Description
✅ Authorised Voltas Commercial Partner — 100% Genuine · Made in India · Mahajan Electronics Since 1981
150L storage · 150 LPH cooling · Rotary compressor · R134a · SS tank · GI powder-coated body · Dual SS faucets · PUF insulation · 10°C–25°C · 564×705×1521mm · Silver · WC FS 150/150 NP.
150L storage. 150 LPH cooling.
SS tank. Dual SS faucets. PUF insulation. Rotary compressor.
10°C–25°C. Tropicalised. R134a. Made in India.
The Voltas WC FS 150/150 NP is a heavy-duty commercial water cooler — 150L storage tank with 150 litres-per-hour cooling capacity for continuous chilled water supply in high-traffic environments. Stainless steel inner tank for hygiene; GI powder-coated outer body for rust resistance; dual stainless steel faucets for simultaneous access; PUF insulation for cooling retention during power cuts; rotary compressor tropicalised for Indian summer ambient temperatures. Ideal for schools, offices, factories, hospitals, and institutions.
💧 Two "150" figures — storage and throughput are different specifications
150L Storage Capacity
The stainless steel tank holds 150 litres of water ready to dispense. At peak usage (morning shift start, lunch break, between periods in a school), this reserve ensures water is immediately available without waiting for fresh water to cool. The 150L reserve supports approximately 500–600 drinking events before the tank needs to be partially replenished and re-cooled — relevant for sizing against your actual peak-hour headcount.
150 LPH Cooling Rate
The compressor and heat exchanger can cool 150 litres of fresh incoming water to the target temperature (10°C–25°C) per hour under rated conditions. This throughput rate determines how quickly the tank recovers after heavy usage — at 150 LPH, the full 150L tank volume is re-cooled within approximately 1 hour of complete depletion, ensuring continuous supply across successive usage peaks.
Rotary compressor + tropicalisation — how this water cooler handles Delhi NCR's extreme summer conditions
Commercial water coolers in Delhi NCR face operating conditions that differ significantly from the controlled laboratory environments in which compressor efficiency ratings are measured. Delhi NCR summer ambient temperatures typically reach 42–47°C in May–June; outdoor machine rooms, factory floors, and semi-outdoor installations can reach 48–52°C. Standard domestic refrigeration compressors are rated for ambient operation up to 43°C — above this, the condensing pressure (the pressure at which the refrigerant releases heat to the surrounding air) rises above the compressor's design operating range, causing reduced cooling capacity or thermal protection shutdown at precisely the time cooling demand is highest. Tropicalisation refers to the engineering modification of the compressor and refrigerant system specifically for high-ambient-temperature operation in tropical climates — including India, Southeast Asia, and the Middle East. A tropicalised compressor is wound with higher-temperature-rated motor windings (Class F or H insulation rather than Class B), uses refrigerant charge volumes and expansion device sizing optimised for the higher condensing pressures encountered at 45–50°C ambient, and incorporates overload protection with higher thermal trip thresholds. The Voltas WC FS 150/150 NP's tropicalised rotary compressor maintains its 150 LPH cooling capacity across the full Delhi NCR summer ambient temperature range rather than derated performance during peak heat. The rotary compressor type (vs reciprocating/piston compressors used in some older commercial water coolers) provides lower vibration, quieter operation, and faster cooling response — relevant for office and institutional environments where noise is a consideration.
Stainless steel tank + GI powder-coated body + PUF insulation — materials and hygiene for a commercial water cooler
The water storage tank in a commercial cooler must meet food-grade hygiene standards — the inner tank is in direct, continuous contact with drinking water for the life of the unit. Stainless steel (typically 304-grade for water storage applications) is the appropriate material for commercial drinking water tanks: it is non-reactive with water across the full pH range of municipal and treated water, does not leach metallic ions or taste compounds into stored water, resists biofilm formation better than plastics (bacteria have more difficulty adhering to the smooth, non-porous stainless steel surface), and can be cleaned and sanitised with standard food-grade sanitising agents. The dual stainless steel faucets extend this hygiene standard to the dispensing point — the final contact surface before water reaches the user. Food-grade stainless steel faucets do not corrode, pit, or develop the scale deposits that degrade brass or chrome-plated faucets in high-TDS Delhi NCR water conditions. The outer body's GI (Galvanised Iron) powder-coated construction provides the structural frame and exterior casing — galvanising prevents iron corrosion and the powder coating provides additional protection, colour finish, and surface hardness against the mechanical impacts of institutional use (trolleys, cleaning equipment contact). PUF (Polyurethane Foam) insulation is injected in-situ between the inner tank and outer body — the foam conforms to all internal cavity shapes during injection, eliminating air gaps that reduce insulation effectiveness. PUF's low thermal conductivity (approximately 0.022–0.028 W/m·K) significantly slows heat ingress from the warm outer body to the cold inner tank, extending the duration for which water stays chilled after the compressor cycles off, and maintaining water temperature during power interruptions — relevant for Delhi NCR's power cut conditions.
