DEZEGA P-70i User Manual Download Page 13 | Manualshive

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DEZEGA

Р-70i

13

•

Disconnect the plug of the face piece connector by pulling along the axis of the fitting.

Oxygen distribution unit

•

If it is necessary to carry out the maintenance of the oxygen distribution unit, unscrew the

captive screw using a screwdriver and disconnect the unit from the body of the breathing

apparatus, the sensor cable from the connector of electronic module. If the breathing

apparatus is equipped with a device for connecting breathing apparatus via medium

pressure, then disconnect the line connected with the corresponding tee.

CAUTION!

It is allowed to set, maintain or repair the oxygen distribution unit by DEZEGA or accredited by DEZEGA

personnel only.

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Summary of Contents for P-70i

Page 1: ...COMPRESSED OXYGEN CLOSE CIRCUIT SELF CONTAINED BREATHING APPARATUS P 70i User manual EN SKTB 01 P70Y 00 00 000 РЭ Red 18 07 2022_V1 ...

Page 2: ...COMPLIES WITH IS 10245 PART 1 1996 REAFFIRMED 2006 EN 60079 0 2018 EN 60079 11 2012 Eх I M1 Ех ia I Ma T4 Tamb 20 C to 60 C ...

Page 3: ... 22 12 WORKING IN THE BREATHING APPARATUS 24 13 POSSIBLE PROBLEMS AND TROUBLESHOOTING OF THE BREATHING APPARATUS 28 14 RULES OF STORAGE AND TRANSPORTATION OF THE BREATHING APPARATUS 30 15 MANUFACTURER S WARRANTY SERVICE LIFE 30 16 DISPOSAL 31 ANNEX 1 SPARE PARTS AND ACCESSORIES SUPPLIED BY THE MANUFACTURER ON REQUEST SEPARATE ORDER 32 ANNEX 2 RECOMMENDATIONS FOR PERFORMING A QUICK CHECK OF THE APP...

Page 4: ...el are permitted to inspect repair and service the product as detailed in these user manual Further maintenance work that is not detailed in these manual for use must only be carried out by DEZEGA or personnel qualified by DEZEGA In case of violations in the maintenance repair or service specified in the current User manual the owner or the user of the breathing apparatus shall bear full responsib...

Page 5: ...en with a minimum degree of purification of 99 5 by volume the absorption cartridge is filled with an absorber the breathing apparatus is regularly serviced and checked in accordance with this Manual the user has no beard and the mask fits tightly to the skin of the face NOTE Actual NWD for a particular user may differ from the nominal NWD due to the impact of various factors The actual NWD may be...

Page 6: ...through a constant flow dosing valve At an increased breathing frequency an additional amount of oxygen is fed through the demand valve or the manual bypass valve The breathing mixture heated by the regeneration reaction and cools down in the separator and cooler In order to reduce the temperature of the inhaled gas mixture and thereby minimize the user s discomfort and as well as during work at a...

Page 7: ...17 LP Sensor EMD 18 exhalation valve 19 exhalation hose 20 frame 21 crosstop s lever 22 crosstop s lever retainer Lid cover and the mask are not shown The list of spare parts and accessories supplied by the manufacturer as an option by separate order is given in ANNEX 1 The information about the electronic measuring device EMD which is an integral part of the breathing apparatus is shown in ANNEX ...

Page 8: ... be carried out in designated premises with the use of calibrated verified equipment DANGER To avoid serious injury or death never allow contact of compressed oxygen with oil grease or similar organic pollutants This may lead to an explosion or a fire 6 BREATHING APPARATUS DISASSEMBLY CAUTION The semi knock down disassembly of the breathing apparatus must be carried out without the use of tools ex...

Page 9: ...it Hold the cylinder by valve and take it out by moving aside from oxygen distribution unit With the help of another hand move the nut of oxygen distribution unit away from the valve by squeezing the spring CAUTION Do not use tools to disconnect the cylinder Only manual disconnection of the oxygen cylinder is allowed Breathing system The breathing system contains breathing hoses inhalation and exh...

