
2
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Before performing service or maintenance operations
on unit, turn off main power switch to unit. Electrical
shock and rotating equipment could cause injury.
!
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow this warning could result in personal
injury or death.
Units with convenience outlet circuits may use
multiple disconnects. Check convenience outlet for
power status before opening 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
R
(R--410A) refrigerant systems operate at
higher pressures than standard R--22 systems. Do not
use R--22 service equipment or components on Puron
refrigerant equipment.
!
WARNING
CUT HAZARD
Failure to follow this caution may result in personal
injury.
Sheet metal parts may have sharp edges or burrs. Use
care and wear appropriate protective clothing, safety
glasses and gloves when handling parts and servicing
air conditioning units.
CAUTION
!
UNIT ARRANGEMENT AND ACCESS
General
Fig. 1 and Fig. 2 show general unit arrangement and
access locations.
FILTER ACCESS PANEL
INDOOR COIL ACCESS PANEL
C08449
Fig. 1 -- Typical Access Panel Locations (Rear)
BLOWER
ACCESS
PANEL
CONTROL BOX
COMPRESSOR
C09243
Fig. 2 -- Typical Access Panel Locations (Front)
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
S
Wire terminal tightness
Содержание 50LC 07
Страница 9: ...9 COOLING CHARGING CHARTS C150169 Fig 9 Cooling Charging Charts 07 ...
Страница 10: ...10 COOLING CHARGING CHARTS C150172 Fig 10 Cooling Charging Charts 08 ...
Страница 11: ...11 COOLING CHARGING CHARTS C150170 Fig 11 Cooling Charging Charts 09 ...
Страница 12: ...12 COOLING CHARGING CHARTS C150171 Fig 12 Cooling Charging Charts 12 ...
Страница 27: ...27 C150181 Fig 34 50LC 07 Control Wiring Diagram ...
Страница 28: ...28 C150225 Fig 35 50LC 07 RTU Open Control Wiring Diagram ...
Страница 29: ...29 C14095 Fig 36 50LC 07 Power Wiring Diagram 208 230V 460V and 575V Units ...
Страница 30: ...30 C14013 Fig 37 50LC 08 12 Control Wiring Diagram ...
Страница 31: ...31 C14104 Fig 38 50LC 08 12 RTU Open Control Wiring Diagram ...
Страница 32: ...32 C14105 Fig 39 50LC 08 12 Power Wiring Diagram 208 230V Units ...
Страница 33: ...33 C150216 Fig 40 50LC 08 12 Power Wiring Diagram 460V 575V Units ...
Страница 57: ...57 C13683 Fig 62 Typical EconoMi er X Wiring Diagram ...