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Summary of Contents for Mastervolt SCM20 PWM
- Page 1 SOLAR CHARGE MASTER SCM20 PWM / SCM40 PWM PWM CONTROLLED PV BATTERY CHARGER USER’S AND INSTALLATION MANUAL NL, DE, FR, ES https://www.mastervolt.com/products/solar-charge-controllers 10000014327/02...
- Page 2 EN / SCM20 & SCM40 PWM User’s Manual OVERVIEW MENU button OK button LCD-display Casing Heatsink PV input Battery connection Load output Temperature sensor jack 10. Identification label (rear side) Figure 1: Overview...
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Page 3: Table Of Contents
EN / SCM20 & SCM40 PWM User’s Manual TABLE OF CONTENTS: GENERAL INFORMATION .............................. 4 Use of this manual .............................. 4 Validity of this manual ............................4 Use of pictograms ............................... 4 Identification label ............................... 4 Liability ................................4 OPERATION ..................................5 General ................................ -
Page 4: General Information
Important Safety Instructions. Copyright © 2018 Mastervolt. All rights reserved. Reproduction, transfer, distribution or storage of part or all Part no: 131824000 Type:... -
Page 5: Operation
EN / SCM20 & SCM40 PWM User’s Manual 2 OPERATION GENERAL THREE STEP CHARGE ALGORITHM The Mastervolt Solar ChargeMaster is a fully automatic See Figure 3. Battery charging is accomplished in three battery charger which converts power from photovoltaic automatic stages: BULK, ABSORPTION and FLOAT. -
Page 6: Lcd Display
EN / SCM20 & SCM40 PWM User’s Manual LCD DISPLAY MONITORING There are three monitoring modes: Use the MENU and OK button (Figure 1, items 1 Automatic Scrolling Mode: the LCD-display is and 2) to operate the Solar Chargemaster automatically scrolling through a selection of screens. -
Page 7: Configuration
EN / SCM20 & SCM40 PWM User’s Manual CONFIGURATION Screen Meaning (#) Battery type. See section 2.6 to change CAUTION! the Battery type settings Invalid settings of the Solar ChargeMaster can cause serious damage to your batteries and/or the connected load! Adjustments of settings may (!) Voltage at the Load be undertaken by authorised personnel only. -
Page 8: Low Voltage Disconnect Function
EN / SCM20 & SCM40 PWM User’s Manual 2.6.1 Low voltage disconnect function 2.6.2 Battery type There are two ways to protect the battery from too deep discharges: Indication Battery type Static: the Load output switches off if the battery voltage drops below the Disconnect threshold voltage. -
Page 9: Installation
Model Minimum DC Cable cross section ENVIRONMENT <2m / 6ft length 2 - 4m / 6 - 12ft SCM20 PWM 6mm² / 8AWG 10mm² / 6AWG Obey the following stipulations during installation: SCM40 PWM 10mm² / 6AWG 16mm²... -
Page 10: Specifications Of The Pv Array
Load connected to the battery The Solar ChargeMaster is appropriate for nominal 12V If the maximum load will exceed 20 Amps (SCM20 PWM), and 24V solar systems. The table shows the number of 40 Amps (SCM40 PWM) or if the battery will also be cells required for the nominal voltages. - Page 11 EN / SCM20 & SCM40 PWM User’s Manual PV-array Load External DC-switch Load fuse (see section 3.4) Battery fuse Battery temperature sensor BATTERY Figure 5: Load connected to the Load output on the Solar Chargemaster PV-array Load External DC-switch (see section 3.4) Load fuse Battery fuse BATTERY...
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Page 12: Connection
EN / SCM20 & SCM40 PWM User’s Manual CONNECTION 3.7.2 Installation step by step Mark the position of the mounting spots. Then fix the 3.7.1 General casing to the wall. WARNING Fit boot lace ferrules to all DC-cables. Let installation work be done by a licensed electrician. -
Page 13: Commissioning After Installation
PV array is sufficient. Always use the original packing for transportation. Contact your local Mastervolt Service Centre for further details if If the Solar Chargemaster does not switch on, you want to return the apparatus for repair. -
Page 14: Trouble Shooting
EN / SCM20 & SCM40 PWM User’s Manual 4 TROUBLE SHOOTING If you cannot solve a problem with the aid of this chapter, contact your local Mastervolt Service Centre. See www.mastervolt.com/technical-support. Make sure you have the following information present if you have to contact your local Mastervolt Service Center to solve a problem: Article and serial number;... -
Page 15: Technical Data
EN / SCM20 & SCM40 PWM User’s Manual 5 TECHNICAL DATA SPECIFICATIONS Model SCM20 PWM SCM40 PWM Article no.: 131822000 131824000 Nominal battery voltage (U 12V / 24 V (Auto recognition) 12V / 24 V (Auto recognition) PV-INPUT = 12V... -
Page 16: Dimensions
AGM, gel and Li-ion batteries, DC distribution kits and many more. See our website www.mastervolt.com for an extensive overview of all our products MASTERVOLT, Snijdersbergweg 93, 1105 AN Amsterdam, The Netherlands, T: +31 (0)20 342 21 00, F: +31 (0)20 697 10 06, www.mastervolt.com...
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