# Dryer 2.1 (DRY 2.1)

Enapter's dryer is a hybrid temperature/pressure swing adsorption system increasing hydrogen purity to 99,999%. The dryer is rack-mountable in a standard 19” cabinet.

# πŸ“– Resources

Datasheets Owner's Manuals Simplified PID Quick Start Guides Battery Limits CAD Drawings
DRY 2.1 EN / CN / RU EN / RU PNG EN EN 3D STP

# πŸ“Έ Images

Front Back Right Side Isometric
DRY 2.1 Download Download Download Download

# 🚦 Status LEDs Indications

Action Description LED
Power on The device will turn on as soon as the required input voltage is supplied to the Dryer 2.1 and perform a startup self-check. Red, yellow & green blink thrice
Stopped The machine is not drying hydrogen, waiting for action. Green off
Stand-by (Max pressure state) The device is waiting for inlet pressure and will resume hydrogen drying automatically when the restart input pressure setpoint is reached. Green blinking
Button press When the start-stop button is pressed. Red, yellow & green blink once
Factory Settings Reset Simultaneously pressing the start-stop button and power up the device will activate Factory Settings Reset. Running fire (each LED blinks after another)
Maintenance mode The device is in maintenance mode (can only be enabled by Enapter technicians). Yellow steady
Locate device When locate device is enabled via remote control. Red, yellow & green blinking
Warning The system will continue to work The warning can be reported using remote monitoring and resolved automatically by the system. Yellow blinks
Error The system stops. Errors will be reported using remote monitoring. Some errors can be solved remotely. Red blinks

# Logic States

While operating the Dryer can be in the various logic states. CODE field is a numeric representation of the state available on the EL2.1 Modbus Interface. NAME field is a string representation of the state displayed in the Enapter Cloud and in the Enapter Web GUI interface. DESCRIPTION is the human-readable description of the state.

CODE NAME DESCRIPTION
257 WAITING FOR POWER The dryer is waiting to be powered on
263 WAITING FOR PRESSURE The dryer is waiting for a sufficient amount of inlet pressure
259 STOPPED BY USER The dryer is not drying hydrogen because it has been stopped by the user. It is waiting for the next command desired by the user
260 STARTING The dryer is starting up and checking which state to be in next
262 STANDBY The dryer is waiting for the output pressure to decrease below the allowable threshold value
265 IDLE The dryer is automatically stopped by DCN/IDCN, will be automatically started when at least 1 EL2.1 will become steady
513 DRYING 0 Block 0 is drying the hydrogen, while block 1 is being heated and regenerated
514 COOLING 0 Block 0 is drying the hydrogen, while block 1 is being cooled down after its regeneration
515 SWITCHING 0 Block 0 is drying the hydrogen while slowly pressurizing block 1, to prepare block 1 for the next drying cycle
516 PRESSURIZING 0 Both blocks dry the hydrogen to smoothly transition into the drying cycle of block 1
517 FINALIZING 0 Block 1 dries the hydrogen and block 0 prepares to be regenerated
769 DRYING 1 Block 1 is drying the hydrogen, while block 0 is being heated and regenerated
770 COOLING 1 Block 1 is drying the hydrogen, while block 0 is being cooled down after its regeneration
771 SWITCHING 1 Block 1 is drying the hydrogen while slowly pressurizing block 0, to prepare block 0 for the next drying cycle
772 PRESSURIZING 1 Both blocks dry the hydrogen to smoothly transition into the drying cycle of block 0
773 FINALIZING 1 Block 0 dries the hydrogen and block 1 prepares to be regenerated
1281 ERROR The dryer has stopped due to an error. Errors will be reported using remote monitoring. Some errors can be solved remotely
1537 BYPASS The dryer is manually disabled (usually due to a problem) and hydrogen gas can pass through both blocks
1793 BYPASS 1 The dryer is manually disabled (usually due to a problem) and hydrogen gas can pass through block 0
2049 BYPASS 2 The dryer is manually disabled (usually due to a problem) and hydrogen gas can pass through block 1
2305 MAINTENANCE The device is in maintenance mode (can only be enabled by Enapter technicians)
2561 EXPERT The dryer is in a special mode used to change dryer configurations (should only be enabled by Enapter technicians)
2817 FSR WAIT BEGIN Factory Settings Reset was requested, waiting when LEDs will start blinking one after another
2818 FSR WAIT CONFIRM Factory Settings Reset was requested, waiting when the button will be released
2819 FSR WAIT END Factory Settings Reset was requested, waiting when the Factory settings Reset will be performed for each device, Dryer and UCM
2820 FSR DECLINED Factory Settings Reset is declined for some reason
3073 IDCN WAIT START IDCN creation was requested, waiting when LEDs will start blinking one after another
3074 IDCN WAIT CONFIRM IDCN creation was requested, waiting when the button will be released
3075 IDCN BEGIN IDCN creation was requested, waiting when the UCM module will start the pairing process
3076 IDCN COMMIT IDCN creation was requested, waiting when the pairing process will be finalized by pressing the Start/Stop Dryer's button
3077 IDCN COMMIT ACK IDCN creation was requested, waiting when the UCM module will finalize the pairing process
3078 IDCN WAIT SYNCED IDCN creation was requested, waiting when the pairing process will be finished for each EL2.1 connected to the IDCN
3079 IDCN SYNCED IDCN creation was requested, the pairing process is finished
3080 IDCN DECLINED IDCN creation was requested, the pairing process is declined for some reason
3081 IDCN CANCEL IDCN creation was requested, the pairing process is canceled for some reason, already connected devices will be disconnected
3328 OTA FW update is in progress

