-
49
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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
150
300
150
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 FDCA401HEN, 401HES
VIEW A
Maintenance
space
( )
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 wiring
Opening for piping
and electric wring
Opening for piping
and electric wring
Opening for piping
and electric wring
Liquid piping: ø9.52 (3/8")
(Flare connecting)
Gas piping: ø15.88 (5/8")
(Flare connecting)
A
L4
L3
L2
L1
55
50
110
195
578
600
920
10
40
48
53
99
165
580
175
40
20
380
20
15
103
50
50
50
50
110
195
50
70
50
15
50
27
50
15
1050
15
47
295
237
55
40
340
40
150
60
Air
inlet
Air inlet
Air outlet
Terminal block