Carrier 50ZP036300 Manual de usuario

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50ZP

10

SEER

Single

Packaged

Air

Conditioner

3-—5

Nominal

Tons

(Sizes

036—060)

turn

to

the

experts

UNIT

SHIPPED

DRY,

CHARGE

WITH

R-—22

REFRIGERANT

BEFORE

START—UP

Installation

NOTE:

Read

the

entire

instruction

manual

before

starting

the

installation.

TABLE

OF

CONTENTS

PAGE

SAFETY

CONSIDERATIONS

........

0.00.00

ce

eee

eee

1

General

2...

eee

eee

2

RECEIVING

AND

INSTALLATION

...............005

5-9

Check

Equipment

..

0.0.0...

00.

eee

eee

5

Identify

Unit

2...

ene

5

Inspect

Shipment

.....

0.0.0...

.

eee

eee

5

Provide

Unit

Support

..

2.0.0...

eee

ee

eee

5

Slab

Mount

2.00.0...

0.

0c

eee

5

Provide

Clearances

2.0...

0...

eee

eee

5

Place

Unit

2.0.0...

eee

ene

5

Select

and

Install

Ductwork...

0...

ee

5

Install

Flanges

for

Ductwork

Connections

(SOZP060

only)

.

5

Converting

Horizontal

Discharge

Units

to

Downflow

(Vertical)

Discharge

2.0.0...

ee

eee

eens

6

Charging

Unit

..

0.0...

0...

ee

6

Provide

for

Condensate

Disposal

..

2.0.0.0...

0.000.000

05

6

Install

Electrical

Connections

©...

0.0...

eee

8

High

Voltage

Connections

..

0.0.0...

0.0.0

e

eevee

eee

8

Routing

Power

Leads

into

Unit...

0.0.0.0...

0.

0.00000-

8

Connecting

Ground

Lead

to

Unit

Ground

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

8

Routing

Control

Power

Wires

.

2.0.0.0...

0.000000

ee

eee

8

Special

Procedures

for

208-V

Operation

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

9

PRE-START-UP

..

0.2...

eee

9

START-UP...

ee

10-11

MAINTENANCE

.....

0.0.00

.0.

000000

eee

eee

11-13

TROUBLESHOOTING

.............0.0

000000

eee

13

START-UP

CHECKLIST

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

0.0

.000005

13

NOTE:

TO

INSTALLER

-

Before

the

installation

,

READ

THESE

INSTRUCTIONS

CAREFULLY

AND

COMPLETELY.

Also,

make

sure

the

User’s

Manual

is

left

with

the

unit

after

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.

Instructions

2

°

e

L

Mf

MLL

ELE

LLL

a

fe

ML

|

LL

AKI

G

AE

Aa

MMM

AT

AI

AUC

LMM

Mt

\

ss

00001

Fig.

1

-

50ZP

(Size

036

Shown)

Follow

all

safety

codes.

Wear

safety

glasses,

protective

clothing,

and

work

gloves.

Use

quenching

cloth

for

brazing

operations.

Have

a

fire

extinguisher

available.

Read

these

instructions

thoroughly

and

follow

ail

warnings

or

cautions

included

in

literature

and

attached

to

the

unit.

Consult

local

building

codes,

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.

This

is

the

safety-alert

symbol

AY

When

you

see

this

symbol

on

the

unit

and

in

instructions

or

manuals,

be

alert

to

the

potential

for

personal

injury.

Understand

these

signal

words;

DANGER,

WARNING,

and

CAUTION.

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.

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death.

Before

installing

or

servicing

system,

always

turn

off

main

power

to

system

and

install

lockout

tag.

There

may

be

more

than

one

disconnect

switch.

11.57

16.06

[294.0]

[408.0]

p=

REQUIRED

CLEARANCE

TO

COMBUSTIBLE

MATL.

TOP

OF UNIT

DUCT

SIDE

OF

UNIT...

SIDE

OPPOSITE

DUCTS

BOTTOM

OF

UNIT

INCHES

[mm]

NEC.

REQUIRED

CLEARANCES.

INCHES

[rnm]

BETWEEN

UNITS,

POWER

ENTRY

SIDE...

ee

42,00

[1066.8]

°

UNIT

AND

UNGROUNDED

SURFACES,

POWER

ENTRY

SIDE

.36.00

[914.0]

UNIT

AND

BLOCK

OR

CONCRETE

WALLS

AND

OTHER

GROUNDED

SURFACES,

POWER

ENTRY

SIDE......000000...

42,00

[1066.8]

9.75

REQUIRED

CLEARANCE

FOR

OPERATION

AND

SERVICING

[247.6]

.

INCHES

[m

m|

CONDENSER

COIL

ACCESS

SIDE...

[

POWER

ENTRY

SIDE

00

[

ft

(EXCEPT

FOR

NEC

REQUIREMENTS)

UNIT

TOP

00

[1219.2]

SIDE

OPPOSITE

DUCTS

0

[762.0]

14.0 DIA.

LEGEND

[356.0]

REAR

VIEW

DUCT

OPENINGS

NEC

—

National

Electrical

Code

50.98

NOTES:

[1295.0]

.

Clearances

must

be

maintained

to

prevent

recirculation

of

air

from

outdoor

BOTTOM

OF

UNIT

fan

discharge,

with

the

exception

of

the

condenser

coil

(36.00

in

[914.0

mm],

A

removable

fence

or

barricade

requires

no

clearance,

EVAP,

COIL

i ¢

2,

Dimensions

are

in

inches.