Page 10: ...reathing apparatus NOTE The inhalation and exhalation breathing bags have two flanges each where the clips are located on the relevant mating fitting In day to day operation the bags are secured to a crosstop s slat where a lever is mounted The inhalation and exhalation bags have relevant markings that correspond to the markings on the slat which prevents their incorrect installation Remove the ho...

Page 11: ...vers of inhalation and exhalation valve locks inside the case Remove the exhalation valve together with the relief valve by pulling it towards you inside the case For easier removal rotate the exhalation hose fittings around the valve fitting Separate the body of the exhalation valve and relief valve by pulling along the axis of fitting connecting them To remove the low pressure sensor unscrew the...

Page 12: ...ply and demand valve from the oxygen distribution unit or from the tee connecting breathing apparatuses via medium pressure Plug their holes by connecting connectors between each other located at the ends of the tubes Release the locking springs located near the places of installation of inhalation and exhalation valves that hold the frame on the body of the breathing apparatus Pull the frame out ...

Page 13: ...using a screwdriver and disconnect the unit from the body of the breathing apparatus the sensor cable from the connector of electronic module If the breathing apparatus is equipped with a device for connecting breathing apparatus via medium pressure then disconnect the line connected with the corresponding tee CAUTION It is allowed to set maintain or repair the oxygen distribution unit by DEZEGA o...

Page 14: ... Rinse parts of the breathing apparatus in warm clean water Completely rinse all detergent residues from all parts of the breathing apparatus Disinfection To disinfect place the breathing system units into DEZEGA disinfectant Determine the concentration of the solution according to the disinfector s instructions CAUTION Prolonged treatment and high disinfectant concentrations can damage parts of t...

Page 15: ...Filling of absorption cartridge CAUTION The absorption cartridge must be filled with DEZEGA D SORB CO2 absorber only Using of other soda lime may damage the breathing apparatus components and affect for the working duration and protection properties Fill the cartridge by the following Install the tamper on filling neck of the cartridge by screwing the nut Remove the cover from tamper and pour the ...

Page 16: ...st correspond to the values given in the graph below for different temperatures 60 50 40 30 20 10 0 10 20 t o C 24 2 МPа 23 1 МPа 21 0 МPа 19 0 МPа 22 0 МPа 20 0 МPа 17 9 МPа 16 9 МPа 15 8 МPа The deviation of pressure from the specified values by no more than 1 0 MPa is permitted Gas temperature in the cylinder is considered as an equal to the ambient temperature if the cylinder has been kept at ...

Page 17: ...ator Place the cooling element into the cooler of the breathing apparatus before work if the path to the high temperature zone takes no more than 30 min Otherwise it is recommended to carry the ice cubes in a thermos bag The effective time of water ice elements depends upon environmental conditions and the intensity of the user s work in a breathing apparatus so the required amount of ice cubes ma...

Page 18: ...The choice of the desired hole on the case is determined by the anthropometric data of the user To do this insert the tab into the hole and push it into the body until it stops Without releasing it turn it a quarter of a turn so that the spring tab on the plate fits into the corresponding slot on the casing of the breathing apparatus Oxygen distribution unit If the oxygen distribution unit is dism...

Page 19: ...e Position them appropriately and mount them on the frame In this case the valve fitting must enter coaxially into the inhalation hose fitting and the lung demand valve s body with side walls should pass between the frame protrusions until it stops Next turn the locking bracket to fix them Lay the hose coming from the lung demand valve and the constant supply hose along the right side of the body ...

Page 20: ...paratus test set DEZEGA CheckUp When adjusting the breathing apparatus it is recommended to set the average values for each parameter and to set the tightness parameter close to zero A detailed description of the breathing apparatus check method is provided in the documentation for the respective control device It is recommended to check individual parameters in the sequence shown below Place the ...

