Exhaust Air Performance; Fixed Outdoor Air Adjustment - York D1SV300 Installation Instructions Manual

530.25-N2
FIXED OUTDOOR Al R ADJUSTMENT
EXHAUST AIR PERFORMANCE
To adjust the amount of fixed outdoor au, see Figure 18. Lo-
cate the amouni of outdoor air required and the return duct See Figure 19 for the performance of the exhaust air fans.
static on the chart to determine the position in which to set
Locate the amount of return duct static on the left hand
the blades, The blades can be adjusted by varying the position side of the chart. The amount of air which will be exhaust-
of the adjustment arm on the left side of the fixed outdoor
ed can be read from the bottom of the chart.
air damper.
o
0
0
0
0
0
BLADE
POSITION
Q
w
m
~
v
I
I
.,
.
L
\ 1
B c
+
FIG, 18
lb io
io
40 50
'%OUTDOOR AIR
–
FIXED OUTDOOR AIR ADJUSTMENT
0.5
0.4
0,3
0,2
01
\
I
,
\:
\
'\lh=
!
1
. .
t
OSV300/360' UN ITS
DSV480 UNIT
..
,
,
3000 4000 5000 6000 7000 8000 9000 10000 11000
EXHAUST AIR CFM
FIG. 19 – EXHAUSTAIR PERFORMANCE– ALL FANS RUNNING
Central Enwronmental Systems
19