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MAINTENANCE
These items should be part of a routine maintenance pro-
gram, 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)
INDOOR SECTION
•
Condenser coil cleanliness checked.
•
Return air filter replacement
•
Outdoor hood inlet filters cleaned
•
Fan shaft bearing locking collar tightness checked
•
Condensate drain checked
Heating
•
Power wire connections
•
Fuses ready
•
Manual-reset limit switch is closed
See Tables 9 and 10 for unit specific maintenance
checklists.
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
•
Condenser fan motor mounting bolts tightness
•
Compressor mounting bolts
•
Condenser fan blade positioning
•
Control box cleanliness and wiring condition
•
Wire terminal tightness
•
Refrigerant charge level
•
Evaporator coil cleaning
•
Evaporator blower motor amperage
FAS-FHS-240-336-02SI
Table 9 — Outdoor Unit Maintenance Checklist
Outdoor unit specific:
Clear away debris and vegetation near
unit.
Inspect cabinet for damage. Replace
components that are damaged or
severely rusted.
Inspect electrical disconnect for proper
function. Repair or replace as necessary.
Inspect electrical wiring and connections.
Tighten loose connections. Inspect and
perform functional test of equipment as
needed to ensure proper function. Repair
or replace damaged or overheated
components and wiring.
Check refrigerant system subcooling and
superheat.
Inspect inside of unit. Clean if debris is
present.
Inspect condenser coil. Clean if dust, dirt,
or debris is present. Rinse unit with fresh
water.
Inspect motor and fan for damage. Make
sure fans spin freely.
NOTE(S):
a
The above list may not include all maintenance items. Inspection intervals may
vary depending on climate and opening hours. Consult your local dealer about
a service contact for seasonal inspections.
b
Monthly maintenance items and outdoor unit rinsing may be performed by the
customer. All other maintenance items and all service work must be performed
by a qualified service technician. Read all warning labels.
c
Do not use harsh chemicals or high pressure water on coils. More frequent rins-
ing is required near a sea coast.
d
Monthly rinsing of the condenser coil is recommended if the unit is located in a
corrosive climate.
Table 10 — Indoor Unit Maintenance Checklist
Indoor unit specific: (for accessories
refer to unit specific literature)
Inspect, clean, or replace air filter if dirty.
Inspect and clean blower assembly
(includes blower housing, wheel, and
motor). Lubricate shaft bearings.
Inspect internal and external cabinet.
Clean as needed.
Inspect electrical disconnect for proper
function. Repair or replace as necessary.
Inspect electrical components, wiring,
and connections. Tighten loose
connections. Repair or replace damaged
components and wiring.
Inspect evaporator coil. Clean if dust, dirt,
or debris is present.
Clean condensate pan, trap, and drain
lines (more frequent maintenance may be
required in humid climates — consult
your local HVAC dealer).
Inspect motor and fan for damage. Make
Inspect airflow system (ductwork). Check
for leaks and repair as needed.
NOTE(S):
a
The above list may not include all maintenance items. Inspection intervals may
vary depending on climate and opening hours. Consult your local dealer about
a service contact for seasonal inspections.
b
Monthly maintenance items and outdoor unit rinsing may be performed by the
customer. All other maintenance items and all service work must be performed
by a qualified service technician. Read all warning labels.
c
Do not use harsh chemicals or high pressure water on coils. More frequent rins-
ing is required near a sea coast.
Specifications subject to change without notice.
MAINTENANCE CHECKLIST
a
c
MAINTENANCE CHECKLIST
a
c
RECOMMENDED
INTERVAL
b
Monthly
Annual
X
X
X
X
X
X
X
d
X
RECOMMENDED
INTERVAL
b
Monthly
Annual
X
X
X
X
X
X
X
X
29
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