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4

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

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.

CAUTION

!

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.

A06284

Fig. 3 

 

Channels Removal

  

Remove this portion

Remove this portion

Remove this portion

Remove this portion

A96359

Fig. 4 

 

Channel Cutting

4. Place the two 

support rails

 in the sides of the casing and

the 

collar 

as indicated in Fig. 5 & 6.

 

A06286

Fig. 5 

 

Support Rails Installation

  

A06287

Fig. 6 

 

Collar Installation

IMPORTANT

: Insure that

 collar 

is level for proper drainage.

5. Slide new N

coil on top of 

collar

. See Fig. 7 & 8.

  

A06288

Fig. 7 

 

Uncased N

Coil Installation

Summary of Contents for CNPVU1814ACA

Page 1: ...he potential for personal injury Understand the signal words DANGER WARNING CAUTION and NOTE These words are used with the safety alert symbol DANGER identifies the most serious hazards which will res...

Page 2: ...ith R 22 refrigerant Use only with outdoor units designed for R 22 NOTE All TXVs have preset superheat settings and are not field adjustable Airflow Airflow amount and distribution are vital to adequa...

Page 3: ...VU37171A C T L A 3 19 1 8 16 3 4 19 3 8 16 1 4 3 8 7 8 KCAKC3201ECC CNPVU4221A C T L A 3 1 2 19 1 8 20 1 4 19 3 8 19 5 8 3 8 7 8 KCAKC2801ECC CNPVU4324A C T L A 3 1 2 19 1 8 23 3 4 19 3 8 23 1 8 3 8 7...

Page 4: ...remature 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 g...

Page 5: ...old N coil from casing and discard coil 3 Slide new N coil into casing 4 Cut holes for liquid suction and drain connections in the existing header panel Use new header plate supplied with coil as tem...

Page 6: ...t seal and better installation presentation 7 Seal all joints to create air tight seal using locally approved materials IMPORTANT Locate caution label stapled to installation instructions Attach to ri...

Page 7: ...fabricated secondary condensate pan under the entire unit CAUTION The coil is designed to dispose of accumulated water through built in condensate drain fittings It is recommended that PVC fittings b...

Page 8: ...removed from their casing and applied dir ectly into the plenum affix this Caution Label to the right side of the plenum enclosure This is needed only in cases where the humidifier is not installed w...

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