![background image](http://html.mh-extra.com/html/carrier/opticlean-39uv/opticlean-39uv_installation-operation-and-maintenance-instructions_2560278007.webp)
5 - ROUTINE MAINTENANCE
WARNING :
Risk of releasing hazardous material if maintenance
is not performed.
5.1 - Daily
Inspect the unit:
1. power cord is not broken, frayed or worn, and the plug is fully
engaged at the wall outlet.
2. casters are locked.
3. red filter/obstruction indicator is not illuminated.
4. unit operates without excessive vibration or unusual noises.
5. flexible exhaust ducting (if used) is not kinked or damaged,
and securely attached at both ends.
5.2 - Cleaning
Routinely clean any dust and contaminants from the exterior of
the unit and power cord with a mild cleaner. Do not use excessive
liquid neither running or high pressured water. Decontaminate as
necessary with a facility -and EPA- approved disinfectant.
5.3 - Filter Replacement
CAUTION :
PERSONAL PROTECTION
Consider the filters contaminated. Wear appropriate
Personal Protective Equipment (gown, gloves,
respirator, glasses, etc) when changing filters, and
seal them immediately in plastic bags for disposal.
Filter cells are flammable products, the risk of fires
increases depending on the elements filtered by the
media.
Keep the filters away from flames.
WARNING :
MOVING PARTS & SHARP EDGES HAZARD
Failure to follow this warning could result in personal
injury. Do not place objects on top of the discharge
plenum.
Keep hands and face away.
Rotating blower wheel can cause serious injury.
Always use cut-resistant gloves when handling.
NOTE: Before replacing filters, check to make sure there is
nothing impeding the airflow into the unit. Check under the
unit for paper, rubbish, etc., that may be trapped on the intake
side.
NOTE: If your facility already has a procedure in place for
replacing filters, follow your procedure. If guidance is needed,
then follow these instructions.
5.4 - Pre-Filter
The pre-filter must be replaced every 90 days.:
1. Put on Personal Protective Equipment.
2. Move the power switch to the OFF (O) position.
3. Unplug the power cord from the unit, and from the wall outlet.
4. Listen to make sure the blower wheel has stopped spinning,
then remove the side door panel.
5. Remove the filter holding frame on top of filters
(Fig. 7).
6. Remove the HEPA filter and immediately put it inside an
approved containment bag.
7. Remove the pre-filter from cabinet and immediately put it inside
an approved containment bag. Dispose as ordinary industrial
waste.
8. Replace the pre-filter (
See P.10
for reference). Note the air-flow
arrows on the filter and make sure they point up. Replace the
bottom front door panel. Replace the HEPA filter
9. Position the new HEPA filter into the unit with the gasket on
the filter facing up, on the discharge side of the filter. Make
sure the HEPA filter is centered and the edges align with the
pre-filter for a complete seal.
10. Replace the filter holding frame
(Fig. 7).
11. Inspect the filter for a complete and tight fit.
12. Replace the door panel.
13. Plug in the unit and rock the power switch up to the ON (I)
position.
5.5 - HEPA Filter
If the red indicator light is illuminated and did not extinguish after
prefilter replacement, order a new filter within 2 weeks maximum.
See P.10 for reference.
1. Put on Personal Protective Equipment.
2. Move the power switch to the OFF (O) position.
3. Unplug the power cord from the unit, and from the wall outlet.
4. Listen to make sure the blower wheel has stopped spinning,
then remove the side door panel.
5. Remove the filter holding frame on top of filters
(Fig. 7).
6. Remove the HEPA filter and immediately put it inside an
approved containment bag. Dispose as ordinary industrial waste.
7. Position the new HEPA filter into the unit with the gasket on
the filter facing down, on the discharge side of the filter. Make
sure the HEPA filter is centered and the edges align with the
pre-filter for a complete seal.
8. Replace the filter holding frame
(Fig. 7).
9. Inspect the filter for a complete and tight fit.
10. Replace the door panel.
11. Plug in the unit and rock the power switch up to the ON (I)
position.
Fig. 6 - Filters
Filter holding frame
HEPA Filter
Pre-filter
Fig. 7 - Filter holding frame
7