Operating Instructions
Contents
1. 3 x 1 5 V AA Mignon or 3 x 1 2 V AA NiCd nickel cadmium or 3 x 1 2 V AA NiMh metal hydride With backlit approx 90 mA Without backlit approx 45 mA Graphic display Resolution 128 x 64 pixel Window approx 43 x 28 mm 4 cursor keys 1 confirmation key 4 function keys 1 ON OFF key Pressure range 10 hPa mbar 0 01 hPa mbar or 0 01 Pa lt 3 of measured value lt 0 3 Pa from 0 to 10 Pa Adjustment via menu and keyboard Buffer for battery change only approx 1 minute Approx 170 x 75 x 35 mm Complete approx 300 g 0 bis 50 C ecom DPH 7 Maintenance Tips To secure the accuracy of your measuring instrument we recommend the annual check by an authorized ecom partner In the case of strong demand e g perma nent several hours of measurement per day rough conditions etc shorter inter vals between checks should be selected please contact your ecom partner All ecom partners are listed under www rbr de Subject to technical changes V1 8 03 2014 rbr Messtechnik GmbH Am GroBen Teich 2 D 58640 Iserlohn Phone 49 0 2371 945 5 Fax 49 0 2371 40305 Internet http www rbr de eMail info rbr de ecom DPH Page 152. The internal pressure sensor should be flown with pressure A after the switch on of the instrument as it is zeroed during switch on procedure After switch on the measurement values T1 and Pres sure will be displayed Use the cursor key lt up gt to se 20 8 lect the measured parameter for the upper value cursor preas key lt down gt for the lower value As measured parame 0 00 Pa ters the temperatures T1 and T2 and the differential pressure in hPa or Pa are available Are for T1 or T2 no temperature sensor connected dashes will appear in the measured value display 1 Before making measurements the instrument must have adapted the ambient temperature A 2 Make sure that the ambient temperature remains constant during measurement AP gt 0 Int 0 Menu 3 1 Zeroing pressure sensor As the difference pressure sensor can drift because of 74 its sensitivity in the zero point it is possible to reset the 20 8 zero point Press lt F1 gt to zero the value of the pressure 0 00 Press sensor Pa AP gt 0 Int 0 Menu 3 2 Display damping The display damping can be adjusted with lt F2 gt from 0 T to 9 0 no damping 9 high damping default 1 In 20 8 the menu Adjustments Param f measurement you Press can adjust if the damping should be progressively for 0 00 Pa large pressure changes the display reacts faster than by small pressure changes default No Page 6 ecom DPH 4 Che
3. pressure after approx 30 sec open window resp connection door and check zero point close window resp connection door after approx 30 sec and check low pressure after approx 30 sec open window resp connection door and check zero point close window resp connection door after approx 30 sec and check low pressure Page 10 ecom DPH Once the measurement time is completed the diagram can be viewed on the display Use cursor keys lt up down gt to emphasize illustration 1x 2x 4x 8x times With the cursor keys lt right left gt the time axis can be adjusted Press lt F1 gt Print to start a print out only with option IR printer 4 3 Differential pressure After calling up the menu point Differential pressure it is possible to make pressure measurements The measured values can be displayed in hPa or Pa switch with lt F3 gt 4 4 Pitot tube After calling up the menu point Pitot tube it is possi ble to make flow measurements with the flow probe Connect the temperature plug of the flow probe to T2 Please take care to marking for flow direction 4 5 Temperature After calling up the menu point Temperature it is possible to make differential temperature measure ments Connect temperature sensor for surfaces and air temperature sensor to T1 and T2 The temperature difference between the two sensors is calculated With lt F1 gt Mode the temperature difference of the two se
4. temperature difference Then the values for air pres z sure external temperature boiler performance and flue gas pipe diameter must be inputted Hereto proceed as Air temperature follows sensor activate respective input window with lt OK gt select the position with the cursor keys lt right left gt corresponding field blinks set the correct value with the cursor keys lt up down gt confirm input with lt OK gt You can start the measurement with lt F3 gt Next Pro ceed as follows connect temperature sensor of flow probe with T2 disconnect hoses of flow probe from instrument zero the pressure sensor with lt F1 gt connect hoses of flow probe to instrument put flow probe into the flue gas pipe take care to marking for flow direction L switch off burner and press simultaneously lt F2 gt or press lt F3 gt to activate timer 3 sec and switch off burner by second beep after approx 30 sec the measurement value and the converted result negative points are available f J Le Flow probe ecom DPH Page 9 An overview of the measurements is available under Show Analysis Press lt F1 gt Print to print them out only with option IR printer Please care for a friction less direct sight connection between the sending diode on the front of the instrument and the receiving diode on the printer The maximal distance between both units should not exceed ca 40 cm otherwise a tro
