Mitsubishi Heavy Industries FDTCVA SERIES Technical Manual page 103

(e) Ceiling suspended type (FDEN)
Models FDENA151R, 201R
1022(Suspension bolts pitch)
24
40
Drain hose piece
connection(1)
(VP20)
76
Air return grille
Models FDENA251R, 301R
1272(Suspension bolts pitch)
24
40
Drain hose piece
connection(1)
(VP20)
Air return grille
76
24
990 40
107
Air supply
Indication board
75
Gas piping
φ12.7(1/2")
110
135
290(Suspension bolts pitch)
1240
1320
Air supply
Gas piping
75
φ15.88(5/8")
110
135
Drain hose
connection(1)
(VP20)
290(Suspension bolts pitch)
135
68
Note(1) The slope of drain piping inside the unit is
able to take incline of 10mm.
Liquid piping
φ6.35(1/4")
Drain hose
connection(1)
10
or more
(VP20)
Obstacles
If you are mounting units close together, leave a space
of 4000 or greater between units.
135 410
24
68
40
690
Indication board
Note(1) The slope of drain piping inside the unit is
able to take incline of 10mm.
Liquid piping
251:φ6.35(1/4")
301:φ9.52(3/8")
100
or more
If you are mounting units close together, leave a
space of 4500 or greater between units.
102
- -
Holes for suspension bolts
(M8 to M10×4pcs.Not included)
410 145
Liquid piping
52
Gas piping
690 Drain hose piece
connection(1)
195
(VP20)
235
271
Space for installation and service
150
or more
Holes for suspension bolts
(M8 to M10×4pcs.Not included)
145
Liquid piping
52
Gas piping
Drain hose piece
connection(1)
195
(VP20)
235
271
Space for installation and service
150
or more
Obstacles
Unit : mm
5
or more
Unit : mm
5
or more