Cleanroom direct-expansion air conditioning unit with matched condenser

クリーンルーム HVAC および空気処理装置

クリーンルームの直接拡張型空調ユニット

A cleanroom air-conditioning package that uses a refrigerant evaporator coil for direct sensible cooling and dehumidification without a chilled-water circuit.

Direct Refrigerant Cooling
Matched Condensing System
Controlled Dehumidification
Cleanroom Filter Staging

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商品紹介

The cleanroom direct-expansion air-conditioning unit combines a refrigerant evaporator coil with cleanable filters, a drainable condensate section and variable-speed supply fan. A matched outdoor condensing unit or remote condenser rejects heat without requiring a central chilled-water plant. Multiple compressor stages or inverter capacity allow the coil to follow varying cleanroom load, while reheat can stabilize room temperature during dehumidification. Refrigerant piping, oil return and coil distribution are designed for the selected distance and lift.

主要な特徴

Direct refrigerant expansion removes the intermediate chilled-water loop for smaller independent cleanroom systems.

Variable or multi-stage compressor capacity reduces cycling under partial sensible load.

A drainable insulated coil section contains condensate produced during moisture removal.

Reheat and fan-speed control support temperature stability during latent operation.

お客様の製品に関する懸念事項

DX systems must match refrigerant capacity, air volume and coil temperature closely to avoid cycling, water carryover and unstable humidity.

A single large compressor repeatedly starts and stops at low cleanroom load.Inverter or staged compressors modulate closer to the active sensible and latent demand.

An unevenly fed evaporator leaves parts of the coil warm and reduces dehumidification.Matched distributors and expansion control maintain stable refrigerant feed across circuits.

Condensate is carried downstream during high latent load.Proper coil face velocity, eliminator clearance and a full drain pan control water.

Long refrigerant piping causes oil-return and capacity problems.Pipe size, traps and allowable lift are selected for the matched compressor and circuit.

典型的な用途

Independent cleanroom suitesMedical-device assembly roomsSmall pharmaceutical laboratoriesElectronics test areasCleanroom retrofit projects

技術的なパラメータ

Representative casing values for a cleanroom DX air-conditioning unit are shown below.

コア材料	Closed-cell polyurethane insulation in double-skin indoor-unit panels
パネルの厚さ	40–60 mm insulated casing
有効幅	700–2400 mm nominal indoor-unit width
最大長さ	Up to 5500 mm including filters, evaporator, reheat and fan
鋼鉄の厚さを直面する	0.6–1.0 mm coated casing sheet
コア密度	40–45 kg/m³ closed-cell polyurethane
熱伝導率	0.022–0.026 W/(m·K) for panel insulation
表面仕上げ	Powder-coated outer casing with galvanized or stainless wet-section liner
ジョイントタイプ	Gasketed low-leakage panels with brazed refrigerant headers and flexible duct collars
カスタマイズ	意図したアプリケーションと動作環境に基づいて利用できます。

利用可能なオプション

Air-cooled or water-cooled condensing unitFixed-stage or inverter compressorHot-gas, electric or hot-water reheatRemote controller and building-management interface

Planning a Cleanroom Direct-Expansion Air Conditioning Unit specification?

寸法、設置条件、性能目標、必要な表面仕上げをお送りください。

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