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ELECTRICAL OPERATION HAZARD
Failure to foll ow this warning could result in personal
injury or death.
Before performing service or maintenance operations
on unit, turn off main power switc h to unit. E lectric al
shock and rotating equipment could cause i njury.
!
WARNING
ELECTRICAL OPERATION HAZARD
Failure to foll ow this warning could result in personal
injury or death.
Units with conveni ence out let circuits may use
multiple disconnects. Check convenience outlet for
power status before ope ning unit for service. Locate
its disconnect switch, if appropriate, and open it.
Tag-- out this switch, if necessary.
!
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal
injury, death and/or equipment damage.
Puron (R410A) refri gerant systems operate at higher
pressures than sta ndard R--22 systems. Do not use
R--22 service equipment or components on Puron
refrigerant equipment.
!
WARNING
FIRE, EXPLOSION HAZARD
Failure to foll ow this warning could result in personal
injury or death.
Disconnect gas piping from unit when pressure testing
at pressure greater than 0.5 psig. Pressures greater
than 0.5 psig will cause gas valve damage resulting in
hazardous condition. If gas valve is subjected to
pressure greater than 0.5 psig, it must be replaced
before use. When pressure testing field-supplied gas
piping at pressures of 0.5 psig or less, a unit connected
to such piping must be i solated by closing the manual
gas valve(s).
!
WARNING
UNIT ARRANGEMENT AND ACCESS
General
Fig. 1 and Fig. 2 show general unit arrangement and
access locations.
FILTERACCESS PANEL
OUTDOOR-AIR OPENINGAND
INDOOR COILACCESS PANEL
COMPRESSOR
ACCESS PANEL (04-07 only)
C08449
Fig. 1 -- Typical Access Panel Locations
BLOWER
ACCESS
PANEL
CONTROL BOX
COMPRESSOR
(08-12 only)
C08450
Fig. 2 -- Blower Access Panel Location
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)
S Return air filter replacement
S Outdoor hood inlet filters cleaned
S Belt tension checked
S Belt condition checked
S Pulley alignment checked
S Fan shaft bearing locking collar tightness checked
S Condenser coil cleanliness checked
S 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
S Condenser fan motor mounting bolts tightness
S Compressor mounting bolts
S Condenser fan blade positioning
S Control box cleanliness and wiring condition
580J