C
Unit Support (For down throw unit only)
l
The fi gure shows the use of the roof curb for mounting
these units.
l
The curb should be sealed and fi xed to the roof by
weather stripping. A suggested means of sealing the
unit and roof curb as shown in the right.
l
Recommended roof curb dimension is shown below.
P
A
X
Z
N
Model
250
(UATYQ)
A
355
B
1506
C
840
D
315
E
315
F
0
G
314
H
0
I
607
J
322
K
540
L
0
M
300
N
141
O
1784
P
300
Q
481
R
1469
Note: All dimensions are in mm
14
Q
SECTION X-X
C
Y
Y
25
SECTION Z-Z
350/450
550/600/700
355
355
2081
2081
700
840
410
625
410
462
0
190
287
248
131
131
600
646
544
495
682
676
42
51
300
300
141
141
1807
2365
300
300
477
590
1998
1998
Unit
Seal with tar
Roof deck
D
E
F
G
O
41.5
X
Z
M
SECTION Y-Y
52
Roof curb