Product Details
Product Introduction:
Horizontal concealed fan coil units (without plenum boxes), often referred to as horizontal bare‑unit models, are the most fundamental standard terminal devices in central air-conditioning systems. The unit features a compact horizontal configuration and is designed for installation in horizontal spaces such as suspended ceilings or corridor ceilings. It does not include an integral return‑air plenum or supply‑air plenum; instead, it provides only standard outlet flanges and return‑air connections, allowing the installer to connect ductwork on site or utilize the ceiling space for direct return airflow, as required. This design offers flexible installation options, cost‑effectiveness, and space‑saving benefits.
Main functions of the Products:
In addition to its standard cooling, heating, dehumidification, and air purification functions, the horizontally mounted model places particular emphasis on:
1. Efficient Cooling and Heating: By transferring heat between the chilled or hot water circulating through the coil and the indoor air, and in conjunction with a thermostat, each unit independently controls the room temperature to meet heating and cooling demands.
2. Flexible supply and return air adaptation: Its fan‑less design provides exceptional on‑site adaptability. It can be easily connected to square or round ductwork and, when paired with bottom return, rear return, or ceiling plenum return, accommodates a wide range of interior finishes and airflow configurations.
3. Saves installation space and costs: The integrated plenum design has been eliminated, resulting in a more compact and lightweight unit that lowers the overall height of the system—making it particularly well-suited for retrofit projects or budget‑friendly applications where ceiling space is extremely limited.
4. Low-noise operation: The fan impeller and motor are precisely balanced and adjusted, and the interior of the housing is lined with sound-absorbing insulation, effectively reducing both mechanical and aerodynamic noise. With proper installation, the unit delivers quiet airflow.
5. Easy Maintenance: Typically, the return air inlet or the unit’s lower panel is pre‑equipped with a mounting location for a filter. The filter can be removed and cleaned directly through the ceiling access panel, eliminating the need to disassemble the unit.
Product model specifications:
| Model number |
Air volume (m³/h) |
Cooling capacity (kW) |
Heating capacity (kW) |
Noise dB(A) |
Motor power (W) |
Water resistance (kPa) |
Inlet and outlet pipe diameter |
External dimensions (L×W×H) mm |
Net weight (kg) |
| FP-34WA |
340 |
1.80 |
3.00 |
≤35 |
32 |
15 |
DN20 |
750×450×230 |
18 |
| FP-51WA |
510 |
2.70 |
4.50 |
≤37 |
45 |
18 |
DN20 |
850×450×230 |
21 |
| FP-68WA |
680 |
3.60 |
6.00 |
≤39 |
55 |
22 |
DN20 |
950×450×230 |
24 |
| FP-85WA |
850 |
4.50 |
7.50 |
≤41 |
72 |
26 |
DN20 |
1050×450×230 |
28 |
| FP-102WA |
1020 |
5.40 |
9.00 |
≤43 |
96 |
30 |
DN20 |
1150×450×230 |
32 |
| FP-136WA |
1360 |
7.20 |
12.0 |
≤45 |
134 |
35 |
DN25 |
1350×500×250 |
38 |
| FP-170WA |
1700 |
9.00 |
15.0 |
≤47 |
174 |
38 |
DN25 |
1550×500×250 |
44 |
| FP-204WA |
2040 |
10.8 |
18.0 |
≤49 |
210 |
42 |
DN25 |
1750×550×270 |
52 |
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