Carrier CNPVU1814ACA Installation Instructions Manual page 5

Fig. 8 − Uncased N−Coil & CD5 Casing
6. Cut new holes for liquid, suction and drain connections in
the existing header panel. Use new header plate supplied
with new coil as template to locate holes. Align bottom of
new header plate to the bottom of the header panel as indic-
ated in Fig. 9.
Fig. 9 − Use Header Plate as Template
7. Slide header panel over tubing and condensate pan connec-
tions. Secure fitting panel to casing.
8. Slide new header plate and grommets over tubing and
condensate pan connections and secure it to the header pan-
el to cover up oversized and additional holes. This will
provide an airtight seal and better installation presentation.
See Fig. 10.
Fig. 10 − Header Plate Installation
9. Reinstall and secure front access panel to casing.
3B. Upflow and downflow applications using an existing CK5
coil casing.
1. Remove and keep front access and tubing header panel.
2. Remove old N−coil from casing and discard coil.
3. Slide new N−coil into casing.
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Align Through
Bottom Hole
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4. Cut holes for liquid, suction and drain connections in the
existing header panel. Use new header plate supplied with
coil as template to locate holes. Align header plate to the
header panel using the upper hole as indicated in Fig. 11.
Align through
upper hole
Fig. 11 − Use Header Plate as Template
5. Slide header panel over tubing and condensate pan connec-
tions. Secure fitting panel to casing.
6. Cut bottom portion of header plate, just below the drain
connections, see Fig. 12.
Fig. 12 − Header Plate Cut−Off
7. Slide header plate and grommets over tubing and con-
densate pan connections and secure it to the header panel to
cover up oversized and additional holes. This will provide
an airtight seal and better installation presentation (See Fig.
13).
8. Reinstall and secure front access panel to casing.
Fig. 13 − Uncased N−Coil & CK5 Casing
3C. Upflow and downflow replacement applications using an
existing plenum with an uncased A−coil.
1. Cut front access of plenum so that old A−coil can be re-
moved.
5
Cut this portion
66.2 66.2 mm mm
approx. 2-5/8"
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