Dimensions

in

[]

are

in

millimeters.

COND

H

COIL

oN

rt

m m m

31.99

[812.5]

BOTTOM

OF

UNIT

<<

BLOWER,

CONTROL

BOX

AND

EVAP.

ACCESS

PANEL

COMPRESSOR

PANEL

FIELD

ENTRY

TO

SERVICE

PORTS

COIL

272

21.61

[69.0]

[594.0]

1.75 DIA.

[44.5]

17.60

[447.0]

,

.

h

.

.

i

La.

20

[30.6]

19.61

2.50

LEFT

SIDE

VIEW

FRONT

VIEW

[498.1]

[63.5}

1.0540

1.DB

x

50

DEEP

[26.772

x

12.7]

RIGHT

SIDE

VIEW

Co00002

Fig.

2

-

Base

Unit

Dimensions,

50ZP036

UNIT

WEIGHT CENTER

OF

GRAVITY

IN.

(MM)

UNIT

ELECTRICAL

CHARACTERISTICS

ib

kg

X

Y

Zz

50ZP036

208/230-1-60,

208/230-3-60

234

406

(3:00)

(0.00)

(0.50)

bo

__

11.57

[294.0]

Eos

REQUIRED

CLEARANCE

TO

COMBUSTIBLE

MATL.

TOP

OF

UNIT...

DUCT

SIDE

OF

SIDE

OPPOSITE

DU:

BOTTOM

OF

UNIT........

INCHES

[mm]

2000

NEC.

REQUIRED

CLEARANCES.

INCHES

[mm]

BETWEEN

UNITS,

POWER

ENTRY

SIDE..

2.00

[1066.8}

UNIT

AND

UNGROUNDED

SURFACES,

POWER

ENTRY

‘SIDE

38.

00

[914.0]

UNIT

AND

BLOCK

OR

CONCRETE

WALLS

AND

OTHE

GROUNDED

SURFACES,

POWER

ENTRY

GE

42.00

[1066.8}

REQUIRED

CLEARANCE

FOR

OPERATION

AND

SERVICING

INCHES

[mm]

CONDENSER

COIL

ACCESS

SIDE

POWER

ENTRY

SIDE

(EXCEPT

FOR NEC

REQUIREMENT

UNIT

TOP

SIDE

OPPOSITE

DUCT:

30.00

[762.0]

«30.00

[762.0}

48.00

[1219.2]

9.75

0.00

[762.0]

[247.6]

LEGEND

J

#

NEC

-

National

Electrical

Code

14.0

DIA.

NOTES:

REAR

VIEW

[356.0]

1.

Clearances

must

be

maintained

to

prevent

recirculation

of

air

from

outdoor-

DUCT

OPENINGS

fan

discharge,

with

the

exception

of

the

condenser

coil

(36.00

in

[914.0

mm].

A

removable

fence

or

barricade

requires

no

clearance.

2.

Dimensions

are

in

inches.

Dimensions

in []

are

in

millimeters.

50.98

[1295.0]

BOTTOM

OF

UNIT

EVAPORATOR

COIL

CONDENSER

|

b

COIL

L

J

TT

||

|

Lota

F

||

If

31.99

|

i

[812.5]

|

iy

t6

BOTTOM

OF

UNIT

|

||

~

lI

e

ils

COM

\

BLOWER,

CONTROL

BOX

AND

EVAPORATOR

COIL

ACCESS

PANEL

2.72

21.64

[69.0]

[549.0]

0.88

DIA.

[22.2]

\

.

\_1.75

DIA.

-

25.60.

|

[650.2]

[44.5]

,

||

.

beg

/

19.61

2.50

_f

[498.1]

[63.5]

LEFT

SIDE

VIEW

FRONT

VIEW

1.0540

1.D.

x

.50

DEEP

[26.772

x

12.7]

RIGHT

SIDE

VIEW

C00003

Fig.

3

-

Base

Unit

Dimensions,

50ZP048

UNIT

WEIGHT CENTER

OF

GRAVITY

IN.

(MM)

UNIT

ELECTRICAL

CHARACTERISTICS

ib

kg

X

Y

Z

50ZP048

208/230-1-60,

208/230-3-60

308

440

(3:00)

(0.00)

(12.60)

DIMENSIONS

IN

[]

ARE

IN

mm

13.89

—

[352.7]

REQUIRED

CLEARANCE

TO

COMBUSTIBLE

MATL.

4.63

_.

13.89

e

(e211

INCHES

[mm]

[117.6]

[352.8]

153.7]

TOP

OF

UNIT

0

DUCT

SIDE

OF

UNIT..

0

SIDE

OPPOSITE

DUCTS...

0

BOTTOM

OF

UNIT

0

P

ia

=

NEC.

REQUIRED

CLEARANCES.

INCHES

[mm]

BETWEEN

UNITS,

POWER

ENTRY

SIDE...

eee

42,00

[1066.8]

UNIT

AND

UNGROUNDED

SURFACES,

POWER

ENTRY

SIDE

.36.00

[914.0]

|

UNIT

AND

BLOCK

OR

CONCRETE

WALLS

AND

OTHER

GROUNDED

SURFACES,

POWER

ENTRY

SIDE...

42.00

[1066.8]

I

ce

=

3

do

REQUIRED

CLEARANCE

FOR

OPERATION

AND

SERVICING

27-80

INCHES

[mm]

:

-

[708.0]

CONDENSER

COIL

ACCESS

SIDE...

