Morningstar S-20L-24V Installation And Operation Manual Download Page 24

MORNINGSTAR CORPORATION

7.0  TECHNICAL SPECIFICATIONS

47

46

Mechanical

Power terminals wire size (max.) 

   

Solid 

 

 

 

 

#10 AWG / 5 mm2

   

Multistrand 

 

 

 

#10 AWG / 5 mm2

   

Fine strand 

 

 

 

#10 AWG / 5 mm2

   

Terminal Diameter   

 

0.210 in / 5.4 mm

  Power terminals torque (max.) 

 

10.6 in-lb / 1.2 Nm

  Dimensions   

 

 

          See inside front cover

  Weight (unpacked)   

 

 

8 oz / 0.23 kg

Certifications

ISA 12.12.01 Nonincendive Electrical Equipment for Use in 

Class I, Division 2 Hazardous (Classified) Locations, Groups 

A,B,C,D. 2007/04/12.
CSA C22.2#213 Non-Incendive Electrical Equipment for Use

in Class I, Division 2 Hazardous Locations. 1987/01/03.

EMC Directives

• Immunity:  EN61000-6-2:1999

• Emissions:  EN55022:1994 with A1 and A3 Class B1

• Safety:  EN60335-1 and EN60335-2-29 (battery chargers)

Charts

Fuse Chart

Wire Gauge (AWG)

Max. Fuse Size*

14

15 Amps

12

20 Amps

10

30 Amps

* per 2011 NEC NFPA 70, Article 240. For copper wire only.
* Refer to the wire charts on page 47 for appropriate wire size.

UL1741 INVERTERS, CONVERTERS, AND 
CONTROLLERS AND INTERCONNECTION SYSTEM 
EQUIPMENT FOR USE WITH DISTRIBUTED ENERGY 
SOURCES, FIRST EDITION, REVISION THROUGH AND 
INCLUDING NOV 7, 2005 
CSA C22.2 No. 107.1-01

3094762

RoHS

Compliant

2002/95/EC

12 VOLT NOMINAL WIRE CHART

Amps

One-way Wire Distance (feet)

Wire Gauge (AWG)

One-way Wire Distance (meters)

Wire Gauge (mm

2

)

14

12

10

8

6

2.0

3.0

5.0

8.0

13.0

2

70

112

180

287

456

21

32

53

85

139

4

35

56

90

143

228

10

16

26

42

69

6

24

38

60

96

152

7

10

17

28

46

8

18

28

45

72

114

5

8

13

21

34

10

14

23

36

57

91

4

6

10

17

27

12

12

19

30

48

76

3

5

8

14

23

14

10

16

26

41

65

3

4

7

12

19

16

9

14

23

36

57

3

4

7

10

17

18

8

13

20

32

51

2

3

6

 9

15

20

7

11

18

29

46

2

3

5

 8

13

3% Voltage drop, Annealed copper wire at 20

°

C

24 Volt Nominal Wire Chart

Amps

One-way Wire Distance (feet)

Wire Gauge (AWG)

One-way Wire Distance (meters)

Wire Gauge (mm

2

)

14

12

10

8

6

2.0

3.0

5.0

8.0

13.0

2

140

224

360

574

912

42

64

107

171

278

4

70

112

180

286

456

21

32

53

85

139

6

48

76

120

191

304

14

21

35

57

92

8

36

56

90

144

228

10

16

26

42

69

10

29

45

72

115

182

  8

12

21

34

55

12

24

38

60

96

152

  7

10

17

28

46

14

20

32

51

82

130

  6

  9

15

24

39

16

18

28

45

72

114

  5  

  8

13

21

34

18

16

25

40

64

101

  4

  7

11

19

30

20

14

23

36

57

91

 4

 6

10

17

27

3% Voltage drop, Annealed copper wire at 20

°

C

7.0

Summary of Contents for S-20L-24V

Page 1: ...nual www morningstarcorp com MORNINGSTAR World s Leading Solar Controllers Inverters SUNSAVER PV SYSTEM CONTROLLERS SunSaver Models Included in this Manual SS 6 12V SS 6L 12V SS 10 12V SS 10L 12V SS 1...

Page 2: ...ermine the highest expected array Voc as defined by the lowest expected ambient temperature for the system location CONTENTS 1 0 Safety Information 4 2 0 General Information 10 2 1 Overview 10 2 2 Fea...

Page 3: ...urces of power to the controller before installing or adjusting the SunSaver There are no fuses or disconnects inside the SunSaver Do not attempt to repair Install external fuses breakers as required...

Page 4: ...battery bank Mount the controller at least 3 ft 1 m away from vented batteries unless separated by a barrier or located in a separate compartment Installation in Hazardous Locations THIS EQUIPMENT IS...

