Installation, Operation, & Maintenance for CRFF-E Series
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Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | [email protected] | www.krueger-hvac.com
Cleaning the CRFF-E Prefilte
r
Disconnect the unit from the electrical
power source before attempting any
service.
Tools Required: None
Filter Dimensions: 23.25”x
16
”
1.
2.
3.
4.
To gain access to the prefilte , remove the ceiling
panel next to the unit, if applicable.
Switch the ON/OFF switch to the OFF position.
Remove the prefilter from the snap-in frame
(See Figure 1)
Clean the prefilter by hand washing in water with
mild detergent or by using a vacuum cleaner. Allow
prefilter to dry completely before replacing
5. Reassemble by reversing the above steps.
Note: To keep the filter in top operating condition, washing the
foam prefilter is recommended every three to six months.
!
PREFILTER SURFACE ON TOP SIDE
SUPPORT SCREEN ON BOTTOM SIDE
FIGURE 1: BASIC UNIT ASSEMBLY
ON/OFF SWITCH
Summary of Contents for CRFF-E
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