# βš™οΈ Factory Settings Reset

Factory Settings Reset (Hard Reset) allows to reset device to factory settings.

To enable Factory Settings Reset:

  • Turn off the device.
  • Press and hold the Start/Stop button and turn on the device.
  • Hold the button. LEDs start blinking one after another.
  • Release the button. All LEDs will blink once.
  • Factory Settings Reset started. Device will be automatically rebooted. All LEDs blink trice.

If the Start/Stop button have not been released Dryer will be in Stand-by.

# πŸ“ˆ Remote Monitoring and Control

# Introduction

Dryer 2.1 comes with pre-installed UCM (Universal Communication Module) that allows users to monitor the device. Over-the-air updates ensure that the latest protocols and security fixes are supported.

Pre-installed UCM connects to the Enapter Gateway and send performance and error data to the Enapter Cloud. The data is stored in a time series database which displays it real-time on customizable dashboards.

Enapter's mobile application ensures quick and easy installation of any energy system. Users can manage the dryer via the mobile app and will receive push notifications to warn of energy system issues.

# Network Requirements

# WI-Fi Requirements

  • 802.11a/b/g/n (2.4 GHz only)

  • 802.12 WEP, WPA, WPA2 Personal (Pre-shared key)

  • Wi-Fi client isolation must be disabled

Note

No captive portal or WPA2 Enterprise supported.

General Wi-Fi Note

The Enapter Cloud connection based on wireless communication and therefore the functionality can be affected with distance in between devices, obstructions between the devices and interference. Communication module inside the dryer works in station mode and utilizes Wi-Fi channel set in your infrastructure Wi-Fi router for used SSID. You are responsible to select the correct channel according to the local radio regulations.

# Connecting your Dryer 2.1 to Wi-Fi

To connect the dryer to wireless networks, follow the steps in the iOS or Android Mobile Application guides below. Please note, the QR-code or preinstalled UCM's ID and PIN are required when connecting to Wi-Fi as well as credentials for the 2,4 GHz Wi-Fi network.

πŸ“— Enapter iOS Mobile Application Guide

πŸ“— Enapter Android Mobile Application Guide

During connection to Wi-Fi network the QR-code or preinstalled UCM's ID and PIN needed. The location for both of them is shown on pictures below.