Sizing guide — is 150L / 150 LPH right for your institution?
Selecting the correct water cooler capacity for an institutional installation requires matching the cooler's storage and cooling rate to the actual peak-hour demand of the users it serves. A practical rule of thumb for institutional water cooler sizing in Indian conditions: assume 1–1.5 litres per person per day for drinking water from coolers (higher in summer, lower in winter); peak hourly demand is typically 20–30% of daily consumption concentrated in a 1–2 hour peak window (morning shift start, lunch break, post-exercise periods in schools). For the Voltas 150L / 150 LPH: at 20% peak demand in one hour, the 150L storage supports approximately 500–750 users at 1L/day average without requiring the compressor to keep up during peak draw (the storage buffer absorbs peak demand, and the 150 LPH cooling rate replenishes it between peaks). In practice, the 150/150 NP is appropriately sized for: schools and colleges with 300–700 students (single cooler) or multiple coolers for larger institutions; offices with 100–300 occupants on a single floor; medium-scale factory canteens (150–400 workers); and hospital wings or OPD areas. For larger institutional demands (700+ users, multi-shift factories, hospital main buildings), two or more cooler units or a higher-capacity model should be evaluated. For smaller offices of 50–100 people, a 100L or 60L capacity cooler may be more appropriate and energy-efficient. Call 9710000251 for institutional sizing consultation.
🏗️ Construction materials — commercial-grade specification
SS Inner Tank
Food-grade stainless steel — non-reactive, hygienic, corrosion-resistant
GI Powder-Coated Body
Galvanised iron outer frame — rust-proof, impact-resistant for institutional use
Dual SS Faucets
Food-grade stainless steel — simultaneous dual dispensing, no scale or corrosion
PUF Insulation
In-situ polyurethane foam — fills all cavities, retains cooling during power cuts
🔧 Installation requirements — verify before ordering
Water Inlet Connection
Continuous water supply required — direct municipal/tank line or float valve setup
Electrical Point
Dedicated 15A power point near installation site — voltage not stated, verify 220–240V
Floor Space
564×705mm footprint — 1521mm height. Level floor required for stable operation
Ventilation Clearance
Adequate clearance around unit for compressor heat dissipation — avoid enclosed alcoves
🎯 Ideal for
| Brand | Voltas |
| Model | WC FS 150/150 NP |
| Storage capacity | 150 Litres |
| Cooling capacity | 150 Litres per Hour (LPH) |
| Compressor type | Rotary — tropicalised for Indian conditions |
| Refrigerant | R134a (ozone-safe) |
| Inner tank | Stainless Steel — food-grade |
| Outer body | GI Powder-Coated / Stainless Steel |
| Faucets | Dual Stainless Steel — simultaneous dispensing |
| Insulation | PUF (Polyurethane Foam) — in-situ injected |
| Water temperature | 10°C – 25°C output range |
| Dimensions (W×D×H) | 564 × 705 × 1521 mm |
| Colour | Silver |
| Origin | Made in India |
🏆 Why Buy from Mahajan Electronics?
- ✅Trusted 45+ years of experience in premium appliances.
- ✅24-hour delivery across Delhi NCR during business hours, subject to serviceability and stock.
- ✅GST invoice available — save up to 18% on eligible business purchases.
- ✅100% genuine Voltas products with official brand warranty.
- ✅Expert product consultation and dedicated after-sales support.
- ✅Competitive pricing and premium offer assistance.
- ✅Stores: Raja Garden, Jail Road and Dabri Mod.
- ✅Call / WhatsApp: +91-9710000251.
150L Storage. 150 LPH Cooling. SS Tank. Dual SS Faucets. PUF Insulation. Rotary Compressor. Tropicalised. R134a. 10–25°C. Made in India. Order today.
Commercial-grade hydration for Delhi NCR institutions — tropicalised for Indian summers, stainless steel for hygiene, PUF insulation for power-cut resilience. GST invoice for institutional procurement. 24-hour delivery. Genuine Voltas — Mahajan Electronics since 1981.
Please Note: The image shown is for reference purposes only. Actual product details, including the serial number and manufacturing date, may vary.