Page 21: ... corresponding reccord in the audit log Bypass oxygen supply CAUTION During the inspection and adjustment the cylinder pressure must be 20 0 1 0 MPa Disconnect the relief valve by disconnecting a сrosstop s lever and frame and then open the cylinder valve Press the bypass button and determine the oxygen flowrate using the control unit Repeat the test at cylinder pressure of 3 4 MPa If the value of...

Page 22: ...s on a solid horizontal surface with the harness system upwards or put it on the ground in front of yourself with the harness system away from you Put the breathing hoses on the protective case Untie the waist belt on the breathing apparatus lose the tension of the end and shoulder straps EMD CU must be fixed on the shoulder shock absorber in the appropriate socket seat Slide your arms into the sh...

Page 23: ...types of facepiece is strictly prohibited NOTE To clean transparent parts of full face masks prevent visor from fogging and get the antistatic properties of surfaces DEZEGA CLEAR VISION Antifog should be used Strengthen the external electronic module CU on the left shoulder shock absorber with the appropriate fastener Remove the face piece connector plug and connect the hoses to the mask While doi...

Page 24: ...thing apparatus or to another SCBA DANGER High CO2 levels in the breathing gas can cause severe damage of the body and even lead to death In case of a malfunction or failure of the breathing apparatus and the impossibility of eliminating it immediately stop the work and leave the irrespirable environment Working in the breathing apparatus that involves significant physical activity properly measur...

Page 25: ...rately Do not exceed the prescribed duration of work in the breathing apparatus Working in high temperature conditions above 26 C the use of cooling briquettes is the must The breathing apparatus design enables replacing of the cooler with the cooling element without doffing from the breathing apparatus To do this move the breathing apparatus in front of you holding it by a protective case over yo...

Page 26: ...s must be used by only one user if a change of the user is made then the breathing apparatus should be disinfected In case of work terminated before the exhaution of the oxygen in cylinder further work using the breathing apparatus is allowed only within 24 hours after the first donning Charged breathing apparatus under storage should be checked on the control device once every 6 months The breath...

Page 27: ...l inspection of the medium pressure hose The leaktightness is checked by immersing the hose in water in the presence of a working pressure of oxygen coming from the attached breathing apparatus The service life of the medium pressure hose is at least 10 years DANGER It is forbidden to install a new oxygen cylinder without re charging of the absorption cartridge or replacing to the disposable one T...

Page 28: ...or kinking of the hose Inspect the hose eliminate the cause of possible pinching If you fail to eliminate the cause switch to another breathing apparatus and leave the area that is not suitable for breathing Freezing of breathing valves to seats at low temperatures Switch to another breathing apparatus Leave the environment that is not suitable for breathing Frostbite of high pressure channels at ...

Page 29: ...n from the cylinder through the valve to the breathing apparatus system Use the soap solution bubble test to check the airtightness of the saddle shut off by a stop valve of the cylinder if necessary replace the cylinder with the valve Non tight cylinder valve suction through the gland seal Replace cylinder with the valve Continuous oxygen supply is above the standard Oxygen leakage through the em...

Page 30: ...s 15 MANUFACTURER S WARRANTY SERVICE LIFE The manufacturer guarantees that the breathing apparatus meets the requirements of specifications and the User Manual in case of following the rules of transportation storage and the operation specified herein The warranty period is 5 years from the time of the commissioning The service life is 20 years The allowed period of storage of the breathing appara...

Page 31: ...technical documents of the countries where the breathing apparatus is used Further information can be obtained from local administrative agencies Disposal of components The disposal of units and parts of the breathing apparatus must be carried out in accordance with the requirements of the regulatory and technical documents of the countries where the breathing apparatus is used The procedure for t...

Page 32: ... 00 010 Electronic Measuring Device 19 00 010 18 SKTB 01 Р70 19 04 080 LP Sensor 19 04 080 19 SKTB 01 Р70 19 15 010 USB Bluetooth bridge 19 15 010 20 SKTB 01 P70 21 00 000 Cooler 21 00 000 21 SKTB 01 P70 22 00 000 Absorption cartridge 22 00 000 22 SKTB 01 P70 29 00 001 Special wrench 29 00 001 23 SKTB 01 P70 29 00 003 Screwdriver 29 00 003 24 SKTB 01 P70 29 02 000 Compactor 29 02 000 25 SKTB 01 P7...

