Frequently Asked Questions
|
Maintenance > Monthly Cleaning
Question:
What are the cleaning requirements for a PTAC on a monthly basis?
Answer:
AIR FILTERS
The indoor and vent air filters should be cleaned once per month. Filters that are not cleaned become clogged and will restrict airflow. This may lead to major component damage. If a filter becomes torn, has holes, or other damage, replace it with a new one. Replacement filters are available through Carrier Finished Goods and Carrier Replacement Component Division.
CLEANING THE INDOOR AIR FILTER
Remove the indoor air filter as follows:
1. Remove the front panel to access the indoor air filter. To remove front panel, grasp panel firmly near the top of each side. Lift upward and pull forward.
It is not necessary to use excessive force. See Figure 1.
FIGURE 1 - REMOVING FRONT PANEL
2. To remove the indoor air filter, gently grasp the 2 filter tabs, push down, and pull out. See Figure 22.
FIGURE 22 - REMOVING FILTER
3. Once the indoor air filter has been removed, use a vacuum cleaner, or a soft bristle brush and a small amount of mild dish detergent to gently
wash the filter. If detergent is used, remove detergent residue with a gentle, clean water stream. Let the filter air dry. Be sure to reinsert the filter into the unit.
REPLACING THE INDOOR AIR FILTER
Access and remove indoor air filter as detailed above in Cleaning the Indoor Air Filter. Use a filter replacement with the Carrier Part No. AIR-FILTER-25PAK, available through Carrier Finished Goods and Carrier Replacement Component Division.
CLEANING THE VENT AIR FILTER
1. Remove the unit chassis from wall sleeve as described in the General Disassembly section of this manual. See Figure 6.
FIGURE 6 - UNIT TO WALL SLEEVE MOUNTING SCREWS
2. Swing open vent door. The filter is located directly behind the vent door. See Figure 23
FIGURE 23 - ACCESSING VENT AIR FILTER
3. Remove the vent air filter by gently pushing on the filter slot.
4. Once the vent air filter is removed, it may be cleaned using either a vacuum cleaner, or a soft bristle brush and a small amount of mild dish
detergent. If detergent is used, remove detergent residue with a gentle, clean water stream. Let the filter air dry. Be sure to reinsert the filter into the unit.
REPLACING THE VENT AIR FILTER
Access and remove the vent air filter as detailed above in Cleaning the Vent Air Filter. Use a filter replacement with the Carrier Part No. 52SQ500204, available through Replacement Components Division.
CHASSIS
As-needed cleaning of the unit's exterior surfaces (Figure 24) optimizes the unit's appearance and removes particles that may enter the air system. The 52S units are built to resist corrosion. The indoor front panel and wall sleeve are created from non-metallic compounds that do not rust. Additional corrosion protection may be factory installed on the partition, control box, and outside coil for use in highly corrosive environments. Mild detergents reduce electrostatic charges on plastic sections on the grille and are good cleaners. Use such detergent cleaners sparingly.
Use a clean cloth or brush to gently wipe exterior surfaces. Be careful not to push dirt or other fibers into the unit's interior. Accessible sleeve surfaces should also be wiped clean.
FIGURE 24 - UNIT FRONT PANEL AND SLEEVE
|
|
|