Page 5: ...de batteries du m me type fabricant et ge Ne fumez pas proximit du groupe de batteries Les connexions d alimentation doivent rester serr es pour viter une surchauffe excessive d une connexion desserr...

Page 6: ...ove Jumper Wire for Flooded Battery 12 V BATTERY STATUS TEMP SENSOR CHARGING STATUS See Operator s Manual Nominal Rating 12 Volts dc Max Input 30 V Solar 6 5A Battery 6 5A Load 10 0A indoor use only U...

Page 7: ...modifications not expressly approved by Morningstar for compliance could void the user s authority to operate the equipment Note This equipment has been tested and found to comply with the limits for...

Page 8: ...ufficient ventilation to release the gases Do not install in locations where water can enter the controller Loose power connections and or corroded wires may result in resistive connections that melt...

Page 9: ...Slow Switching charging PWM charging is the default regulation method and is the method recommended for most systems Slow Switching regulation should only be selected if noise or interference exists i...

Page 10: ...Les vapeurs des batteries sont inflammables et corroderont et d tru iront les circuits du SunSaver PRUDENCE Endommagement de l quipement Assurez une ventilation suffisante en cas d installation du Su...

Page 11: ...during installation When disconnecting solar input must be removed first before disconnecting battery See caution below NOTE The SunSaver is a negative ground controller Any one negative conductor ca...

Page 12: ...se only Use 75 C Copper Conductors Only CONFORMS TO ISA12 12 01 CERTIFIED TO CAN CSASTD C22 2 NO 213 1992 Class I Division 2 GroupsA B C D Hazardous Loc Temp Code T5 RoHS MORNINGSTAR S S 20L UN AVER S...

Page 13: ...olts to power the SunSaver 12V or 24V models Connect the battery to the SunSaver Refer to the wire gauge chart on page 43 of this manual for correct wire size Use 75 C copper wire If required the nega...

Page 14: ...bles du syst me WARNING Risk of Damage Connecting the solar array to the battery terminal will permanently damage the SunSaver AVERTISSEMENT Risque d endommagement La connexion du r seau solaire sur l...

Page 15: ...ad 20 0A Max Ambient 65 C indoor use only Use 75 C Copper Conductors Only CONFORMS TO ISA12 12 01 CERTIFIED TO CAN CSASTD C22 2 NO 213 1992 Class I Division 2 GroupsA B C D Hazardous Loc Temp Code T5...

Page 16: ...f the SunSaver does not power up or a flashing LED error sequence exists refer to Section 5 0 Troubleshooting 4 0 OPERATION 4 1 LED Indications STATUS LED The Status LED indicates charging status and...

Page 17: ...On Battery Missing Load Off Table 3 Battery SOC LED definitions NOTE An error condition exists if multiple Battery SOC LEDs are flashing See Section 5 1 Error Indications for more information 4 2 Bat...

Page 18: ...pecial charging function to recover batteries that have discharged too low If the terminal voltage of the battery is greater than 1 Volt the SunSaver will detect the battery and provide approximately...

Page 19: ...mage the load Always re check load connections before applying power The SunSaver will go straight to LVD on start up if the battery voltage is at or below 11 7V 23 4V 4 0 4 4 Protections Solar Overlo...

Page 20: ...atsink temperature has exceeded 85 C and the solar and load is disconnected The SunSaver will automatically reconnect when the heatsink cools to 80 C High Voltage Disconnect Battery Status LED R G seq...

Page 21: ...Yellow LED is on then Red and Green LED are on 5 2 Common Problems Problem No LED indications Solution With a multi meter check the voltage at the Battery terminals on the SunSaver and the Solar term...

Page 22: ...NOT LIMITED TO LOST PROFITS DOWN TIME GOODWILL OR DAMAGE TO EQUIPMENT OR PROPERTY 7 0 TECHNICAL SPECIFICATIONS 6 0 WARRANTY and CLAIM PROCEDURE WARRANTY CLAIM PROCEDURE 1 Before proceeding please refe...

Page 23: ...e Only SunSavers with load control display the Flashing Red LED indication Battery Set points 25 C Sealed 12 V or 24 V Flooded 12 V or 24 V Absorption Voltage 14 1 V or 28 2 V 14 4 V or 28 8 V Absorpt...

Page 24: ...E WITH DISTRIBUTED ENERGY SOURCES FIRST EDITION REVISION THROUGH AND INCLUDING NOV 7 2005 CSA C22 2 No 107 1 01 3094762 RoHS Compliant 2002 95 EC 12 VOLT NOMINAL WIRE CHART Amps One way Wire Distance...

Page 25: ...g Solar Controllers Inverters www morningstarcorp com Specifications subject to change without notice Designed in the U S A Assembled in Taiwan 2017 Morningstar Corporation MS 001272 v3 3 THIS PAGE IS...

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