ICP END4X36L17A1 - Installation Manual

484 01 3601 02

8/9/17

Specifications subject to change without notice.

INSTALLATION INSTRUCTIONS

Cased N Coil, Upflow

−

Downflow

END4X, ENW4X

NOTE

: Read the entire instruction manual before starting the

installation.

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service,

maintenance, or use can cause explosion, fire, electrical shock,

or other conditions which may cause death, personal injury or

property damage. Consult a qualified installer, service agency, or

your distributor or branch for information or assistance. The

qualified installer or agency must use factory

−

authorized kits or

accessories when modifying this product. Refer to the individual

instructions packaged with the kits or accessories when

installing.
Follow all safety codes. Wear safety glasses, protective clothing,

and work gloves. Use quenching cloth for brazing operations.

Have fire extinguisher available. Read these instructions

thoroughly and follow all warning or cautions included in

literature and attached to the unit. Consult local building codes

and the current editions of the National Electrical Code (NEC)

NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical

Code CSA C22.1.
Recognize safety information. When you see this symbol

on

the unit and in instructions or manuals, be alert to the 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

result in severe personal injury or death.

WARNING

signifies hazards which

could

result in personal

injury or death.

CAUTION

is used to identify unsafe practices

which

may

result in minor personal injury or product and

property damage.

NOTE

is used to highlight suggestions which

will

result in enhanced installation, reliability, or operation.

IMPORTANT

: Nitrogen can leak out through the hole that the

needle pierced in the plugs. This does not indicate a leaking coil
nor warrant return of the coil.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal

injury or death.
Before installing, modifying or servicing system, always

turn off main power to system. There may be more than

one disconnect switch. Lock out and tag switch with a

suitable warning label.

!

WARNING

PERSONAL INJURY HAZARD

Failure to follow this caution may result in personal

injury.
This coil contains Nitrogen precharge of 15 PSIG.

Release of this pressure through the center of the

rubber plugs is required before removing the plugs.

CAUTION

!

ENVIRONMENTAL HAZARD

Failure to follow this caution may result in environmental

pollution.
Remove and recycle all components or materials (i.e.

oil, refrigerant, etc.) before unit final disposal.

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

!

UNIT OR PROPERTY DAMAGE HAZARD

Failure to follow this caution may result in property

damage.
Take precautions to ensure Aluminum tubes do not

come in direct contact or allow for condensate run

off with a dissimilar metal. Dissimilar metals can

cause galvanic corrosion and possible premature

failure.

CAUTION

!

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

INTRODUCTION

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Airflow

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TXV

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inspect Equipment

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Select Installation Procedure

2

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation of Furnace Coils

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect Refrigerant Piping

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect Refrigerant Liquid and Suction Lines

5

. . . . . . . . . . . . .

Refrigerant Metering Device

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Condensate Drain Line Connection

5

. . . . . . . . . . . . . . . . . . . . . .

Waste Line Connection

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Humidifier Application

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INTRODUCTION

Use this instruction manual to install indoor coils on upflow or

downflow furnaces. Do not install coil in horizontal position. Coils

are enclosed in a painted casing have factory

−

installed TXV’s.

These coils are used with R

−

410A refrigerant systems.