ICP EDM Series Manuale utente

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These

instructions

must

be

read

and

understood

completely

before

attempting

installation.

It

is

important

that

the

Blower

and

Duct

System

be

properly

sized

to

allow

the

system

to

operate

at

full

capacity.

Poorly

designed

systems

will

not

give

satisfactory

cooling

or

economy.

They

may

even

shorten

the

service

life

of

the

compressor

in

the

outdoor

unit.

Safety

Labeling

and

Signal

Words

DANGER,

WARNING,

CAUTION,

and

NOTE

Signal

Words

in

Manuals

The

signal

words

DANGER,

WARNING,

CAU-

The

signal

word

WARNING

is

used

throughout

this

TION,

and

NOTE

are

used

to

identify

levels

of

haz-

manual

in

the

following

manner:

ard

seriousness.

The

signal

word

DANGER

is

only

used

on

product

labels

to

signify

an

immediate

haz-

7IN

WARN

i

NG

ard.

The

signal

words

WARNING,

CAUTION,

and

NOTE

will

be

used

on

product

labels

and

through-

The

signal

word

CAUTION

is

used

throughout

this

out

this

manual

and

other

manuals

that

may

apply

manual

in

the

following

manner:

to

the

product.

DANGER

-

Immediate

hazards

which

will

result

in

yi

CAUTION

severe

personal

injury

or

death.

WARNING

-

Hazards

or

unsafe

practices

which

Signal

Words

on

Product

Labeling

could

result

in

severe

personal

injury

or

death. Signal

words

are

used

in

combination

with

colors

CAUTION

-

Hazards

or

unsafe

practices

which

and/or

pictures

on

product

labels.

may

result

in

minor

personal

injury

or

product

or

property

damage.

NOTE

-

Used

to

highlight

suggestions

which

will

result

in

enhanced

installation,

reliability,

or

opera-

tion.

TABLE

OF

CONTENTS

Installation...

eee

eee

2-4

Condensate

Drain

4-5

7

IN

WARN

i

NG

Waste

Line

Connection

........

0...

cece

eee

ees

5

ELECTRICAL

SHOCK

HAZARD

Refrigerant

Line

Connections

................0

00s

6

Failure

to

turn

off

electric

power

could

result

in

Refrigerant

Metering

Device

.........

0.2.00

eee

7

personal

injury

or

death.

Check

and

Adjust

Airflow

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

0000s

7-8

Before

installing

or

servicing

system,

turn

off

Start-Up

Procedure

......

00...

cece

eee

e

eens

g

|

main

power

to

the

system.

There

may

be

more

than

R-410A

Quick

Reference

Guide...............0..

9

ee

switch,

including

accessory

heat-

484

01

3001

03

Nov

2007

INSTALLATION

EDA

Loose

Coils

are

shipped

with

a

metal

collar

plate

approximately

the

same

size

as

the

drain

pan.

The

collar

plate

must

be

installed

between

the

drain

pan

and

the

furnace

or

air

handler

cabinet

to

prevent

condensation

inside

the

cabinet.

Position

the

collar

plate

as

shown

in

Figure

1,

with

the

flanges

pointing

down,

towards

the

furnace

or

air

handler

cabinet.

Size

the

plenum

or

fabricate

spacers

to

seal

against

the

outside

of

the

collar

and

prevent

air

bypass.

EDA

Collar

Plate

Figure

1

Collar Plate

SS

under

drain

ez

pos

oN

a

~~

Flanges

down

$s

EDM

and

EDD

Cased

Coils

are

designed

to

fit

furnaces

and

air

handlers

of

the

same

width

with

no

modifications.

When

an

EDM

or

EDD

Cased

Coil

is

applied

to

a

narrower

or

wider

furnace

or

air

handler,

afield

fabricated

adapter

is

required.

Refer

to

Figure

2

for

examples

of

field

fabricated

adapters.

EDM

coils

are

designed

for

installation

in

any

position

-

upflow,

downflow,

horizontal

left,

or

horizontal

right

-

without

modification

to

the

drain

pans

or

casing.

