1. Manuals
  2. Brands
  3. FRIEDHELM LOH Manuals
  4. Firefighting Equipment
  5. RITTAL DET-AC III Slave
  6. Mounting, installation and operating instructions

FRIEDHELM LOH RITTAL DET-AC III Slave Mounting, Installation And Operating Instructions

Extinguishing system
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
DET-AC III Slave Extinguishing System
DK 7338.321
Mounting, installation and operating instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RITTAL DET-AC III Slave and is the answer not in the manual?

Questions and answers

Summary of Contents for FRIEDHELM LOH RITTAL DET-AC III Slave

  • Page 1 DET-AC III Slave Extinguishing System DK 7338.321 Mounting, installation and operating instructions...
  • Page 2 IMPORTANT! Read this document before starting any work! This document is a mandatory part of the system and should therefore always be stored freely accessible and for further usage. Original document Rittal GmbH & Co. KG Postfach 1662 D-35726 Herborn Germany Phone: +49(0)2772 505-0 Fax: +49(0)2772 505-2319...

  • Page 3: Table Of Contents

    Table of contents Table of contents Legal note........................General........................... Overview....................... Abstract......................Scope of delivery..................Limitations of liability................... Safety..........................Safety and warning notices................. Warnings in instructions................Intended use....................Safe operation..................... General dangers..................3.5.1 General dangers associated with fire extinguishing systems..... 3.5.2 Dangers when activating the system............
  • Page 4 Table of contents Packaging....................Structure, function and connections................. Structure..................... Function...................... Connections....................5.3.1 Relay outputs....................5.3.2 Door contact switch..................5.3.3 Interfaces to the Monitoring System............5.3.4 Connection of external alarm device............5.3.5 Manual call point connection............... 5.3.6 Power supply....................5.3.7 USB port..................... 5.3.8 Connection for networking................
  • Page 5 Table of contents Maintenance program....................10.1 Installing the maintenance program............10.2 Homepage....................10.3 Project......................10.4 Event memory..................... 10.5 Firmware..................... 10.6 Customer data.................... 10.6.1 General....................... 10.6.2 Components....................10.6.3 Timeouts..................... 10.6.4 Threshold values..................10.7 Operation....................Maintenance......................... 11.1 Regular checks by the owner..............11.2 Inspection, maintenance and repairs by the Authorized Distributor....
  • Page 6 Table of contents 11.2.21 Checking the total weight................11.2.22 Changing the tank..................11.2.23 Concluding the inspection................11.3 Repairs after a release................11.3.1 Safety instructions for the tank change............11.3.2 Removal...................... 11.3.3 Disposal of the old tank and installation of a new tank....... 11.4 Firmware update..................

  • Page 7: Legal Note

    Legal note Legal note Deutsch: English: Produkt nur einbauen, inbetriebnehmen und Do not install, start up and maintain the warten, wenn diese Anleitung klar verstanden product unless you have clearly understood wird. these instructions. Produkt nur bedienen, wenn die nachfolgende Do not operate the product unless you have Anleitung klar verstanden wird.
  • Page 8 Legal note Română: Svenska: Montați produsul, puneți-l în funcțiune și între- Montera produkten, ta den i drift och underhåll țineți-l numai dacă instrucțiunea următoare den endast om du förstår denna instruktion. este înțeleasă clar. Betjäna produkten endast om du förstår den Utilizați produsul numai dacă...

  • Page 9: General

    General General This document contains important information for working safely and efficiently with the extinguishing system DET-AC III Slave (referred to below as the "system"). This document is intended for qualified personnel Ä Chapter 3.6 “Qualification of personnel” on page 17. Overview Fig.

  • Page 10: Scope Of Delivery

    General Alarms and failures can be transmitted to a superordinate position (building control technology or permanently manned location) via potential-free contacts, the Moni- toring System CMC, the IoT interface or via the Power Distribution Unit PDU (Rittal products). Network capability is established with one of the mentioned Rittal products. The compact system with a space requirement of only one rack unit is intended for installation in the upper third of the closed 19"...