Front view:

DRY 2.1 QR-code Location

Rear view:

DRY 2.1 UCM ID Location

# πŸ•ΈοΈ Dryer Control Network

For more information please check Dryer Control Network (opens new window) Documentation.

# ⚠️ Events

Name Condition Component Description Troubleshooting
ERROR TT00 The sensor is broken or -18 Β°C > TT00 > 185 Β°C TT00 Temperature of heater of cartridge 0 on drying block 0 has invalid value Please contact Enapter Customer Support. The temperature cannot be measured.
ERROR TT01 The sensor is broken or -18 Β°C > TT01 > 185 Β°C TT01 Temperature of heater of cartridge 1 on drying block 1 has invalid value Please contact Enapter Customer Support. The temperature cannot be measured.
ERROR H100 TT00 is not increasing by 4 Β°C within 600 seconds when heating is enabled H100 Temperature of heater of cartridge 0 on drying block 0 does not increase with required speed Please contact Enapter Customer Support. The heater might be broken.
ERROR H101 TT01 is not increasing by 4 Β°C within 600 seconds when heating is enabled H101 Temperature of heater of cartridge 1 on drying block 1 does not increase with required speed Please contact Enapter Customer Support. The heater might be broken.
ERROR PS00 PS00 activated for 180 seconds during any Stand-by state
PS00 deactivated for 600 seconds during Drying Block 0 or Cooling Block 0
PS00 activated for 600 seconds during Drying Block 1 or Cooling Block 1
PS00 deactivated for 60 seconds when there is less than 300 seconds until end of Switching Block 0 or Switching Block 1
PS00 Pressure switch on drying block 0 is activated Please contact Enapter Customer Support. Regeneration line can be broken
ERROR PS01 PS01 activated for 180 seconds during any Stand-by state
PS01 activated for 600 seconds during Drying Block 0 or Cooling Block 0
PS01 deactivated for 600 seconds during Drying Block 1 or Cooling Block 1
PS01 deactivated for 60 seconds when there is less than 300 seconds until end of Switching Block 0 or Switching Block 1
PS01 Pressure switch on drying block 1 is activated Please contact Enapter Customer Support. Regeneration line can be broken
ERROR F100 Fan F100 RMP < 10 for more than 5 seconds F100 Central ventilation fan does not work with required RPM Fan F100 doesn't rotate with a required speed.
ERROR F101 Fan F101 RMP < 10 for more than 5 seconds F101 Fan on drying block 0 does not work with required RPM Fan F101 doesn't rotate with a required speed.
ERROR F102 Fan F102 RMP < 10 for more than 5 seconds F102 Fan on drying block 1 does not work with required RPM Fan F102 doesn't rotate with a required speed.
ERROR PT00 Voltage < 0.085 V PT00 Input pressure has invalid value Please contact Enapter Customer Support.
ERROR PT01 Voltage < 0.085 V PT01 Output pressure has invalid value Please contact Enapter Customer Support.
WARNING FW MISMATCH UCM firmware and Dryer firmware have different versions Please contact Enapter Customer Support.

# Severity Levels

Code Severity Level
F Fatal Error
W Warning

# Routines

Code Routine Comment
P Platform
H Heartbeat

# Error Codes

Note

Code and Name marked in bold are introduced in the current release of firmware.

CODE SEVERITY DISPLAY NAME DESCRIPTION Troubleshooting
FP_01 F Invalid Configuration Control Board configuration is invalid. Please contact Enapter Customer Support.
WP_02 W Sticky Button The Start/Stop button is pushed. Please release power button. Power button is pushed. Please release power button.
WH_01 W Serial Connection Lost Connection between UCM and Dryer was lost. Check serial connection between UCM and Dryer. Check Efuses were flashed (factory). Please contact Enapter Customer Support.

