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Contents

Contents
Contents ................................................................................................... 57
1
Introduction .................................................................................... 59
1.1
Foreword ................................................................................... 59
1.2
Service contact details ............................................................... 59
2
Safety Information .......................................................................... 60
2.1
Explanation of safety alert signal words .................................... 60
2.2
General safety instructions ........................................................ 60
2.3
Safety instructions for methanol ............................................... 62
2.4
Correct use ................................................................................ 63
2.5
Certification ............................................................................... 63
2.6
Warranty .................................................................................... 65
2.7
Waste disposal and transportation ............................................ 66
3
Operation ........................................................................................ 67
3.1
Quick overview ........................................................................... 67
3.2
Commissioning .......................................................................... 68
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.3
Shutdown and dismantling ........................................................ 76
3.3.1
3.3.2
3.3.3
3.3.4
3.4
Operating modes........................................................................ 78
3.4.1
Tools ................................................................................. 68
Connections ...................................................................... 68
Using the EFOY COMFORT fuel cell .................................. 68
Connecting the fuel cartridge ........................................... 69
Connecting the charge line and data line ......................... 70
Operation via the operating panel .................................... 70
Operation using the EFOY App .......................................... 75
Switching off the fuel cell ................................................. 76
Removing the EFOY fuel cartridge ................................... 76
Detaching the charge line and data line ........................... 76
Automatic ......................................................................... 79
Page 57

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  • Page 1: Table Of Contents

    Contents Contents Contents ....................57 Introduction ..................59 Foreword ................... 59 Service contact details ............... 59 Safety Information ................60 Explanation of safety alert signal words ........60 General safety instructions ............60 Safety instructions for methanol ..........62 Correct use ................63 Certification ................
  • Page 2 Introduction 3.4.2 Manual On ................ 79 3.4.3 Manual Off ................ 80 3.4.4 External control ............... 81 Battery protection ..............82 Automatic antifreeze feature ............. 83 Navigating in the operating panel menu ........84 3.7.1 Info screen ............... 84 3.7.2 Main menu ................ 85 3.7.3 Expert menu ..............
  • Page 3: Introduction

    Introduction Foreword Thank you for choosing an EFOY COMFORT fuel cell from SFC Energy AG. We hope you enjoy using your new energy supply system! Before you use the fuel cell for the first time, please read this user man- ual and follow the installation instructions.
  • Page 4: Safety Information

    Safety Information Safety Information Explanation of safety alert signal words DANGER! Indicates an imminently hazardous situation, which, if not avoided, poses a high risk of death or serious physical injury. WARNING! Indicates a potentially hazardous situation, which, if not avoided, poses a medium risk of death or serious physical injury.
  • Page 5 Safety Information EFOY COMFORT fuel cells and EFOY fuel cartridges must not be stored at temperatures over 50°C/122°F and must not be operated at tempera- tures over 40°C/104°F. Protect from heat and direct sunlight. Operate the EFOY COMFORT fuel cell only as specified in the installation instructions, and in a well-ventilated space.
  • Page 6: Safety Instructions For Methanol

    Safety Information Safety instructions for methanol INFO: There is no risk of you coming into contact with methanol provided that you handle the device and fuel cartridges in accordance with the instruc- tions. DANGER! Leakage of methanol fumes poses a fire hazard! Do not smoke when re- placing the EFOY fuel cartridge and do not expose it to other ignition sources! Protect EFOY fuel cartridges from temperatures exceeding 50°C/122°F.
  • Page 7: Correct Use

    Use only original EFOY fuel cartridges! Correct use The EFOY devices produced by SFC Energy AG are automatic charging de- vices for 12 V lead accumulators (batteries), or SFC qualified Lithium Iron Phosphate batteries (LiFePO4). Please note the following: •...
  • Page 8 Modifications (FCC 15.21) Changes or modifications to this equipment not expressly approved by SFC Energy may void the user’s authority to operate this equipment. Industry Canada Compliance Statement This digital apparatus does not exceed the Class B limits for radio noise for digital apparatus set out in the interference–causing equipment stand-...
  • Page 9: Warranty

    The contact de- tails are provided in chapter 1.2 "Service contact details" on page 59. The EFOY certificate of warranty is available directly from SFC Energy AG which manufactures the EFOY COMFORT fuel cells.
  • Page 10: Waste Disposal And Transportation

    Please note the instructions provided by SFC Energy AG when transport- ing the device. For information on this, refer to our website or contact the EFOY hotline.
  • Page 11: Operation