The

drain

pans

remain

in

the

same

positions

in

the

casing

no

matter

which

direction

the

air

moves.

A

CAUTION

PRODUCT

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

product

damage.

When

a

narrower

coil

is

installed

on

a

wider

gas

furnace

(upflow,

downflow,

or

horizontal),

a

field

fabricated

adapter

must

create

3”

minimum

space

between

furnace

and

coil

to

allow

airflow

to

dis-

tribute

evenly.

When

a

loose

coil

is

installed

on

any

GAS

furnace,

the

drain

pan

must

be

at

least

2”

away

from

the

fur-

nace

heat

exchanger

to

avoid

drain

pan

damage.

When

a

loose

coil

is

installed

on

any

OIL

furnace,

the

drain

pan

must

be

at

least

5”

away

from

the

fur-

nace

heat

exchanger

to

avoid

drain

pan

damage.

CAUTION

PROPERTY

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

proper-

ty

damage

A

A

field

fabricated

auxiliary

drain

pan, with

a

sepa-

rate

drain

is

REQUIRED

for

all

installations

over

a

finished

living

space

or

in

any

area

that

may

be

damaged

by

overflow

from

a

restricted

main

drain

pan.

In

some

localities,

local

codes

require

an

aux-

iliary

drain

pan

for

ANY

horizontal

installation.

484

01

3001

03

Figure

2

Adapters

for

Coils

Wider

or

Narrower

than

Furnace

or

Air

Handler

NARROWER

COIL

3”

MIN.

:

WIDER

FURNACE

!

ADAPTER

(FIELD

SUPPLIED)

ADAPTER

(2)

(FIELD

SUPPLIED)

NARROWER

FURNACE

NOTE:

When

coil

is

used

in

a

heat

pump

application

with

electric heat,

coil

must

be

installed

upstream

of

the

electric

heater

(refer

to

Figure

3).

This

prevents

electric

heat

from

driving

up

refrigeration

system

pressure

during

heating

cycle.

NOTE:

When

coil

is

installed

to

a

gas

or

oil

furnace,

coil

must

be

installed

downstream

of

the

furnace

heat

exchanger

(refer

to

Figure

4).

This

reduces

condensate

formation

in

the

furnace

heat

exchanger

during

the

cooling

cycle.

When

the

gas

or

oil

furnace

is

in

downflow

application

on

a

combustible

floor,

Sub-Base

accessory

must

be

installed

between

coil

and

floor.

Refer

to

Product

Specification

literature

for

accessory

part

number.

NOTE:

When

coil

is

installed

with

a

Heat

Pump

in

conjunction

with

a

fossil

fuel

heating

system,

a

Fossil

Fuel

Kit

must

be

used.

Refer

to

Product

Specification

literature

for

kit

part

number.

NOTE:

On

furnace

installations

where

the

coil

is

located

in

an

unconditioned

space,

nuisance

sweating

may

occur

in

the

area

around

the

cabinet

to

supply

duct

joint.

Wrap

the

joint

between

the

cabinet

and

the

supply

duct

with

a

6”

wide

piece

of

insulation

with

vapor

barrier.

Figure

3

Heat

Pump

Coil

Position

Relative

to

Electric

Heat

UPFLOW

POSITION

DOWNFLOW

POSITION

(

J

ELECTRIC

HEATER

BLOWER

BLOWER

bse)

ELECTRIC

HEATER

HORIZONTAL

LEFT

POSITION

©

eo

Qo

ELECTRIC

HEATER

BLOWER

HORIZONTAL

RIGHT

POSITION

BLOWER

ELECTRIC

HEATER

38-20-19a

484

01

3001

03

HEAT

EXCHANGER

FURNACE

HEAT

EXCHANGER

BLOWER

:

Oo

Figure

4

Coil

Position

Relative

to

Gas

or

Oil

Furnace

Heat

Exchanger

UPFLOW

POSITION

DOWNFLOW

POSITIO

HORIZONTAL

LEFT

POSITION

c

Wd

we

a

BLOWER

WZ

he

s6

|

8

ax

9

rc

ae)

a

=

FURNACE

Ww

SUB-BASE

ACCESSORY

HORIZONTAL

RIGHT

POSITION

BLOWER

FURNACE

HEAT

EXCHANGER

CONDENSATE

DRAIN

Coil

is

provided

with

two

%”

NPT

condensate

drain

connections.

