NIBE Expansion Valve Flica R407C

Description

NIBE Expansion Valve Flica is a thermostatic expansion valve designed for heat pumps that use the refrigerant R407C. The valve ensures that the evaporator is supplied with exactly the right amount of refrigerant under varying operating conditions, which maintains even overheating and protects the compressor against liquid hammer. By optimizing the flow in the cooling circuit, the component contributes to the heating system achieving maximum efficiency, operational reliability and long service life.

The importance of Flica and the refrigerant R407C

Flica is an established manufacturer in refrigeration control components, known for manufacturing durable and precise control devices. Since different refrigerants have unique pressure and temperature curves, this valve is specifically factory calibrated for the refrigerant R407C. R407C is a proven HFC blend used in a large number of energy-efficient heat pump installations, and correct valve calibration is absolutely essential for the compressor circuit to operate within its intended pressure limits.

Key features and benefits

• Optimized for R407C: Adapted to the thermodynamic properties of the refrigerant R407C for reliable pressure and temperature control.
• Sensitive bulb and capillary tube: The integrated sensor reacts quickly to temperature changes in the suction line.
• Stable control: Protects the compressor and reduces energy consumption by precisely controlling the superheat.
• Complete installation kit: Supplied with metal mounting straps and screws for correct mounting of the bulb to the pipeline.

Common symptoms of wear or valve failure

Over time, moving parts or pressure-sensitive elements in an expansion valve can be affected by wear or contamination in the refrigerant circuit. Typical signs that the expansion valve needs to be replaced are unstable pressure levels in the cooling module, recurring shutdowns via low or high pressure alarms, reduced heating capacity and abnormal ice formation around the evaporator or suction line. A replacement restores the correct pressure balance of the system and reduces unnecessary load on the compressor.

Installation and handling of the refrigeration circuit

Work involving the closed refrigerant system requires special care, certified expertise and the right equipment for refrigerant handling and soldering. During installation, it is important that the sensing bulb is placed in the correct position on the suction line and is well insulated with the included mounting plate to provide accurate temperature readings. For optimal performance and long-term reliability, it is also recommended to check the drying filter and the system's moisture level in connection with the component change.

Technical data and specifications

• Product: Thermostatic expansion valve
• Brand and manufacturer: NIBE original spare part / Flica (Honeywell TLEX series)
• Intended refrigerant: R407C
• Material: Brass housing with copper solder connections
• Included accessories: Capillary tube with bulb, mounting plate and mounting screws with nuts