HITROL HTMF-MF Instruction Manual Download Page 12 | Manualshive

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Doc. no. : HTMF_Kor_2016, Rev. 0

Issued date : 2016. 11

HITROL Co., Ltd

8. Appendix

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Summary of Contents for HTMF-MF

Page 1: ... HITROL Co Ltd HITROL CO LTD HEAD OFFICE FACTORY R D INSTITUDE HITROL CO LTD 141 Palhakgol gil Jori eup Paju si Gyeonggi do Korea TEL 00 82 31 950 9700 FAX 00 82 31 950 9796 9799 www hitrol com INSTRUCTION MANUAL Thermal Dispersion Type Flow Transmitter HTMF ...

Page 2: ...ntents 1 Overciew 3 1 1 Operating Principles 1 2 Specification 1 3 Terms and Definitions 1 4 Composition 2 Test Preparations 5 3 Wiring for Functional Test 5 4 Checkpoints for Functional Test 6 5 Procedures for Functional Test 8 6 Precautions 9 7 Installation Method 10 8 Appendix 12 ...

Page 3: ...n the fluid temperature When flow occurs in the fluid the temperature measured by the active sensor drops which generates temperature difference T between the reference sensor and the active sensor The flow element converts T into resistance element R from the reference RTD and the active RTD and sends R to the flow transmitter The flow transmitter calculates mass flow and volume flow from R and i...

Page 4: ... and reference sensor respectively They are sensors for measuring temperature of heaters and air respectively 1 3 7 Ra and Rr They refer to resistance values of Sa and Sr respectively 1 3 8 ΔR This refers to the difference between Ra and Rr Ra Rr ΔR 1 3 9 PWM PWM stands for pulse width modulation 1 3 10 Loader HHT 2000 This is an external terminal device that displays the values of the F T and ena...

Page 5: ...board for facilitating calculation by the microprocessor 1 4 2 4 Main Board This board receives data from the input boards calculates the data and sends them to the output board 1 4 2 5 Output Board This board receives digital data from the main board and converts them to analog data 4 20 mA for transmitting them outside the F T 2 Test preparations 2 1 HTMF MF 1 set 2 2 Multimeter 1 EA for checkin...

Page 6: ...nect the sensors 1 Connect Sr1 to the terminals R1 1 R1 2 and R1 C of the terminal block 2 Connect Sa1 to the terminals A1 1 A1 2 and A1 C of the terminal block 3 Connect San to the terminals An 1 An 2 and An C of the terminal block 3 8 3 Connect the digital multimeter to the terminals O1 1 and O1 2 of the terminal block 4 Checkpoint for Functional Test 4 1 Check the testing instruments 4 2 Check ...

Page 7: ...ut calibration Check that proper output is measured by the multimeter connected to the output terminals 1 PWM1 04 mA Check that the indicated value at the multimeter connected to the output terminals of the terminal block is 4 mA 0 1 When the value is beyond the range adjust the counter value of the PWM1 04 mA Mode that is indicated in the loader press ENT and check the indicated value 2 PWM1 20mA...

Page 8: ...sion type F M 5 3 After the wiring is completed enter the value of the performance test report by using the decade resistance box 5 3 1 Initial resistance of the Sr 1 000 00 Ω 5 3 2 Initial resistance of the Sa 1 150 00 Ω 5 4 Apply power of 120 VAC 60 Hz and allow warm up for no shorter than 20 minutes before the functional test 5 5 Check the condition of the main board 5 5 1 Check that the Run LE...

Page 9: ...The user should place a washer between each bolt and nut to prevent loosening 6 3 3 When fastening flanges to each other gaskets should be used 6 3 4 The power should be supplied when the installation has been completed and the cover has been fastened 6 4 Error lamp 6 4 1 Open error When Open Error is indicated on the DSP recheck wiring for disconnections 6 4 2 Short error When Short Error is indi...

Page 10: ...rt the sensor bracket into the user piping line 7 1 2 Check flow direction and fasten it with bolts and nuts 7 1 3 Check flow direction of the sensor as shown below and insert it into the bracket 7 1 4 Fasten the sensor with bolts and nuts same as bracket 7 1 5 In case of separation perform the above method in reverse order Figure1 Figure2 Figure3 ...

Page 11: ...ld the bolt to the duct before inserting the product See Figure 4 below 7 2 2 After inserting the product fasten it with bolts and nuts 7 2 3 Insert the product into the lower part with mounting hardware and fasten the bolts and nuts to the duct 7 2 4 In case of separation perform the above method in reverse order Figure 4 ...

Page 12: ...Page 12 12 Doc no HTMF_Kor_2016 Rev 0 Issued date 2016 11 HITROL Co Ltd 8 Appendix ...

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