Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 852

FDC-HKX
(3) 1-way outlet ceiling recessed type (FDTS)
Preparation of indoor unit
It can be installed by either one of the following methods. Select the most adequate method for your particular case.
Installation example and
limitation
Note (1) In the case of installing on the high ceiling, part of indoor unit requires some modification.
Procedures of rework
Installation on higher ceiling
Adhere the insulation materials attached to the direct blow panel on the blow outlet of indoor unit.
(a) Selection of installation location
1) Where cool and hot air will be distributed sufficiently.
Where the installation heigh exceeds 3m, warmed air is likely to concentrate close to the ceiling. In such case, you should
install also a circulator.
• Cooled (warmed) air throw
Reference
Models
All models
[ Conditions ] 1. Unit heigh
Standard ceiling: 2.4--3.0(m) above floor
2. Kind of operation: Hi
3. Place: Free space without obstruction;
4. Reaching distance means the horizontal distance for the wind to reach the floor.
5. Wind velocity at the reaching distance: 0.5m/s
Note (1) Wind capacity is UHi in case of a higher ceiling. It is value of Hi for other cases.
2) Where the ceiling has sufficient rigidity.
3) Where there is no obstacles in front of the suction intel and blow outlet.
4) It should be avoided such places as kitchen, machine factory, etc. where there profuse liquid splashes or thick steam.
5) Where the height of ceiling exceeds 200mm.
850
A Standard installation
Ceiling
Floor
Item Reaching distance
Standard
3m or less
Blow outlet
Insulation materials
Unit : m
Higher ceiling
7
Higher ceiling: 3.0--4.0(m) above floor
B Higher ceiling
Ceiling
3m ~ 4m
Floor