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Midor
User Manual
30 pgs1.34 Mb0

MMA Midor User Manual

Midor
Balancing Measuring Device User Guide for Mobile Devices with iOS v. 10.3
Midor 3
Content
Measuring Window................................................................................................................................................................................................... 9
Measuring Context Menu Tabs ............................................................................................................................................................................... 10
Select Valve ........................................................................................................................................................................................................... 10
Valve Preset ........................................................................................................................................................................................................... 11
Medium .................................................................................................................................................................................................................. 11
Kv Direct Setup ...................................................................................................................................................................................................... 11
Set Requested Flow ................................................................................................ ............................................................................................... 12
Medium Temperature ............................................................................................................................................................................................. 12
Pressure Measuring Zero, Deaeration of Measuring Hoses .................................................................................................................................................................... 13
Project Management .............................................................................................................................................................................................. 14
Project Window, Project Tab ................................................................................................................................................................................... 14
Project Context Menu ............................................................................................................................................................................................. 15
New ........................................................................................................................................................................................................................................................... 15
Open .......................................................................................................................................................................................................................................................... 15
Save .......................................................................................................................................................................................................................................................... 15
Save as ..................................................................................................................................................................................................................................................... 15
Send Project via Mail ................................................................................................................................................................................................................................ 16
Project renaming ....................................................................................................................................................................................................................................... 16
Project Window, Branches Tab ............................................................................................................................................................................... 16
Branch Context Menu ............................................................................................................................................................................................ 17
Add Branch ............................................................................................................................................................................................................................................... 17
Rename Branch ........................................................................................................................................................................................................................................ 17
Move Branch up ........................................................................................................................................................................................................................................ 17
Delete Branch ........................................................................................................................................................................................................................................... 18
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4 Midor
Move Branch Down ................................................................................................................................................................................................................................... 18
Record Info Tab ..................................................................................................................................................................................................... 19
Record info Context Menu ..................................................................................................................................................................................... 20
New Record ............................................................................................................................................................................................................................................... 20
Open Record ............................................................................................................................................................................................................................................. 21
Read Record ............................................................................................................................................................................................................................................. 21
Send Record via Mail ................................................................................................................................................................................................................................ 21
Delete Record ............................................................................................................................................................................................................................................ 21
Record Items Tab ................................................................................................................................................................................................... 22
Preset Calculation .................................................................................................................................................................................................. 23
Pressure Loss Calculation ..................................................................................................................................................................................... 24
Available Pressure Calculation ............................................................................................................................................................................... 24
Valve Authority Calculation ..................................................................................................................................................................................... 25
Sintered Filters Replacement ................................................................................................................................................................................. 26
Battery Replacement ............................................................................................................................................................................................. 26
Batteries ................................................................................................................................................................................................................ 29
Information for Users on Collection and Disposal of Used Devices and Batteries ................................................................................................... 29
Midor iOS User Guide rev. 1.1
Midor 5
Introduction
The Midor instrument is designed for hydraulic balancing of heating and cooling systems. It allows measuring static pressure, differential pressures and flow in the said systems. Using the differential pressure measured by the measuring component in the system, Midor calculates the flow that runs through the component (balancing valve or measuring orifice). The application corrects the calculated flow also for anti-freeze mixes in cooling systems. The flow can be measured in all branches of the whole hydraulic system and the whole system can be balanced.
Midor Instrument Features
The core of the instrument consists of the pressure measuring unit that measures pressure in balancing components of hydronic systems and sends the measured values to the Bluetooth Low Energy (hereinafter just BLE) technology in a mobile device with the Android or iOS operating systems. The Midor measuring unit is very robust with a massive heavy-duty frame that can withstand a fall from 2 meters. Inside the measuring unit, there is a hydraulic section with a built-in symmetrical differential sensor for accurate digital processing of measured data. The Midor measuring instrument is very accurate and this accuracy is based on:
Very accurate measuring of the pressure with a fully differential pressure sensor and 24-bit processing of data
from the pressure sensor
Possibility of resetting the differential pressure for pressure measuring of very low differential pressures. The
resetting of measuring is done at the hydraulic bypass of pressure inputs. The Midor instrument uses advanced digital technologies that compensate inaccuracies usually occurring in pressure measuring, such as temperature dependencies and measuring non-linearity. Another feature of the Midor instrument consists in recording measurements. Data from measuring can be recorded independently and directly in the pressure measuring unit. The measuring unit is equipped with a time circuit that allows programming a periodical recording of measurement independently on the application in the mobile device. Once the recording is complete, the measuring unit turns off and the record remains stored in the measuring unit until the application reads it out. Another method of recording consists in recording of current values directly into the mobile device.
