Wolf SM2 Installation And Operating Instructions Manual Download Page 41

3062438_0309

41

Sensor resistances

NTC

Sensor resistances

Solar sensor solar cylinder 1 (SFS 1), solar sensor solar cylinder 2 (SFS 2)

 

return sensor (RLF), bypass sensor (BPF), buffer sensor (PF)

PT1000

Sensor resistances

Solar sensor collector, collector array 1 (SFK 1)

 

Solar sensor collector, collector array 2 (SFK 2)

Temp. °C Resist. Ω Temp. °C Resist. Ω Temp. °C Resist. Ω

Temp. °C

Resist. Ω

-21

51393

14

8233

49

1870

84

552

-20

48487

15

7857

50

1800

85

535

-19

45762

16

7501

51

1733

86

519

-18

43207

17

7162

52

1669

87

503

-17

40810

18

6841

53

1608

88

487

-16

38560

19

6536

54

1549

89

472

-15

36447

20

6247

55

1493

90

458

-14

34463

21

5972

56

1438

91

444

-13

32599

22

5710

57

1387

92

431

-12

30846

23

5461

58

1337

93

418

-11

29198

24

5225

59

1289

94

406

-10

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

277

3

14027

38

2887

73

791

108

270

4

13344

39

2772

74

765

109

262

5

12697

40

2662

75

740

110

255

6

12086

41

2558

76

716

111

248

7

11508

42

2458

77

693

112

241

8

10961

43

2362

78

670

113

235

9

10442

44

2271

79

670

114

228

10

9952

45

2183

80

628

115

222

11

9487

46

2100

81

608

116

216

12

9046

47

2020

82

589

117

211

13

8629

48

1944

83

570

118

205

Temp. °C

Resist. Ω

Temp. °C

Resist. Ω

-30

882

60

1232

-20

921

70

1271

-10

960

80

1309

0

1000

90

1347

10

1039

100

1385

20

1077

120

1461

30

1116

140

1535

40

1155

160

1610

50

1194

200

1758

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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