  • Page 11: Limitations Of Liability

    General Designation Unit Part no. 920329 DET-AC safety data sheet, German  920330 DET-AC safety data sheet, English  pre-assembled assembled included in pack Accessories ● Suction pipe system (part number 7338.130) ● Access sensor (part number 7030.128) (hereinafter also referred to as "door contact switch") ●...
  • Page 12 General ● Non-compliance with maintenance intervals ● Non-performance of maintenance ● Maintenance errors due to non-compliance with current maintenance instruc- tions / current maintenance notes of the manufacturer ● Damage for which a third party is to blame ● Intentional damage/manipulations ●...

  • Page 13: Safety

    Safety Safety This section provides an overview of all important aspects that are essential for the protection of personnel as well as safe and trouble-free operation. Additional task- specific safety instructions will be provided in the sections that refer to the individual life stages of the plant.

  • Page 14: Intended Use

    Safety Intended use This system is designed exclusively for the intended use described here. The system is designed exclusively to extinguish smoldering or developing fires in closed 19" switch cabinet systems. The system must only be operated using the extinguishing agent Novec 1230 by The system must only be used in areas which personnel do not enter.

  • Page 15: Safe Operation

    Safety The system must not be used under the following operating conditions: ● Hot surfaces above 500 °C (932 °F), which due to operational conditions have been heated to temperatures in excess of the extinguishing agent’s decomposi- tion temperature. Structural changes This system has been tested for the intended use.

  • Page 16: General Dangers Associated With Fire Extinguishing Systems

    Safety In order to reduce the risk of personal injury or property damage and to avoid haz- ardous situations, follow all safety and warning notices listed in this document. 3.5.1 General dangers associated with fire extinguishing systems WARNING Risk of injury from faulty release! A faulty release of the system may cause injuries and property damage.

  • Page 17: Qualification Of Personnel

    Safety NOTICE Property damage from cooling ambient air! The discharged extinguishing agent extracts heat from the ambient air contained in the extinguishing zone. This cools down the extinguishing zone by as much as 20 °C (36 °F) when fighting a fire. ●...
  • Page 18 Safety The various tasks described in this document require that the persons responsible for them have different qualifications. These qualifications, which are referred to again at the beginning of the respective section of this document, are specified below: Authorized Distributor The Authorized Distributor has verifiably undergone training provided by the manu- facturer during which the company was made familiar with the knowledge and pro- cedures necessary to install, commission and service fire suppression systems in a...

  • Page 19: Instruction

    Safety Instruction The Authorized Distributor must instruct the owner’s person in charge of the system in the handling of the system and subsequently hand over the operating instruction to this person. For better traceability an instruction report must be drawn up with at least the following contents: ●...

  • Page 20: Operator's Responsibility

    Safety Safety goggles Safety goggles cover the entire eye area (also on the side) and are used to protect the eyes, e.g. against chemicals, raised particles or pressurized gases or liquids. Operator's responsibility 3.9.1 Owner The owner is the person or entity that operates the system himself/itself for commer- cial or economic purposes, or who transfers the device to a third person for use/ application, and who bears the legal responsibility for protecting the user, personnel, or third parties.

  • Page 21: Responsibility Of The Authorized Distributor

    Safety ● The owner must appoint a person in charge of the system, who will be instructed by the Authorized Distributor about how to safely perform tasks and checks at the owner’s site of operation. The owner will confirm in the documentation of the Authorized Distributor that these instructions have been given.

  • Page 22: Signage

    Safety 3.11 Signage WARNING Risk in conjunction with illegible signage! Over time, stickers and signs can get dirty or become illegible for other reasons, so that risks can no longer be recognized and necessary operating instructions can no longer be adhered to. This will lead to a risk of injury. ●...

  • Page 23: Behavior In The Event Of A Fire

    Safety Extinguishing agent Novec 1230 The extinguishing agent has been classified as slightly reactive to water. It must be disposed of in accordance with all applicable local waste disposal regulations. Observe the safety data sheet provided by the extinguishing agent’s manufacturer The photolytic half-life of the extinguishing agent is 3 –...

  • Page 24: Transport And Packaging

    Transport and packaging Transport and packaging Personnel: Qualified specialist personnel CAUTION Risk of injury due to falling or toppling packaged items! Packaged items can have an eccentric center of gravity. If handled incorrectly, the packaged item may topple or fall. Toppling or falling packaged items may cause injuries.