(EDM

models

have

two

connections

for

upflow/downflow,

and

two

more

connections

for

horizontal.)

The

connection

with

the

larger

internal

opening

is

the

primary

drain,

and

the

connection

with

the

smaller

internal

opening

is

the

secondary

(overflow)

drain.

Condensate

drain

lines

should

be

installed

in

a

manner

that

does

not

obstruct

access

to

the

filter.

Use

PVC

fittings

on

the plastic

condensate

pan.

Finger

tighten

plus

114

turns.

Do

not

over-tighten.

Use

pipe

dope.

If

coil

is

located

in

or

above

a

living

space

where

damage

may

result

from

condensate

overflow,

a

separate

4” drain

must

be

provided

from

secondary

(overflow)

drain

connection.

Run

this

drain

to

a

place

in

compliance

with

local

installation

codes

where

it

will

be

noticed

when

unitis

operational.

Condensate

flowing

from

secondary

(overflow)

drain

indicates

a

plugged

primary

drain

-

unit

requires

service

or

water

damage

will

occur.

NOTE:

For

downflow

electric

furnace,

the

secondary

(overflow)

drain

connection

must

be

installed

to

prevent

possibility

of

water

dripping

onto

live

electrical

components.

1.

Connect

drain

lines

to

the

appropriate

drain

connections.

Drain

lines

should

not

be

smaller

than

the

drain

connections

(&’).

2.

NOTE:

Traps

must

be

used

when

the

coil

is

installed

on

the

return

air

side

of

the

system.

When

coil

is

installed

on

the

supply

side

(outlet

air)

it

is

not

necessary

to

install

traps

and

better

drainage

is

usually

achieved

without

traps.

Install

properly

sized

condensate

traps

in

the

drain

line

as

close

to

the

coil

as

possible.

Install

drain

lines

below

the

bottom

of

the

drain

pan and

pitch

the

drain

lines

down

from

the

coil

at

least

%

inch

per

foot

of

run.

Horizontal

runs

over

15

feet

long

must

also

have

an

anti-siphon

air

vent

(stand

pipe),

installed

ahead

of

the

horizontal

run.

An

extremely

long

horizontal

run

may

require

an

oversized

drain

line

to

eliminate

air

trapping.

Refer

to

Figure

5

for

minimum

trap

dimensions.

Route

to

the

outside

or to

a

floor

drain.

Check

local

codes

before

connecting

to

a

waste

(sewer)

line.

Prime

all

traps,

test

for

leaks,

and

insulate

drain

lines

where

sweating

could

cause

water

damage.

If

a

gravity

drain

cannot

be

used,

install

a

condensate

pump.

Install

the

pump

as

close

to

the

indoor

section

as

possible.

Figure

5

Recommended

Condensate

Trap

UNIT

2”

MIN

2”

MIN

484

01

3001

03

NOTE:

EDM

coils

3

tons

and

larger

feature

two

wires

fastened

between

the

horizontal

drain

pan

and

splash

guards,

at

the top

of

the

A-coil.

These

are

for

water

management

only.

These

wires

have

NO

electrical

significance

whatsoever.

They

are

only

for

channeling

condensate

from

the

splash

guards

to

the

drain

pan

in

horizontal

applications.

Refer

to

Figure

6.

Figure

6

Condensate

Wires

Condensate

Management

Wire

(both

sides)

WASTE

LINE

CONNECTION

If

the

condensate

line

is

to

be

connected

to

a

waste

(sewer)

line,

an

open

trap

must

be

installed

ahead

of

the

waste

line

to

prevent

escape

of

sewer

gases

(refer

to

Figure

7).

