Description
Carrier 42HS High Static Pressure FCU for Carrier Chiller Systems
Air distribution decides whether a building feels comfortable or uneven. A fan coil unit that cannot push air across long duct runs leaves hot spots, wastes energy, and forces occupants to complain. The Carrier 42HS High Static Pressure FCU solves that problem with strong airflow, quiet operation, and a compact body that fits tight ceiling spaces.
A fan coil unit (FCU) is a device that circulates air over a chilled or heated water coil to control room temperature. Paired with a central Carrier Chiller, the 42HS series moves cooled water through the coil and distributes conditioned air across offices, hospitals, hotels, and large commercial floors. This makes it a core component in any water-based cooling system where consistent comfort and low running cost matter.
Workman Services supplies, installs, and maintains the 42HS series across Pakistan and the UAE. Since 2006, our team has delivered HVAC&R solutions for residential, commercial, and industrial projects. This page covers the full technical specification, features, options, and answers to common buyer questions.
What Is the Carrier 42HS High Static Pressure FCU?
The 42HS is a high static pressure fan coil unit built to handle demanding air distribution. High static pressure means the fan can overcome the resistance created by long ducts, filters, and grilles, so air reaches every corner of a space without loss of flow.
The series comes in 7 models with airflow capacities from 1,400 to 3,560 m³/h. This range suits both standard cooling and district cooling applications, where large centralized plants supply chilled water to many buildings. When connected to a chiller ac setup, the 42HS matches capacity to load and keeps energy draw in check.
Each unit uses wide-seam blue hydrophilic aluminum fins. These fins create an optimal heat transfer channel, which improves both cooling and heating performance. The hydrophilic coating helps water drain off the coil surface, which reduces moisture buildup and keeps efficiency stable over time.
Wide Application Range Across Carrier Chiller Projects
Different buildings demand different airflow. The 42HS meets that need with a broad model lineup that fits everything from small offices to large district cooling networks.
- Available in 7 models with airflow capacities from 1,400 to 3,560 m³/h
- Suitable for both standard and district cooling applications
- Matches the output of a central chiller air conditioner plant for balanced comfort
- Scales across floors, zones, and building types without redesigning the system
This flexibility means engineers can specify one product family across a whole project. That consistency simplifies procurement, spare-parts stocking, and long-term maintenance.
High Efficiency Heat Transfer
Operating cost is the largest lifetime expense of any air conditioning system. The 42HS reduces that cost through a coil built for efficient heat exchange.
- Wide-seam blue hydrophilic aluminum fins for an optimal heat transfer channel
- Efficient cooling and heating performance from the same unit
- Hydrophilic coating that improves condensate drainage and sustains airflow
- Stable performance across full-load and part-load operation
Better heat transfer means the coil pulls more heat from the air per unit of energy. This enables lower fan and pump loads, which translates directly into reduced electricity bills over the life of the equipment.
Ultra-Low Noise Operation
Noise disrupts hospitals, hotels, and quiet office floors. The 42HS keeps sound low through a redesigned airflow path.
- Newly developed wide impeller for smoother air movement
- Forward-curved blades that reduce turbulence
- Low-speed fan precisely matched to the motor for quiet running
This means occupants get steady cooling without the hum or rattle that comes from undersized or poorly matched fans. Quiet operation supports better rest in patient rooms and better focus in workspaces.
Compact Design for Tight Ceiling Spaces
Ceiling voids are crowded with ducts, pipes, and cable trays. The 42HS fits where taller units cannot.
- Unit height of less than 403 mm
- Saves installation space in shallow ceiling plenums
- Supports a wide range of building layouts and retrofit projects
A shorter body reduces the required ceiling drop. This enables higher finished ceilings, which improves both usable space and the look of the interior.
Flexible Configuration for Every Carrier Chiller Setup
No two mechanical designs are identical. The 42HS adapts to the piping and coil arrangement each project requires.
- Supports 2-pipe or 4-pipe systems
- Coil options: 3-row, 4-row, or 3+1 row
- 3-row, 4-row, or 3+1 row for standard applications
- 3-row or 4-row for district cooling applications
This range of choices lets engineers tune each unit to the exact cooling and heating demand of a zone. It also allows the same series to serve both simple 2-pipe cooling loops and full 4-pipe heat-and-cool systems.
