Figure 7.16 Condenser Fan Position - Carrier 69NT40-541-505 Operation And Service Manual

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7.10.3
Condenser Coil Preparation
Before installing the new condenser coil, the receiver
assembly and mounting hardware must be removed
from the old coil assembly:
a. From the old coil, unbolt the receiver assembly
from side support bracket.
b. Unbraze the receiver assembly from the coil
outlet line and remove from the coil assembly.
c. Unbolt the side support bracket from the top and
bottom coil supports and remove from old coil.
d. Refit the side support bracket to the new coil
ensuring that the top and bottom are flush
mounted with the coil support.
7.10.4
Condenser Coil Installation
Once the side support bracket has been secured to the
new condenser coil, the entire assembly is ready to be
installed into the unit:
a. Slide the new condenser coil into place ensuring
the coil inlet connection is mated to the pipework
and that the coil is fully supported.
b. Secure the condenser coil into the unit using the
retained hardware; refit the mylar and fender
washers:
1. Refit the side support bracket bolts.
2. Refit the top support bracket bolts as well as the
top grille extension support.
3. Refit the bottom support bracket bolts.
c. Braze the condenser coil inlet connection.
d. Insert the receiver pipe work onto the coil outlet
and loosely secure the receiver assembly to the
side support bracket with the retained hardware.
e. Braze the outlet connection to the receiver
assembly.
f. Install a new filter drier.
g. Replace the liquid line cushion clamps.
h. Secure the receiver assembly to the side sup-
port bracket.
i.
Pressure / leak test the coil and filter drier con-
nections, refer to
j.
Evacuate the entire unit, refer to
k. Slide the top and bottom drain lines back into
place through the side support bracket.
l.
Using the two supplied straight connectors and
contact adhesive reconnect the drain lines.
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m. Slide the condenser fan motor wiring harness
back through the side support bracket and refit
to condenser motor.
n. Replace all wire ties that were removed to prop-
erly secure the drain line and wiring.
o. Reseal the wire harness and drain line penetra-
tions with the putty.
p. Slide the condenser fan onto the motor shaft
reversed but do not secure.
q. Refit the condenser fan shroud to the unit. Use
the condenser fan as a guide to ensure the
shroud is properly centered around the fan.
r. Remove the condenser fan, and place it on the
shaft facing the correct direction. Adjust the fan
to the correct position, 37mm (1.5") from the fan
shroud, see

Figure 7.16 Condenser Fan Position

s. Use Loctite "H" on the fan set screws, and tighten.
t. Refit left and right infill panels.
u. Refit the condenser fan grille, ensuring the grille
is properly centered around the condenser fan.
v. Evacuate the entire unit, refer to
7.6.
w. Recharge the unit with the charge shown on the
unit serial plate, refer to
ant for proper unit operation that the charge is
weighed into the unit.
7–12
Figure
7.16.
37mm (1.5")
Fan
Shroud
Section
Section
7.7. It is import-
7.6.

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