4&

WARNING

EXPLOSION

HAZARD

Failure

to

provide

trap

could

result

in

personal

in-

jury,

death,

or

property

damage.

Provide

trap

with

air

gap

in

drain

line

when

con-

necting

to

waste

(sewer)

line.

Refer

to

Figure

6.

Figure

7

Condensate

Drain

to

Waste

Line

Air

Gap

Above

Liquid

Level

Condensate

Line

Trap

484

01

3001

03

REFRIGERANT

LINE

CONNECTIONS

4&

WARNING

PERSONAL

INJURY

HAZARD

Failure

to

relieve

pressure

in

the

coil

could

result

in

personal

injury.

Wear

eye

protection.

Coil

is

factory

charged

with

15 psi

nitrogen.

Pierce

the

centers

of

both

rubber

tubing

plugs

to

relieve

pressure

before

removing

plugs.

NOTE:

Factory

nitrogen

charge

may

escape

past

rubber

plugs

during

storage.

This

does

not

indicate

a

leaking

coil

nor

warrant

return

of

the

coil.

Size

and

install

refrigerant

lines

according

to

information

provided

with

outdoor

unit.

Coil

connection

tube

sizes

are

shown

in

Figure

8.

Route

refrigerant

lines

to

the

coil

ina

manner

that

will

not

obstruct

service

access

to

the

unit

or

removal

of

the

filter.

1.

Remove

cabinet

door.

Remove

tubing

plate

with

rubber

grommets

and

slide

plate

with

grommets

onto

the

refrigerant

lines

(field

line-set),

away

from

braze

joints.

2.

Remove

rubber

plugs

from

coil

stubs

using

a

pulling

and

twisting

motion.

Hold

coil

stubs

steady

to

avoid

bending

or

distorting.

3.

Wrap

TXV

and

nearby

tubing

with

a

heat-sinking

material

such

as

a

wet

cloth.

4.

Fit

refrigerant

lines

into

coil

stubs.

Wrap

a

heat

sinking

material

such

as

a

wet

cloth

behind

braze

joints.

NOTE:

See

outdoor

unit

Installation

Instructions

regarding

requirements

for

installation

of

a

filter-drier

in

the

liquid

line

close

to

the

indoor

coil.

5.

Braze

using

a

Sil-Fos

or

Phos-copper

alloy.

6.

After

brazing,

allow

joints

to

cool.

Slide

tubing

plate

with

rubber

grommets

over

joints.

Position

tubing

at

center

of

each

grommet

to

ensure

an

air

seal

around

the

tube

(refer

to

Figure

9).

Figure

8

Coil

Connection

Tube

Size

(inch)

Model

Size

Liquid

Suction

18

(1%

ton)

%

¥%

24

(2

ton)

%

¥%

30

(2%

ton)

%

%

36

(3

ton)

%

%

42

(4%

ton)

%

%

48

(4

ton)

%

%

60

(5

ton)

%

%

Figure

9

Refrigerant

Lines

RUBBER

GROMMETS

TUBING

PLATE

Strainer

screen

is

factory

installed

inside

the

liquid

tube

stub

(TXV

tube).

Leave

the

strainer

screen

in

place

during

installation

(refer

to

Figure

10).

Figure

10

Strainer

Screen

yo

Screen

TXV

A

CAUTION

PRODUCT

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

product

damage.

Braze

with

Sil-Fos

or

Phos-copper

alloy

on

cop-

per-to-copper

joints

and

wrap

a

wet

cloth

around

rear

of

fitting

to

prevent

damage

to

TXV.

484

01

3001

03

REFRIGERANT

METERING

DEVICE

EDM2,

EDD2,

EDA2

Models:

These

Coils

have

a

factory

installed

hard

shut-off

TXV

designed

only

for

use

with

R-22

refrigerant.

Use

only

with

outdoor

units

designed

for

R-22.

EDM4,

EDD4,

EDA4

Models:

These

Coils

have

a

factory

installed

hard

shut-off

TXV

designed

only

for

use

with

R-410A

refrigerant.

Use

only

with

outdoor

units

designed

for

R-410A.

