24 Ton High-Static Commercial HVAC Cabinet (FD-HVAC-024)
Engineered for extreme ambient conditions up to 52°C (ISO 5151 T3), monumental clear-span domes exceeding 150ft, PAF aircraft maintenance hangars, and military strategic operational centers. Delivers 288,000 BTU/hr (84.41 kW) cooling and 9,600+ CFM against an uncompromising 300+ Pascals external static pressure. Equipped with 3-stage inertial sand and F7 micro-filtration to protect sensitive avionics and radar installations from fine desert dust.
Includes up to 25m heavy-gauge dual-circuit copper lines (2× 5/8" liquid × 2× 1-3/8" suction), heavy I-beam structural vibration isolator skid, 80A 3-pole motor protection sub-panel, dual digital electronic expansion valve (EEV) calibration, F7 cleanroom filter certification, external static pressure test, and 72-hour continuous thermal pull-down validation report.
Itemized Engineering Specifications · FD-HVAC-024
| Product Identifier & SKU | FD-HVAC-024 (24-Ton High-Static T3 Tropical Commercial HVAC Cabinet) |
|---|---|
| Nominal Refrigeration Tonnage | 24 TR (Tons of Refrigeration) |
| Gross Cooling Capacity (T1 Standard) | 288,000 BTU/hr (84.41 kW) · Sensible: 216,000 BTU/hr (SHR 0.75) · Latent: 72,000 BTU/hr |
| Extreme Ambient Capacity (T3 52°C) | 232,000 BTU/hr (68.0 kW net cooling continuously delivered at 52°C ambient dry-bulb) |
| Nominal Volumetric Airflow | 9,600 – 10,500 CFM (16,300 – 17,850 m³/h) |
| External Static Pressure (ESP) | 300+ Pa (Field adjustable between 200 Pa and 450 Pa max) |
| Acoustic Sound Pressure Level | < 62 dBA measured at 1 meter free-field (Heavy Industrial / Defense Class) |
| Compressor Configuration | 2× Copeland Tropical T3 Scroll ZR144KCE / ZP144KCE (Dual Isolated Refrigeration Circuits) |
| Capacity Staging & Metering | Dual High-Precision Electronic Expansion Valves (EEV PID Step Motors) with 4-point suction transducers |
| Factory Refrigerant Charge | R410A (2× 6.2 kg = 12.4 kg total charge) across dual isolated loops |
| Evaporator Coil Metallurgy | 6 Rows Interleaved, 2.70 m² Face Area, Inner-Grooved Rifled Copper with Baked Cataphoresis Gold Fin coating |
| Condenser Coil Architecture | Oversized Tropical V-Bank Condenser with Subcooling Coil Loop and Dual Axial Sickle Fans with EC Speed Control |
| Air Filtration System | 3-Stage Filtration: Inertial Sand-Separator Louvers + Deep-Pleat G4 Coarse Filter + F7 (MERV 13) Pocket Micro-Filters |
| Filter Maintenance Monitoring | Integrated Dwyer Magnehelic Differential Pressure Gauge with electrical alarm switch (ΔP > 250 Pa) |
| Supply Air Blower Fan & Motor | AMCA 210 Certified Backward-Curved Aerofoil Plug Fan with Aerodynamic Diffuser Cone; 7.5 kW (10 HP) IP55 IE3 Motor |
| Operating Electrical Characteristics | 380–415V / 3 Phase / 50 Hz (3-Phase + Neutral + Earth) |
| Running Power Input & Current | 24.8 kW (T1 Standard) / 28.5 kW (52°C T3 Extreme) · FLA: 49.2 A indoor / 61.5 A total system |
| Minimum Circuit Ampacity (MCA) | 67.8 A |
| Max Overcurrent Protection (MOCP) | 80 A (3-Pole Type D MCCB Recommended for Heavy Inrush Inductive Loads) |
| Cabinet Casing Construction | 50mm Double-Skin High-Density Rockwool sandwich panel (50 kg/m³ density, Class 0 non-combustible) |
| Base Skid Frame & Rigging | 100mm Heavy Structural C-Channel Steel Base with Crane Lifting Lugs and Dual Forklift Pockets |
| Indoor Unit Dimensions (W × D × H) | 2,150 mm × 920 mm × 2,350 mm (Weight: 495 kg / 1,091 lbs) · Duct Collar: 900 × 600 mm |
| Outdoor Condenser Dimensions | 2,350 mm × 1,250 mm × 1,650 mm (Weight: 430 kg / 948 lbs) |
| Field Piping Connection Sizes | 2× Liquid Lines: 5/8" ODF brazed · 2× Suction Gas Lines: 1-3/8" ODF brazed |
Client Review · Model FD-HVAC-024
“Our aircraft maintenance facility and avionics testing rooms require extreme performance: positive cabin pressure at 300 Pascals external static pressure through long ducted nozzle runs at 14-meter roof heights, plus continuous operation under 50°C+ summer tarmac heat. Standard commercial equipment regularly suffers high-pressure compressor trips in July. Fusion Developers' FD-HVAC-024 units operated continuously for 180 days with zero thermal shutdowns. The dual-stage sand louvers and F7 filtration keep abrasive desert dust out of sensitive radar electronic circuits. Their registered Pakistan Engineering Council engineers provided complete stamped psychrometric submittals. It is rare to find this level of defense-grade HVAC manufacturing locally.”
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