Mitsubishi Heavy Industries FDC Series Technical Manual Download

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231

'12 • PAC-T-173

Before installation

Selection of installation place for the indoor unit

Carrying-in and installation of the unit

Carrying-in and installation of the unit (Continued)

Loosen screws (2 pcs) and remove the fall-
prevention fitting.

Select a position to fix the fall-prevention fitting
as illustrated and fix it to the top of unit and the
wall.

࡮

The fixing positon of the fall-prevention fitting
is as illastrated below.

Remove the L-fittings mounted on the unit with
screws.

Turn over the L-fitting and fix it to the unit and
either the floor or the wall as illustrated.

࡮

Fixing position of the L-fittings are as illustrated
below.

ATTENTION:

• Install the unit on the level.
Inclination must be less than 1°in fore-aft and right-left directions.

• Be sure to fix the unit with L-fittings and the fall-prevention fitting.

Fitting facing upward

Fitting facing downward

1815

〜

1840

25〜50

1860

〜

1885

• Secure sufficient spaces for inspection and maintenance.

ATTENTION:

Model and power supply specification

Check.

(1)

For heat insulation of flare nut

Pipe cover

1 pc

For gas side

For liquid side

Pipe cover

1 pc

Strap

4 pcs

(2)

For installation

Fall-prevention fitting

Wood screw

Washer

Rubber bushing

L fitting

For No. 1

For No. 2 wood screw

For refrigerant and drain pipes

1 pc

2 pcs

1 pc

2 pcs

、

(Indoor unit)

Note) Nos. 1 and 5 are used also as hardware for packing.

Installation space

Carrying-in

Minimum required spaces are shown as follows.

WARNING

Service

space

600

1000

100

Air outlet

Air inlet

(Unite: mm)

Carry with the front face at top.

Where the accessories are put in

Round head wood screw

Tapping screw

(Unit front)

Procedure for preventing the unit from falling

Fall-prevention fitting

Top panel

L fitting

(1) Fixing the unit with the fall-prevention fitting

(2) Fixing the unit with the L-fittings

Fixing position (L fitting)

622.5

17.5

2×φ8

Fixing position (Fall-prevention fitting)

࡮

Since the unit is tall, secure the unit no sooner than setting it in place.

Pipes, wires and small parts

Accessory

*1. Open the air inlet grill and Nos. (1) will be found in the unit.

*2. Nos. (2)-2-4 will be found at the same place as 1.

*3. Fall-prevention fitting is mounting on the top panel of the unit.

*4. L-fittings are mounted on the bottom part of the unit.

• Install the unit securely on a floor that can endure its weight sufficiently Insuffi-

cient strength or incorrect installation could result in injuries if the unit falls.

Select a place for installation where the following conditions are fulfilled
with customer's consent.
• Where cool or hot air can be blown sufficiently and widely.
• Where the piping and wiring work to outdoor unit can be done easily.
• Where drainage water can run off completely.
• Where the installation floor is strong enough.
• Where the unit its protected from direct exposure to sunlight.
• Where there is no obstacle at he air inlet and air outlet.
• Where the fire alarm apparatus will not be activated by malfunction.

Where There is no risk for short-circuit of air.

• Carry in the unit kept in a package as near as possible to the installa-

tion place.

• When it is necessary to unpack the unit before carrying in, sufficient

care must be taken not to damage it by using nylon slings or the like.

Note) Do not hold on the air inlet grill, air outlet louver or other

sections made of plastics.

• When placing the unit on the floor after unpacking, be sure to have

its front face at the top.

Screw

Fall-prevention

fitting

For fixing to the wall

For securing the unit

• Dimensions indicate the allowance for adjustment between the unit and the wall or floor.
• Fix the longer side of fitting to the unit.
• When the fitting is faced downward, fix it to the wall first.

Mount the fall-prevention fitting at right or left position.

○

Install the unit properly

according to this
instruction manual.

○

Is it in accordance with

the construction plan?