...30.00

[762.0]

:

POWER

ENTRY

SIDE

»,..30,00

[762.0]

13.88

4

(EXCEPT

FOR

NEC

REQUIREMENTS)

[352.5]

7

4]

UNIT

TOP

48.00

[1219.2]

i

SIDE

OPPOSITE DUCTS

»,..30.00

[762.0]

i

.

.

|:

5.44

; a

LEGEND

*

-

i i

NEC

—

National

Electrical

Code

8.50

NOTES:

88.9

.

REAR

VIEW

f ]

1.

Clearances

must

be

maintained

to

prevent

recirculation

of

air

from

outdoor-

fan

discharge,

with

the

exception

of

the

condenser

coil

(86.00

in

[914.0

mm].

A

removable

fence

or

barricade

requires

no

clearance.

50.98

2.

Dimensions

are

in

inches.

Dimensions

in

[]

are

in

millimeters.

[1295.0]

BOTTOM

OF

UNIT

31.99

[812.5]

BOTTCK

OF

UNIT

NN

NS

S

SN,

N

.

AND

EVAP.

COIL

27200

21.61

-

69.0

[549.0]

COMPRESSOR

PANEL

\

F

5

1.75

DIA.

232)

iA.

[44.5]

\

,

\

i

_

a

oN

N/

\

34.13

[*

[867.0]

2960

|

[751.8]

1

1.20

LEFT

SIDE

VIEW

FRONT

VIEW

20S

|

geet

00

[25.4]

1,0540

1.D.

x

.50

DEEP~

(26.772

x

12.7]

RIGHT

SIDE

VIEW

coo004

Fig.

4

-

Base

Unit

Dimensions,

50ZP060

UNIT

WEIGHT CENTER

OF

GRAVITY

IN.

(MM)

UNIT

ELECTRICAL

CHARACTERISTICS

ib

kg

X

Y

Z

50ZP060

208/230-1-60,

208/230-3-60

344

156

(3:00)

(0.00)

(3:00)

4

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

clothing.

These

instructions

cover

minimum

requirements

and

conform

to

existing

national

standards

and

safety

codes.

In

some

instances,

these

instructions

exceed

certain

local

codes

and

ordinances,

especially

those

that

may

not

have

kept

up

with

changing

residential

construction

practices.

We

require

these

instructions

as

a

minimum

for a

safe

installation.

GENERAL

—

50ZP

cooling

units

are

fully

self-contained

and

designed

for

outdoor

installation.

See

Fig.

1.

As

shown

in

Fig.

2-4,

units

are

shipped

in

a

horizontal-discharge

configuration

for

installation

on

a

ground-level

slab.

All

units

can

be

field-converted

to

downflow

discharge

configurations

for

rooftop

applications

with

a

field-supplied

plenum

RECEIVING

AND

INSTALLATION

Step

1

—

Check

Equipment

IDENTIFY

UNIT

—

The

unit

model

number

and

serial

number

are

stamped

on

the

unit

identification

plate.

Check

this

information

against

shipping

papers.

INSPECT

SHIPMENT

—

Inspect

for

shipping

damage

while

unit

is

still

on

shipping

pallet.

If

unit

appears

to

be

damaged

or

is

torn

loose

from

its

securing

points,

have

it

examined

by

transportation

inspectors

before

removal.

Forward

claim

papers

directly

to

transportation

company.

Manufacturer

is

not

responsible

for

any

damage

incurred

in

transit.

Check

all

items

against

shipping

list.

Immediately

notify

the

nearest Carrier

Air

Conditioning

office

if

any

item

is

missing.

To

prevent

loss

or

damage,

leave

all

parts

in

original

packages

until

installation.

Step

2

—

Provide

Unit

Support

SLAB

MOUNT

—

Place

the

unit

on

a

rigid,

level

surface,

suitable

to

support

the

unit

weight.

The

flat

surface

should

extend

approximately

2-in.

(51

mm)

beyond

the

unit

casing

on

the

2

sides.

The

duct

connection

side

and

condensate

drain

connection

sides

should

be

flush

with

the

edge

of

the

flat

surface.

A

concrete

pad

or

a

suitable

fiberglass

mounting

pad

is

recommended.

A

6-in.

(152

mm)

wide

gravel

apron

should

be

used

around

the

flat

surface

to

prevent

airflow

blockage

by

grass

or

shrubs.

Do

not

secure

the

unit

to

the

flat

surface

except

where

required

by

local

codes.

The

unit

should

be

level

to

within

1/4

in.

(6

mm).

This

is

necessary

for

the

unit

drain

to

function

properly.

Step

3

—

Provide

Clearances

The

required

minimum

service

clearances

and

clearances

to

combustibles

are

shown

in

Fig.

2-4.

Adequate

ventilation

and

condenser

air

must

be

provided.

The

condenser

fan

pulls

air

through

the

condenser

coil

and

discharges

it

through

the

fan

on

the

top

cover.

Be

sure

that

the

fan

discharge

does

not

recirculate

to

the

condenser

coil.

Do

not

locate

the

unit

in

either

a

corner

or

under

an

overhead

obstruction.

The

minimum

clearance

under

a

partial

overhang

(such

as

a

normal

house

overhang)

is

48

in.

(1219

mm)

above

the

unit

top.

The

maximum

horizontal

extension

of

a

partial

overhang

must

not

exceed

48

in.

(1219

mm).