TXV

is

factory

set

and

not

field

adjustable.

CHECK

AND

ADJUST

AIR

FLOW

A

CAUTION

PRODUCT

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

product

damage.

This

Coil

has

a

hard

shut-off

TXV

metering

device.

Acompressor

Hard

Start

Kit

is

required

in

all

ap-

plications

where

the

matching

outdoor

unit

has

a

single-phase

reciprocating

compressor.

4&

WARNING

ELECTRICAL

SHOCK

HAZARD

Failure

to

shut

of

electric

power

could

result

in

personal

injury

or

death.

Before

adjusting

blower

speed,

shut

off

electric

power

to

the

furnace

or

blower

module.

It

is

important

that

the

correct

amount

of

air

(CFM)

flows

through

the

coil.

The

installer

must

determine

the

required

CFM

based

on

the

characteristics

of

the

specific

system

(such

as

system

size,

ducting,

components,

and

accessories).

In

general,

400

CFM

per

ton

is

the

nominal

required

value,

with

a

range

of

350

-

450

CFM

per

ton.

Check

Static

Pressure

Drop

and

CFM

Across

Coil

The

amount

of

air

(CFM)

is

related

to

a

pressure

drop.

To

determine

the

CFM,

measure

the

pressure

drop

using

an

inclined

manometer

(sometimes

called

draft

gauge

or

air

flow

gauge).

1.

The

coil

should

be dry

and

clean.

The

air

filter

must

be

clean

and

in

place.

All

registers

open.

DO

NOT

run

the

outdoor

unit

when

checking

air

flow.

2.

Run

the

blower

on

cooling

speed.

3.

Using

the

manometer

(draft

gauge

or

flow

gauge),

measure

the

static

pressure

drop

across

the

dry

coil

and

compare

it

to

the

numbers

in

Figure

11.

4.

Find

the

corresponding

CFM

in

Figure

11.

Adjusting

Air

Flow

If

CFM

is

too

low,

increase

the

blower

speed

and

measure

the

static

pressure

drop

again.

Determine

CFM

from

Figure

11.

If

CFM

is

too

high,

reduce

the

blower

speed

and

measure

the

static

pressure

drop

again.

Determine

CFM

from

Figure

11.

NOTE:

Change

blower

speed

as

shown

instructions

for

the

furnace

or

air

handler.

in

the

NOTE:

It

may

not

be

possible

to

obtain

a

gauge

reading

exactly

the

same

as

shown

in

Figure

11.

This

is

due

to

variations

in

duct

systems

and

blower

speeds.

If

the

motor

is

at

the

highest

speed

and

the

CFM

is

still

not

high

enough,

replace

the

blower

and/or

motor

with

a

larger

size.

If

the

unit

has

an

adjustable

belt

driven

blower,

use

an

ammeter

to

check

the

motor

current

draw.

If

the

current

draw

is

higher

than

the

motor

name

plate

amps,

replace

the

motor

with

one

of

greater

horsepower.

484

01

3001

03

Figure

11

|

CFM

and

Pressure

Drop

|

CFM

Static

Pressure

Drop

Across

Coil

CFM

Static

Pressure

Drop

Across

Coil

Coil

Across

(Inches

Water

Column)

Coil

Across

(Inches

Water

Column)

Size

Coil

Dry

Wet

Size

Coil

Dry Wet

188

500

0.096 0.106

1200

0.129

0.137

tystons

FO

0.127

0.140

40)

1300

0.148 0.159

700

0.161

0.183

1400

0.168

0.180

700

0.134

0.141

32

tons

[F509

0.189 0.203

248

800

0.166 0.176

1600

0.211

0.228

2tons

[399

0.200

0.215

1200

0.114

0.142

700

0.110 0.118

1300

0.130

0.161

24F

800

0.134

0.146

42L

1400

0.146

0.182

2tons

[399

0.160

0.176

32

tons

[F509

0.164

0.202

800

0.137

0.143

1600

0.182 0.222

30B 900

0.169

0.174

1400

0.250

0.263

2

tons

|

1000

0.204

0.211

ABE

1500

0.284

0.297

1100

0.241 0.251

1600

0.320 0.336

800

0.101

0.106

4tons

[7799

0.358

0.376

30F 900

0.121

0.129

1800

0.398 0.418

2

tons

|

1000

0.143

0.154

1400

0.192

0.196

1100

0.168

0.181

48)

