Eurapo Sigma 522 fan coil, horizontal ceiling-mounted, frontal air discharge, EC inverter motor, 3-row coil, 3-way on/off valve with bypass, 5.81 kW cooling, 6.53 kW heating, 29–52 dB(A), ESTSH/AF522-3R+OPTV23W
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Product Description
Eurapo Sigma 522, a fan coil from the EST inverter range: horizontal ceiling unit, frontal air discharge, bottom air intake. As ordered it carries a 3-row water coil; an EC brushless motor with built-in inverter; an ON/OFF 3-way regulating valve with bypass (_3xx / J3xx, 230 V thermoelectric actuator); the AS air sensor (NTC 10 kΩ at 25 °C) on the air intake; an OPower BMS card (Modbus RTU over RS-485) for integration into a building management system; the KPPH back panel for installations where the rear of the unit is in view; water connections on the right-hand side (DX, the factory standard; SX is the left-hand alternative). Rated performance for this configuration: cooling capacity 5.81 kW, heating capacity 6.53 kW, sound power level 29–52 dB(A), water connections 1/2 x 1/2". Maximum operating pressure is 10 bar with valves fitted. Full type designation ESTSH/AF 522-3R+AS+ORBV.10+KPPH+_3A2+DX. Supplied under manufacturer part number ESTSH/AF522-3R+OPTV23W, HS code 8415.90, country of origin Italy.
Technical Specifications
- Product type
- Ceiling-mounted fan coils
- Product group
- Water cooling system
- Cooling capacity
- 5.81 kW
- Heating capacity
- 6.53 kW
- Sound performance level
- 29 to 52 dB(A)
- Pipe connection
- 1/2 x 1/2"
- Type designation
- ESTSH/AF 522-3R+AS+ORBV.10+KPPH+_3A2+DX
- Height
- 263 mm
- Width
- 1273 mm
- Depth
- 614 mm
- Weight
- 46 kg
- Carbon footprint (EPD)
- 335.5908 kg CO2e per pcs
- Country of origin
- Italy
- Customs tariff code (EU CN)
- 84159000
- HS code
- 8415.90
- Manufacturer part number
- ESTSH/AF522-3R+OPTV23W
Standards & Compliance
- HS Code
- 8415.90
Cross References
- MPN ESTSH/AF522-3R+OPTV23W
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Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy ESTSH/AF522-3R+OPTV23W?
- ESTSH/AF522-3R+OPTV23W can be ordered from cballast.com as a Eurapo catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Eurapo product?
- The manufacturer part number is ESTSH/AF522-3R+OPTV23W.
- What is the HS code for ESTSH/AF522-3R+OPTV23W?
- The customs tariff (HS) code for ESTSH/AF522-3R+OPTV23W is 8415.90.
- Who manufactures ESTSH/AF522-3R+OPTV23W?
- ESTSH/AF522-3R+OPTV23W is a Eurapo product in the Electrical Components range.
- Is a datasheet available for ESTSH/AF522-3R+OPTV23W?
- Yes — the ESTSH/AF522-3R+OPTV23W datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for ESTSH/AF522-3R+OPTV23W?
- The minimum order quantity is 1.
- Is ESTSH/AF522-3R+OPTV23W available?
- Yes — ESTSH/AF522-3R+OPTV23W is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).