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Fire-Rated Access Panel
Fire-Rated Access PanelCritical for fire-resistance-rated walls and ceilings, these panels maintain the required hourly rating (e.g., 1–2 hours) when installed with intumescent seals and proper framin...
2026.08.31
First, the access opening method
1. Turn off the power supply of the central air conditioner to ensure safety;
2. Find the access port (usually at the side or top) on the central air conditioning coil or main engine;
3. Use a screwdriver or key to open the access button (the specific opening method varies with different models);
4. After opening the manhole, the central air conditioner can be cleaned, repaired or replaced with parts.
5. After the operation is completed, buckle the manhole back to its original position and turn off the power supply of the central air conditioner again.
