Service; Cleaning; Lubrication; Condenser-Fan Adjustment - Carrier 38AK007 Installation, Start-Up And Service Instructions Manual

Air-cooled condensing units 50/60 hz
Table of Contents

Advertisement

SERVICE

When servicing unit, shut off all electrical power to the
unit to avoid shock hazard or injury from rotating parts.
Cleaning —
Inspect unit interior at the beginning of each
cooling season and as operating conditions require.
CONDENSER COIL — Inspect coil monthly. Clean con-
denser coil annually and as required by location or outdoor-
air conditions.
Clean coil as follows:
1. Turn off unit power.
2. Remove and save top panel screws on condensing unit.
3. Remove condenser coil corner post. See Fig. 10. To hold
top panel open, place coil corner post between top panel
and side panel. See Fig. 11.
4. Remove bracket holding coil sections together at return
end of condenser coil. Carefully separate the outer coil
section 3 to 4 in. (75 to 100 mm) from the inner coil sec-
tion. See Fig. 12.
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, and secure the coil sec-
tions together by reinstalling the brackets removed in
Step 4.
7. Remove the coil corner post from between the top panel
and side panel.
8. Install the coil corner post and replace all screws re-
moved in Step 2.
Fig. 10 — Cleaning Condenser Coil

Lubrication

COMPRESSORS — Each compressor is charged with cor-
rect amount of oil at the factory. For additional information
on 38AKS units, refer to the Oil Charge section on page 10.
FAN MOTOR BEARINGS — Fan motor bearings are of
the permanently-lubricated type. No further lubrication is
required.
Condenser-Fan Adjustment (Fig. 13)
1. Shut off unit power supply.
2. Remove condenser-fan assembly (grille, motor, motor cover,
and fan).
Fig. 11 — Propping Up Top Panel
Fig. 12 – Separating Coil Sections
NOTE: Fan height adjustments are as follows:
UNIT
38AK007 (60 Hz)
All 50-Hz Units
All 60-Hz Units
(Except 38AK007)
Fig. 13 — Condenser-Fan Adjustment
3. Loosen fan hub setscrews.
11
in.
mm
4.50
114
6.42
163

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

38aks00838aks00938ak01238ak00838aks012

Table of Contents