Optional Accessories
The right accessories turn a base unit into a complete, controllable system. The 42HS supports a full set of factory and field options.
- Thermostat for room-level temperature control
- Motorized 2-way or 3-way valve for water flow regulation
- Drain pan options: standard, extended, or stainless steel
- Rear plenum boxes for controlled air distribution
- 25 mm aluminum filters for cleaner supply air
These add-ons let you match the unit to site conditions, water quality, and control requirements without changing the core equipment.
Features Summary
The following list groups the core strengths of the 42HS series in one place for quick reference.
- 7 models with airflow from 1,400 to 3,560 m³/h
- Wide-seam blue hydrophilic aluminum fins
- Wide impeller with forward-curved blades and a matched low-speed motor
- Unit height under 403 mm
- 2-pipe or 4-pipe compatibility with 3-row, 4-row, or 3+1 row coils
- Thermostat, motorized valves, multiple drain pans, plenum boxes, and 25 mm aluminum filters
Carrier 42HS FCU Specifications
Correct selection depends on accurate airflow, capacity, and dimensions. Use the table below to match each model to your project load.
Model | Airflow (m³/h) | Cooling Capacity (kW) | Dimensions (L×W×H mm) | Weight (kg) |
|---|---|---|---|---|
42HS008 | 1,400 | 6.2 | 1,000 × 298 × 557 | 36 |
42HS010 | 1,763 | 7.8 | 1,200 × 298 × 557 | 40 |
42HS012 | 2,204 | 9.6 | 1,200 × 340 × 602 | 46 |
42HS014 | 2,497 | 10.6 | 1,320 × 340 × 602 | 51 |
42HS016 | 2,913 | 11.9 | 1,320 × 403 × 642 | 57 |
42HS018 | 3,240 | 12.7 | 1,440 × 403 × 642 | 62 |
42HS020 | 3,560 | 14.2 | 1,560 × 403 × 642 | 66 |
Why Buy the Carrier 42HS From Workman Services
Equipment performance depends on correct sizing, clean installation, and reliable service. Workman Services manages design, supply, installation, testing, commissioning, and maintenance under one experienced team.
- Certified technicians for FCU selection and commissioning
- Clear, itemized quotations before work begins
- Service contracts and spare-parts support across Pakistan and the UAE
- Project experience across hospitals, banks, offices, and industrial facilities
For any project that pairs strong air distribution with a central plant, the 42HS High Static Pressure FCU delivers measured performance backed by local service.
Frequently Asked Questions
What airflow range does the 42HS High Static Pressure FCU cover?
The series offers 7 models with airflow from 1,400 to 3,560 m³/h and cooling capacities from 6.2 to 14.2 kW. This range suits both standard and district cooling applications.
How does the 42HS Chiller fan coil unit stay quiet?
The 42HS Chiller unit uses a newly developed wide impeller, forward-curved blades, and a low-speed fan matched to the motor. Together these reduce turbulence and keep sound levels low in noise-sensitive spaces.
Can the 42HS work with a 4-pipe system?
Yes. The unit supports both 2-pipe and 4-pipe systems, with 3-row, 4-row, or 3+1 row coil options. This lets it handle cooling-only loops or full heat-and-cool arrangements.
Is the 42HS Chiller FCU suitable for district cooling?
Yes. The 42HS Chiller series supports district cooling applications with 3-row or 4-row coils. It matches the chilled water supply from a central chiller air conditioner plant for balanced, efficient comfort.
What makes the coil efficient in this chiller ac fan coil unit?
The coil uses wide-seam blue hydrophilic aluminum fins that create an optimal heat transfer channel. In a chiller ac system, this improves cooling and heating output while keeping energy use low.
How compact is the 42HS unit?
Each unit has a height of less than 403 mm. This shallow profile saves space in tight ceiling voids and supports both new builds and retrofit projects.
What accessories are available for the 42HS?
Options include a thermostat, motorized 2-way or 3-way valves, standard, extended, or stainless steel drain pans, rear plenum boxes, and 25 mm aluminum filters. These match the unit to site and control requirements.
Contact Workman Services to request a quotation, confirm model sizing, or schedule a site assessment for your next chiller air conditioner project.
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