Hydran manual

This manual also traces the development of wet-barrel and dry-barrel styles and contains detailed instructions for installation and testing. The updated appendices feature new, updated diagrams of hydrant models, definitions, and record-keeping forms. Fourth edition. This special fire service edition of NFPA's Fire Protection Handbook is comprised of 35 informative chapters that present the big picture in a single volume.

All the topics fire service managers and fire and life safety educators need to know about are here including: Fire and fire science basics including fire data collection and databases, and use of incident data and statistics Information on fire and life safety education including how to reach high-risk groups, understanding media, and evaluation techniques Guidance on fire department administration and operations, pre-incident planning, EMS, training, apparatus and equipment, PPE, managing response to haz-mat incidents, rescue operations, fireground operations, and more!

Order your copy today and put time-tested knowledge to work for you! This location has excellent circulation of oil. This location offers good oil circulation and is easily accessible for installation and taking oil samples directly from the Hydran Ti. This verification also confirms that no damage occurred during shipping and allows the user to become familiar with the Hydran i System. The HTi installation procedure is described in Section 7.

Page Inspecting 3. The plastic cap must be left on the adaptor to protect its threads and the membrane. This indicates the sensor is being heated to the temperature setting of default Perform all of the procedures from Section 7. To verify the relays using the alarm contacts, connect an ohmmeter to the Alarm Contacts 9-Terminal Block item 12 in Figure To identify each terminal, see Table D - 7.

The value must exceed 2. Note: The Hydran Ti requires a minimum of 2. Return to a previous level of the menu by pushing ESC. When all is done, push END. Refer to Table D - 7 in Appendix D for connection details. Note: Once accessed, the extended menu times out after 30 minutes of keypad inactivity. Verification also allows the user to become familiar with the Hydran i System. Figure Hydran Ti Assembly Installation and maintenance of the Hydran i System must be carried out by qualified personnel only.

Carefully pull out the CPU module. Inspect the adaptor and sensor for oil leaks. Dispose of the collected oil according to company standards. Figure Purging Air from the Hydran Sensor 7. Also, ensure that both the bleed screw and sampling port remain easy to access. Plug the twist-lock female connector of the sensor cable to the male connector behind the Hydran sensor, Figure Fastening the Heating Plate to the Brass Adapter 7. Run the supervisory link cable into the conduit up to the HCi Controller, where it will be connected later.

Ensure all wires are identified. Power up the HTi. Perform the procedure described in Section 7. Configuring the Hydran Ti The HTi can be configured using either its keypad or a host computer running the Hydran Host or Perception software depending on the selected communication protocol. Ensure that all parameters are verified. Access the submenu HTi Vx.

Verify and set, as required, the 15 parameters alarm set points and periods. The message Are You Sure? The message Please wait ID value. This number can vary from 1 to To continue the installation using a host computer, run either the Hydran Host software if Ti is set to Hydran protocol or Perception software if Hydran Ti is set to Modbus protocol to define a local network using these identification numbers.

If properly installed and maintained, the HTi provides many years of trouble-free service. The Hydran Ci-C installation procedure is described in Section 8. Depending on the selected communication protocol, start the Hydran Host or Perception software on the PC. All procedures in this manual must be strictly adhered to. The procedure is as follows: Remove the rubber plugs from the required openings of the HCi-C enclosure. Incoming Inspection and Verification It is strongly recommended that you verify the operation of the Hydran Tis and Hydran Ci Controllers before their installation.

Ensure that the door-mounted push- buttons are covered with the protective caps. The value should be Normal.

Note: Pushing both push-buttons to acknowledge the gas alarm conditions should turn off the indicators since the conditions are cleared during a system fault. Remove all supply cables. Remove all communication cables. Store the HTi and the HCi-1 in their respective boxes, ready for installation.

If the HTi is not installed immediately, refer to Section 7. Read all the warnings and recommendations in Section 6. The procedure is as follows: Remove the rubber plugs from the required openings of the HCi-1 enclosure.

Connect the cable to the main terminal block. For wiring details, see Table D - Page MA Rev. Page A Hayes-compatible modem can be pre-installed and pre-set at the factory in an HCi. A typical communication configuration with a modem is shown in Figure When using a modem, each Hydran Ti can be set to either one of the two following modes in the Communication submenu; Page Local Network Installation This Section pertains to Hydran Ci Controllers equipped with an internal modem optional, available from General Electric.

The Hydran Host software hangs up. Note: The complete list of alarm messages and each corresponding troubleshooting procedure are given in Section Page Alarm Levels High alarm. It is a warning sign and should trigger immediate operator action according to standard utility procedures. The fail alarm warns the operator that the Hydran i System is not functioning properly.

Page Purpose Of Hourly And Daily Trends Detection of hourly and daily trend alarm conditions is a unique feature of the Hydran i System that provides early warning of slowly increasing gas level. For example, let us consider a transformer with a ppm gas level and a typical gas High alarm set point of ppm. This feature of the Hydran i System strengthens the security of the alarm system. The fail alarm relay is thus energized NO contacts closed and NC contacts open if no alarm condition is detected.

Page Alarm Interface When an alarm is triggered, the following actions are generated: 1. For example: Gas H;ppm the gas level exceeds the gas High alarm set point, which is currently To turn it off, you must press the corresponding push-button; Page Before setting these alarm set points, the readings of the Hydran i System should be monitored over a minimum period of two weeks.

Page Guidelines For Setting Trend Alarms Increasing the period decreases the normal fluctuations of the readings, but increases the response time. The Hydran Ti is a small on-line early warning transmitter. It is permanently mounted on the transformer and will provide personnel with a single reading in ppm of a composite value of various fault gases to alert them to a potential issue. This value can be downloaded and alarms can be set at pre-determined levels to alert personnel and enable monitoring of the developing fault condition.

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