 100 339 4 20075 31 3860 66 1005 101 330 3 19054 32 3701 67 971 102 320 2 18091 33 3549 68 938 103 311 1 17183 34 3403 69 906 104 302 0 16325 35 3265 70 876 105 294 1 15515 36 3133 71 846 106 285 2 14750 37 3007 72 818 107...

Page 42: ...umption electronics 8 VA Max load output 1 A Protection according to DIN 60529 IP 30 Safety class I I Permissible ambient temperature in operation 0 to 50 C Permissible ambient temperature during storage 30 to 60 C Data memory EEPROM non volatile Fuse protection Fine wire fuse 5x20 6 3A M ...

Page 43: ...tion pump 39 Differential temperature bypass operation 36 DIP switch settings 8 E eBUS 15 F Fault codes 40 Flow rate 32 Frost protection function 37 Function output A4 36 H Heat amount capture 31 Hours run 39 I Input connection 14 Input E1 14 Input E2 15 Input E3 15 L Loading the standard values 39 M Maximum cylinder and collector temperature over 24 h 39 Maximum cylinder temperature solar cylinde...

Page 44: ...linder 2 34 Start temperature thermostat function 37 Stop differential return temperature raising 35 Stop differential solar cylinder 2 34 Stop differential thermostat function 37 System configuration 33 System configuration 1 11 16 System configuration 2 11 17 System configuration 3 11 18 System configuration 4 11 19 System configuration 4 for BSP SL 12 20 System configuration 5 12 21 System conf...

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