  • Page 25: Transport

    Transport and packaging Transport Observe the following during transport: ● Transporting the complete system: – Caution Dangerous goods, according to section 14 in the respective valid safety data sheet. Transport only permitted by trained personnel. – Safety data sheet for this system. –...

  • Page 26: Structure, Function And Connections

    Structure, function and connections Structure, function and connections Structure Fig. 4: Structure of the system 1 Tank (extinguishing agent container) with 5 Control card CPU3 fill level monitoring and release device 6 Discharge nozzle 2 Propellant cartridge 7 Front panel 3 Loss monitoring card 4 Connection strip (connection technology card / network interface card...

  • Page 27: Connections

    Structure, function and connections Fig. 5: Front view Fig. 6: Rear view Connections Fig. 7: "AT3 connection technology" card (left) and "NW network interface" card (right) Ä Chapter 5.3.1 “Relay outputs” Connecting terminal for relay output „Pre-alarm on page 28 Ä...

  • Page 28: Relay Outputs

    Structure, function and connections Ä Chapter 5.3.6 “Power supply” on page 31 14 Power supply (U 15 USB port (type B) Ä Chapter 5.3.7 “USB port” on page 31 Ä Chapter 5.3.3 “Interfaces to the Monitoring System” 16 CAN bus interface (RJ45) on page 29 Wiring The following applies to wires: Each of the wires to be used must not be longer than...

  • Page 29: Door Contact Switch

    Structure, function and connections 5.3.2 Door contact switch Fig. 9: Connections door contact switch Door contact switches for the doors or the flaps (if an automatic door opening "ADO" Ä Chapter 6.2.5 “Instructions for the use of the DET-AC III Slave by Rittal is used system with simultaneous use of an automatic door opening "ADO"”...

  • Page 30: Connection Of External Alarm Device

    Structure, function and connections Binary alarm states Binary failure states Messages Failure detector 1 Failure detector 2 Failure communication Failure extinguishing output Extinguishing agent loss Maintenance interval expired Battery change required The CMC-TC is the predecessor to the CMC III and does not have a CAN‑bus inter- face.

  • Page 31: Power Supply

    Structure, function and connections 5.3.6 Power supply A 2-pole connection (Fig. 13/14) with an output current of 21 to 27 V DC is available for the DET-AC III Slave power supply in case of a DET-AC III Master and DET-AC III Slave combination of extinguishing units.

  • Page 32: Assembly And Installation

    Assembly and installation Assembly and installation INFORMATION Mounting and installation of the system is to be performed solely by a trained Authorized Distributor. Operating conditions and installation requirements ● Permissible ambient temperature range: +10 °C to +40 °C (+50 °F to +104 °F). ●...

  • Page 33: Installation And Commissioning

    Assembly and installation Installation of the system in differently equipped 19" cabinets is possible only fol- lowing consultation with the Authorized Distributor. Installation and commissioning Personnel: Authorized Distributor Protective equipment: Safety goggles Safety gloves Safety footwear WARNING Danger of reignition if devices are not shut down! In order to prevent reignition, it is imperative that there is an energy shutdown of the devices within the protected enclosure when the extinguishing system is released.

  • Page 34: Installation Instructions

    Assembly and installation 6.2.1 Installation instructions WARNING Danger due to faulty installation! Non-horizontal installation of the system results in the extinguishing agent not being fully discharged and the failure message “Extinguishing agent loss” being dis- played. ● Mount the system in a horizontal position (using a spirit level for alignment). WARNING Danger due to the installation of the system in unsuitable control cabinets! If the system is installed in unenclosed control cabinets (e.g.
  • Page 35 Assembly and installation Remove the system from the packaging, place it on a stable base, and check it for completeness and damage. Ä Chapter Check the temperature indicator for an increase in temperature 6.2.3 “Temperature indicator” on page 37. Fig. 18: Blocking switch Blocking the system: Switch the blocking switch (Fig.
  • Page 36 Assembly and installation Fasten the system to the front panel in the 19" frame using the supplied screws (M6) and the black plastic washers. The mounting holes are located on the right and left of the outer side of the front plate.