# πŸ’» Firmware

# Latest Version

# Previous Versions

# How to Update the Firmware?

Note

If Site has Enapter Gateway it needs to be updated to version 1.8.9 or higher.

Note

Make sure you have physical access to the device before starting the update process.

Warning

Do not power off the device during the firmware update.

Warning

Remove Dryer Control Network before updating the firmware.

To update the firmware the dryer must be connect to the Enapter Cloud (opens new window). How to do it please check this instruction.

# Updating the Firmware Using Enapter Cloud

  1. Login into Enapter Cloud (opens new window).
  2. Open your Site navigate to the dryer's page you want to update.
  3. At the left sidebar click on the Update Firmware button at the Firmware Info section.
  4. In opened window click on the Check for updates button.
  5. If you have the latest firmware version you will see You have the latest version.
  6. If update is available you will see Change Log.
  7. Click the Update button to update the firmware.
  8. Wait until the update complete. This can take a while.

# Updating the Firmware Using Enapter Mobile App

  1. Login into Enapter Mobile App.
  2. Open your Site and navigate to the dryer's page you want to update.
  3. Navigate to the About tab (ℹ️) and click on the Firmware button.
  4. In opened tab click on the Check for Updates button.
  5. If you have the latest firmware version you will see You have the latest version.
  6. If update is available you will see Change Log.
  7. Click the Update button to update the firmware.
  8. Wait until the update complete. This can take a while.

# Updating the Firmware Using Electrolyser Web GUI

Note

To update the dryer's firmware using Electrolyser Web GUI (opens new window) the Electrolyser EL 2.1 must be updated to firmware 1.9.0 or above.

Important

Never upload firmware files received from untrusted source. Enapter is not responsible for any misbehavior or harm caused by untrusted firmware usage or violating update instructions. Contact Enapter Customer Support with any questions and to ensure that correct firmware files are used.

It is always recommended to update the dryer's firmware using Enapter Cloud and Mobile Application. However these types of update require stable internet connection. In cases when it is not possible to have your dryer connected to Enapter Cloud it is possible to update the dryer's firmware using Electrolyser Web GUI.

To perform update:

  1. Save and unzip the received firmware package to local hard drive of your computer the way you have two files named fw_ucm_DRYER_X.X.X.ena and fw_cbd_DRYER_X.X.X.ena next to each other.
  2. Open Web GUI (opens new window) of your electrolyser.
  3. Navigate to Dryer Control Network tab.
  4. Navigate to Device Details.
  5. Click Update link. The Upload Firmware screen will appear.
    Web GUI - Upload Firmware
  6. Drag and drop or Select file with UCM firmware named fw_ucm_DRYER_X.X.X.ena from your local hard drive.
  7. On the screen you will see the confirmation that firmware file is recognized by showing up the UCM Firmware version.
  8. Press Upload button and wait the process to finish with Upload and Installation steps. It will take up to 10 minutes. Don't turn the electrolyser and the dryer off and don't close the browser.
  9. Press Done after receiving the message UCM firmware was updated successfully.
  10. Drag and drop or Select file with UCM firmware named fw_cbd_DRYER_X.X.X.ena.
  11. On the screen you will see the confirmation that firmware file recognized by showing up the Control Board Firmware version.
  12. Press Upload button and wait the process to finish with Upload and Installation steps. It will take up to 10 minutes. Don't turn the electrolyser and the dryer off and don't close the browser.
  13. Press Done after you will receive the message Control Board was updated successfully.
  14. To check the update was done successfully navigate to Dryer Control Network tab in the EL 2.1 Web GUI and check device details.

# πŸ†˜ Self Service Troubleshooting Flowcharts

Enapter Dryer is modern hardware / software device. Embedded software monitors wide range of digital and analog sensors and control different actuators inside to ensure correct behavior and prevent failures. In case your Dryer trigger any kind of event you can try to troubleshoot them using our self service troubleshooting flowcharts.