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Evikon PluraSens E2638-HFC, User Manual

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Evikon PluraSens E2638-HFC User Manual Download Page 15

E2638-HFC

Rev 21.06.2021

Delivery set

●

Detector-transmitter E2638

●

Mounting accessories:

○

4 screws with plastic dowels

○

Fixing clamp for remote probe version

Order code for E2638-HFC options

E2638 options

Order code

Remote probe, 3 m cable

E2638-HFC-RP33-3

Remote probe, 10 m cable

E2638-HFC-RP33-10

Duct mount option, stem Ø35×L230 mm

E2638-HFC-DM

Integrated 24 VAC power supply module

E2638-HFC-24VAC

Integrated 90...265 V mains power supply module

E2638-HFC-230

Local LCD single value display 36 mm x 72 mm

E2638-HFC-LCD

Remote LCD single value display, wall mount box
115 × 65 × 40mm, 3 m cable

E2638-HFC-RLCD3

Two SPST relays

E2638-HFC-R

Two LEDs (visual alarm)

E2638-HFC-LED

Buzzer (acoustic alarm)

E2638-HFC-B

Self-test button for relays

E2638-HFC-TB

Integrated coreless micropump

E2638-HFC-MP

15

Summary of Contents for PluraSens E2638-HFC

Page 1: ...PluraSens Refrigerant Detector Transmitter E2638 HFC User Manual ...

Page 2: ...ndling 10 Gas sensor replacement procedures 10 Electrical connections 11 Correct and incorrect cabling for 24 VAC 13 Operation 14 Maintenance 14 Calibration 14 Delivery set 15 Order code for E2638 HFC options 15 Configuring 16 Return to default settings 16 Modbus RTU Communication 17 RS485 communication interface 17 Communication parameters 17 Modbus holding registers 17 Warranty 22 Manufacturer c...

Page 3: ...he environment Now hydrofluorocarbons are the most commonly used halocarbon refrigerants Hydrofluoroolefins HFO is the last generation of refrigerants more environmentally friendly than HFCs but moderately flammable A2L Class Properties of selected halocarbons Name Type Components Components weight Boiling point R12 CFC CCl2F2 100 29 8 C R22 CFC CHClF2 100 40 8 C R125 HFC CHF2CF3 100 48 5 C R134a ...

Page 4: ...021 asphyxiation in confined spaces At higher temperatures 250 C decomposition products may include hydrofluoric acid HF and carbonyl halides An escape of refrigerant through a leak may damage the refrigerating facilities 4 ...

Page 5: ...No galvanic isolation Cable connections Screwless spring loaded terminals Enclosure Grey ABS wall mount protection class IP65 Dimensions H90 W145 D55 mm overall dimensions H140 W145 D55 mm CE marking According to 2014 30 EU and 2014 35 EU EN 50491 4 1 2012 EN 61000 6 3 2020 EN 61326 1 2013 EMC emissions EN 61000 6 1 2019 EN 61000 6 2 2019 EMC Immunity EN 60079 29 1 2016 EN 60079 29 2 2015 and EN 6...

Page 6: ...HIGH set 500 ppm release 400 ppm Signalling options Visual Red and green LEDs Acoustic alarm Buzzer 85 dB LCD indicator option Operating temperature 0 50 C Display dimensions 72 36 mm Number of digits 3 5 7 segment Character height 14 mm Other features Backlight Other options Remote probe Protection IP65 default cable length 3 0 m max height 80 mm max diameter 65 mm 6 ...

Page 7: ... power supply module LCD indicator Remote probe The version of your device is marked on the package If the symbol is marked on the equipment consult the documentation for further information Safety requirements Misuse will impair the protection of the product Always adhere to the safety provisions applicable in the country of use Do not perform any maintenance operation with the power on Do not le...

Page 8: ...r leakage detection Properties of the space under investigation room geometry direction and velocity of airflows etc Halocarbons are heavier than air and tend to sink The sensor should be placed near the floor The device should be accessible for maintenance and repair The aforementioned conditions above will affect the coverage area of the device however the coverage area for a transmitter is usua...

Page 9: ...E2638 HFC Rev 21 06 2021 Mounting dimensions Front view Bottom view 9 ...

Page 10: ...a new filter into the cap and tighten it again NOTE Never stab or press the filter near its center where the sensor is located since this may damage the sensor Do not remove the filter as it may cause the device to show incorrect values and or break the sensor The recommended orientation of the sensor probe is vertical with the sensor tip pointing downwards This prevents the possible accumulation ...

Page 11: ...wer supply and of the external devices Without turning on the power plug the power cable and connect the analog relay outputs and or digital interface terminals to the necessary devices according to the relevant connection diagram Version with PSU and relays Version with PSU and without relays Version without PSU and with relays Version without PSU and relays 11 ...