    Operation Operation Quick overview The following options are available: • The mounting plates and cabling are already installed in your vehicle. You are connecting the EFOY COMFORT fuel cell for the first time. Please proceed to chapter 3.2 "Commissioning" on page 68. •...
  • Page 12: Commissioning

    Operation Commissioning 3.2.1 Tools • Crosstip screwdriver 3.2.2 Connections Connection for charge line Connection for operating panel Connection for data interface Connection for EFOY fuel cartridge Connection for exhaust hose and fill opening for service fluid Cooling inlet (reverse) Warm-air outlet and connection for off-heat duct 3.2.3 Using the EFOY COMFORT fuel cell...
  • Page 13: Connecting The Fuel Cartridge

    Operation Thread the belt along the groove pro- vided. Tighten the belt so that the device is standing securely on the mounting plate. Fasten the end of the belt using the hook and loop fastener. 3.2.4 Connecting the fuel cartridge For information on installing the EFOY fuel cartridge, see chapter 4.1.2 "Inserting the fuel cartridge"...
  • Page 14: Connecting The Charge Line And Data Line

    Operation 3.2.6 Connecting the charge line and data line Insert the plug on the data line (1) into the connection socket marked "Remote Control" on the EFOY COMFORT fuel cell. Insert the plug on the loading cable (2) into the socket connection pro- vided on the EFOY COMFORT fuel cell.
  • Page 15 Operation Scroll back one level in the menu. [] Scroll up one line in the display. [] Scroll down one line in the display. [] Open the selected menu or confirm a selection. [ok] Red LED lights up to indicate a fault. Symbols on the display The display shows different symbols depending on the operating status and operating mode of the EFOY COMFORT fuel cell:...
  • Page 16 Operation 3.2.7.2 Initial commissioning Switch on After connecting the EFOY COMFORT fuel cell for the first time, the intro screen appears on the dis- play. • Press [ok]. After a short wait, the language selection appears. Selecting a language Press [][] to select the required lan- guage.
  • Page 17 Operation 3.2.7.3 Info screen During subsequent operation of the device, an info screen appears after switching the device on. • Press to access the operating mode. • Press [menu] to access the main menu. • Press []to access the system information. The first line indicates the operating mode se- lected, e.g., "Automatic"...
  • Page 18 Operation Operating status Start phase The EFOY COMFORT fuel cell undergoes a start phase lasting up to 15 minutes. At the end of this phase, it has reached its full rated output. Charging The EFOY COMFORT fuel cell charges the battery. mode Standby As long as the battery is charged sufficiently, the EFOY...
  • Page 19: Operation Using The Efoy App

    Operation 3.2.8 Operation using the EFOY App Turn your smart phone or tablet into a remote control for your EFOY COMFORT with the EFOY app myEFOY function. Get all important data re- garding your fuel cell, fuel cartridge and battery all on one screen. Interesting statistics such as daily consumption or the average daily oper- ating hours of the fuel cell are displayed clearly in the app.
  • Page 20: Shutdown And Dismantling

    Operation Shutdown and dismantling 3.3.1 Switching off the fuel cell Switch off the EFOY COMFORT fuel cell using the operating panel. This is described in chapter 3.4.3 "Manual Off" on page 80. 3.3.2 Removing the EFOY fuel cartridge This is described in chapter 4.1.1 "Removing the fuel cartridge" on page 96.
  • Page 21: Detaching The Exhaust Hose And Off-Heat Tube

    Operation 3.3.4 Detaching the exhaust hose and off-heat tube Loosen the screws (1) on the off-heat bow. Remove the off-heat pipe (2) or off- heat bow (3). Disconnect the exhaust hose (4). Pro- tect it from impurities and seal the exhaust outlet with the protective cap.
  • Page 22: Operating Modes

    Operation Operating modes The EFOY COMFORT fuel cell can be operated in one of the following modes: • Automatic • Manual On • Manual Off • External control on There are two ways of accessing the "Operating mode" menu: • Direct access •...
  • Page 23: Automatic

    Operation 3.4.1 Automatic Automatic mode starts as soon as you connect the device to the battery. The device monitors the battery voltage independently. The EFOY COMFORT fuel cell switches on automatically if the lead acid battery voltage drops below 12.3 V. The battery is then charged until the cut-off threshold of 14.2 V is reached.
  • Page 24: Manual Off

    Operation You can switch the device on manually if the voltage of the lead-acid bat- tery is below 13.2 V. After the start phase, the device is in "Charging mode". The device operates independently of the switch-on threshold, and charges the battery until the cut-off threshold is reached. After the charging cycle, the EFOY COMFORT will be in Autoamitc mode.
  • Page 25: External Control

