1. ບົດແນະນຳ
This manual provides detailed instructions for the installation, operation, and maintenance of your Montech AIR 903 MAX E-ATX Mid Tower Case. Please read this manual thoroughly before beginning assembly to ensure proper setup and optimal performance.

Figure 1.1: Montech AIR 903 MAX E-ATX Mid Tower Case. This image displays the case from a front-left angle, highlighting the mesh front panel with three illuminated ARGB fans and the tempered glass side panel.
2. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
Follow these steps to properly set up your Montech AIR 903 MAX case and install your components.
2.1 Unboxing ແລະການກະກຽມ
Carefully remove the case from its packaging. Inspect for any damage during transit. Ensure all accessories listed in the packing list are present. These typically include screws, cable ties, and additional standoffs.
2.2 Side Panel Removal
To access the interior, remove the tempered glass side panel and the solid steel side panel. The tempered glass panel is typically secured with captive thumbscrews at the rear. The steel panel slides off after removing its thumbscrews.

ຮູບ 2.1: ພາຍໃນ view of the Montech AIR 903 MAX case. This image shows the spacious interior with the tempered glass side panel removed, revealing the motherboard tray, fan mounts, and PSU shroud.
2.3 ການຕິດຕັ້ງເມນບອດ
- Identify the correct standoff positions for your motherboard (E-ATX, ATX, Micro-ATX, Mini-ITX). The case supports E-ATX motherboards.
- Install any necessary additional standoffs. Ensure all standoffs align with your motherboard's mounting holes.
- Carefully place your motherboard onto the standoffs, aligning the I/O shield with the rear opening.
- ຍຶດແຜງວົງຈອນຫຼັກດ້ວຍສະກູທີ່ໃຫ້ມາ. ຢ່າໝຸນແໜ້ນເກີນໄປ.

Figure 2.2: Motherboard compatibility diagram. This diagram illustrates the supported motherboard form factors (CEB, EEB) within the case, indicating the available mounting areas.
2.4 ການຕິດຕັ້ງຫນ່ວຍບໍລິການພະລັງງານ (PSU).
- Mount your PSU into the dedicated compartment at the bottom rear of the case.
- ຮັບປະກັນ PSU ດ້ວຍ screws ຈາກດ້ານຫລັງຂອງກໍລະນີ.
- Route necessary power cables through the cutouts in the PSU shroud and motherboard tray.
2.5 ການຕິດຕັ້ງອຸປະກອນການເກັບຮັກສາ
The case supports multiple storage drives. Refer to the case's internal structure for specific 2.5" SSD and 3.5" HDD mounting locations, typically behind the motherboard tray or within the PSU shroud.
2.6 ການຕິດຕັ້ງບັດກາຟິກ (GPU).
- ເອົາຊ່ອງສຽບ PCIe ທີ່ຈໍາເປັນອອກຈາກດ້ານຫລັງຂອງກໍລະນີ.
- ສຽບກາດກຣາບຟິກຂອງທ່ານເຂົ້າໄປໃນຊ່ອງສຽບ PCIe ທີ່ເຫມາະສົມໃນເມນບອດຂອງທ່ານ.
- Secure the graphics card with screws. The case accommodates GPUs up to 400mm in length and 190mm in width.
2.7 ການຕິດຕັ້ງພັດລົມ ແລະລັງສີ
The Montech AIR 903 MAX comes with pre-installed 140mm ARGB PWM fans (3x front, 1x rear). Additional fans or radiators can be installed:
- ດ້ານໜ້າ: Supports up to 360mm AIO liquid coolers.
- ເທິງ: Supports up to 360mm AIO liquid coolers.
- CPU Cooler Clearance: Up to 180mm height for air coolers.

Figure 2.3: Component clearance diagram. This image highlights the maximum dimensions for CPU coolers, graphics cards, and radiator installations within the case.
2.8 ການຈັດການສາຍ
Utilize the cable routing channels and included velcro cable ties behind the motherboard tray to organize your cables. The integrated fan hub simplifies fan connections, requiring only a SATA power connection from your PSU and an ARGB header connection to your motherboard for full control.
2.9 ການເຊື່ອມຕໍ່ I/O ດ້ານໜ້າ
ເຊື່ອມຕໍ່ສາຍໄຟດ້ານໜ້າຂອງແຜງໜ້າປັດເຂົ້າກັບເມນບອດຂອງທ່ານ:
- USB 3.0: Connect the USB 3.0 header cable to your motherboard's USB 3.0 port.
- USB Type-C: Connect the USB Type-C header cable to your motherboard's Type-C port (if available).
- ສຽງ HD: Connect the HD Audio cable to your motherboard's audio header.
- Power SW, Reset SW, HDD LED: Connect these small pinouts to the corresponding headers on your motherboard.
- ສ່ວນຫົວ ARGB: Connect the ARGB cable from the fan hub to your motherboard's 5V ARGB header for software control. If left unplugged, the case's dedicated RGB button will control lighting.