Do

not

place

the

unit

where

water,

ice,

or

snow

from

an

overhang

or

roof

will

damage

or

flood

the

unit.

The

unit

may

be

installed

on

wood

flooring

or

on

Class

A,

B,

or

C

roof

covering

materials.

Step

4

—

Place

Unit

Unit

can

be

moved

with

the

handholds

provided

in

the

unit

basepan.

Refer

to

Table

1

for

operating

weights.

Use

extreme

caution

to

prevent

damage

when

moving

the

unit.

Unit

must

remain

in

an

upright

position

during

all

moving

operations.

The

unit

must

be

level

for

proper

condensate

drainage;

the

ground-level

pad

must

be

level

before

setting

the

unit

in

place.

When

a

field-fabricated

support

is

used,

be

sure

that

the

support

is

level

and

that

it

properly

supports

the

unit.

Step

5

—

Select

and

Install

Ductwork

The

design

and

installation

of

the

duct

system

must

be

in

accordance

with:

*

the

standards

of

the

NFPA

(National

Fire

Protection

Association)

for

installation

of

nonresidence-type

air

conditioning

and

ventilating

systems;

¢

NFPA9OA

or

residence-type,

NFPA90B;

and/or

local

codes

and

residence-type,

NFPA

90B;

¢

and/or

local

codes

and

ordinances.

Select

and

size

ductwork,

supply-air

registers

and

return-air

grilles

according

to

ASHRAE

(American

Society

of

Heating,

Refrigeration,

and

Air

Conditioning

Engineers)

recommendations.

Use

the

duct

flanges

provided

on

the

supply-

and

return-air

openings

on

the

side

of

the

unit.

See

Fig.

2-4

for

connection

sizes

and

locations.

The

14-in.

(356

mm)

round

duct

collars

(size

036-048

units)

are

shipped

inside

the

unit

attached

to

the

indoor

blower.

They

are

field-installed

and

must

be

removed

from

the

indoor

cavity

prior

to

start-up,

even

if

they

are

not

used

for

installation.

INSTALL

FLANGES

FOR

DUCTWORK

CONNECTIONS

(S0ZP060

ONLY)

—

The

50ZP060

units

are

shipped

with flanges

which

must

be

field-installed

on

the

unit.

To

install

unit

flanges:

1.

Five

pieces

of

flange

are

shipped

on

the

return-air

opening

of

the

unit.

Remove

the

flanges

from

the

shipping

position.

See

Fig.

5.

Screws

are

field-supplied.

bo

.

One

piece

of

flange

is

used

as

it

is

shipped

(straight).

Bend

the

other

4

pieces

at

right

angles.

3.

Install

the

straight

flange

on

the

right

side

of

the

return-air

opening

in

holes

provided.

See

Fig.

6.

Flanges

should

stick

out

from

unit

to

allow

for

connection

of

ductwork.

4.

Install

2

hand-formed

flanges

onto

return

air

opening

in

holes

provided

to

form

a

rectangle

around

the

return

air

opening.

5.

Install

remaining

2

hand-formed

flanges

around

discharge

air

opening

in

holes

provided.

6.

Ductwork

can

now

be

attached

to

flanges.

When

designing

and

installing

ductwork,

consider

the

following:

UNIT

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

damage

to

unit

components.

When

connecting

ductwork

to

units,

do

not

drill

deeper

than

3/4

in.

(19.1

mm)

in

shaded

area

shown

in

Fig.

7

or

coil

may

be

damaged.

e¢

All

units

should

have

field-supplied

filters

installed

in

the

return-air

side

of

the

unit.

Recommended

sizes

for

filters are

shown

in

Table

1.

¢

Avoid

abrupt

duct

size

increases

and

reductions.

Abrupt

change

in

duct

size

adversely

affects

air

performance.

Use

flexible

connectors

between

ductwork

and

unit

to

prevent

transmission

of

vibration.

Use

suitable

gaskets

to

ensure

weathertight

and

airtight

seal.

5

¢

Size

ductwork

for

cooling

air

quantity

(CFM).

¢

Insulate

and

weatherproof

all

external

ductwork.

Insulate

and

cover

with

a

vapor

barrier

all

ductwork

passing

through

conditioned

spaces.

Follow

latest

Sheet

Metal

and

Air

Conditioning

Contractors

National

Association

(SMACNA)

and

Air

Conditioning

Contractors

Association

(ACCA)

minimum

installation

standards

for

residential

heating

and

air

conditioning

systems.

¢

Secure

all

ducts

to

building

structure.

Flash,

weatherproof,

and

vibration-isolate

duct

openings

in

wall

or

roof

according

to

good

construction

practices.

Fig.

8

shows

a

typical

duct

system

with

5OZP

unit

installed.

FIVE

PIECES

OF

DUCT

FLANGE

ATTACHED

HERE

FOR

SHIPMENT

00005

Fig.

5

-

Shipping

Location

of

Duct Flanges

(Size

060

Only)

00006

Fig.

6

-

Flanges

Installed

on

50ZP060

Units

Converting

Horizontal

Discharge

Units

to

Downflow

(Vertical)

Discharge

CE

UA

Le:

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death.

Before

performing

service

or

maintenance

operations

on

the

system,

turn

off

main

power

to

unit

and

install

lockout

tag.

There

may

be

more

than

one

disconnect

switch.

Units

are

dedicated

side

supply

products.

They

are

not

convertible

to

vertical

air

supply.

A

field-supplied

plenum

must

be

used

to

convert

to

vertical

air

discharge.