  • Page 37: Temperature Indicator

    Assembly and installation Ä Chapter 6.3 “Installation and commissioning of Connecting additional devices additional electrical devices” on page 40. 6.2.3 Temperature indicator The temperature indicator (65 °C (149 °F)) is on the front cover. Fig. 21: Temperature indicator light: Temperature is okay. Check that the temperature indicator is in a proper state (Fig.

  • Page 38: Instructions For The Use Of The Det-Ac Iii Slave System With Simultaneous Use Of An Automatic Door Opening "Ado

    Assembly and installation Fig. 24: Blocking switch 6.2.5 Instructions for the use of the DET-AC III Slave system with simulta- neous use of an automatic door opening "ADO" 19" cabinets can be equipped with an automatic door opening "ADO". In the case of an automatic door opening "ADO", there are flaps in the door of the 19"...
  • Page 39 Assembly and installation 6.2.6.1 Door contact switch By opening a door to the protected cabinet which is equipped with a door contact switch, the message “Blocking by door cont.” is generated and the yellow LEDs lit By removing the door contact plug on the rear side of the system, the door contact switch is deactivated.

  • Page 40: Installation And Commissioning Of Additional Electrical Devices

    Assembly and installation Reset the failure message that comes up when connecting with the upper [Reset] button. After the manual call point is released, the lower red LED blinks and “Manual release” and “Fire” are shown in the display. Reset the manual call point and activate the system again with the upper [Reset] button.

  • Page 41: Potential-Free Contacts

    Assembly and installation 1 LED "Failure" 2 LED "Extinguishing system triggered" Fig. 29: LEDs 6.3.1 Potential-free contacts NOTICE Malfunction due to interrupted relay contacts! When using relay contacts for external controllers, the connections to the relay con- tacts can be interrupted when removing the system from the protected cabinet. As a result, there is a danger of unwanted switching states arising from, e.g.

  • Page 42: Monitoring System

    Assembly and installation 6.3.2 Monitoring system Fig. 30: CMC connections Plug (RJ12) for connection to Rittal Monitoring System CMC‑TC („failure”) Plug (RJ12) for connection to Rittal Monitoring System CMC‑TC („fire alarm”) Plug (RJ12) for connection to Rittal Monitoring System CMC‑TC („pre‑alarm”) 16 CAN bus interface (RJ45) for connection to various Rittal Monitoring Systems (CMC, IoT interface, PDU) The Computer Multi Control (CMC) is an alarm system for control, network and...
  • Page 43 Assembly and installation WARNING Danger due to unwanted blocking! The connection of door contact switches to connection "5" and at the same time to connection "13" causes the system to be blocked even when the doors are closed. ● Connect door contact switches only to connection "5" or to connection "13". Fig.
  • Page 44 Assembly and installation Fig. 32: Connections for door contact switches Fig. 33: Installation diagram Door contact input "5" (Fig. 32/5) "RJ12 plug" door contact switch (access sensor) X1 RJ12 bushing (6-pin) for connecting to the system or for series connection with an additional door contact switch X2 RJ12 bushing (6-pin) for series connection with additional door contact switches (maximum of 10 switches) or for the "terminating resistor"...

  • Page 45: Combination Of Systems

    Assembly and installation Remove the pre-fitted end-of-line resistor (Fig. 32/13) when using the "RJ12 plug" door contact switch. Fig. 35: [Reset] button and DIP switch "S3" A Setting for the transparent door contact switch B Setting for the gray door contact switch On the CPU3 control card on DIP switch "S3"...
  • Page 46 Assembly and installation The systems are fully functional. However, not all messages are transmitted and certain functions cannot be performed (e.g. Maintenance Program, external tank, ...). 6.3.4.2 Networking systems Up to five systems (active extinguishing system DET-AC III Master or EFD III with DET-AC III Slave) can be networked with each other via a bus system to protect several switch cabinets.
  • Page 47 Assembly and installation WARNING! Danger due to malfunction! ● Do not change S4! ● Do not change S5! Fig. 37: Configuration Configure the system with addresses (Fig. 37). ● Set S6 to the sum of the systems that are networked Ä...
  • Page 48 Assembly and installation 1. DET-AC III 2. DET-AC III 3. DET-AC III 4. DET-AC III Combination Master Slave Slave Slave Slave DET-AC III Master or EFD III, not networked DET-AC III Master or EFD III combined with DET-AC III Slave DET-AC III Master or EFD III combined with...
  • Page 49 Assembly and installation Connect the CAN bus connecting cable (Master/Slave) (Fig. 38/4) between first Slave and next Slave. Fig. 38: Energy supply and data line 6.3.4.5 Checking networking After complete construction of the network, a failure message must be generated on each of the systems that are networked in order to check data transmission.