Page 33: ...e all the way Turn the flywheel valve by 180 to the opposite side The initial filling of the breathing bags should be audible Check that the demand valve is operating by inhalation from the breathing system and exhalation outside while pulling back the edge of the mask Serviceability of the bypass Press the bypass button The sharp sizzling sound that occurs as a result of the oxygen being fed into...

Page 34: ...CU and SU Battery PP3 size 9V battery PC a personal computer PC Software PC Software that communicates with EMD of the P 70і apparatus USB Bluetooth bridge a USB Bluetooth interface converter that connects to a PC The event log an area in external non volatile storage containing the sequence of records Recording a data block containing information about one measurement Session the time interval be...

Page 35: ...s of the EMD are given in table 2 2 1 Table 2 2 1 Parameter name Unit of measurement Value Basic parameters 1 Ambient temperature for operating conditions of application С From 20 to 60 2 Humidity 100 3 Atmosphere pressure kPa from 70 to 125 4 The degree of protection of shells IP67 5 Impact loads As per par 7 3 4 EN145 6 Surface resistance of materials with antistatic requirements SU CU cable pro...

Page 36: ... range C From 30 till 85 Frequency band GHz From 2 402 till 2 480 Number of channels pcs 39 Sensitivity in receiving mode dBm 92 5 Transmit Gain dBm From 19 0 till 7 5 Power is supplied from a battery PP3 size with a nominal voltage of 9 V Average power consumption is 30 mW pulse power 300 mW EMD has two three color LEDs to indicate the active state of EMD and breathing apparatus P 70і EMD provide...

Page 37: ... apparatus The SU CU cable is designed for sealing the electrical cable connection between the CU and the CU and its mechanical protection against breakage and damage Sealing is carried out at both ends of the cable with rubber seals A special six wire unshielded cable provides the electrical connection The CU is connected to the CA using the SU CU cable which is rigidly attached to the body of th...

Page 38: ...easurement and processing of physical quantities 4 the status of EMD and user s condition 5 real time 6 performs RFID identification of the user 7 working team condition Sensor unit SU is located under the protective cover of the P 70і breathing apparatus It is mechanically fixed in the P 70і case with a detachable connection HP LP and SU Sensors are connected to the SU using connectors The LP Min...

Page 39: ...e HP Sensor is controlled from the CU via the I2C interface through a repeater installed in the SU LP Sensor The LP sensor is built into the breathing circuit mounted on the exhalation valve via a threaded connection and O ring ensures the tightness of connection The design of the LP Sensor provides a reliable and unambiguous detachable connection with SU rigid mechanical fixation in the Oxygen Di...

Page 40: ... with the breathing apparatus CAUTION The use of batteries not listed in Table 2 3 5 is prohibited RFID tag The RFID tag is used to identify the user To identify the user Install an RFID tag in the slot located in the upper part of the rear side of CU see Figure 2 3 1 While working with the P 70і breathing apparatus the RFID tag must be always placed in CU The design of the RFID tag ensures its se...

Page 41: ... designation of the connector for connecting to the НР Sensor LP designation of the connector for connecting to the LP Sensor BATTERY designation of the battery compartment battery polarity marking indication of movement direction of the battery compartment lid to the open closed position the manufacturer s trade mark the designation of the SELECT button the designation of the ENTER button the des...

Page 42: ...of the cylinder with the subsequent transition to the POWER_WORK mode User identification Reception of the database of the working group EMD in the apparatus of the team member Implementation of communication with PC Event logging 2 Called by user Testing the tightness of the breathing circuit Testing the tightness of the high pressure circuit Detection an indication of user ALARM Cancel custom AL...