Step

6

—

Charging

Unit

Unit

is

shipped

with

a

nitrogen

holding

charge

only.

Slowly

release

nitrogen

charge

from

unit

using

service

gages

and

using

a

vacuum

pump

evacuate

unit

to

500

microns

or

lower.

To

locate

charging

ports,

remove

top

panel

which

provides

access

to

control

box

and

blower.

Charging

ports

are

located

under

top

panel.

Charge

unit

by

weight

using

an

electronic

scale.

R-22

charge

quantity

can

be

found

in

table

1

and

on

unit

rating

plate.

Do

not

over

charge.

Step

7

—

Provide

for

Condensate

Disposal

NOTE:

Be

sure

that

condensate-water

disposal

methods

comply

with

local

codes,

restrictions,

and

practices.

Unit

removes

condensate

through

a

1-3/64

-in.

(26.6

mm)

ID

hole

which

is

located

at

the

end

of

the

unit.

See

Fig.

2-4

for

location

of

condensate

connection.

19.17"

3.92"

se)

(486.9

mm)

(99.6

mm)

a

nuvi

EY

aN

ay

NY,

Ae

i

SSS

p

i

aN

HAA

CD

C00007

Fig.

7

-

Area

Not

to

Be

Drilled

More

Than

3/4-in.

[@[s)

THERMOSTAT

"se

DISCONNECT

PER

NEC*

ie

COMPOSITE

pect

RUST-PROOF

—

col

RS

BASEPAN

——

~

CONDENSATE

CONNECTION

mmm

Power

Wiring

Control

Wiring

»>

Condenser

Airflow

:

>

Evaporator

Airflow

*Separate

disconnect

per

NEC

(National

Electrical

Code)

A10018

Fig.

8

-

Typical

Installation

Table

1

-

Physical

Data

UNIT 50ZP

036 048 060

SHIPPING

WEIGHT

(Ibs)

278

352 388

(kg)

126 160 176

COMPRESSOR

TYPE

Reciprocating

Scroll

Reciprocating

REFRIGERANT

R22

Charge

(Ib)

4.2

5.5

6.9

(kg)

1.9

25

3.4

REFRIGERANT

METERING

DEVICE

Acutrol™

Device

Piston

CONDENSER

COIL

Copper

Tubes,

Aluminum

Plate

Fins

Rows...Fins/in.

2.17

2.17 2.17

Face

Area

(sq

ft)

6.2 8.6

10.7

CONDENSER-FAN

Propeller

Propeller

MOTOR

CFM

2000 2600 2800

Nominal

Rpm

1100 1100 1100

Motor

Hp

1/4

1/4

1/4

Diameter

(in.)

20 20 20

(mm)

508

508 508

EVAPORATOR

COIL

Copper

Tubes,

Aluminum

Plate

Fins

Rows...Fins/in.

3...15 3...15

4.15

Face

Area

(sq

ft)

3.1

4.3

49

EVAPORATOR

FAN

MOTOR

Direct

Drive

Blower

Motor

Size

(in.)

10x8 10x9

10x10

(mm)

254

x

203

254

x

229 254

x

254

Nominal

CFM

1200 1650 1700

Rpm

Range

800-1050

1000-1100

950-1100

Number

of

Speeds

3

2

3

Factory

Speed

Setting

Low Low Low

Motor

Hp

1/2

3/4

1

CONNECTING

DUCT

SIZES

Round

Square

Supply

Air

(in.)

14

13.9x

13.9

(mm)

356

353

x

353

Return

Air

(in.)

14

13.9

x

27.8

(mm)

356

353

x

706

FIELD-SUPPLIED

RETURN-AIR

FILTERt

Throwaway

(in.)

24

x

24 24

x

30

(mm)

610

x

610

610

x

762

tRequired

filter

sizes

shown

are

based

on

the

AHRI

(Air

Conditioning,

Heating

and

Refrigeration

Institute)

rated airflow

at

a

velocity

of

300

ft/min

for

throwaway

type

or

450

ft/min

for

high

capacity

type.

Recommended

filters

are

1—in.

(25

mm)

thick.

1”

(25

mm)

MIN,

V

TRAP

OUTLET

Y

2”

(51

mm)

MIN.

A08001

Condensate

Trap

(Using

Tubing)

\

PN

l-in.

5

mm)

min.

i

TRAP

OUTLET

<¢—

A

2-in.

(51

mm)

min.

t

A09052

Condensate

Trap

(Using

PVC

Piping)

Fig.

9

-

Condensate

Trap

HIGH-VOLTAGE

~=LOW-VOLTAGE

POWER

WIRING WIRING

ENTRY

ENTRY

HOLE

HOLE

Fig.

10

-

Unit

Electrical

Connection

Entry

Holes

00010

Condensate

water

can

be

drained

directly

onto

the

roof

in

rooftop

installations

(where

permitted)

or

onto

a

gravel

apron

in

ground

level

installations.

Install

a

field-supplied

condensate

trap

at

end

of

condensate

connection

to

ensure

proper

drainage.

Make

sure

that

the

outlet

of

the

trap

is

at

least

1

in.

(25

mm)

lower

than

the

drain-pan

condensate

connection

to

prevent

the

pan

from

overflowing.

See

Fig.

9.

Prime

the

trap

with

water.

When

using

a

gravel apron,

make

sure

it

slopes

away

from

the

unit.

If

the

installation

requires

draining

the

condensate

water

away

from

the

unit,

install

a

2-in.