Rev. 1.1 Midor iOS User Guide
6 Midor Using the BLE transmission, the Midor application communicates with the measuring unit; a user-friendly interface can
be handled via the user mobile device. The application processes pressure values and allows displaying the flows in the
measured system based on features of balancing components stored in the mobile device’s storage. The application
stores in the mobile device’s storage balancing valves of most leading European producers. If, incidentally, a valve in
not contained in the application, you can enter the valve’s Kv and the application will calculate the flow from this value.
You can handle the software by direct touching required fields, or you can use the menu in the upper section of the screen.
Midor Pressure Measuring Unit
Positive pressure input
Negative pressure input
Zero knob Batteries Cover
Keyboard
Midor iOS User Guide rev. 1.1
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Midor application installation
Find in App Store the Midor application and install it in your mobile device.
Midor Application Main Display
Start the Midor application.
Application Setup
Press the Setup button in the introductory window where you can set up the initial features of the application. In the Measuring section, these are units for measuring the pressure, flow and temperature. Further, you can turn on/off here the sound for the whole Midor application. Turn on/off the sound in the Midor application by pressing the Sound button. In the Records section, you can enter Initial description, Initial record location. In the Projects section, you can enter Initial project name, Initial branch name, Initial project file name. In the Sensor preferences, the Bluetooth address of the pressure unit is stored after activating the Always use the selected device option in Measuring. After the application installation is complete, this item remains empty. When you will be measuring with the automatic connection of one unit
Rev. 1.1 Midor iOS User Guide
8 Midor
without searching and you will want to connect another pressure unit, you must delete this field. Once the Battery type is selected, enter the used AAA battery type in the pressure unit. This setup is very important for the correct calculation a display of the battery condition indication. You can find the battery type on the battery. Almost all rechargeable batteries sized AAA are of the NiMH type. Well-known and of high quality are Eneloop batteries from Panasonic.
Pressure Unit Turn-on
Warning! Very important!
When switched on, the instrument initialises itself. This take several seconds and the green light indicator on the instrument is flashing quickly during the initialisation. Do not establish the Bluetooth connection with the measuring instrument until this light indicator stops flashing and is on steadily. If the green light indicator fleshes with 1 second period, there is an error in the BLE module initialisation. Try to switch off the instrument, wait for several seconds and turn it on again.
Midor iOS User Guide rev. 1.1
Midor 9
Measuring
Once the Measuring button is selected, a window is displayed on the introductory screen for searching and connecting with the measuring unit. After the Scan button is pressed, the Midor application will search for and display available Midor devices. Select your Midor unit from the displayed list using the last four digits of the serial number and confirm the option by pressing the Connect button. This function occurs in many other places in the Midor application. If you check the Always use the selected device option, the Midor application will connect with this unit automatically and will not search for any other. Once the Measuring button is pressed, the Measuring screen will appear straight away.
You can cancel the Always use the selected device from the Application Setup, the Sensor Preferences/Always use Bluetooth Address option. Here, delete the Bluetooth address of your pressure unit module.
Measuring Window
Based on the differential pressure measured, type of measured medium, its temperature, valve and its preset, the application displays the differential pressure in measuring points of the attached fitting and compute the flow through this fitting. The status line in the screen’s bottom displays several important pieces of information:
1. The last four digits of the serial number of the pressure unit connected.
2. The percentage status of the battery of the pressure unit connected.
3. The validity of calibration of the pressure unit connected.
Rev. 1.1 Midor iOS User Guide
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