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Related Manuals for DALEMANS U-H1
Summary of Contents for DALEMANS U-H1
- Page 1 Alarm Control unit for flammable gases INSTRUCTION MANUAL Revision V1R0 • 10/2020...
- Page 2 All information contained in this document is non-contractual and subject to change without notice. We also encourage you to regularly check the availability of a new version on our website: http://www.dalemans.com Please contact your distributor in case of doubt, Dalemans s.a.
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Page 3: Table Of Contents
• Alarm thresholds ..................• Relay failsafe mode configuration ............• Reset mode for level 1 alarms ..............• “Siren” mode .................... • Behaviour of the external alarm .............. • Normal state of the external alarm ............• Errors reset mode ..................www.dalemans.com... - Page 4 • Renewal of the validity of the calibration parameters ......Initialization of the detector ................29 SPARE PARTS AND OPTIONS .............. 30 TECHNICAL CHARACTERISTICS ............31 6.1 General remarks ..................6.2 Detectable gases ..................6.3 Product characteristics ................ ANNEXES ...................... 33 www.dalemans.com...
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Page 5: General Remarks
Don’t hesitate to contact DALEMANS SA for any additional information concerning the use of maintenance of this product. DALEMANS SA cannot be held responsible for any direct or indirect damage as well as any direct and indirect monetary damages resulting from the failure to comply with these guidelines. -
Page 6: Safety Information
This qualified personnel is trained and accredited by DALEMANS SA During installation, refer to the standards in application. Should the equipment be installed or used in a manner not specified by DALEMANS SA, the protection provided by the equipment may be impaired. -
Page 7: Environment
This function guarantees the reliability of the gas detection. LEL: Lower explosive limit: the concentration from which an air/gas mix becomes dangerous. www.dalemans.com... - Page 8 The control unit is in a particular operating mode: The measurement of the gas concentrations and the alarm management still takes place, but the status of the alarm relay is unchanged. This mode spontaneously stops after 15 minutes of inactivity. www.dalemans.com...
- Page 9 Allows turning the audible alarm and the transistor output off (potentially connected to RESET 1 x an alarm) Allows: RESET 2 x - resetting an alarm if the gas concentration returns below the threshold which triggers it. - resetting the errors still indicated but no longer ongoing. www.dalemans.com...
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Page 10: Installation Of The Control Unit
Optionally, it is also possible to attach the U•H1 control unit to a DIN rail. Please contact your DALEMANS SA representative for more information. If the attachment method without feet is chosen, attach the enclosure using the 4 holes located in the corners of the enclosure using a PZ2 screwdriver with a minimum length of 150 mm. -
Page 11: Connecting The Control Unit
70 mm. It is recommended to always use wires with a crimping end to avoid any risk of poor electrical contact. Example of a connection diagram for the U•H1 control unit: www.dalemans.com... -
Page 12: Connecting The Detector
The power for the U•H1 control unit and that for the gas valve(s) must be connected on the same circuit. Make sure that the power conductors are always fixed together and separated from the low-voltage conductors. The power cables for the 230 V section must have a minimum section of 1.5 mm www.dalemans.com... -
Page 13: Connecting The Siren
2.7 CONNECTING THE RELAYS The U•H1 control unit has a technical fault relay and 3 relays addressable by the alarms. It is possible to connect different types of servo controls thereto such as a sounder device, a valve, a flash lamp, etc. www.dalemans.com... -
Page 14: Installation Control
To power your U•H1 control unit on, make sure that the terminals are tightened properly and that the supply voltage is within the accepted operating voltage range accepted by the U•H1 control unit. For commissioning, please contact DALEMANS SA to arrange an appointment ! INSTALLATION CONFIGURATION The configuration mode for the U•H1 control unit comprises a set of menus allowing the consultation or... -
Page 15: General Menu
The information menu provides information concerning all the control unit’s elements. With the exception of the date, all these elements are accessible as read-only. View history Consultation of the control unit’s history Calibration age Consultation of the age of the calibration parameters for the detector www.dalemans.com... -
Page 16: History
If the date or time of the U•H1 control unit are incorrect, using the “Enter” button on the keypad accesses editing mode: • “Date & Time setting” is displayed • The cursor flashes on the field value of the date or time to be modified. Date & time setting dd/mm/yyyy hh:mm www.dalemans.com... -
Page 17: Configuration Of The U•H1 Control Unit
This is the standard configuration that has been selected during commissioning of the U•H1 control unit. However, special configuration parameters can be modified relative to this basic configuration. For details of the standard configurations, contact a DALEMANS SA representative. www.dalemans.com... -
Page 18: Alarm Thresholds
Note: The “Technical Fault” relay is always in failsafe mode. Activation of this configuration is to be performed by a technician approved by DALEMANS SA. • Reset mode for level 1 alarms The reset mode for an alarm specifies the way in which it is reset: Latching mode: when the cause of the alarm has disappeared, the alarm remains activated until a manual action (“RESET”) is performed on the control unit. -