(51

mm)

trap

using

a

3/4

-in.

OD

tubing

or

pipe.

See

Fig.

9.

Make

sure

that

the

outlet

of

the

trap

is

at

least

1

in.

(25

mm)

lower

than

the

unit

drain-pan

condensate

connection

to

prevent

the

pan

from

overflowing.

Prime

the

trap

with

water.

Connect

a

drain

tube

using

a

minimum

of

3/4

-in.

PVC,

3/4

-in.

CPVC,

or

3/4

-in.

copper

pipe

(all

field

supplied).

Do

not

undersize

the

tube.

Pitch

the

drain

tube

downward

at

a

slope

of

at

least

1

in.

(25

mm)

for

every

10

ft

(3

m)

of

horizontal

run.

Be

sure

to

check

the

drain

tube

for

leaks.

Prime

trap

at

the

beginning

of

the

cooling

season

start-up.

Allowable

glues

for

condensate

trap

connection

are:

Standard

ABS,

CPVC,

or

PVC

cement.

Step

8

—

Install

Electrical

Connections

4

WARNING

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death.

The

unit

cabinet

must

have

an

uninterrupted,

unbroken

electrical

ground

to

minimize

the

possibility

of

personal

injury

if

an

electrical

fault

should

occur.

This

ground

may

consist

of an

electrical

wire

connected

to

the

unit

ground

screw

in

the

control

compartment,

or

conduit

approved

for

electrical

ground

when

installed

in

accordance

with

NEC,

ANSI/NFPA

70

American

National

Standards

Institute/

National

Fire

Protection

Association

(latest

edition)

(in

Canada,

Canadian

Electrical

Code

CSA

C22.1)

and

local

electrical

codes.

4

CAUTION

UNIT

COMPONENT

DAMAGE

HAZARD

Failure

to

follow

this

caution

may

result

in

damage

to

the

unit

being

installed.

1.

Make

all

electrical

connections

in

accordance

with

NEC

ANSI/NFPA

70

(latest

edition)

and

local

electrical

codes

governing

such

wiring.

In

Canada,

all

electrical

connections

must

be

in

accordance

with

CSA

standard

C22.1

Canadian

Electrical

Code

Part

1

and

applicable

local

codes.

Refer

to

unit

wiring

diagram.

bo

.

Use

only

copper

conductor

for

connections

between

field-supplied

electrical

disconnect

switch

and

unit.

DO

NOT

USE

ALUMINUM

WIRE.

3.

Be

sure

that

high-voltage

power

to

unit

is

within

operating

voltage

range

indicated

on

unit

rating

plate.

On

3-phase

units,

ensure

phases

are

balanced

within

2

percent.

Consult

local

power

company

for

correction

of

improper

voltage

and/or

phase

imbalance.

4.

Do

not

damage

internal

components

when

drilling

through

any

panel

to

mount

electrical

hardware,

conduit,

etc.

HIGH-VOLTAGE

CONNECTIONS

—

The

unit

must

have

a

separate

electrical

service

with

a

field-supplied,

waterproof

disconnect

switch

mounted

at,

or

within

sight

from

the

unit.

Refer

to

the

unit

rating

plate

for

maximum

fuse/circuit

breaker

size

and

minimum

circuit

amps

(ampacity)

for

wire

sizing.

The field-supplied

disconnect

may

be

mounted

on

the

unit

over

the

high-voltage

inlet

hole.

See

Fig.

2-4.

Operation

of

unit

on

improper

line

voltage

constitutes

abuse

and

may

cause

unit

damage

that

could

affect

warranty.

ROUTING

POWER

LEADS

INTO

UNIT

—

Use

only

copper

wire

between

disconnect

and

unit.

The

high-voltage

leads

should

be

in

a

conduit

until

they

enter

the

unit;

conduit

termination

at

the

unit

must

be

watertight.

Run

the

high-voltage

leads

through

the

hole

on

the

contro!

box

side

of

the

unit (see Fig.

10

for

location).

When

the

leads

are

inside

the

unit,

run

leads

to

the

control

box

(Fig.

11).

For

single-phase

units,

connect

leads

to

the

black

and

yellow

wires;

for

3-phase

units,

connect

the

leads

to

the

black,

yellow,

and

blue

wires

(see Fig.

12).

CONNECTING

GROUND

LEAD

TO

UNIT

GROUND

—

Refer

to

Fig.

11

and

12.

Connect

the

ground

lead

to

the

chassis

using

the

unit

ground

lug

in

the

control

box.

COMPRESSOR

CONTACTOR

TRANSFORMER

GROUND

INDOOR

OUTDOOR

FAN

MOTOR

HIGH

LUG FAN

AND

COMPRESSOR

VOLTAGE

RELAY START

CAPACITOR

LEADS

At10019

Fig.

11

-

Control

Box

Wiring

UNIT

GROUND

GROUND

~~

Teap

f

SINGLE-PHASE

|)

20

dg

Ke

3-PHASE

CONNECTIONS

CONNECTIONS

JTODISCONNECT),

_

A

YEL-

TO

DISCONNECT

|PER

NEC

PER

NEC

L------4

~

BLu-

C00012

Fig.

12

-

Line

Power

Connections

ROUTING

CONTROL

POWER

WIRES

—

Form

a

drip-loop

with

the

thermostat

leads

before

routing

them

into

the

unit.

Route

the

thermostat

leads

through

grommeted

hole

provided

in

unit (see

Fig.

10)

into

unit

control

box.

