Carrier 438MG series Manual de usuario

438MG / 40MA / 40MB

Multi-zone

18 to 48

SAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . . . 2

SYSTEM REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . . . . . 2

MODEL NUMBER NOMENCLATURE. . . . . . . . . . . . . . . . 3

SAFETY PRECAUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

INSTALLATION INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . 6

REFRIGERANT PIPE CONNECTION. . . . . . . . . . . . . . . . . 29

ELECTRICAL WORK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

AIR PURGING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

TEST RUNNING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

The first two digits indicate the equipment type.

40 = Indoor unit;

38 = Outdoor uni

Digit 5 indicates the system's type:

C = Cooling only;

Q = Heat pump

Maximum Number of fan coil units connected to the outdoor unit

B = 1:1

Digits 7, 8 indicate the system's capacity in 1000

BTU/Hr

Example: 09 = 9000 BTU/Hr

Digit 9 - Indoor Fan Coil Unit Type

B = High-Wall

C = Cassette

D = Ducted

F = Console

G = Underceiling

H = High Wall Color Variation

- = Outdoor

Digit 12 indicates voltage

1 = 115/l/60

3 = 208-230-1-60Hz

40 MA Q B 09 B -- 3

Digits 10, 11 - blank

Digits 3 and 4 represent the model

Model number Nomenclature



System

Tons System

Btuh

1.5 18,000

27,000

36,000

48,000

208/230-1 38MGQC18---3

38MGQD27---3

38MGQF36---3

38MGQF48---3

208/230-12.25

Outdoor Model

Number

Volt- Ph @

60Hz

3208/230-1

208/230-14

Model Numbers

0.12in(3mm)

4.72in(12cm).

7.55ft(2.3metres)

5.91in(15cm)

More than 11.8in(30cm)

More than 78.7in

(

200cm)

More than 23.6in

(60cm)

of the unit is more than 11.8in(30cm) and left side is

more than 11.8in(30cm). The front of the unit should

have more than 78.7in(200cm) of clearance and the

connection side (right side) should have more

than 23.6in(60cm) of clearance.

User’s

Pipe size differs from appliance to appliance.

To meet different pipe size requirem ents, sometimes

the pipe connections need the transfer connector

to install on the outdoor unit .)

(Fasten it on the connective cable between the

indoor units and outdoor unit after installation.)

Except the above parts provided, the other parts needed for the installation must be purchased.

2.6in/65mm )

13lbf.ft/1.8kgf.m, 30.4lbf.ft/4.2kgf.m

39.8lbf.ft/5.5kgf.m

47.7lbf.ft/6.6kgf.m

0.16in/4mm)

1/4(6.35)

3/8(9.52)

1/2(12.7)

5/8(15.9)

This illustration is for illustration purposes only.

A minimum pipe run of 9.84ft(3m) is required

minimize vibration and excessive noise.

More than 4.7in

(

12cm)

More than 4.7in

(

12cm)

More than 78.7in

(

200cm)

More than 4.7in(

12cm)

More than

4.7in(12cm)

More than

4.7in(12cm)

More than

11.8in(

30cm)

More than

23.6in(

60cm)

More than 5.9in(15cm)

More than 23.6in

(

60cm)

3.9in(10cm)

More than

If the wall is made of brick, concrete

or a similar material , drill five or eight

5mm diameterholes in the wall.Insert

clip anchor for the appropriate mounting

screws.

units. See Fig.5 for example.

in(mm)

32.9x11(835x280)

39x12.4(990x315)

46.7x13.5(1186x343)

5.5(140)

10.2(260)

10.8(275)

4.3(110)

5.3(135)

10.8(275)

1.8/45

7.1/180 4.3/110

1.4/36.5

1.8/45

11/280

29.5/750

1.8/45

1.4/36.5

11/280

4.3/110

5.5/140

32.9/835

12.4/315

1.8/45

0.85/21.5

1.8/45

13.5/343

the

2.6in/65mm

0.2-0.28in(5-7mm)

When connecting the extension drain hose,

insulate the connecting part of the extension

drain hose with a shield pipe, do not let

the drain hose slack.

Fix the end of the connective pipe. (Refer

to the Tightening Connection in the

REFRIGERANT PIPING CONNECTION).

Because the condensed water from the rear of the

indoor unit is gathered in a ponding box and is

piped out of room. Do not put anything else in

the box.

Do not allow the piping to extend from

the back of the indoor unit.

Be careful not to let the drain hose slack.

Heat both of the insulated auxiliary pipes.

Be sure that the drain hose is located at

the lowest side of the bundle. Locating

at the upper side can cause the drain

pan to overflow inside the unit.

Never cross or twist the power

wire with any other wiring.

Run the drain hose sloped downward to

evenly drain the condensed water.

2.6in/65mm

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