Procedure 3 - Installation Of Evaporator Coil - Carrier CNPVU1814ACA Installation Instructions Manual

See Table 1 and 2 for dimensions and overhang options. Note
instructions for placement of coil casing on furnace.
For replacement applications using an existing CD5 coil assembly
follow Procedure 3A.
For replacement applications using an existing CK5 coil assembly
follow Procedure 3B.
For replacement applications using an existing uncased A−coil
plenum installation follow Procedure 3C.
For new applications using a KCAKC N−coil kit casing follow
Procedure 3D.
For new applications using a field−fabricated plenum installation
follow Procedure 3E.
Procedure 3 — Installation of Evaporator Coil
CAUTION
!
UNIT OR PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in product or
property damage.
Take precautions to ensure that aluminum tubes do no come
in direct contact or allow for condensate runoff with
dissimilar metal. Dissimilar metals can cause galvanic
corrosion and possible premature failure.
CAUTION
!
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 and gloves when
handling parts.
3A. Upflow and downflow applications using an existing CD5
coil casing.
1. Remove and keep front access and tubing header panel.
2. Remove old A−coil from casing and discard coil.
3. Remove the two internal side channels from existing casing
by removing 4 screws each side (see Fig.3, recommended
procedure). When screws cannot be reached, cut top and
bottom portions of the channels as indicated in Fig. 4.
Fig. 3 − Channels Removal
4. Place the two support rails in the sides of the casing and
the collar as indicated in Fig. 5 & 6.
Fig. 5 − Support Rails Installation
IMPORTANT: Insure that collar is level for proper drainage.
5. Slide new N−coil on top of collar. See Fig. 7 & 8.
A06284
Fig. 7 − Uncased N−Coil Installation
4
Remove this portion Remove this portion
Remove this portion Remove this portion
Fig. 4 − Channel Cutting
Fig. 6 − Collar Installation
A96359
A06286
A06287
A06288