Bryant COMMERCIAL AIR COOLED CONDENSING UNITS 576b - Manual (Page 10)

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SERVICE
I. CLEANING
Inspect unit interior at the beginning of each cooling season
and as operating conditions require.
A. Condenser Coil
Inspect coil monthly. Clean condenser coil annually, or as
required by location and outdoor-air conditions.
Clean coil as follows:
1. Turn off unit power and tag disconnect.
2. Remove and save top panel screws on condensing
unit.
3. Remove condenser coil corner post. See Fig. 8. To hold
top panel open, place coil corner post between top
panel and side panel. See Fig. 9.
4. Remove bracket holding coil sections together at
return end of condenser coil. Carefully separate the
outer coil section 3 to 4 in. from the inner coil section.
See Fig. 10.
5. Use a water hose or other suitable equipment to flush
down between the 2 coil sections to remove dirt and
debris. Clean the outer surfaces with a stiff brush in
the normal manner.
6. Reposition the outer coil section, attach the bracket
removed in Step 4, and remove the coil corner post
from between the top panel and side panel. Secure
the sections together. Install the coil corner post and
replace all screws (removed in Step 2).
II. LUBRICATION
A. Compressors
Each compressor is charged with the correct amount of oil at
the factory. Refer to the Oil Charge section on page 9 for
additional information.
B. Fan Motor Bearings
Fan motor bearings are of the permanently lubricated type.
No further lubrication is required.
III. CONDENSER-FAN ADJUSTMENT (Fig. 11)
1. Shut off unit power supply, and tag disconnect.
2. Remove condenser-fan assembly (grille, motor, motor
cover, and fan).
3. Loosen fan hub setscrews.
4. Adjust fan height as shown in Fig. 11.
5. Tighten set screws.
6. Replace condenser-fan assembly.
WARNING: When servicing unit, shut off all elec-
trical power to unit to avoid shock hazard or injury
from rotating parts.
Fig. 8 — Cleaning Condenser Coil
Fig. 9 — Propping Up Top Panel
Fig. 10 — Separating Coil Sections
NOTE: Fan height adjustments are as follows:
Fig. 11 — Outdoor (Condenser) Fan Adjustment
UNIT in. mm
569C072 4.50 114
All Units
(except 569C072)
6.42 163