Mitsubishi Electric FDT125VNVF Technical Manual page 237

①Before installation
Model and power supply specification
○ Install the unit properly
according to this
instruction manual.
Check.
○ Is it in accordance with
the construction plan?
Pipes, wires and small parts
(1) For heat insulation of flare nut (2) For installation
*1
1 1 Fall-prevention fitting
Pipe cover 1 pc For gas side
2 2
For liquid side
Pipe cover 1 pc
3 3
Strap 4 pcs
4
5
*3
Where the accessories are put in
*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.
*1、 2
*4
②Selection of installation place for the indoor unit
(Indoor unit)
Installation space
Minimum required spaces are shown as follows.
(Unite: mm)
Service
space
600
• Secure sufficient spaces for inspection and maintenance.
WARNING
• 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.
ATTENTION: 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.
③Carrying-in and installation of the unit
Carrying-in
ATTENTION:
• Carry in the unit kept in a package as near as possible to the installa-
tion place.
Carry with the front face at top.
• 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.
Accessory
Note) Nos. 1 and 5 are used also as hardware for packing.
1 pc *3
Wood screw 2 pcs For No. 1
Washer 2 pcs For No. 2 wood screw
Rubber bushing 1 pc For refrigerant and drain pipes
L fitting 2 pcs *4
1000
Air outlet
600
Air inlet
③Carrying-in and installation of the unit (Continued)
ATTENTION:
• Be sure to fix the unit with L-fittings and the fall-prevention fitting.
・Since the unit is tall, secure the unit no sooner than setting it in place.
Procedure for preventing the unit from falling
Fall-prevention fitting
Top panel
(Unit front)
(1) Fixing the unit with the fall-prevention fitting
Fall-prevention
Screw
fitting
Fixing position (Fall-prevention fitting)
Fitting facing upward
25∼50
• 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.
(2) Fixing the unit with the L-fittings
Fixing position (L fitting)
ATTENTION:
• Install the unit on the level.
Inclination must be less than 1°in fore-aft and right-left directions.
236
- -
'12 • PAC-T-174
Tapping screw
Round head wood screw
L fitting
For fixing to the wall
For securing the unit
Mount the fall-prevention fitting at right or left position.
①Loosen screws (2 pcs) and remove the fall-
prevention fitting.
②Select 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.
Fitting facing downward
25∼50
①Remove the L-fittings mounted on the unit with
screws.
②Turn 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.
15
622.5
2× φ8