Figure 2.4: Top I/O panel. This image shows the top-mounted input/output ports, including USB 3.0, USB Type-C, audio jacks, and control buttons.
3. ການດໍາເນີນງານ
3.1 ການເປີດເຄື່ອງ
After all components are installed and cables are connected, ensure your power supply is switched on. Press the power button on the top I/O panel to start your system.
3.2 Fan and RGB Control
- ພັດລົມ PWM: The pre-installed PWM fans are connected to a fan hub. Connect the fan hub to a PWM header on your motherboard to control fan speeds via BIOS or motherboard software.
- ແສງ ARGB: The ARGB fans can be controlled in two ways:
- Motherboard Software Control: Connect the ARGB cable from the fan hub to your motherboard's 5V ARGB header. Use your motherboard's RGB software to customize lighting effects.
- Case Button Control: If the ARGB cable is not connected to the motherboard, use the dedicated RGB button on the top I/O panel to cycle through pre-set lighting modes. Press and hold the RGB button for 3 seconds to switch between software control and case button control (if connected to motherboard).
4. ບໍາລຸງຮັກສາ
Regular maintenance helps ensure optimal airflow and extends the lifespan of your components.
4.1 ການເຮັດຄວາມສະອາດກອງຂີ້ຝຸ່ນ
- ແຜງຕາໜ່າງດ້ານໜ້າ: The front mesh panel acts as a dust filter and can be easily removed for cleaning. Gently pull the bottom of the front panel to detach it. Clean with compressed air or a soft brush.
- ຕົວກອງແມ່ເຫຼັກດ້ານເທິງ: The top dust filter is magnetic and can be lifted off for cleaning.
- ຕົວກອງ PSU ດ້ານລຸ່ມ: The filter beneath the PSU can be slid out from the rear for cleaning.

Figure 4.1: Front panel removal. This diagram illustrates how to detach the front mesh panel for easy cleaning of the dust filter.
4.2 ການທໍາຄວາມສະອາດທົ່ວໄປ
Use a soft, dry cloth to wipe down the exterior of the case. For tempered glass, use a glass cleaner applied to a cloth (not directly to the glass) to avoid streaks.
5. ການແກ້ໄຂບັນຫາ
If you encounter issues with your Montech AIR 903 MAX case, consider the following common solutions:
- ລະບົບບໍ່ເປີດ:
- ໃຫ້ແນ່ໃຈວ່າ PSU ໄດ້ເປີດແລະເຊື່ອມຕໍ່ຢ່າງຖືກຕ້ອງກັບເຕົ້າສຽບຂອງຝາ.
- ກວດສອບວ່າສາຍສະວິດໄຟຂອງແຜງດ້ານໜ້າໄດ້ເຊື່ອມຕໍ່ກັບຫົວສຽບໄຟຂອງແຜງວົງຈອນຫຼັກຢ່າງຖືກຕ້ອງແລ້ວ.
- ກວດສອບການເຊື່ອມຕໍ່ພະລັງງານທັງໝົດໄປຫາເມນບອດ ແລະ ອົງປະກອບຕ່າງໆ.
- ພັດລົມບໍ່ໝຸນ/RGB ບໍ່ເຮັດວຽກ:
- Ensure the fan hub is receiving SATA power from the PSU.
- If using motherboard software control, verify the ARGB cable from the hub is connected to a 5V ARGB header and the software is correctly configured.
- If using the case button, ensure the ARGB cable is not connected to the motherboard, or press and hold the RGB button for 3 seconds to switch control modes.
- Check individual fan connections to the fan hub.
- ພອດ USB ບໍ່ເຮັດວຽກ:
- Verify that the front panel USB 3.0 and USB Type-C cables are securely connected to the corresponding headers on your motherboard.
- Tight Cable Management:
- The space behind the motherboard tray is designed for efficient cable routing. Take time to bundle and route cables carefully using the provided velcro ties.
For further assistance, please contact Montech customer support.
6. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ຍີ່ຫໍ້ | ມອນເທັກ |
| ຊື່ຕົວແບບ | AIR 903 MAX |
| ໝາຍເລກຕົວແບບ | AIR903MAXB |
| ປະເພດກໍລະນີ | ຫໍກາງ |
| ຄວາມເຂົ້າກັນໄດ້ຂອງເມນບອດ | ATX ຂະຫຍາຍ, ATX, Micro-ATX, Mini-ITX |
| ວັດສະດຸ | ໂລຫະ, ແກ້ວທີ່ມີຄວາມແຂງແກ່ນ |
| ສີ | ດຳ |
| ຂະໜາດສິນຄ້າ (LxWxH) | 18.82 x 9.05 x 19.41 ນິ້ວ (47.8 x 22.99 x 49.3 cm) |
| ນ້ໍາຫນັກລາຍການ | 20.5 ປອນ (9.3 ກິໂລ) |
| ວິທີການເຮັດຄວາມເຢັນ | ອາກາດ |
| ພັດລົມທີ່ຕິດຕັ້ງໄວ້ລ່ວງໜ້າ | 3x 140mm ARGB PWM (ດ້ານໜ້າ), 1x 140mm PWM (ດ້ານຫຼັງ) |
| ສະຫນັບສະຫນູນ radiator ທາງຫນ້າ | ເຖິງ 360 ມມ |
| ສະຫນັບສະຫນູນ radiator ເທິງ | ເຖິງ 360 ມມ |
| CPU Cooler ຄວາມສູງ Clearance | 180ມມ |
| ການເກັບກູ້ຄວາມຍາວ GPU | 400ມມ |
| GPU Width Clearance | 190ມມ |
| ພອດ USB 3.0 | 2 |
| ພອດ USB ປະເພດ-C | 1 |

Figure 6.1: Product Dimensions. This image provides a visual representation of the case's length, width, and height measurements.
7. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
7.1 ຂໍ້ມູນການຮັບປະກັນ
Montech products are manufactured to high quality standards. For specific warranty terms and conditions applicable to your region, please refer to the warranty card included with your product or visit the official Montech webເວັບໄຊ.
7.2 ສະຫນັບສະຫນູນລູກຄ້າ
If you require technical assistance or have questions regarding your Montech AIR 903 MAX case, please contact Montech customer support through their official website. Provide your product model number (AIR903MAXB) and a detailed description of your issue for efficient service.

Figure 7.1: Montech Logo.





