Trane CAH-SVX01A-EN Benutzerhandbuch

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Routine Maintenance
 CAH-SVX01A-EN
49
Air Filters
Refer to product catalog 
CLCH-PRC003-EN for filter sizes, 
types, and quantities.
 WARNING
Hazardous Voltage with 
Capacitors!
Disconnect all electric power, 
including remote disconnects and 
discharge all motor start/run 
capacitors before servicing. Follow 
proper lockout/tagout procedures to 
ensure the power cannot be 
inadvertently energized. For variable 
frequency drives or other energy 
storing components provided by 
Trane or others, refer to the 
appropriate manufacturer’s 
literature for allowable waiting 
periods for discharge of capacitors. 
Verify with an appropriate voltmeter 
that all capacitors have discharged. 
Failure to disconnect power and 
discharge capacitors before 
servicing could result in death or 
serious injury. 
Note: For additional information 
regarding the safe discharge of 
capacitors, see PROD-SVB06A-EN.
Throwaway Filters
To replace throwaway filters, install 
new filters with the directional 
arrows pointing in the direction of 
airflow.
Note: Bag and cartridge filters must 
have an airtight seal to prevent air 
bypass. If using other than Trane-
supplied filters, apply foam 
gasketing to the vertical edges of the 
filter.
Permanent Filters 
To clean permanent filters:
1
Disconnect all electrical power to 
the unit.
2
Wash the filter under a stream of 
water to remove dirt and lint. 
3
Remove oil from the filter with a 
wash of mild alkali solution. 
4
Rinse the filter in clean, hot water 
and allow to dry.
5
Coat both sides of the filter by 
immersing or spraying it with Air 
Maze Filter Lote W or an 
equivalent.
6
Allow to drain and dry for about 
12 hours.
7
Reinstall the filter.
Note: It may be preferable to keep 
extra, clean filters to replace the 
dirty filters to minimize unit 
downtime for filter maintenance.
Front Load Filters
Most filters in custom units are 
installed in unitary sheet metal 
frames. Filters are secured with a 
metal clip. There are several 
different styles. 
To install filters:
1
Disconnect power to the unit.
2
Open or remove the filter clip.
3
Remove the filter from the rack.
4
Install new filters with the 
directional arrows pointing in the 
direction of airflow.
5
Secure the filter using the 
appropriate clip for each filter. 
The filters are often installed in a 
pre/post filter configuration. Be sure 
to note the order of installation.
Note: Filters must have an airtight 
seal to prevent air bypass.
Side Load Filters
Most filters in custom units are 
installed in unitary sheet metal 
frames. If unit is provided with side 
access rack, do the following for 
installation:
2-inch or 4-inch flat filters
1
Disconnect the power to the unit. 
2
Open the filter section access 
door and remove the filters and 
block-offs from their installed 
position.
3
Slide the filter into the rack.
4
Some side load racks will be 
provided with block-off plates. 
Install them into the rack last 
before closing the door. 
5
Close and secure the door, 
making certain the door closes 
snug against the block-off.
Bag or Cartridge Filters
1
Disconnect power to the unit.
2
Keeping the bag filters folded, 
slide each filter into the filter 
rack, pushing them tightly 
against the unit. Pleats should be 
in the vertical position.
3
If using optional pre-filters, slide 
them into the appropriate filter 
rack.
4
If block-offs are provided with the 
unit, slide the block-offs into the 
filter track.
5
Close and secure the access 
door, making certain the door 
closes snug against the rack. 
Note: The block-off is intended to 
make a seal when the access door is 
closed. It may require a few 
adjustments to ensure a proper seal.