Page 19: Behaviour Of The External Alarm
U•H1 Control Unit or D•TEX 3F+ detector is notified by an action on the relay signaling the technical defect. The mode to reset a technical fault specifies how it is reset: as standard, the U•H1 Control Unit is configured for automatic reset. Error reset mode Automatic www.dalemans.com... -
Page 20: Status Of The System's Elements
(cf. § “View history”). Activation of the “Manual acknowledge” is to be performed by a technician approved by DALEMANS SA. Status of the system’s elements This menu is used to consult the status of the elements of the U•H1 control unit. -
Page 21: System Tests
For a more in-depth analysis of your situation, please contact someone approved by DALEMANS SA. The service menu is protected by the following password:... -
Page 22: Service Menus
“Up” and “Down” buttons. The status of the output selected is shown each time. Fault relay Technical fault relay Not activated Alarm relay 1 Alarm relay 1 Not activated Alarm relay 2 Alarm relay 2 Not activated www.dalemans.com... -
Page 23: Detector Simulation
The value of simulated gas concentration is modified using the “Up” and “Down” buttons. The “right” and “left” buttons move from one figure to another of the gas concentration value with the first figure allowing modification by tens and the second by unit. www.dalemans.com... -
Page 24: Configuration Of The Measurement Channel
When the location names allow (display limited to 20 characters), an index from 1 to 9 may be added using the “Right” and “Left” buttons. The confirmation of the location choice takes place using the “Enter” button. The choice of location may be interrupted and abandoned using the “Esc” button. www.dalemans.com... -
Page 25: Customised Location
The configuration menu of the selected detector becomes active again. The return to service of a detector occurs in the same way. Note: A detector out of order is viewed as a technical fault and the fault relay switches ! www.dalemans.com... -
Page 26: Configuration Of The External Alarm
Navigation within the external alarm configurations is via the “Up” and “Down” buttons. The configuration is then selected using the “Enter” button. Confirmation of the configuration change is requested. Select configuration ? Set alarm levels 1 Pressing “Enter” confirms the configuration change. www.dalemans.com... -
Page 27: Normal State Of The External Alarm
Once the modification of the maintenance interval is selected, the period currently configured in the U•H1 control unit is displayed and the cursor flashes on the first digit (the tens) of the value in months. Maintenance interval 13 months www.dalemans.com... -
Page 28: Renewal Of The Validity Of The Calibration Parameters
• Renewal of the validity of the calibration parameters Ordinarily, the renewal of the validity of the detector’s calibration parameters takes place automatically during its calibration by a technician approved by DALEMANS SA. The maintenance period for the calibrated detector is then reset. -
Page 29: Initialization Of The Detector
Pressing the “Enter” button confirms the new configuration of the U•H1 control unit. The channel with the connected detector is then enabled. The “Esc” button can be used to abandon the modification and return to the information menu. Initialization done www.dalemans.com... -
Page 30: Spare Parts And Options
Please find below the list of spare parts available for sale: Name Item reference Cover U•H1 with display 000568 Flat cable for U•LINE display BASCAB00015 Enclosure for U•H1 control unit (base) 000406 Motherboard U•H1 000407 Fixing feet kit U•H1 BOI00000259 DIN rail fixing kit BOI00000260 www.dalemans.com... -
Page 31: Technical Characteristics
At the Upper Explosive Level - U.E.L., the mixture becomes too rich and cannot explode due to a lack of oxygen and simply burns. COMBUSTION A DALEMANS SA gas detection control unit helps you to prevent any risk of explosion in an atmosphere where the risk of a gas leak exists. 6.2 DETECTABLE GASES The U•H1 control unit has been specially designed to be placed in a heater room environment where... -
Page 32: Product Characteristics
6.3 PRODUCT CHARACTERISTICS This product has been designed and manufactured in Belgium according to the quality charter of DALEMANS SA. U•H1 control unit Manufacturer Design and fabrication DALEMANS SA Power supply Mains 220 - 240 V(AC) ~ 50Hz Power 15 W max... -
Page 33: Annexes
ANNEX 1 – PREDEFINED LOCATIONS ............... 34 ANNEX 2 – CHARACTERS AVAILABLE WHEN EDITING THE TEXT ....35 ANNEX 3 – INFORMATION MENUS ..............36 ANNEX 4 – SERVICE MENUS ................37 ANNEX 5 – DIMENSIONS (EXCLUDING PE) ............38 www.dalemans.com... -
Page 34: Annex 1 - Predefined Locations
Gasklep Co-generation Co-génération Gas meter Compteur Gaz Gasteller Venting duct Vide Ventilé Kruipkelder Gas pipe Conduite Gaz Gasleiding Gas boiler Boilère gaz Gasboiler Oven Four Gasoven Moistener Humidificateur Stoombevochtiger Extractor hood Hotte Dampkap Dryer Sèche-linge Droogkast Cooker Cuisinière Gaskeuken www.dalemans.com... -
Page 35: Annex 2 - Characters Available When Editing The Text
ANNEX 2 – CHARACTERS AVAILABLE FOR EDITING THE TEXT The numbers 0 - 9 The letters of the alphabet lowercase The letters of the alphabet in uppercase Vowels with accents and ç in lowercase The dash and the special character @ www.dalemans.com... -
Page 36: Annex 3 - Information Menus
ANNEX 3 – INFORMATION MENUS www.dalemans.com... -
Page 37: Annex 4 - Service Menus
ANNEX 4 – SERVICE MENU www.dalemans.com... -
Page 38: Annex 5 - Dimensions (Excluding Pe)
ANNEX 5 – DIMENSIONS (EXCLUDING PE) www.dalemans.com... - Page 39 Notes www.dalemans.com...
- Page 40 Alarm Control unit for flammable gases INSTRUCTION MANUAL Rue Jules Mélotte 27 • B-4350 Remicourt (Belgium) Tel.: +32 (0)19 33 99 43 • sales@dalemans.com www.dalemans.com www.dalemans.com...