Connect

thermostat

leads

to

unit

control

power

leads

as

shown

in

Fig.

13.

Route

thermostat

wires

through

grommet

providing

a

drip-loop

at

the

panel.

Connect

low-voltage

leads

to

the

thermostat

as

shown

in

Fig.

13.

The

unit

transformer

supplies

24-v

power

for

complete

system.

Transformer

is

factory

wired

for

230-v

operation.

If

supply

voltage

is

208

v,

rewire

transformer

primary

as

described

in

the

Special

Procedures

for

208-v

Operation

section

below.

YEL—+

OOO0e

‘

[

UNIT

CONTROL

BOX

THERMOSTAT

AND

SUBBASE

c00018

Fig.

13

-

Control

Connections

SPECIAL

PROCEDURES

FOR

208-V

OPERATION

4

WARNING

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death.

Before

performing

service

or

maintenance

operations

on

the

system,

turn

off

main

power

to

unit

and

install

lockout

tag.

There

may

be

more

than

one

disconnect

switch.

1.

Remove

wirenut from

connection

of

ORG

wire

to

BLK

wire.

Disconnect

the

ORG

transformer-primary

lead

from

the

BLK

wire.

Save

wirenut.

See

unit

wiring

label.

bo

.

Remove

the

wirenut from

the

terminal

on

the

end

of

the

RED

transformer-primary

lead.

3.

Save

the

wirenut.

4.

Connect

the

RED

lead

to

the

BLK

wire

from

which

the

ORG

lead

was

disconnected.

Insulate

with

wirenut from

Step

1.

5.

Using

the

wirenut

removed

from

the

RED

lead,

insulate

the

loose

terminal

on

the

ORG

lead.

6.

Wrap

the

wirenuts

with

electrical

tape

so

that

the

metal

terminals

cannot

be

seen.

Indoor

blower-motor

speeds

may

need

to

be

changed

for

208-v

operation.

Refer

to

Indoor

Airflow

and

Airflow

Adjustments

section.

PRE-START-UP

CE

UA

Le:

FIRE,

EXPLOSION,

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death

and/or

property

damage.

1.

Follow

recognized

safety

practices

and

wear

protective

goggles

when

checking

or

servicing

refrigerant

system.

bo

.

Relieve

and

recover

all

refrigerant

from

system

before

touching

or

disturbing

anything

inside

terminal

box

if

refrigerant

leak

is

suspected

around

compressor

terminals.

3.

Never

attempt

to

repair

soldered

connection

while

refrigerant

system

is

under

pressure.

4.

Do

not

use

torch

to

remove

any

component.

System

contains

oil

and

refrigerant

under

pressure.

5.

To

remove

a

component,

wear

protective

goggles

and

proceed

as

follows:

a.

Shut

off

electrical

power

to

unit

and

install

lockout

tag.

b.

Relieve

and

reclaim

ail

refrigerant

from

system

using

both

high-

and

low-pressure

ports.

c.

Cut

component

connecting

tubing

with

tubing

cutter

and

remove

component

from

unit.

d.

Carefully

unsweat

remaining

tubing

stubs

when

necessary.

Oil

can

ignite

when

exposed

to

flame.

Use

the

Start-Up

Checklist

supplied

at

the

end

of

this

book

and

proceed

as

follows

to

inspect and

prepare

the

unit

for

initial

start-up:

1.

Remove

all

access

panels.

2.

Read

and

follow

instructions

on

all

DANGER,

WARNING,

CAUTION,

and

INFORMATION

labels

attached

to,

or

shipped

with,

unit.

Make

the

following

inspections:

a.

Inspect

for

shipping

and

handling

damages

such

as

broken

lines,

loose

parts,

disconnected

wires,

etc.

b.

Inspect

for

oil

at

all

refrigerant

tubing

connections

and

on

unit

base.

Detecting

oil

generally

indicates

a

refrigerant

leak.

Leak-test

all

refrigerant

tubing

connections

using

electronic

leak

detector,

or

liquid-soap

solution.

If

a

refrigerant

leak

is

detected,

see

following

Check

for

Refrigerant

Leaks

section.

c.

Inspect

all

field-

and

factory-wiring

connections.

Be

sure

that

connections

are

completed

and

tight.

d.

Inspect

coil

fins.

If

damaged

during

shipping

and

handling,

carefully

straighten

fins

with

a

fin

comb.

3.

Verify

the

following

conditions:

a.

Make

sure

that

outdoor-fan

blade

is

correctly

positioned

in

fan

orifice.

Top

edge

of

blade

should

be

3.125

in.

(79.4

mm)

down

from

condenser

outlet

grille.

See

Condenser

Fan

section.

b.

Make

sure

that

air

filter

is

in

place.

c.

Make

sure

that

condensate

drain

pan

and

trap

are

filled

with

water

to

ensure

proper

drainage.

d.

Make

sure

that

all

tools

and

miscellaneous

loose

parts

have

been

removed.

START-UP

Use

the

Start-Up

Checklist

supplied

at

the

end

of

this

book,

and

proceed

as

follows:

Step

1

—

Check

for

Refrigerant

Leaks

LOCATE

AND

REPAIR

REFRIGERANT

LEAKS

AND

CHARGE

THE

UNIT

AS

FOLLOWS:

1.

Using

both

high-

and

low-pressure

ports,

locate

leaks

and

reclaim

remaining

refrigerant

to

relieve

system

pressure.

2.

Repair

leak

following

accepted

practices.

