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Instruction for PMD-In Duct Air Quality Detector
PMD In-Duct Air Quality Detector
—
Commercial Grade Detector
Please read this instrument carefully before installing and using the device. The instruction includes
installation of PMD-18XX all models. Some content if PMD in your hand is not involved, please
ignore.
Check Accessories
Unpack the box and examine PMD and the accessories as below list.
1. Instruction manual – 1 piece
2. PMD In-Duct air quality detector – 1 unit
3. The pitot tube of PMD – 1 piece
4. Waterproof connector – 1 piece
5. Pipeline seal ring -1 piece
Installation Requirements (IMPORTANT!)
1. Install in the air supply duct. Then install the PMD on the main air duct where is far from the fresh
fan machine or close to the branch duct.
2. Install in the return air duct. Then Install the PMD on the main air duct close to the return air fan,
or more than 1 meter from the return air outlet.
3. Installation of pitot tube should be accordance with the direction of the wind, please see P4
"Installation".
4. The installation location should fully consider the requirement of convenient regular
maintenance.
5. PMD has two power supply selection,24VAC/VDC or 110-230VAC power supply. Please note
the power part must be waterproof and safe.
6. Note that the S/N number on the pitot tube must be mated with the PMD device with the same
s/n number. The two parts make up a whole device. Its temperature and humidity is calibrated
for the whole device. Therefore, each pitot tube must be matched with its own main unit. Do not
mix them up.
7. When disassembling and assembling the pitot tube, power must be cut off and no live operation
is allowed. The pitot tube must be assembled and tightened on the device.
Main unit
6. PMD assembly screw 2pcs and duct
mounting screw – 2pcs
7. Hexagonal screwdriver – 1 piece
8. Filter – 1 piece
9. 220V power cable – 1 piece (optional) or
24V power adaptor (optional) – 1 set
T&RH sensor
Pitot tube
V.1912
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Summary of Contents for Tongdy PMD-18 Series
- Page 1 V.1912 Instruction for PMD-In Duct Air Quality Detector PMD In-Duct Air Quality Detector — Commercial Grade Detector Please read this instrument carefully before installing and using the device. The instruction includes installation of PMD-18XX all models. Some content if PMD in your hand is not involved, please ignore.
- Page 2 Flange mounting hole distance: 77.5mm Net weight: 1000g Tongdy Sensing Technology PMD-181XD wiring diagram (two sets of terminals, power supply wiring on the left, RS485 wiring on the right, do not connect wrong!). PMD-183X Insert the RJ45 crystal head into the RJ45 socket on the bottom of the PMD as shown below and make sure it is secure.
- Page 3 V.1912 Instruction for PMD-In Duct Air Quality Detector Tongdy Sensing Technology Assembly of Main unit and Pitot Tube STEP 1: See the mark of the main unit, as shown in the figure below, REMOVE is the direction in which the pitot tube is removed, and FIX is in the fixed direction.
- Page 4 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 3: After the pitot tube is inserted into the main unit assembly hole, the alignment mark horizontal line is rotated 90 degrees clockwise. Installation 1. For the wind flow is from right to left (ie "right", factory default) STEP 1: Confirm the installation position, and open a hole of 35mm diameter with the hole opener on the air duct.
- Page 5 Instruction for PMD-In Duct Air Quality Detector STEP 3: Install the main unit. Connect the main unit horizontally (Tongdy logo is on the left) with the pitot tube interface (as shown in the left figure), and then rotate it 90 degrees clockwise fixed.
- Page 6 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 3: Remove the MSM module from the sealed compartment and rotate the module 180 degrees (left figure), and replace the MSM module (right figure) with the original position. STEP 4: Fix the MSM module and insert the air inlet filter into the upper left slot of the MSM module. STEP 5: Put the sealing compartment casing back and fix it.
- Page 7 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 7: Insert the pitot tube and fix it with screws. STEP 8: Assemble the main unit. Insert the main unit laterally into the air duct's counter interface (left figure) and then rotate it 90 degrees clockwise (right figure). The installation is completed. 3.
- Page 8 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 2: Remove the two sets of terminals for power supply and RS485 respectively Special Note: The left terminal is the power terminal block. The right terminal is the RS485 terminal block. Don't get it wrong! STEP 3: Go through the power cable and RS485 cable from each waterproof connector respectively.
- Page 9 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 6: Fasten the casing of the electrical wiring part and install the original screws. Regular Maintenance: In order to ensure the accuracy of the PMD data, the end users need to perform regular maintenance on the equipment under typical environment.
- Page 10 V.1912 Instruction for PMD-In Duct Air Quality Detector STEP 3: Remove the mounting screw on the middle of the MSM module, take out the module, and clean the module inlet and outlet with the air pump to clean the module inside. STEP 4: Assembling the MSM module after cleaning.
- Page 11 V.1912 Instruction for PMD-In Duct Air Quality Detector WIFI CONFIG: WIFI configuration button(optional by model), located in the middle of the left side. Use with the "WIFI" indicator in the lower right corner. For details, see the WIFI communication RJ45 configuration file.
- Page 12 V.1912 Instruction for PMD-In Duct Air Quality Detector If the customer does not use the MyTongdy platform and build their own platform, please contact the sales staff to request the platform development documents. WIFI CONFIGURATION (MQT VERSION) 1、 Download and install APP 1）Login website: www.mytongdy.com 2）Click the "Login"...
- Page 13 V.1912 Instruction for PMD-In Duct Air Quality Detector 2、 The mobile phone or mobile device is connected, and the WIFI hotspot is in the operating environment of the device. In the following example, the WIFI hotspot is iPhone X. 1) Login account Open the newly installed MyTongdy APP, enter your account, password, and log in.
- Page 14 V.1912 Instruction for PMD-In Duct Air Quality Detector Figure 4 Figure 5 4、After the configuration is successful, users can log in to the web version, add devices, view data, graphs, and so on. Note: The functions of the mobile app are limited. For more functions and data, please log in to the web version to use.
- Page 15 V.1912 Instruction for PMD-In Duct Air Quality Detector Fault phenomenon Reference Reason PM2.5 data deviation is Check whether the environmental factors around the equipment have any too large, the value is influence, whether there is any foreign matter inside the housing, and there is too high foreign matter inside the sensing module.
- Page 16 6. For the product is out of warranty, the manufacture provides paid maintenance. 7. The manufacture is not responsible for any other joint liability caused by the purchaser or the undetermined cause caused by the use of the product. Tongdy Sensing Technology Corporation Http://www.tongdy.comEmail: michael@tongdy.com Tel: +86 10 59738937/38/39 Add: Building #8, Courtyard #9, Dijin Road, Haidian Dist., Beijing 100095, China...
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