    Operation INFO: The battery protection and automatic antifreeze functions remain active after the device is switched off. 3.4.4 External control You can control the EFOY COMFORT fuel cell externally using a switching contact, e.g. a solar charger. To do this, the "External control" operating mode must be enabled.
  • Page 26: Battery Protection

    Operation Switching off external control Press on the operating panel, or select "Operating mode" in the main menu. The op- erating mode selection appears. Select the "External control off" operating mode. Press [ok] to confirm your selection. No symbol is displayed at the bottom right of the display.
  • Page 27: Automatic Antifreeze Feature

    Operation INFO: Please check your system if the fuel cell repeatedly switches back to battery protection. Either the battery has already been damaged or too much energy has been discharged. INFO: Battery protection only works if a full EFOY fuel cartridge is connected. Automatic antifreeze feature The device has an intelligent automatic antifreeze feature.
  • Page 28: Navigating In The Operating Panel Menu

    Operation INFO: Never leave the EFOY COMFORT fuel cell in your vehicle/boat during the winter without connecting it to a fuel cartridge and battery. CAUTION! Charging Lithium (LiFePO4) batteries is not always possible at tempera- tures below 0 ° C. The instructions from the battery manufacturer must be observed.
  • Page 29: Main Menu

    Operation System information Press [][] to display the lower screen area. The second screen displays information about the duration of charging cycles in dif- ferent modes. Aut (1): Average charge duration in automatic mode. Man (2): Average charge duration in manual mode.
  • Page 30 Operation Fuel cartridge • Press [][] to select the connected fuel cartridge. • Press [ok] to confirm your selection. INFO: If you have not connected a full fuel cartridge, disable the fuel gauge by selecting "Disable fuel gauge" in the menu. System information For a detailed description, see "System information"...
  • Page 31: Expert Menu

    Operation 3.7.3 Expert menu • Press and hold [ok] and [menu] at the same time for two seconds. The expert menu ap- pears. • Press [][] to select a submenu. • Press [ok] to access the selected submenu. • Press [] to return to the expert menu. You can select the following menu options in the expert menu: Battery type...
  • Page 32 Operation 3.7.3.1 Battery type You can select the following batteries in the "Battery type" menu: Lead-acid Lead Gel LiFePO4 (Lithium iron phosphate) EFOY GO! • Press [ok] to access to select a battery type. By choosing the LiFePO4 or EFOY GO! battery type, an icon will be shown on the Infoscreen CAUTION! Incorrectly set battery type may damage the battery.
  • Page 33 Operation 3.7.3.2 Battery parameters You can select the following options in the "Battery parameters" menu: Switch-on delay Switch-on voltage Switch-off voltage Switch-off current Absorption time Max. charge time Min. charge time Altitude up to Factory defaults This option allows you to undo all the battery parameter settings.
  • Page 34 Operation the EFOY COMFORT switches off as soon as the battery reaches a voltage of 14.2 V and the charging current drops below 2.0 A. Permitted value ranges Factory Min. Max. User-de- for battery parameters defaults fined (Lead-acid, AGM, Gel) value: Switch-on delay 60 s...
  • Page 35 Operation Min. charge time 30 min 30 min 180 min Altitude up to 1500 m 2000 m Permitted value ranges Factory Min. Max. User-de- for battery parameters defaults fined EFOY GO! value: Switch-on delay 60 s 300 s Switch-on voltage 12.4 V 12.0 V 13.4 V...
  • Page 36 Operation Switch-on delay The EFOY COMFORT fuel cell does not start imme- diately if the switch-on voltage only drops below the set threshold level temporarily. The device only starts automatically if the switch-on voltage is still below this threshold level after the switch- on delay.
  • Page 37 Operation Switch-off voltage If the battery voltage reaches the set level, the EFOY COMFORT fuel cell switches off, provided that the value set for the "Maintenance charge" param- eter has also been reached. Please note your battery's end-of-charging voltage. Note the charging recommendations provided by the battery manufacturer.
  • Page 38 Operation Maximum charge time If the switch-off criteria, voltage and current, have not been satisfied, the EFOY COMFORT will shut down after defined operating hours. Once the switch-on criteria have been satisfied, the EFOY COMFORT unit will turn on again, which can be im- mediately after the maximum charge time.
  • Page 39 Operation The battery protection function provides deep discharge protection for the battery, even when the fuel cell is switched off and the charging function does not take over. You can select the following menu options in the "Battery protection" menu: Switch-on voltage Enable/Disable Factory defaults...
  • Page 40: Maintenance And Service

