Features of Air Handling Unit,
1) Panel Type: Double Skin
2) Panel Thickness: 25/40/50mm
3) Panel heat preservation: High pressure foamed polyurethane, 40Kg/m³
4) Install Type: Floor
5) Heating and Cooling System: Optional coil
6) Control System: Optional
7) Heat Recovery Section: Plate heat exchanger or Heat recovery wheel
Working principle of Air Handling Unit
1. Both supply fan and exhaust fan are built inside to bring in fresh air and exhaust out the stale indoor air as well, thus to keep indoor space in natural comfort.
2. Built-in heat exchanger (rotary heat exchanger or Plate heat exchanger) transfers energy contained in the outgoing indoor air to the coming fresh air, Thus fresh air is precooled or preheated.
3. Various functional sections such as filter section, Cooling/heating section, humidifying section etc. Can be combined together to meet different air treatment requirements.
Housing construction features
1) Frost resisting cold bridge design
Double-skin panel sandwiched with high density PU foam, thermal conductivity below 0.01999W/m· Degree, insuring high performance between -40 Degree and +70 Degree.
2) High mechanical strength
Galvanized sheet inner skin, color steel sheet outer skin, strong steel framework, pressure endurance up to 2000PA, suitable for large air application.
3) High air impermeability
Double inlaid sealing to join the frameworks and panels tight, minimizing air leakage.
4) Flexible combination
Designed with 102mm modulus, frameworks and panels are flexible to change according to design Requirements.
Beijing Holtop is specialized in AHUs, with large airflow range,
With function sections of Plate coarse filter, Mixing filters, Cooling coil, Heating coil, Steam heating coil, Electrical heater, Wet-film humidifier, Dry steam humidifier, High pressure spray humidifier, Double gasified humidifier, Fans, Rotary heat exchanger, plate heat exchanger, Mixing section, OPTIONAL
| No. |
Part Name |
Material |
Description |
| 1 |
Unit panel |
external plate material is colorful steel sheet t0.4mm, specialized for air conditioning |
elegant apprearance, dignity, high corrosion resistance |
| inner plate material is galvanized steel sheet t0.5mm |
adopt spangle-free |
| 2 |
Panel heat preservation |
high pressure foamed polyurethane t 50mm |
good insulation performance, high strength, foaming ratio 40Kg/m³ |
| 3 |
Other heat preservation |
polyethylene foaming |
good insulation performance |
| 4 |
Unit frame |
t 1.0mm colorful steel sheet frame |
corrosion resistance, long product life, high strength |
| 5 |
Copper tube of cooling coil |
Ø 12.7mm copper tube, wall thickness 0.41mm |
phosphorized seamless copper tube, good heat-transfer
|
| 6 |
Cooling coil fin |
Ø 12.7mm copper tube, adopt aluminium foil t0.15mm |
aluminium foil surfact dealt with acrylic resin |
| 7 |
Cooling coil header/piping |
seamless steel pipe, taper pipe welded |
HVAC special pressureizated seamless steel pipe |
| 8 |
Drain pan |
stainless steel, ( cold-roll steel sheets spray treatment t1.5mm, optional standard type) |
corrosion resistance, long product life, clean |
| 9 |
Rotary heat exchanger |
sensible, 0.05mm heat exchang aluminum foil |
high efficient heat exchange, clean-self |
| 10 |
Primary filter |
G4 synthetic plate type, PVC frame |
non-woven |
| 11 |
Secondary filter |
F7 synthetic bag type, PVC frame |
non-woven |
| 12 |
Supply fan/Exaust fan |
Belt drive multi-blade anteverted centrifugal fan |
high-quality bearings, good performance, low noise |
| 13 |
Damper |
Rubber damper |
good elastictiy, good vibration reducing performance, low the noise |
| 14 |
Braid connection |
PVC coating |
B1 flame-proof type |
| 15 |
Unit base |
C type steel |
surface spraying treatment, high strength, high corrosion resistance |
| 16 |
Package form |
wood pallet, wrapping film |
|
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