1500

0.219 0.225

1000

0.188 0.202

1600

0.245 0.253

368

1100

0,224

0.240

4tons

[7799

0.273 0.283

1200

0.262

0.281

1800

0.303

0.314

Stons

[73909

0.303 0.325

1400

0.180

0.193

1400

0.349

0.374

48L

1500

0.198

0.214

1000

0.133 0.139

1600

0.222

0.241

36F

1100

0.154

0.163

4tons

[7799

0.247

0.270

1200

0.177

0.189

1800

0.275

0.296

Stons

[7309

0.203

0.216

1700

0.260

0.285

1400

0.227

0.245

60U

1800

0.288 0.315

1000

0.104 0.106

5tons

|

1900

0.316 0.346

36)

1100

0.121

0.124

2000

0.347

0.381

1200

0.139

0.144

1700

0.232 0.263

Stons

[7309

0.159

0.166

60L

1800

0.256

0.291

1400

0.181

0.190

5tons

|

1900

0.283

0.321

1200

0.180

0.208

2000

0.308

0.354

1300

0.201 0.231

ae

tone

1400

0.228

0.275

1500

0.267

0.314

1600

0.291

0.348

8

484

01

3001

03

START-UP

PROCEDURE

Refer

to

outdoor

unit

Installation

Instructions

for

refrigeration

system

start-up

instructions

and

refrigerant

charging

method

details.

R-410A

QUICK

REFERENCE

GUIDE

«

R-410A

refrigerant

operates

at

50%

-

70%

higher

pressures

than

R-22.

Be

sure

that

servicing

equipment

and

replacement

components

are

designed

to

operate

with

R-410A.

¢«

R-410A

refrigerant

cylinders

are

rose

colored.

«

Recovery

cylinder

service

pressure

rating

must

be

400

psig,

DOT

4BA400

or

DOT

BW400.

«

R-410A

systems

should

be

charged

with

liquid

refrigerant.

Use

a

commercial

type

metering

device

in

the

manifold

hose.

¢

Manifold

sets

should

be

750

psig

high-side

and

200

psig

low-side

with

520

psig

low-side

retard.

«

Use

hoses

with

750

psig

service

pressure

rating.

*

Leak

detectors

should

be

designed

to

detect

HFC

refrigerant.

*«

R-410A,

as

with

other

HFC

refrigerants,

is

only

compatible

with

POE

oils.

*

POE

coils

absorb

moisture

rapidly.

Do

not

expose

oil

to

atmosphere.

*

POE

coils

may

cause

damage

to

certain

plastics

and

roofing

materials.

«

Vacuum

pumps

will

not

remove

moisture

from

oil.

¢

A

liquid

line

filter-drier

is

required

on

every

unit.

¢

Do

not

use

liquid

line

filter-driers

with

rated

working

pressures

less

than

600

psig.

¢

Do

not

install

a

suction

line

filter-drier

in

liquid

line.

¢

Wrap

all

filter-driers

and service

valves

with

wet

cloth

when

brazing.

«

Do

not

use

with

an

R-22

TXV.

¢

[f

indoor

unit

is

equipped

with

an

R-22

TXV,

it

must

be

changed

to

an

R-410A

TXV.

¢«

Do

not

use

capillary

tube

indoor

coils.

¢«

Never

open

system

to

atmosphere

while

it

is

under

a

vacuum.

«

When

system

must

be

opened

for

service,

break

vacuum

with

dry

nitrogen

and

replace

all

filter-driers.

¢«

Do

not

vent

R-410A

into

the

atmosphere.

¢

Observe

all

WARNINGS,

CAUTIONS,

NOTES,

and

bold

text.

484

01

3001

03

9