Application Date (Multi-Type); Exterior Dimensions; Exterior Appearance; Piping System - Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual

2.2.3 Exterior dimensions

Details are the same as in chapter 1.2.3 see page 90.

2.2.4 Exterior appearance

Details are the same as in chapter 1.2.4 see page 109.

2.2.5 Piping system

Details are the same as in chapter 1.2.5 see page 111.

2.2.6 Selection chart

Details are the same as in chapter 1.2.6 see page 118.

2.2.7 Characteristics of fan

Details are the same as in chapter 1.2.7 see page 130.

2.2.8 Noise level

Details are the same as in chapter 1.2.8 see page 136.

2.3 ELECTRICAL WIRING

Details are the same as in chapter 1.3 see page 140.

2.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

Details are the same as in chapter 1.4 see page 151.
2.5 APPLICATION DATE
Except below mentioned items, see chapter 1.5 in page 178.
(1) Refrigerant piping work
Select the piping to match the specification of indoor unit and installation.
(a) Decision of piping specification
(i) Twin type
Models FDC71~140 [Branch pipe set : DIS-WA1]
Gas line
4
Outdoor unit
1
L
4
Liquid line
(Example)
Item
Liquid pipe
Indoor unit
combinations Main pipe Branch pipe Main pipe Branch pipe
Model
FDC71 40 + 40
FDC100 50 + 50
60 + 60
FDC125
71 + 71
FDC140
Notes (1) When 40-60 models of indoor units are applied to this combination, the reducer 3 supplied with the branch piping set should be used in order to reduce the liquid
piping size from φ9.52mm to φ6.35mm at indoor unit side (flare connection). Accordingly be sure to select the liquid piping size φ9.52mm from branch to indoor
unit.
(2) The reducer 4 is for FDC71 and 100 models only
Indoor unit
3
2
3
Gas pipe
Chart of shapes of branch piping parts (DIS-WA1)
Gas pipe Symbol
ID15.88
ID9.52
ID15.88
1
11
8
24
ID15.88
Notes (1) Symbol 1 to 4 in the drawing shows the symbols of branch piping parts in the
chart respectivelys.
(2) Branch piping should always be arranged to have level or perpendicular
position.
(See the next page.)
347
- -
Liquid pipe Symbol Reducer
ID9.52
ID9.52
8
2
ID9.52
210 OD15.88
Symbol
3
50
105
2 piece
ID12.7
4
10
80
2 piece