Maytag 56326 Dokumentacja Pobierz pdf (Strona 38)

19,

Install

hand

valve

on

access

valve

and

charge

to factory

specified

charge.

20. Close

hand

valve

and

quickly

remove

it

from

access

valve.

Close

lower

valve

on

charging

cylinder,

using

hand

valve,

slowly

release

refrigerant

con-

tained

in charging

hose.

21.

Put

Tef

lon

tape

on access

valve

threads

and

install

caP

on

access

valve.

(Use

two

wrenches

-

one

on

valve

body,

the

other on

caP.)

22.

Wait

approximately

5

minutes

for

pressure

to equalize,

then

turn

com-

pressor

on

and

check

for

refrigeration.

PROCEDURE

WITH

COMPRESSOR

INOPERATIVE

Fill

charging

cylinder

with at

least

6

ounces

more

refrigerant

than

needed

for

final charge

of system.

Plug

in

charging

cylinder

heater

to

raise

pressure

to 30

lbs. above

ambient

cyl-

inder

pressure.

NOTE:

Maintain

but

do

not exceed

this

30

pound

above

ambient

pressure

un-

til system

is charged.

Braze

permanent

access

valve

on

compressor

discharge

line at

least

4

inches

from compressor

body.

(See

page

3-16,

Steps

1,2, & 3.)

Leak

check

permanent

access

valve

with

refrigerant

gas

from

top valve of

charging

cylinder

connected

through

charging

hose

and

hand

valve

to ac-

cess

valve.

(See

page

3-16, SteP

4.)

Pierce

discharge

tubing

with access

valve,

make

certain

valve

core

is in-

stalled

to

prevent premature

dis-

charge

of

refrigerant.

(See

page

3-16,

Steps

5 &

6.)

lnstall

temporary

piercing

valve

on

compressor

process

stub.

Connect

hand

valve,

charging

hose

and

purge

hose on

discharge

line

ac-

cess

valve.

Connect

purge

hose

to

the temporary

piercing

valve on

compressor

process

stub.

Route

purge

hoses away

from

work

area

-

preferably

outdoors.

NOTE:.

An alternate

method

of

purging

using

a single

purge

hose

plus

an ad-

ditional

three

foot charging

hose and

"T"

adapter

can

be accomplished

bY

connecting

a

three

foot charging

hose

to

the discharge

access

valve

and an-

other

three foot

charging

hose

to

the

piercing

valve. Connect

both

charging

hoses and

the

purge

hose

to the aP-

propriate

connections

on

the

"T"

adapter

and

route the open

end

of

the

purge

hose away

from

the

work area

preferably

outdoors.

5.

6.

1.

7.

2.

3.

4.

3-18

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