York XT AHU - FILTER REPLACEMENT PROCEDURES; ECONOMIZER DAMPER MAINTENANCE

JOHNSON CONTROLS
66
FORM 102.20-OM2
ISSUE DATE: 6/01/2015
SECTION 3 - MAINTENANCE
Replacing the Filters
1. Checkltersizesandquantities.Refertothelter
labellocatedoneachltersegment.
2. RemovelterframeendcoverasshowninFigure
66 on page 66and Figure 67 on page 66.
3. Removeoldlters,ifpresent.
4. Make sure gaskets at both ends of the side load
ltertracksareinplace.Thegasketsarenormally
foundoninsideoflterframeendcovers.
5. Slidethecorrectsizenewltersintotracks.
6. Onbaglters(inFFsegments),leavebandingin
place until ltersare installed; then remove. In-
stallthebaglterssothatthepocketdividersare
verticaliftheltersareover12in.high.
7. Airowarrowsmustpointdownstream(indirec-
tionoftheairow).
8. Install all pleated lters with pleats positioned
vertically.
9. Reinstallthelterframeendcover.
FIGURE 66 - INSTALLING ANGLE FILTERS
LD09651
Filter
Filter
Frame
End
Cover
Rigid
Filter
Pre
Filters
FIGURE 67 - INSTALLING SIDE LOAD FILTERS
LD09652
Filter
Frame
End Cover
ECONOMIZER SEGMENT (DAMPERS)
Prior to occupancy, test ventilation sys-
tem to ensure that outdoor air dampers
operate properly in accordance with the
system design.
Cleaning Procedure
Cleaning of dampers should be performed before op-
eration is hindered in any way. Maintenance personnel
must determine when cleaning is necessary based on
observation and operation.
Do not use lubricants. Johnson Controls
suggests cleaning with contact cleaner
or 50/50 H
²
O/alcohol solution. Consult
proper building personnel to ensure
above solution will not harm personnel
or equipment.
Hardware Check
Make sure all linkage parts, actuators and, mounting
brackets are secure.
COIL SEGMENT CLEANING
Tools, Equipment and Materials
• Pressure washer that does not exceed 2000 psi.
Sprayer (utility garden, etc.) applicator
• Plastic sheeting and duct tape
• Screening
• Coil cleaner (safe, commercial, disinfecting)
• Garden hose and spray nozzle
• Pail and rags
• Trash bags
• Power cords
• Four-inch paint brush