Page 43: ...he battery Capacity of the battery Graphic 3 Functional description of the ENTER button The button switches the EMD to TEAM mode of creating or viewing information a working group Graphic 4 Cylinder Pressure indicator in cylinder НР Graphic 5 Temperature of the ambient temperature Т 40 С green thermometer Т 40 С red thermometer Graphic 6 Real time Real date and time is shown in format YYYY MM DD H...

Page 44: ...t the EDM will automatically conduct the test The end of the testing process is accompanied by short beeps and the message Close cylinder on the screen attracting the user s attention until the cylinder valve is closed In case of a positive test result the high pressure circuit is sealed the message Test passed is displayed on the screen with a short beep as well as the calculated parameters NWD a...

Page 45: ...d to create a database hereinafter referred to as a database of a working group It is generated by the team leader s apparatus and then sent to all devices in the group via a Bluetooth channel Identifiers are read by the team leader s apparatus by successively inserting the RFID tag into the commander s apparatus Thus the team leader s apparatus generates a working group database in the non volati...

Page 46: ...GO ON or the commander s device issues a list of team members from the group who were not detected It is possible to cancel the procedure SELECT button which will entail the transition to the previous step in the case of the formation of a working group database a preparation session And also if not all members of the group are found accept the composition in an abbreviated form and continue work ...

Page 47: ...10 Battery capacity and battery voltage 7 O2 kPa min 0 Oxygen consumption 8 OVZD min 120 Value of NWD 9 V U O M L E H Events that caused ALARM WARNING V low battery level U user caused O value of NSW is below the limit M immobilization L no breathing when the balloon is open E ambient temperature rise H low pressure in the cylinder If the letters are displayed in white on a black background ALARM ...

Page 48: ...d by the user Distribution of team leader in the group EMD in the team leader s apparatus Detection an indication of user ALARM Cancel custom ALARM 3 5 Operation of EMD in POWER_WORK mode The transition to POWER_WORK mode is performed automatically from the POWER_ON mode by opening the cylinder valve Screen view in POWER_WORK mode is shown in Figure 3 5 1 1 Functional description of the SLEEP butt...

Page 49: ...ormat ХХХYYY where ХXX Integral pressure value YYY dimension Bar or MPa or Атм or Psi depending up on the settings On default pressure is shown in Bar Pressure 125 Bar оdisplayed in green 11 125 Bar yellow color 10 Bar red color Text 8 Residual NWD Value of residual NWD is displayed in format ХХХYYY where ХXX Intehral NWD in miuntes YYY designation min Text 9 Group status indicator When RFID tag i...

Page 50: ...otocol tab In the Manage Connection group panel click the Search button Further searching for available EMD within the range of Bluetooth channel is automatically performed Following the prompts of the software select the required EMD and connect to it After selecting the required command using the group panels Groups of commands and Command and pressing the Start button the selected command is tr...

Page 51: ... Table 3 6 4 No Parameter Description 1 ERROR_DATA System errors 2 Tenvironment C Ambient temperature 3 TsensorHP C HP sensor temperature 4 TsensorLP C LP sensor temperature 5 HP Bar High pressure 6 LP kPa Low pressure 7 Acceleration m s2 RMS acceleration along X Y Z axes 8 bt_role Bluetooth mode 9 BatteryVoltage V Voltage of main battery 10 BatteryCapacity residual capacity of the main battery 11...

Page 52: ...WD Residual working duration 20 ParamEWD Calculation parameter of NWD 4 Technical maintenance 4 1 No special maintenance is required 4 2 Repair of the EMD must be carried out by DEZEGA or DEZEGA accredited personnel 5 Storage and transportation All types of covered transport can transport EMD Limiting conditions of transportation Ambient air temperature from minus 50 С to plus 70 С Relative humidi...

Page 53: ...re special disposal methods 7 Manufacturer s warranties The manufacturer guarantees the conformity of the EMD with this user manual only in case the user follows the conditions of operation storage and transportation specified in this user manual and the safety of operation manual and the manufacturer s marks The warranty period of operation is 18 months from the date of commissioning but not more...

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