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CKD WFK2-005 Manual Download Page 17

14

WFK2 

Series

 

When installing piping, align the fluid flow direction 

to the direction marked on the body. Connecting 

the pipe in the wrong direction prevents correct 

measurement of the flow rate.

 

Before installing piping, clean the pipes to remove 

foreign matter, cutting chips, residual testing water, 

etc.

 

Make sure that no force is applied to the resin parts 

when piping.

 

Make sure that the self-weight of the piping is not 

applied to flow rate sensor.

  It may lead to damage or external leakage. We 

recommend that piping be fixed during operation.

 

Make sure that no sealing tape or adhesive enters 

the pipes when connecting the piping.

 

When freezing may occur, take antifreezing 

measures with the devices used, such as draining 

the pipes of water.

 

If there is significant difference between the ambient 

temperature and the fluid temperature, condensation 

occurs, which can enter wiring parts and cause 

operation failure. If condensation should occur, 

ensure that the mounting orientation of the flow rate 

sensor is horizontal and the display is facing upward.

 

When connecting pipes, wrap sealing tape in the 

opposite direction from threads starting 2 mm inside 

from the end of piping threads.

 

If sealing tape protrudes from the pipe threads, it could be 

cut when screwing the bolts in. This could cause the tape to 

enter the valve, causing failures.

 

When using a liquid sealant, make sure it does not adhere 
to resin parts. Otherwise resin parts could be damaged, 

which is dangerous.

Flow direction

 

Use proper torque to tighten the pipes when 

connecting them. 

 

The purpose is to prevent water leakage and screw 

damage.

 

First tighten the screw by hand to ensure that threads are 

not damaged, then use a tool.

 

When mounting piping or fittings to this product, always 

hold the attachment on the mounting side with a tool.

  Holding the body of the product or the attachment on the 

opposite side may lead to damage.

(Recommended values)

Port thread

Tightening torque   N·m

Rc3/8

31 to 33

Rc1/2

41 to 43

Rc3/4

62 to 65

Rc1

83 to 86

Rc1 1/4

94 to 100

Rc1 1/2

104 to 108

Solid/liquid 
sealant

Solid/liquid 
sealant

OK

OK

Summary of Contents for WFK2-005

Page 1: ...CC 1342A Flow Sensor for Water WFK2 Series Diversified and Unrestricted Output Compatible ...

Page 2: ...Temperature 1 2 Integrating flow Instantaneous flow rate 1 2 Temperature 1 2 Integrating flow IO Link model released IO Link is a digital communication standard for factory sensors and actuators IEC61131 9 Parameters and event data that could not be transmitted by analog communication can now be transmitted Features of IO Link Digital signal Permanent monitoring made possible by digital data Param...

Page 3: ...Port size 0 5 10 20 50 100 250 Flow rate range L min Option 5 0 4 1 6 4 8 20 250 100 50 20 Rc3 8 Rc1 2 Rc3 4 Rc1 Rc1 1 4 Rc1 1 2 Manual valve integration for easy flow rate adjustments WFK2 005 WFK2 020 WFK2 050 WFK2 100 WFK2 250 Easy to read 2 screen color liquid crystal display Set values temperature etc can be displayed simultaneously Display screen rotation The liquid crystal display can be ro...

Page 4: ...ge C 0 to 100 Accuracy Less than 50 analog accuracy 2 display accuracy 2 1 digit min display unit 1 50 to 100 analog accuracy 3 display accuracy 3 1 digit min display unit 1 Output Display Two screen LCD display instantaneous flow rate 3 digits water temperature 2 digits integrating flow 5 digits with screen rotation Analog output 3 Standard 0 to 5 VDC 1 to 5 VDC option 4 to 20 mA DC 0 to 10 VDC 1...

Page 5: ...tor cable M12 4 conductor 3 m attached G Option attached bracket Blank None C Attached bracket 3 How to order Example of model No WFK2 005AAAAN AC A Flow rate range 0 4 to 5 L min B Port size Rc3 8 C IO Link analog output Switch analog output 0 to 5 VDC 1 to 5 VDC D Display unit L min L m3 C E Manual valve sensor only F Option standard cable attached G Option attached bracket A Flow rate range B P...

Page 6: ...chment SUS304 2 11 Bracket option SUS304 or SPCC 1 6 Sensor body PPS Resin GF40 1 No Part name Material Quantity No Part name Material Quantity 1 Handle POM Resin 1 7 O ring FKM Fluoro rubber 2 2 O ring FKM Fluoro rubber 1 8 Cock PPS Resin GF40 1 3 Stuffing PPS Resin GF40 1 FKM Fluoro rubber 4 Spacer SUS304 1 9 Attachment SUS304 2 5 O ring FKM Fluoro rubber 1 10 External case PBT Resin GF30 1 6 Co...

Page 7: ... WFK2 1 B 3 N 90 15 Rc1 2 27 WFK2 1 C 3 N 106 23 Rc3 4 32 WFK2 2 D 3 N 106 20 Rc1 46 WFK2 2 E 3 N 125 29 5 Rc1 1 4 50 WFK2 2 F 3 N 132 33 Rc1 1 2 55 WFK2 1 A 3 A 151 15 Rc3 8 24 WFK2 1 B 3 A 151 15 Rc1 2 27 WFK2 1 C 3 A 167 23 Rc3 4 32 1 Select from 005 020 and 050 2 Select from 100 and 250 3 Select from A G and N dimension lines of the G screw and NPT screw are the same Dimensions WFK2 Series M12...