    Maintenance and Service Maintenance and Service Under normal operating conditions, the EFOY COMFORT fuel cell is maintenance-free. WARNING! Do not open the EFOY COMFORT fuel cell! Unauthorized opening of the EFOY COMFORT fuel cell interferes with safe operation of the device and nullifies the warranty and guarantee.
  • Page 41: Inserting The Fuel Cartridge

    Maintenance and Service Unscrew the fuel cartridge connector from the empty EFOY fuel cartridge. Use the screw cap to seal each EFOY fuel cartridge securely after use. Open the belt. Remove the empty EFOY fuel cartridge. 4.1.2 Inserting the fuel cartridge CAUTION! Impurities in methanol! Original EFOY fuel cartridges contain methanol that has been approved...
  • Page 42 Maintenance and Service Insert a new, full, and sealed original EFOY fuel cartridge into the fuel car- tridge holder. INFO: Always place the fuel cartridge in the fuel cartridge holder with the con- nector facing upwards. Fasten the belt on the fuel cartridge holder.
  • Page 43: Adding Service Fluid

    Maintenance and Service Adding service fluid If the service fluid level is low, the message: "Please refill service fluid" is displayed on the operating panel. INFO: If this message is displayed frequently, check that the air supply at the in- stallation location is sufficient.
  • Page 44 Maintenance and Service Insert the tip of the bottle into the connection nozzle on the device and slowly squeeze the entire contents into the opening. INFO: Never refill the fuel cell with more than one bottle of service fluid at a time. Use a cloth to wipe away any excess service fluid that may spill over.
  • Page 45: Firmware Update

    Maintenance and Service Firmware update Be sure to check on a regular basis (at least once a year) which updates are available for your firmware. A firmware update of the EFOY COMFORT fuel cell is possible at any time with built-in fuel cell and in a few minutes. Simply connect the EFOY Updater to your EFOY COMFORT fuel cell to per- form the update.
  • Page 46: Errors And Solutions

    Errors and solutions Errors and solutions Error message on the display In the event of interruptions and errors, the operating panel displays warning messages on the display panel, including an error code and in- structions on how to resolve the error. By following these instructions, you can quickly and easily eliminate some of the errors that may occur.
  • Page 47 Errors and solutions Error message on the Error Solution display code Please make sure the Please check the installation of exhaust hose is not the exhaust hose and position it clogged, bent or fro- so that no condensation can zen. Press OK for re- gather.
  • Page 48 Errors and solutions Error message on the Error Solution display code Interruption: The device was exposed to tem- Device frozen. Please peratures below 1°C/34°F with- defrost device slowly out a connected battery and/or for at least 24h at room an EFOY fuel cartridge that was temperature.
  • Page 49 Errors and solutions Error message on the Error Solution display code Please disconnect fuel Check the fuel cartridge connec- cartridge connection, tion and, if necessary, check for shake cartridge firmly any contamination and remove and reconnect. Restart it. Then please perform a system device at most 2 times.
  • Page 50: Errors Without Display Messages

    Errors and solutions Battery defective, too The on-board electrical system small or too old. Please including the battery has to be check the battery and checked. The EFOY COMFORT contact EFOY-Hotline has measured charging cycles orservice@sfc.com which were too short. This is an indication of a defective, too old or too small battery.
  • Page 51: Specifications

    Specifications Specifications Performance data Product EFOY EFOY EFOY COMFORT 80 COMFORT 140 COMFORT 210 Max. charge capacity 960 Wh/day 1728 Wh/day 2520 Wh/day 80 Ah/day 144 Ah/day 210 Ah/day Output power 40 W 72 W 105 W Expected output 30 W 60 W 85 W power at 3000h...
  • Page 52 Specifications General data Product EFOY EFOY EFOY COMFORT 80 COMFORT 140 COMFORT 210 Sound pressure 25 dB(A) level at a distance of 7 m Weight 7.1 kg / 7.9 kg / 8.5 kg / 15.7 lbs 17.4 lbs 18.7 lbs Dimensions 44.3 x 20.2 x 28.8 cm (17.4 x 7.9 x 11.3 in) Installation requirements...
  • Page 53 Specifications INFO: The specifications are subject to change without notice. Fuel cartridge Fuel cartridges Volume 5 liters 10 liters (2.64 US gal) Weight 4.3 kg 8.4 kg / 18.5 lbs Dimensions 19.0 x 14.5 x 28.3 cm 23.0 x 19.3 x 31.8 cm (L x B x H) (9.1 x 7.6 x 12.5 in) *not available in all countries...
  • Page 54 Specifications U-I / U-P Characteristics Page 110...

This manual is also suitable for:

Efoy comfort 140Efoy comfort 80Efoy comfort 210

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