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UNIT ARRANGEMENT AND ACCESS
General
Figures 1-4 show general unit arrangement and access locations.
Fig. 1 — Typical Access Panel Locations
(size 8-14 units)
Fig. 2 — Typical Access Panel Locations
(size 16 units)
Fig. 3 — Blower Access Panel Location
(size 8-14 units)
Fig. 4 — Blower Access Panel Location
(size 16 units)
Routine Maintenance
These items should be part of a routine maintenance program, to
be checked every month or two, until a specific schedule for each
can be identified for this installation:
QUARTERLY INSPECTION (AND 30 DAYS AFTER
INITIAL START)
• Return air filter replacement
• Outdoor hood inlet filters cleaned
• Condenser coil cleanliness checked
• Condensate drain checked
SEASONAL MAINTENANCE
These items should be checked at the beginning of each season (or
more often if local conditions and usage patterns dictate):
Air Conditioning
• Ensure outdoor fan motor mounting bolts are tight
• Ensure compressor mounting bolts are tight
• Inspect outdoor fan blade positioning
• Ensure control box is clean
• Check control box wiring condition
• Ensure wire terminals are tight
• Check refrigerant charge level
• Ensure indoor coils are clean
• Check supply blower motor amperage
Heating
• Heat exchanger flue passageways cleanliness
• Gas burner condition
• Gas manifold pressure
• Heating temperature rise
Economizer or Outside Air Damper
• Check inlet filters condition
• Check damper travel (economizer)
• Check gear and dampers for debris and dirt
Filter Access Panel
Indoor Coil Access Panel
Filter Access Panel
Indoor Coil Access Panel
Control Box
Access Panel
Indoor
Access
Panel
Flue
Hood
Control Box
Access Panel
Blower
Access Panels
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