t-NEXT DF DX
T_tNEXTDFDX_0719_EN
50
MEHITS S.p.A.
DATA BOOK
OPTIONAL ACCESSORIES: A531
–
ON-OFF DAMPER
Non-return air damper with frame driven by electric servomotor.
Accessory installed on units air delivery and it can be matched to plenums and support frame.
The accessory requires mandatory accessory “9973 Wooden cage packing”.
FRAMEWORK
•
Frame in galvanized steel sheet with protective surfaces treatment in compliance with UNI
ISO 9227/ASTMB117 and ISO 7253, and painted with epoxy powders. Colour RAL 9005;
•
Opposed blade dampers in galvanized steel sheet.
•
Actuator for damper control.
•
Terminals for electric connection to the unit.
VERSION (1)
U / O
U / O
U / O
U / O
U / O
U / O
U / O
U / O
U
SIZE
E1
E2
E3
E4
E5
E6
E7
E8
E9
A
mm
650
785
1085
1305
1630
1873
2175
2499
2899
B
mm
650
650
750
905
905
905
905
905
905
C
mm
300
450
750
900
1250
1500
1750
2000
2300
D
mm
510
510
610
710
710
710
710
710
710
E
mm
231
216
216
142
204
250,5
226,5
238,5
288,5
F
mm
73
73
73
202
115
61,5
137,5
199,5
249,5
G
mm
46
46
46
61
61
61
61
61
61
H
mm
170
170
170
170
170
170
170
170
170
Weight (2) kg
20
23
30
40
50
58
65
75
90
1.
U = Under, downflow / O = Over, upflow
2.
Add this value to the total unit weight
H
F
E
G
C
22
A
B
D