Mitsubishi Electronics SPLIT-TYPE MSZ-D30/36NA User Manual download pdf (Page 6)

3-1. CONNECTING WIRES FOR OUTDOOR UNIT

1) Remove the service panel.

2) Remove the conduit cover.

3) Attach the conduit connector to conduit cover with lock nut then secure it against unit

with screws.

4) Connect ground wires of indoor/outdoor unit connecting wire (A) and power supply cord

(K) to the TB support.

5) Loosen the terminal screw, and attach indoor/outdoor unit connecting wire (A) from the

indoor unit correctly on the terminal block. Attach the wire to the terminal block securely

so that its core cannot be seen, and no external force affects the connecting section of

the terminal block.

6) Firmly tighten the terminal screws. After tightening, verify that the wires are tightly fas

tened.

7) Connect power supply cord (K).

8) Install the conduit cover.

9) Install the service panel securely.

Terminal block

to conduit cover

Power supply cord (K)

3. OUTDOOR UNIT INSTALLATION

Power supply cord (K)

Indoor/outdoor unit

connecting wire (A)

• Make ground wire a little longer than oth-

ers. (More than 1-3/8 in. [35 mm])

• For future servicing, leave some slack in

the connecting wires.

Lead

wire

5/8 in.

(15 mm)

1-3/8 in.

(35 mm)

Service panel

Lock nut

Conduit cover

Connector

Grounding

terminal

2-5-2. DRAIN PIPING

• If the extension drain hose has to pass through a room, be sure to wrap it with in-

VXODWLRQ¿HOGVXSSOLHG

• The drain hose should point downward for easy drain. (Fig. 1)

 ,IWKHGUDLQKRVHSURYLGHGZLWKWKHLQGRRUXQLWLVWRRVKRUWFRQQHFWLWZLWKD¿HOG

supplied drain hose (I). (Fig. 2)

• When connecting the drain hose to a hard vinyl chloride pipe, be sure to insert it

securely into the pipe. (Fig. 3)

Do not make drain piping as shown below.

Do not raise

Accumulated

drain water

Air

Waving

Water

leakage

Water

leakage

Water

leakage

Tip of drain

hose dipped

in water

Ditch

At least

1-31/32 in.

(50 mm)

gap

Downward

slope

Drain

hose

Soft hose I.D.

19/32 in.

(15 mm)

Drain hose

Hard vinyl chloride pipe

I.D. 1-3/16 in.

(30 mm)

Insert

securely

Different

diameter joint

27-9/16 in.

(70 cm)

or more

Fig. 1 Fig. 2 Fig. 3

Rear or bottom piping

3ODFHWKHUHIULJHUDQWSLSLQJDQGWKHGUDLQKRVHWRJHWKHUWKHQ¿UPO\DSSO\SLSLQJWDSH*

from the end.

2) Insert the piping and the drain hose into the wall hole sleeve (C), and attach the upper

part of the indoor unit on the installation plate (1).

3) Check if the indoor unit is attached securely on the installation plate (1) by moving the

unit to left and right.

4) Attach the lower part of the indoor unit into the installation plate (1).

Right piping

Note:

Before performing the following, make sure that wiring is completed, and the conduit cover

is installed. (Refer to 2-3.)

1) Place the refrigerant piping and the drain hose together, shift them to left side of the

XQLWDQGWKHQ¿UPO\DSSO\SLSLQJWDSH*IURPWKHHQG

2) Insert the piping and the drain hose into the wall hole sleeve (C), and attach the upper

part of the indoor unit on the installation plate (1).

3) Check if the indoor unit is attached securely on the installation plate (1) by moving the

unit to left and right.

4) Attach the lower part of the indoor unit into the installation plate (1).

Cut off in case of down-

ward piping.

TB support

1 2 3 4 5 6 7 8

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Mitsubishi Electronics SPLIT-TYPE MSZ-D30/36NA User Manual Page 6

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