  • Page 50: Manual Call Point

    Assembly and installation 6.3.5 Manual call point Manual call points are connected to the connecting terminal "Manual call point" (Fig. 39/12). If a manual call point is actu- ated, the extinguishing process is released. Normal state = switch open Manual call point actuated = switch closed 1 Lines to the system (connection "12") Fig.

  • Page 51: Alarms And Failures

    Alarms and failures Alarms and failures Personnel: Person in charge of the system Protective equipment: Protective goggles Fig. 41: DET-AC III Slave The system’s operating state is monitored and displayed by the superordinate system. If there is a failure or an alarm present, this is shown in the display of the superordinate system.
  • Page 52 Alarms and failures 1 LED "Extinguishing system triggered" 2 LED "Failure" 3 LED "Blocked" 4 Blocking switch Ⅰ Agent connect [not blocked] Ⅱ Agent disconnect [blocked] Fig. 42: Blocking Operating Instructions / DET-AC III Slave / 916007 / 11-2022 / en_US...

  • Page 53: Display And Control Elements

    Display and control elements Display and control elements Personnel: Qualified specialist personnel Operation of the system is via the superordinate system DET-AC III Master or Ä Chapter 10 “Maintenance program” EFD III or via the Maintenance Program on page 58. Refer to the operating instructions for DET-AC III Master or EFD III for operation via a superordinate system.

  • Page 54: Messages Display

    Messages display Messages display Personnel: Person in charge of the system Messages are shown on the display of the superordinate system for the following states. INFORMATION The DET-AC III Slave doesn’t have its own display. Message Cause Necessary measure State OK ●...
  • Page 55 Messages display Message Cause Necessary measure Failure battery ● Battery deeply discharged. Check whether there was a mains failure. If yes, then charge the bat- ● Battery is defective. teries for 24 hours in the system. ● Battery not connected. The failure message must then be able to be reset.
  • Page 56 Messages display Message Cause Necessary measure Perform main- ● Operating time has reached the main- Inform service. Call for mainte- tenance tenance interval. nance. Battery change ● Operating time has reached maximum Inform service. Call for mainte- required durability. nance. System failure ●...
  • Page 57 Messages display Message Cause Necessary measure Outage battery ● Outage in the battery charging circuit. Inform service. charging Failure ignition ● The capacity of the ignition capacitor Inform service. cap. is no longer sufficient or a release has just occurred. Failure ●...

  • Page 58: Maintenance Program

    Maintenance program Maintenance program Personnel: Authorized Distributor NOTICE Damage to the system due to malfunction! In the event of an incorrect data transfer to the system, functionally relevant compo- nents may be deactivated. ● The maintenance program must be operated only by persons qualified to do 10.1 Installing the maintenance program Requirements of the operating system: Windows XP or later and Microsoft.NET...

  • Page 59: Homepage

    Maintenance program 10.2 Homepage Fig. 44: Maintenance program homepage The following options are shown after starting the maintenance program: Ä Chapter 10.3 “Project” on page 60 ● Project (Fig. 44/1) – Read data (Fig. 44/2) (gray background, if no system is connected) –...

  • Page 60: Project

    Maintenance program 10.3 Project Importing data All data from the system connected is imported into the maintenance program. Transferring data All data, which is present in the maintenance program, is transferred to the system that is connected. The transfer can only occur if existing data was imported in advance, customer data was input, or a project was loaded.

  • Page 61: Customer Data

    Maintenance program ● Designation SW (software CPU, software network NW and software control panel BT) SW_OnU_SNBT_GerEng__CPU2_0_7_0__2014_08_11__BT3__02_00_01_00 __ 2014_05_22__NWoKDF1_2_2_0__2014_07_07.hex * This is transferred to the active extinguishing system ("DET-AC III Master") if changes are made. ● Designation SW (software CPU and software network NW) SW_OnU_SNBT_GerEng__CPU2_0_7_0__2014_08_11__NWoKDF1_2_2_0__ 2014_07_07.hex * This is transferred to the extinguishing system ("DET-AC III Slave") if changes...