5. E o ror WE PRODUCE QUALITY OF LIFE Operating Instructions ECOM DPH Index Page 1 Design ecom DPH 3 2 Installation 2 1 Power supply 4 2 2 Accumulator charging 4 2 3 Clock set 4 3 Numerical indication 3 1 Zeroing pressure sensor 6 3 2 Display damping 6 4 Check programs 4 1 Heating check 4 1 1 Gas losses 7 4 1 2 Surface losses 8 4 1 3 Ventilation losses 9 4 2 4 Pa Test Option 10 4 3 Differential pressure 11 4 4 Pitot tube 11 4 5 Temperature 11 5 Adjustments 5 1 DPH Adjustments 12 5 2 Parameters for measurements 13 5 3 Adjustments 4 Pa Test 13 6 Technical data ecom DPH 14 7 Maintenance Tips 15 Page 2 ecom DPH 1 Design ecom DPH IR interface for IR printer Pressure connection Temperature connection T2 Pressure connection Temperature connection T1 Graphic display Function keys current function is shown on display Cursor keys Connection loading unit OK key ON OFF key ecom DPH Page 3 2 Initialisation 2 1 Power supply The ecom DPH is powered by 3 batteries or 3 accumulators The following types can be used to operate the instrument Battery 1 5 V AA Mignon Accumulator 1 2 V AA NiCd nickel cadmium Accumulator 1 2 V AA NiMh metal hydride If you are using a loading unit please adjust the function Batt charg to YES Open the battery compartment and insert the batteries Be careful to ensure proper polarity I
6. ck programs After pressing lt F4 gt Menu measured value display the main menu with pre programmed measurement programs is displayed 4 1 Heating check The heating check is a simple expressive process to evaluate a complete heating plant heat production distribution and transfer from the energetic point of view Hereby the single plant components get inspected by the heating engineer in a combination of measurements and visual assessment and valued in regards of their energetic quality acc to a negative point system of max imum 100 points The higher the score the farer the current plant is away from the desirable energetic stand and the higher the energy saving potential would be if modernization measures are conducted In combination with the spe cial probes required hereto the ecom DPH is able to perform the measurement of the heating check parame ters gas losses ventilation losses and surface losses Out of the main menu select the sub menu Heating check and confirm with lt OK gt 4 1 1 Gas losses The menu point Gas losses is used to convert from already determined flue gas loss values in in nega tive points The value can be set as follows 1 Use the cursor keys lt right left gt corresponding field blinks to select the position you want to change 2 Set the correct numerical value with the cursor keys lt up down gt After entering the result is calculated and stored for analysis Sh
7. f using the rechargeable battery type it will be necessary to fully charge the batteries prior to initial use approx 4 hours The voltage of the bat teries is monitored by the DPH and will indicate a low battery condition by approx 3 3 V by beeping and flashing a signal on the LCD display If the voltage sinks approx 3 V so the ecom DPH will automatically switch off 2 2 Accumulator charging The accumulator charging procedure is monitored by the ecom DPH Once con nected to AC power the instrument switches on During the charging procedure a BATTERY indicator will be shown on the LCD display Once the battery is fully charged the BATTERY indicator on the display will blink It is possible to operate the ecom DPH on AC power during the charging procedure by pressing the lt ON gt button 2 3 Setting clock The internal clock and the internal RAM memory of the ecom DPH are buffered via a capacitor If the instrument is without current supply during more than ap prox 10 minutes the recorded information gets lost Before using the ecom DPH for the first time adjust the internal clock Page 4 ecom DPH Date and time can be set as follows 1 Select with the cursor keys lt RIGHT LEFT gt the posi tion to be changed corresponding field blinks 2 Adjust the correct numbers with the cursor keys lt UP DOWN gt ecom DPH Set clock 2 00 08 01 01 09 DPH adjustments Menu Page 5 3 Numerical indication
8. n sors to the internal temperature sensor can be calculat ed ecom DPH press Diff press measurem 0 00 AP gt 0 Int 0 hPa Pa Menu T2 press Pitot measurem Page 11 5 Adjustments 5 1 DPH Adjustments Additionally to those ecom DPH functions described DPH Adjustments previously various adjustments can be made in the poses f measurement a Test instrument From the main menu select the sub menu Adjustments and confirm with lt OK gt Under DPH settings you will get a selection of modifiable parame ters that can be adjusted depending on the application Place the cursor on the desired line and call up the setting with lt OK gt The modifiable parameters are Set clock press lt OK gt to access setting menu correction of internal clock with cursor keys LCD lighting press lt OK gt to access setting menu setting the display backlight with cursor keys lt up down gt ON Lighting is always on OFF Lighting is always off 1 5 10 minutes Lighting on for 1 5 10 minutes if no key is pressed LCD contrast press lt OK gt to access setting menu setting the display contrast with cursor keys lt up down gt in 4 steps Low Middle High Very High Key beep press lt OK gt to access setting menu setting an acoustic signal by key pressing with cursor keys lt up down gt Batt charg press lt OK gt to access setting menu setting if a loading unit is used or n
