-
48
-
Required space for maintenance and air flow
Minimum allowable space to the obstacles
Unit:mm
Mark
1
2
3
L1
Open
Open
500
L2
300
5
Open
L3
100
150
100
L4
5
5
5
Installation
type
Notes
(1) It is prohibited to install in a space enclosed with walls
at four sides.
(2) Unit must be secured with anchor bolts.
Anchor bolt should not protrude more than 15 mm above
the surface.
(3) Where strong winds blow, the blow outlet must be
oriented at right angle against the wind direction.
(4) Secure a space of 1 m or more above the unit.
(5) Barrier standing in front of the blow outlet must be lower
than the height of unit.
Unit: mm
Models FDCA301HEN, 301HES
L4
L3
L2
L1
50
11
0
195
880
10
40
38
53
95
50
50
1
1
0
195
50
70
460
482
15
50
27
50
15
50
845
55
150
40
150
580
150
40
20
380
20
15
103
50
50
310
40
55
340
47
222
15
60
Maintenance
space
( )
Air
inlet
Air inlet
Air outlet
Terminal block
Liquid piping: ø9.52 (3/8")
(Flare connecting)
Liquid piping: ø9.52 (3/8")
(Flare connecting)
Gas piping: ø15.88 (5/8")
(Flare connecting)
Holes for anchor bolt
(M10
×
4 pcs.)
Holes for drain
(ø20
×
3 pcs.)
Opening for
electric wring
Opening for
electric wring
Opening for
piping and
electric wring
Opening for
electric wring
Gas piping: ø15.88 (5/8")
(Flare connecting)
A
Opening for
piping and
electric wring
Opening for
piping and
electric wring
Opening for
piping and
electric wring
VIEW A