—
15
—
SHIPPING
SCREW
Fig. 13 — Horizontal Discharge Durablade
Economizer Installation
4
3
2
1
0
5
6
7
8
9
Example: Given — Negative Pressure . . . . . . . . . . .0.2 in. wg
Outdoor Air. . . . . . . . . . . . . . . . . . 900 cfm
Determine — Setting = 5 in.
Fig. 14 — Durablade Economizer
Minimum Position Setting
Fig. 15 — Durablade Economizer Minimum
Position Damper Setting
UNIT
TOP
OAT
(TERMINALS ARE UP)
OUTSIDE AIR
SCREEN
MINIMUM
POSITION
OPEN
3
1
T
P
P1
T1
4
2
5
S
S
O
D
C
TR
B
RE
V
.B
1
9
88
1
8
A
%
H
U
M
I
D
I
T
Y
90
70
60
30
10
D
C
B
A
60
65
70
75
55
50
85
80
DAMPER
DAMPER
CLOSED
OPEN
OUTDOOR TEMP
.
°
F
R
E
V
.
9
7
-367
2
CW
–SETPOINTS
–CCW
CONT
A
CTS SHO
WN IN HIGH ENTHALPY
R
U
S
H
A
T
2
4
V
A
C
3 m
A
M
IN
. A
T 1
1 VDC
CONT
ACT RA
TINGS: 1.5A
RUN, 3.5A IN
OR UNPO
WERED ST
A
TE
1
2
3
TR
TR1
24
V
A
C
ENTHALPY CONTROL
ENTHALPY
CONTROL
HOOD
Fig. 16 — Outdoor-Air Thermostat/Enthalpy
Control Installation
LEGEND
OAT —
Outdoor-Air Thermostat
NOTE:
See unit wiring diagram for more details.
Fig. 17 — Wiring Connections for
Outdoor-Air Thermostat
Comments to this Manuals