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Temperatur Control Technology 
www.hb-therm.ch 

 

M8100-EN   2018-03 

1/8

 

 

 

2018-03 

 

Page 

Assembly Instructions  M8100-EN 

 

Spare part flow rate measuring board DFM-51 (O/ID T25605) 

 

 

  

Purpose 

  

Replacement of flow rate measuring board DFM-51 (A 9) 

  

Precondition 

      

 

WARNING! 
Danger for unauthorized persons! 

Conversion work may only be carried out by 
specialist staff who have been trained accordingly. 

Therefore: 

–  Keep unauthorized persons away from the work 

area. 

   

 

   

 

NOTE! 

Knowledge of the Instruction Manual is a 
precondition for carrying outconversion work on the 
unit. 

   

 

  

Procedure 

      

 

DANGER! 
Danger to life caused by electric current! 

Touching conductive parts causes a direct danger 

to life. 

Therefore: 
–  For all work on the electrical system, for 

maintenance, cleaning or repair work, 
disconnect from the mains or disconnect all 
phases of the external power supply and secure 
them against being switched on again. Check 
unit is isolated from power supply. 

   

 

  

 

 

WARNING! 
Danger of crushing due to rolling away or 
tipping 

With an uneven floor or when the castors are not 
locked, there is a danger that the unit tips over or 
rolls away causing crushing. 

Therefore: 
–  Only install the unit on an even floor. 
–  Ensure that the castors are locked. 

   

 

Summary of Contents for T24693

Page 1: ...on for carrying outconversion work on the unit Procedure DANGER Danger to life caused by electric current Touching conductive parts causes a direct danger to life Therefore For all work on the electri...

Page 2: ...1 Front side of the evaluation unit Fig 2 Rear side of the evaluation unit 4 Proceed as follows in order to remove the cover of the evaluation unit Remove screws Label 1 Fig 1 Detach screws Label 2 F...

Page 3: ...o the keyboard and attach the cover Attach screws Label 1 Fig 4 Tighten screws Label 2 Fig 5 7 Connect control cable to ext flow rate meter Flow 5 8 Reconnect mains plug and switch on main switch 9 Sw...

Page 4: ...configuration 10 Proceed as follows to assemble the new printed circuit board DFM 51 A 9 Change to the next screen page with the key Configure ext flow rate meter information on the rating plate Selec...

Page 5: ...et corresponding parameter Flow rate ext 1 8 Calibration at Service Calibration Flow rate external 1 to 4 or Service Calibration Flow rate external 5 to 8 to ON The flow rate is calibrated automatical...

Page 6: ...fected e g A1 with the or buttons Set parameter Flow rate calibration at Service Calibration Flow rate to ON The flow rate is calibrated automatically Only in the case of water devices If present set...

Page 7: ...if necessary the temperature sensor With a constant deviation set parameter Sensor offset under Service Calibration Temperature With a linear deviation set parameter Sensor asc cor under Service Calib...

Page 8: ...M8100 EN 2018 03 8 8 Parts list Pos Description O ID Pcs 01 Flow rate measuring board DFM 51 T24693 1 02 Assembly instructions German M8100 DE 1 03 Assembly instructions English M8100 EN 1 04 Assembly...

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