Haier 3.5kW Light Commercial Cassette Air Conditioner Kit – Ceiling Cassette, Outdoor Condensing Unit & Wall Controller (R32)

Haier 3.5kW Light Commercial Cassette Air Conditioner Kit – Ceiling Cassette, Outdoor Condensing Unit & Wall Controller (R32) is a versatile, inverter-driven air-to-air heat pump solution for small to medium offices, meeting rooms, shops and reception areas. The kit combines a 600 x 600 4‑way compact cassette, a matching 3.5kW outdoor unit and a Haier HW‑SA201ABK wall‑mounted touch controller to deliver quiet, discreet and efficient climate control.

This Haier cassette system uses R32 refrigerant and must be installed, commissioned and serviced by a qualified F-Gas certified air conditioning or refrigeration engineer in accordance with current UK F-Gas regulations.

Kit Components

• Indoor cassette unit: Haier 3.5kW Compact 620 Cassette indoor unit (AB35S2SC2FA(H) or equivalent 3.5kW Cassette 620 model) with PB‑620KB(H) fascia panel.
• Outdoor condensing unit: Haier 3.5kW R32 inverter outdoor unit 1U35S2SM1FA‑2 (Supermatch/Expert series).
• Controller: Haier HW‑SA201ABK ultra‑slim wall‑mounted touch screen controller.

Key Features – 3.5kW Cassette & Outdoor Unit

• 3.5kW cooling and heating class – sized for small to medium commercial rooms and office areas where ceiling cassettes are preferred.
• R32 inverter heat pump with high seasonal efficiency (A++ cooling, A+ heating in the Cassette 620 range) to help reduce energy costs.
• Compact 620 x 620 cassette panel that fits standard ceiling grids, with a low unit height for installation in shallow voids.
• 4‑way air discharge with adjustable louvres for even air distribution and reduced draughts throughout the room.
• Fresh air knock‑out allowing introduction of a proportion of fresh air without significantly compromising cooling performance.
• Quiet indoor operation with low sound levels and Silent mode for use in offices, meeting rooms and customer-facing spaces.
• Integrated condensate drain pump for reliable condensate removal from ceiling installations.
• Wide operating range for both cooling and heating to support year‑round comfort in commercial environments.

HW‑SA201ABK Wall Controller Features

• Ultra‑slim touch screen design with a clean, modern look that suits commercial interiors.
• Centralised control capability – can control up to 16 compatible indoor units (Supermatch and MRV ranges), ideal for multi‑room systems.
• Comprehensive control options including on/off, operating mode, temperature setpoint, fan speed and weekly scheduling.
• Simple, intuitive interface for easy operation by staff and building users.

Why Choose This Haier 3.5kW Cassette Kit?

• Complete matched package – indoor cassette, outdoor unit and wall controller supplied together for a coordinated commercial system.
• Discreet ceiling installation – 4‑way cassette delivers comfortable airflow without occupying wall space, ideal for clean interior design.
• Energy‑efficient comfort – inverter technology, high seasonal efficiencies and smart control help to reduce energy use and operating costs.
• Flexible commercial use – suitable for offices, meeting rooms, retail units, consulting rooms and other light commercial spaces.

Important Installation Information

• Supplied as separate indoor cassette with panel, outdoor condensing unit and wired wall controller; requires fixed refrigerant pipework and interconnecting power/control wiring.
• Typical pipework uses 1/4" liquid and 3/8" gas refrigerant lines, with maximum pipe length and height difference to be confirmed from Haier technical data.
• Installation, commissioning and servicing must be carried out by an F-Gas certified engineer in accordance with Haier’s installation instructions and all relevant UK building, electrical and F‑Gas regulations.