  • Page 62: Timeouts

    Maintenance program System Tank Alarm device (AE) DET-AC III Master Internal Not present DET-AC III Slave Internal Not present EFD III Not present Not present 10.6.3 Timeouts ● Browsing [20 s]*: Switches back from the display of older messages to the basic message display state.

  • Page 63: Operation

    Maintenance program ● External valve (lower threshold): the lower value of the external valve is dis- played (wire break/short circuit monitoring). ● External valve (upper threshold): the upper value of the external valve is dis- played (wire break/short circuit monitoring). 10.7 Operation Lamp test...
  • Page 64 Maintenance program INFORMATION This configuration only has to be performed for component assemblies with a pro- duction date prior to July 8, 2014 ( "Network Interface NW" card with component assembly numbers prior to 0214 and from 0214-0001 up to and including 0214-0349).

  • Page 65: Maintenance

    Maintenance Maintenance WARNING Danger due to a lack of fire safety! If the system has been taken out of service there is no fire safety. Fires breaking out can cause severe injuries and significant property damage. ● Keep functioning and suitable reserve extinguishing equipment on hand (e.g. suitable fire extinguishers).

  • Page 66: Inspection, Maintenance And Repairs By The Authorized Distributor

    Maintenance 11.2 Inspection, maintenance and repairs by the Authorized Distributor Personnel: Authorized Distributor Protective equipment: Safety goggles Safety gloves Safety footwear WARNING Risk of injury due to improperly executed repair tasks! Improper repairs can cause severe injuries and significant property damage. ●...
  • Page 67 Maintenance Precise knowledge of the system(s) in question is required for the performance of service tasks. This includes: ● DET-AC III Master (Part No. 7338.121) ● DET-AC III Slave (Part No. 7338.321) ● EFD III (Part No. 7338.221) The respective system type, operating instruction and the Firmware installed when delivered can be ascertained from the information on the type plate (part number, serial number, order number).
  • Page 68 Maintenance Reference to chapter ║ „task‟ ║ page reference Ä Chapter 11.2.15 “Checking the electrical connections” on page 71 Ä Chapter 11.2.16 “Changing the battery "control card CPU3"” on page 71 Ä Chapter 11.2.17 “Checking the DIP switch on the control card CPU3”...

  • Page 69: Checking For Proper Installation

    Maintenance Annual Inspection/Maintenance (Authorized Distributor) Visual inspection, full maintenance (e.g. check and clean the discharge nozzle where applicable) and function test. Ä Chapter 10 “Maintenance pro- The event memory must be checked for failures gram” on page 58. In the course of maintenance, the system is checked fully and, where applicable, put back into target state.

  • Page 70: Recording The Current Version

    Maintenance 11.2.5 Recording the current version Ä Chapter 10 Refer to the Maintenance Program for the current version states “Maintenance program” on page 58. ● Firmware version ● Control panel version ● BIOS version Record the different versions in the service report and compare with the old data. A deviation is to be noted with an explanation.

  • Page 71: Checking For Proper Connection Of The Transmission

    Maintenance 11.2.12 Checking for proper connection of the transmission A pending failure (e.g. via blocking switch or door contact switch) can be transmitted to a permanently manned location. This function is to be checked. 11.2.13 Checking whether shutdown occurs Signals for the shutdown of external electrical devices (e.g. fans) can be transmitted via the potential-free relay outputs.

  • Page 72: Checking The Dip Switch On The Control Card Cpu3

    Maintenance 11.2.17 Checking the DIP switch on the control card CPU3 The DIP switch for the door contact as well as for the language setting can be found on the control card CPU3. ● The setting of the switch for the door contact can be found in Ä...

  • Page 73: Concluding The Inspection

    Maintenance Ä Chapter 11.3.2 “Removal” on page 74. Remove the tank Dispose of the old tank in a proper and professional manner. The fastening material is not included in the scope of delivery of the new tank to be installed. Keep the fastening material if the new tank is not installed directly after the removal of the old tank.