Page 8: ...s 50 kΩ or more Pin No 3 Key groove 4 2 1 Connect to DC power supply minus 0 VDC Select from the I O modes below Connect to DC power supply plus 12 to 24 VDC 10 Select from the I O modes below Cable Connector pin No OUT2 black 4 GND blue 3 OUT1 white 2 V brown 1 Main circuit 1 General Descriptions Details Communication protocol IO Link Communication protocol version V1 1 Transmission bit rate COM2...

Page 9: ... Setting Analog_Flow Analog_Temp Switch_Flow1 Switch_Flow2 Switch_Temp1 Function Mode Output Setting Analog_Flow Analog_Temp Switch_Flow1 Switch_Flow2 Switch_Temp1 Function Mode Output Setting Switch_Temp2 Pulse_Integrated Switch_Integrated External Input Exit Function Mode Switch_ Mode Select NO NC Lower Limit Upper Limit Hysteresis Function Mode Switch_ Mode Select NO NC Lower Limit Upper Limit ...

Page 10: ...utput Setting Response Time NPN PNP Unit Function Mode Output Setting Switch_Temp2 Pulse_Integrated Switch_Integrated External Input Exit Function Mode Output Setting Analog_Flow Analog_Temp Switch_Flow1 Switch_Flow2 Switch_Temp1 Function Mode Output Setting Analog_Flow Analog_Temp Switch_Flow1 Switch_Flow2 Switch_Temp1 Function Mode Pulse_Integrated Pulse Rate L Exit Function Mode Analog_Flow Out...

Page 11: ...lor Peak Hold_Q Peak Hold_T Operating Time Function Mode Span Adjustment Times Exit Function Mode Peak Hold_Q Max L min Min L min Reset Exit Span magnification settings Upper limit value display only Peak hold instantaneous flow rate Peak hold temperature Lower limit value display only Peak hold Reset 2 seconds Press for several seconds 2 seconds Press for several seconds 2 seconds Press for sever...

Page 12: ...grated Switch_Integrated IO Link Function Mode Display Brightness Rotation Update Time Exit Function Mode Color Flow Rate Integrated Flow Temperature Exit Function Mode Color Flow Rate Main Color Changed Color Lower Limit Upper Limit Function Mode Flow Rate Main Color White Green Red Exit Function Mode Flow Rate Changed Color White Green Red Exit Function Mode Color Flow Rate Main Color Changed Co...

Page 13: ...t1 Switch_Flow1 Out1 Switch_Flow1 Out1 Switch_Int Out1 Pulse_Int Reset Key lock Integrated Flow UnLock No Lock Yes Hy 00 0 00 C 00 C 00 C 00 C L min W Hi 00 0 00000 L 000 W Lo 00 0 Selection Return to main screen Display selection Change threshold Change threshold Change threshold Change pulse intervals Reset integration Execute key lock Simultaneously press for 2 seconds Simultaneously press for ...

Page 14: ...fety of all systems related to this product Note that there may be hot or charged sections even after operation is stopped When inspecting or servicing the device turn off the energy source air supply or water supply and turn off power to the facility Discharge any compressed air from the system and note any possible water electricity leakage When starting or restarting a machine or device that in...

Page 15: ...bient temperature is within the specified range do not use this product in a location where rapid changes in temperature can occur Max working pressure Do not use at a pressure exceeding the max working pressure as excessive pressure can cause product failure To prevent the pressure from reaching the max working pressure particularly due to water hammer take the following measures 1 Using a water ...

Page 16: ...d vertically horizontally or in any other orientation Note that pipes should be installed so that the fluid constantly fills the piping while it flows through the pipes When installing a pipe vertically making the fluid flow upward can reduce the influence of air bubbles inside If a pipe is narrowed just before the flow rate sensor or if there is a valve or other restricting component on the prima...

Page 17: ... ensure that the mounting orientation of the flow rate sensor is horizontal and the display is facing upward When connecting pipes wrap sealing tape in the opposite direction from threads starting 2 mm inside from the end of piping threads If sealing tape protrudes from the pipe threads it could be cut when screwing the bolts in This could cause the tape to enter the valve causing failures When us...

Page 18: ...w rate adjustment manual valve forcibly Follow the precautions below for the applicable fluids to be measured If the following water quality standards are not met performance may be compromised The water quality of the applicable fluid should be as per the Guideline of Water Quality for Refrigeration and Air Conditioning Equipment water quality standard cooling system circulating type circulating ...

Page 19: ...g between devices removing concerns about external leakage Entry of foreign matter during operation is prevented Reduces workload Piping design piping work material preparation and other troublesome work reduced significantly Integrated unit for water control WXU Series Catalog No CC 1116A A wide variety of models Sensor type S Series Switch type M Series Sensor Switch type C Series Easy operation...

Page 20: ...SARABURI OFFICE Singapore CKD SINGAPORE PTE LTD No 33 Tannery Lane 04 01 Hoesteel Industrial Building Singapore 347789 Singapore PHONE 65 67442623 FAX 65 67442486 CKD CORPORATION BRANCH OFFICE No 33 Tannery Lane 04 01 Hoesteel Industrial Building Singapore 347789 Singapore PHONE 65 67447260 FAX 65 68421022 India CKD INDIA PRIVATE LTD Unit No 607 6th Floor Welldone Tech Park Sector 48 Sohna Road Gu...

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