9. ot with cursor keys lt up down gt Page 12 ecom DPH 5 2 Parameters for measurements Under Param f measurement you will get a selec DPH Adjustments tion of modifiable parameters that can be adjusted de Param f measurement pending on the measurement Place the cursor on the 4Pa Test desired line and call up the setting with lt OK gt The modifiable parameters are Atm press press lt OK gt to access setting menu input of barometric air pressure for velocity calculation default 1013 hPa Factor f Pitot t press lt OK gt to access setting menu input of pitot factor for velocity calculation default 0 93 for flow probe Progressive damping press lt OK gt to access setting menu setting if the damping should be progressively for large pressure changes the display reacts faster than by small pressure changes default No 5 3 Adjustments 4 Pa Test Under 4Pa Test you can adjust the measuring time DPH Adjustments for the 4 Pa Test settings 3 4 5 6 minutes are possi Param f measurement 4Pa Test ble default 4 minutes You can leave the submenu Adjustments with the cursor key lt left gt ecom DPH Page 13 6 Technical data ecom DPH Power supply Power consumption Display Operation menu monitored Differential pressure measurement Resolution Accuracy Internal clock Dimensions LxWxH Weight Ambient temperature Page 14 Battery
10. ow Analysis by pressing lt OK gt ecom DPH Heating Check 4 Pa Test Diff pressure Pitot tube Temperature Gas losses Surface losses Ventilation losses Show Analysis New Heating Check Heating Check Page 7 4 1 2 Surface losses The surface losses measurement is performed by a temperature sensor specific for surfaces The tempera ture difference between boiler surface and room tem perature air temperature sensor is determined and the percentage loss is calculated Once the menu point is called up the room temperature must be determined Connect the air temperature sensor to T1 After suffi cient measurement time approx 10 s press lt F1 gt or lt F2 gt The value is stored and used to calculate the temperature difference Then the boiler performance needs to be entered To easy the measurement width depth and height of the boiler can also be entered di mensions will be memorized for surface calculation Please proceed as follows activate respective input window with lt OK gt select the position with the cursor keys lt right left gt corresponding field blinks set the correct value with the cursor keys lt up down gt confirm input with lt OK gt If the boiler dimensions are not entered the measure ment recording must be started with lt F3 gt Next Here the dimensions must be entered for all surfaces You can start with measurement after pressing the lt F1 gt or lt F2 gt P
11. roceed as follows Connect surface probe at T2 select surface with cursor keys lt right left gt position surface probe take temperature difference with lt F1 gt per surface 9 measurements can be taken they get averaged automatically if necessary clear measurements with lt F2 gt repeat process for each surface Gas losses Surface losses Ventilation losses Show Analysis New Heating Check Heating Check Air temperature sensor Temperature sensor for surfaces Page 8 ecom DPH Are all surface temperatures determined you can leave the menu with lt F3 gt Analys or lt F4 gt Menu The surface losses are calculated automatically The result and the conversion of the surface losses in penalty points is available with lt F3 gt Analys or at the menu point Show Analysis 4 1 2 Ventilation losses The ventilation losses measurement is performed by a Gas tosses flow probe 30 sec after burner switch off This meas Surface losses urement can be performed at the earliest 5 min after Ventilation losses instrument s switch on as the pressure sensor requires Show Analysis Page New Heating Check this period of time for stabilization Once the menu point l is called up the room temperature must be determined Connect the air temperature sensor to T1 After suffi cient measurement time approx 10 s press lt F1 gt or lt F2 gt The value is stored and used to calculate the
12. uble free transfer is no more ascertained in any case With New Heating Check it is possible to clear all partial results are for a new measurement lt F1 gt yes You can leave the submenu Heating Check with the cursor key lt left gt 4 2 4 Pa Test Option The simultaneous operation of room dependent firing place and air evacuation system can lead to dangerous low pressure conditions With the ecom DPH it is possi ble to check the low pressure limit value of 4 Pa and to document in a diagram the time course of the low pres sure value Once the menu point is called up the measurement is to be performed as follows Gas losses Surface losses Ventilation losses Show Analysis New Heating Check Heating Check Heating Check 4 Pa Test Diff pressure Pitot tube Temperature connect capillary hose for room where burner is installed to connect capillary hose for reference place staircase or outside air to operate firing and evacuation systems with maximal performance open window resp connection door to burner room and check the correct evacuation of the exhaust gases zero pressure sensor with lt F1 gt position capillary hose for reference location start record pressure value course with lt F2 gt Start an acoustical signal is issued every 30 sec record pressure by opened window resp connection door close window resp connection door after approx 30 sec and check low
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