NOTE:

Instail

a

filter

drier

whenever

the

system

has

been

opened

for

repair.

3.

Check

system

for

leaks

using

an

approved

method.

4.

Evacuate

refrigerant

system

and

reclaim

refrigerant

if

no

additional

leaks

are

found.

5.

Charge

unit

with

R-22

refrigerant,

using

a

volumetric-charging

cylinder

or

accurate

scale.

Refer

to

unit

rating

plate

for

required

charge.

Be

sure

to

add

extra

refrigerant

to

compensate

for

internal

volume

of

field-installed

filter

drier.

Step

2

—

Start-Up

Cooling

Section

and

Make

Adjustments

CHECKING

COOLING

CONTROL

OPERATION

—

Start

and

check

the

unit

for

proper

cooling

control

operation

as

follows:

1.

Place

room

thermostat

SYSTEM

switch

in

OFF

position.

Observe

that

blower

motor

starts

when

FAN

switch

is

placed

in

ON

position

and

shuts

down

when

FAN

switch

is

placed

in

AUTO

position.

.

Place

SYSTEM

switch

in

COOL

position

and

FAN

switch

in

AUTO

position.

Set

cooling

control

below

room

temperature.

Observe

that

compressor,

condenser

fan,

and

evaporator

blower

motors

start.

Observe

that

cooling

cycle

shuts

down

when

control

setting

is

satisfied.

bo

3.

When

using

an

automatic

changeover

room

thermostat,

place

both

SYSTEM

and

FAN

switches

in

AUTO.

positions.

Observe

that

unit

operates

in

Cooling

mode

when

temperature

control

is

set

to

“call

for

cooling”

(below

room

temperature).

Step

3

—

Refrigerant

Charge

Amount

of

refrigerant

charge

is

listed

on

unit

nameplate

(also

refer

to

Table

1).

Refer

to

Carrier

Refrigerant

Service

Techniques

Manual,

Refrigerants

section.

Unit

panels

must

be

in

place

when

unit

is

operating

during

charging

procedure.

NO

CHARGE

—

Use

standard

evacuating

techniques.

After

evacuating

system,

weigh

in

the

specified

amount

of

refrigerant

(refer

to

Table

1).

LOW

CHARGE

COOLING

—

Use

Cooling

Charging

Charts,

Fig.

14-16.

Vary

refrigerant

until

the

conditions

of

the

appropriate

chart

are

met.

Note

that

charging

charts

are

different

from

the

type

normally

used.

Charts

are

based

on

charging

the

units

to

the

correct

superheat

for

the

various

operating

conditions.

Accurate

pressure

gage

and

temperature

sensing

device

are

required.

To

measure

suction

pressure,

perform

the

following:

1.

Connect

the

pressure

gage

to

the

service

port

on

the

suction

line.

2.

Mount

the

temperature

sensing

device

on

the

suction

line

and

insulate

it

so

that

outdoor ambient

temperature

does

not

affect

the

reading.

Indoor-air

cfm

must

be

within

the

normal

operating

range

of

the

unit.

TO

USE

COOLING

CHARGING

CHARTS

1.

Take

the

outdoor ambient

temperature

and

read

the

suction

pressure

gage.

bo

.

Refer

to

appropriate

chart

to

determine

what

the

suction

temperature

should

be.

an

.

If

suction

temperature

is

high,

add

refrigerant.

If

suction

temperature

is

low,

carefully

recover

some

of

the

charge.

4.

Recheck

the

suction

pressure

as

charge

is

adjusted.

EXAMPLE:

(Fig.

14)

Outdoor

Temperature

«00...

cee

85°F

(29°C)

Suction

Pressure

.......

ccs

80

psig

Suction

Temperature

should

be

...........

70°F

(21°C)

(Suction

Temperature may

vary

+5°

F,

[2.8°C])

If

Chargemaster©

charging

device

is

used,

temperature

and

pressure

readings

must

be

accomplished

using

the

charging

chart.

Step

4

—

Indoor

Airflow

and

Airflow

Adjust-

ments

NOTE:

|

For

cooling

operation,

the

recommended

airflow

is

350

to

450

CFM

for

each

12,000

Btuh

of

rated

cooling

capacity.

Table

2

shows

dry

coil

air

delivery

for

horizontal

discharge

units.

Tables

3-4

show

pressure

drops.

NOTE:

Be

sure

that

all

supply-

and

return-air

grilles

are

open,

free

from

obstructions,

and

adjusted

properly.

CUANDO:

ELECTRICAL

SHOCK

HAZARD

Failure

to

follow

this

warning

could

result

in

personal

injury

or

death.

Disconnect

electrical

power

to

the

unit

and

install

lockout

tag

before

changing

blower

speed.

There

may

be

more

than

one

disconnect

switch.

Airflow

can

be

changed

by

changing

the

lead

connections

of

the

blower

motor.

Units

50ZP036,048,

and

060

blower

motors

are

factory

wired

for

low

speed

operation.

FOR

208/230-V

—

The

motor

leads

are

color-coded

as

follows:

3-SPEED

black

=

high

speed

2-SPEED

black

=

high

speed

blue

=

medium

speed

red

=

low

speed

red

=

low

speed

To

change

the

speed

of

the

blower

motor (BM),

remove

the

fan

motor

speed

leg

lead

from

the

indoor

(evaporator)

fan

relay

(IFR)

and

replace

with

lead

for

desired

blower

motor

speed.

Insulate

the

removed

lead

to

avoid

contact with

chassis

parts.

10