Page 12: ...a wide range of wires with a cross section of 0 2 1 5 mm2 We recommend striping the wire end by 8 9 mm and using wire end sleeves To connect the wire insert the wire end into the terminal hole To disconnect push the spring loaded terminal lever pull the wire out and release the lever Use a twisted pair cable e g LiYY TP 2 2 0 5 mm2 or CAT 5 to connect the device to the RS485 network A and B on the...

Page 13: ...the Specifications table To power the instrument from an external power source connect terminals 0V and U to the source If the integrated mains power supply module is used connect terminals L and N to the mains NOTE Actuator short circuits should be avoided to protect the instrument relays use external fuses or safety switches Correct and incorrect cabling for 24 VAC 13 ...

Page 14: ... pulses Normal operating measurement Continuously on or off Make sure that the detector transmitter is properly mounted the external devices connected power LED green on and control LED red constantly lit Place the lid back and fix it with the screws The device is ready to use Maintenance Do not perform any maintenance operation with the power on Clean the device with a soft damp cloth Do not use ...

Page 15: ...0 Duct mount option stem Ø35 L230 mm E2638 HFC DM Integrated 24 VAC power supply module E2638 HFC 24VAC Integrated 90 265 V mains power supply module E2638 HFC 230 Local LCD single value display 36 mm x 72 mm E2638 HFC LCD Remote LCD single value display wall mount box 115 65 40mm 3 m cable E2638 HFC RLCD3 Two SPST relays E2638 HFC R Two LEDs visual alarm E2638 HFC LED Buzzer acoustic alarm E2638 ...

Page 16: ...exible setting of analog output scales for each output Output zero and slope adjustment for calibration Free assignment of each of two relays to the chosen parameter Several relay control logic modes Switch delays and minimum on off state durations for each relay The output scales can be changed by Modbus commands by using the configuration software and the standard configuration kit see Modbus RT...

Page 17: ...ple registers 06 Write a single register Error codes 01 Illegal function 02 Illegal data address 03 Illegal data value 04 Slave device failure details of last error 04 can be read from register 0x0008 Modbus holding registers Register addresses are shown 0 based Address in hexadecimal Reg in decimal format Modbus holding register numbers MHR are shown in the decimal 1 based format and may be addre...

Page 18: ...RW Zero adjustments for gas data ADC 32000 32000 ADC units 0 0x00A6 166 40167 RW Slope adjustment for gas data 1 65535 512 0x00A7 167 40168 RW Change rate limit for gas units s 1 32000 0 no limit 0 0x00A8 168 40169 RW Integrating filter time constant s 1 32000 seconds 0 no filter 0 Address Reg MHR RW Description Supported values dec Default 0x00C9 201 40202 RW Parameter tied to analog output 1 0 N...

Page 19: ... 40215 RW Forced state for relay RE2 0 off 1 on 0 0x00D7 215 40216 RW Switching delay for relay RE1 0 1000 s 0 0x00D8 216 40217 RW Switching delay for relay RE2 0 1000 s 0 0x00D9 217 40218 RW Minimal on off time for relay RE1 0 1000 s 0 0x00DA 218 40219 RW Minimal on off time for relay RE2 0 1000 s 0 Address Reg MHR RW Description Supported values dec Default 0x00DB 219 40220 RW Control logic for ...

Page 20: ...65535 gas units see Specifications 0x00FF 255 40256 RW Sensor analog outputs LED and buzzer status bit 0 0 1 sensor present absent RO bit 1 0 1 analog outputs deactivated activated bit 2 0 1 in case the sensor is absent turn signaling off on analog output1 bit 3 0 1 in case the sensor is absent turn on signaling with low current high current on analog output1 if bit 2 0 this bit will be ignored bi...

Page 21: ...tput 1 32000 32000 gas units User defined 0x0106 262 40263 RW 100 value for analog output 1 32000 32000 gas units User defined 0x0107 263 40264 RW 0 value for analog output 2 32000 32000 gas units User defined 0x0108 264 40265 RW 100 value for analog output 2 32000 32000 gas units User defined The new value is applied after restart Broadcast slave ID 0 can be used to assign a new ID to the instrum...

Page 22: ...Manufacturer will at its option either repair or replace a product that proves to be defective This warranty is void if the product has been operated in conditions outside ranges specified by the Manufacturer or damaged by customer error or negligence or if there has been an unauthorized modification Manufacturer contacts Evikon MCI OÜ Teaduspargi 7 9 Tartu 50411 Estonia info evikon eu www evikon ...

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