Belimo X8022M.323A4 - two-way expansion valve

Belimo X8022M.323A4 – expansion valve

Two-way expansion valve with integrated superheat controller and tight shut-off. The documentation indicates use with CFC, HFC, HFO and R290 refrigerants, including A3 safety class refrigerants (ISO 817). Suitability for a specific application with a flammable refrigerant must be checked by the user.

Key features and specifications

• Pipe connection: ODF 22-22 mm internal soldering sleeve; length L: 190 mm.
• Cooling capacity in the manufacturer's table: 500 kW for R134a at Tc = 50°C, Te = 5°C and SC = SH = 5 K.
• AC/DC 24 V supply; power consumption during operation 1.5 W; sizing power 2.6 VA.
• Feedback signal: Modbus or analogue 0...10 V; motor running time 20 s / 90°.
• Maximum differential pressure ∆pmax: 3500 kPa; equal-percentage flow characteristic (VDI/VDE 2178).
• Tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Medium temperature: -20...70°C [-4...158°F]; with ZCQ-E: 70...120°C [158...248°F]. Ambient temperature: -30...50°C [-22...122°F].
• IEC/EN IP54 protection rating; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
• Body: CW617N brass; closing element: AISI 316L stainless steel.
• Permitted mounting position: from vertical to horizontal relative to the spindle; mounting with the spindle pointing downwards is not permitted.

Configuration is performed using the xBALL Syncra app. Cables are not included; the documentation specifies using Belimo Z-C24X4.. cables only.