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18-Point VRF Health Checklist
- Outdoor module condition & vibration mounts
- Power quality, earthing & terminal tightening
- Communication wiring polarity & addressing
- Indoor filters, coils & blower inspection/cleaning
- Condensate drain slope, flushing & tray sanitisation
- Cassette drain pump & float switch test (where used)
- Outdoor condenser wash & fin alignment (where accessible)
- Line-set/insulation condition; rub-through risks
- Branch joint/selector box inspection & thermal behaviour
- Leak inspection using appropriate methods
- Nitrogen pressure testing where leakage suspected
- Deep evacuation to microns before charge/commissioning
- Refrigerant charging per brand method & pipe length
- Superheat/subcooling or weight checks where applicable
- Sensor/thermistor validation & calibration guidance
- Airflow balancing guidance; vane operation checks
- Final delta-T, amperage, vibration & noise readings
- Customer handover, care tips & service report
Services We Provide
Breakdown Diagnostics and Repair
loss of cooling/heating, communication errors, inverter PCB and power module issues, thermistors/sensors, EEV faults, compressor and fan failures, vibration and noisePreventive Service and Deep Cleaning
indoor unit coil and blower care (cassette/ducted/wall), filter restoration, condensate management, outdoor condenser cleaning and fin straighteningRefrigerant & Piping Works
nitrogen pressure tests, leak location and brazing, nitrogen-purged brazing to prevent oxidation, deep evacuation to microns, precise re-charging as per line lengths and manufacturer method, insulation upgrades and line-set rectificationElectrical & Controls
supply and earthing checks, polarity and communication wiring, controller configuration, addressing checks, basic BMS handshakes where applicableInstallation, Re-installation & Relocation
routed copper and drain planning, hanger/rod supports, branch joints/selector boxes, communication cabling, commissioning and start-upRe-Commissioning & Optimization
post-renovation verification, SH/SC methods where applicable, airflow balancing guidance, energy health checks and reportsExpansion & Retrofit
adding indoor units or converting legacy zones, subject to capacity and brand guidelinesAnnual Maintenance Contracts (AMC)
scheduled services, priority response, periodic health reports, and preferential pricing on repairs
