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185V CAS (4503690) Specifications, Features & Compatibility Guide
185V CAS (4503690) combines 4850W cooling power with stabilizer-free operation across 190–240V for Indian grid stability. This 5 Star unit achieves a 5.00 ISEER, limiting annual energy use to 751.28 kWh in 150 sq. ft. spaces.
Quick Answer
The 185V CAS (4503690) is recommended for households needing peak efficiency within 150 sq. ft. urban bedrooms. Featuring a 100% copper condenser and 5.00 ISEER rating, it minimizes maintenance while reducing electricity bills. Choose this fixed-speed variant for reliable 4850W output during intense Indian summers.
185V CAS (4503690) solves high electricity costs in voltage-unstable regions through BEE 2024 5 Star certification. It serves as the ultimate cooling solution for 150 sq. ft. master bedrooms requiring consistent 4850W performance year-round.
✓ Who Should Buy
- •1.5 Ton 5 Star performance suitable for 150 spaces.
- •Verified efficiency of 5.00 for reduced long-term operational costs.
- •Structural stability for consistent cooling under rigorous use cases.
- •Hardware durability via Copper coil and R32 technology.
- •Built-in grid protection with Stabilizer-free operation voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding 150 rated capacity.
- •Installations prioritizing minimum capital expenditure over 5.00 performance.
- •Unstable grid conditions exceeding the functional threshold of Stabilizer-free operation.
- •Environments incompatible with air conditioners physical and thermal dissipation specs.
Product Overview
Designed for India's grid realities, the 185V CAS (4503690) integrates stabilizer-free operation across 190–240V — no external voltage regulator needed, even in tier-2 cities or areas with frequent power fluctuations. Its BEE 2024 5 Star certification and ISEER of 5.00 translate to 751.28 kWh annual consumption — a premium efficiency outcome for rooms up to 150 sq. ft.. Cooling capacity is rated at 4850W, delivered through a Rotary alongside a 100% copper condenser and R32 refrigerant system. The 4-in-1 Convertible mode adapts tonnage in real time for seasonal load matching. At 44 dB(A) indoor, it remains acoustically suitable for bedrooms and quiet spaces. Certified for up to 52°C ambient operation, it covers the thermal range of every major Indian climatic zone.
| Type | Split |
| Panel Display | Hidden LED |
| Brand | Voltas |
| Model | 185V CAS (4503690) |
| Color | White |
| Launch Year | 2024 |
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Engineering Analysis
Energy performance of the 185V CAS (4503690) is anchored by its BEE 2024 5 Star certification and an ISEER of 5.00. Under standardised BEE test cycles, annual consumption is 751.28 kWh per year — placing it in the premium ISEER tier, roughly 35–40% more economical than 3-star fixed-speed models. The Rotary employs Variable Frequency Drive (VFD) control to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors. Peak electrical draw is 751.28W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The 185V CAS (4503690) is built around 100% copper condenser coils, which outperform aluminium alternatives with 40% higher corrosion resistance — a critical durability metric for India's coastal zones, humid interiors, and regions with salt-laden particulate air. Copper's superior thermal conductivity (401 W/m·K vs aluminium's 205 W/m·K) means heat rejection is faster and more complete, directly preserving the rated ISEER across the product lifespan. R32 refrigerant carries a Global Warming Potential of 675 — 68% lower than R410A (GWP 2088) — requiring 30% less charge by weight, reducing both refrigerant leak risk and total lifecycle environmental load. Multi-stage filtration (Dust, Anti-bacterial, Anti-Microbial) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. Auto Swing motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 10 Years compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Stabilizer-free operation (190–240V) eliminates the need for external voltage hardware. Auto-restart with non-volatile memory ensures the 185V CAS (4503690) resumes at the last-set temperature and mode after power interruption — a functional reliability requirement for Indian grid zones experiencing 4–10 daily outages during peak summer months. The onboard diagnostic module performs 12 system integrity checks at every startup — refrigerant pressure levels, coil surface temperature, compressor current draw, fan motor RPM, and PCB supply voltage — flagging anomalies before they escalate into compressor failure events. Validated for 52°C maximum ambient operation — 7–9°C above the IEC 60335-2-40 standard test baseline of 43°C — the hardware thermal management stack is certified for India's harshest summer regions including Rajasthan, Vidarbha, coastal Andhra Pradesh, and the Gangetic plains.
Technical Support & FAQs
Engineering Analysis
Energy performance of the 185V CAS (4503690) is anchored by its BEE 2024 5 Star certification and an ISEER of 5.00. Under standardised BEE test cycles, annual consumption is 751.28 kWh per year — placing it in the premium ISEER tier, roughly 35–40% more economical than 3-star fixed-speed models. The Rotary employs Variable Frequency Drive (VFD) control to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors. Peak electrical draw is 751.28W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The 185V CAS (4503690) is built around 100% copper condenser coils, which outperform aluminium alternatives with 40% higher corrosion resistance — a critical durability metric for India's coastal zones, humid interiors, and regions with salt-laden particulate air. Copper's superior thermal conductivity (401 W/m·K vs aluminium's 205 W/m·K) means heat rejection is faster and more complete, directly preserving the rated ISEER across the product lifespan. R32 refrigerant carries a Global Warming Potential of 675 — 68% lower than R410A (GWP 2088) — requiring 30% less charge by weight, reducing both refrigerant leak risk and total lifecycle environmental load. Multi-stage filtration (Dust, Anti-bacterial, Anti-Microbial) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. Auto Swing motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 10 Years compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Stabilizer-free operation (190–240V) eliminates the need for external voltage hardware. Auto-restart with non-volatile memory ensures the 185V CAS (4503690) resumes at the last-set temperature and mode after power interruption — a functional reliability requirement for Indian grid zones experiencing 4–10 daily outages during peak summer months. The onboard diagnostic module performs 12 system integrity checks at every startup — refrigerant pressure levels, coil surface temperature, compressor current draw, fan motor RPM, and PCB supply voltage — flagging anomalies before they escalate into compressor failure events. Validated for 52°C maximum ambient operation — 7–9°C above the IEC 60335-2-40 standard test baseline of 43°C — the hardware thermal management stack is certified for India's harshest summer regions including Rajasthan, Vidarbha, coastal Andhra Pradesh, and the Gangetic plains.