RXQ16BYM

🔧 TECHNICAL GUIDE TO INSTALLING THE VRV A OUTDOOR UNIT – MODEL RXQ16BYM

1. 🧰 Preparation before installing RXQ16BYM

a. Required tools and equipment:

• Drill, welding machine, bolt-fastening tools

• Pressure gauge, thermometer, clamp meter

• Vacuum gauge (vacuum gauge)

• Dedicated vacuum pump

• R410a refrigerant for checking and topping up if necessary

b. Check the installation site:

• The base must be level and solid, not sloped, with a load-bearing capacity greater than 300kg

• A well-ventilated location, protected from direct sunlight and heavy wind-driven rain

• Minimum service clearances:

  • Front: ≥ 1,000mm

  • Rear: ≥ 300mm

  • Both sides: ≥ 300mm

  • Above: ≥ 1,000mm

2. 📐 Mechanical installation of RXQ16BYM

a. Outdoor unit dimensions:

1,660 x 1,240 x 765 mm, weight 270kg

b. Positioning and securing the base:

• Use M10 or M12 bolts to secure the unit feet to the concrete plinth

• The plinth must have a minimum height of 150mm above ground level to prevent flooding

c. Ensure vibration reduction:

• Use anti-vibration rubber mounts or vibration isolation pads under the unit feet

3. 🔌 RXQ16BYM electrical installation

a. Power supply:

• 3-phase power 380V - 50Hz, supplied separately to each outdoor unit

• Electrical cables must meet standards for heat resistance and current-carrying capacity above 20A

b. Wiring:

• Connect in the correct phase sequence L1-L2-L3 and earth according to the wiring diagram supplied with the unit

• Check the fan rotation direction after powering on for the first time (if it rotates in reverse, swap 2 phase wires)

c. Safety precautions:

• Always disconnect the power before carrying out any work

• Install a CB and surge protection in accordance with industrial electrical regulations

4. 🔗 RXQ16BYM refrigerant piping installation

a. Refrigerant piping:

• Use copper pipes of the standard wall thickness for R410a, fully insulated

• Ensure the piping has no kinks, dents or leaks

• Maximum piping distance according to the manufacturer's recommendations (for example: 165m in length, 50m in elevation difference)

b. Vacuum evacuation:

• Evacuate the entire system for at least 30 minutes until the pressure reaches below -756mmHg

• Check for tightness using a pressure gauge and test for leaks using soapy water

c. Additional refrigerant charging (if required):

• Calculate the refrigerant charge required based on the actual pipe length (for example: add x g of refrigerant/1m of piping beyond the standard length)

d. Condensate piping:

• Ensure a slope ≥ 1%

• Install an additional water trap and strainer to prevent blockages

5. ⚙️ RXQ16BYM startup and test operation

1. Perform a final check of all electrical, refrigerant and drainage connections

2. Switch on the power, start the system via the central controller

3. Monitor:

   • Refrigerant suction and discharge pressures

   • Outdoor unit temperature, noise, vibration

   • Compressor load current

4. Record operating parameters to compare with the manufacturer's standard parameters

6. 🛠 Post-installation maintenance for RXQ16BYM

• Clean the filters regularly every 3 months

• Check refrigerant and operating pressure every 6 months

• Service the entire system at least 1 time/year

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