  • Page 74: Safety Instructions For The Tank Change

    Maintenance 11.3.1 Safety instructions for the tank change WARNING Danger for insufficiently qualified personnel! Insufficiently qualified personnel is incapable of assessing the risk involved when changing the tank and may cause severe or fatal injuries to themselves or others. ● The removal of an empty tank after a release and the installation of a new full tank may only be performed by trained personnel using the materials and tools intended for the task.
  • Page 75 Maintenance Loosen the screws on the front and rear cover. Fig. 50: Earthing plugs Remove the earthing plugs from the front and rear cover (Fig. 50). Fig. 51: Earthing screw Remove the earthing screw (Fig. 51/1) from the tank. Fig. 52: Ignition plug Push out the red arrest (Fig.

  • Page 76: Disposal Of The Old Tank And Installation Of A New Tank

    Maintenance Fig. 54: Tank fastening Remove the M3 nuts (Fig. 54/1) of the tank fastening with a 5.5 mm socket wrench. Fig. 55: Pulling out the tank Lift up the tank in the rear section and carefully pull it out towards the rear (Fig.

  • Page 77: Firmware Update

    Maintenance Ä Chapter 11.2 “Inspection, Perform inspections and maintenance as per maintenance and repairs by the Authorized Distributor” on page 66. 11.4 Firmware update A new Firmware update can be copied to the system using the Maintenance Pro- Ä Chapter 10 “Maintenance program” on page 58. gram Operating Instructions / DET-AC III Slave / 916007 / 11-2022 / en_US...

  • Page 78: Spare Parts, Accessories, Consumables, And Tools

    Spare parts, accessories, consumables, and tools Spare parts, accessories, consumables, and tools Systems Part no. DET-AC III Master 7338.121 DET-AC III Slave 7338.321 EFD III 7338.221 Spare parts Part no. Tank system/spare part, complete 914166 0.315 A / 250 V fuse, micro fuse T 903147 1.8 kΩ...
  • Page 79 Spare parts, accessories, consumables, and tools Tools Part no. Torx TX10 wrench ―― Allen wrench, size 2.5 mm ―― Open-end wrench, size 8 ―― Open-end wrench, size 19 ―― Open-end wrench, size 22 ―― Cross-head screwdriver for front panel screws ――...

  • Page 80: Final Shutdown, Disassembly, And Disposal

    Final shutdown, disassembly, and disposal Final shutdown, disassembly, and disposal After the end of the system's useful life has been reached, the system must be dis- assembled and disposed of in an environmentally appropriate manner. 13.1 Final shutdown and disassembly Personnel: Authorized Distributor Qualified specialist personnel...
  • Page 81 Final shutdown, disassembly, and disposal NOTICE Danger to the environment due to incorrect disposal! Incorrect disposal can cause dangers for the environment. ● Entrust only the Authorized Distributor or service personnel authorized by the Authorized Distributor with the disposal of the system and its components. ●...

  • Page 82: Technical Data

    Technical data Technical data Installation dimensions 19”, 44 mm (1.73 in.) [1 RU], 660 mm (26 in.) mm deep (depth above everything) Housing material Sheet metal Weight Approx. 12.5 kg (27.56 lb.) Nominal voltage 24 V DC via superordinate system Emergency power By means of the superordinate system and is dependent on the supply...
  • Page 83 Technical data External devices ● Connection for manual call point ● Connection for door contact ● CAN bus connection for networking with various Rittal monitoring systems ● Connection for networking (RJ12-DEC) "DET-AC III Master - DET-AC III Slave" Tank Material: aluminum Empty volume: approx.

  • Page 84: Index

    Index Index 1, 2, 3 ... Compatibility Systems ......45 19" cabinet ......9 Configuration .
  • Page 85 Index Failure function Checking ......38 Network cabinet ......9 Faulty release .
  • Page 86 Index Safety instructions ..... 13 Safety notice ......13 Scope of delivery .
  • Page 88 ■ Enclosures ■ Power Distribution ■ Climate Control ■ IT Infrastructure ■ Software & Services Ì916007¸ ¶ ¸ · ¸ Î You can find the contact details of all Rittal companies throughout the world here. www.rittal.com/contact...

This manual is also suitable for:

Dk 7338.321

Table of Contents