Commercial HVAC
HVAC, Ductable AC, VRV & VRF Course in Prayagraj
Comprehensive training in central air conditioning systems, variable refrigerant volume, branch selector boxes, and commercial commissioning.
Advanced HVAC Modules
- • VRV/VRF system architecture: Master and Slave outdoor combinations
- • Refnet joints sizing, header branches, and maximum piping rules
- • DIII-Net / RS-485 shielded communication bus wiring
- • Duct design principles: static pressure, aspect ratio, and CFM balancing
- • Air handling units (AHU) and chilled water cooling coils
Practical Field Operations
- • 40-bar high pressure nitrogen holding test over 24-hour cycles
- • Automated addressing sequences and commissioning diagnostics
- • Oil return and defrost cycle operation analysis
- • Electronic expansion valve tuning and superheat verification
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