Specifications

9
OPTIONS AND ACCESSORIES (cont)
MINIMUM
POSITION
OPEN
3
1
T
P
P1
T1
4
2
5
S
S
O
D
C
TR
B
REV
.B
198818A
%
H
U
M
I
D
I
T
Y
90
70
60
30
10
D
C
B
A
6
0
6
5
7
0
75
55
5
0
8
5
80
DAMPER
DAMPER
CLOSED
OPEN
O
U
T
D
O
O
R
T
E
M
P
.
°
F
REV
.
9
7
-3
6
7
2
CW–SETPOINTS
–CCW
C
O
N
T
A
C
T
S
S
H
O
W
N
IN
H
IG
H
E
N
T
H
A
L
P
Y
R
U
S
H
A
T
2
4
V
A
C
3
m
A
M
IN
.
A
T
1
1
V
D
C
CONT
ACT RA
TINGS: 1.5A
RUN, 3.5A
IN
O
R
U
N
P
O
W
E
R
E
D
S
T
A
T
E
1
2
3
TR
T
R
1
24V
A
C
E
N
T
H
A
L
P
Y
C
O
N
T
R
O
L
+
Factory-installed, internally mounted, NEC and UL approved non-
fused switch provides unit power shutoff and disconnect lockout pro-
tection capability. The switch is accessible from outside the unit. Not
for use on units rated higher than 80 amps.
UNIT-MOUNTED DISCONNECT
ACCUSENSOR™ II
(Enthalpy Control)
ACCUSENSOR III
(Differential Enthalpy)
Accusensor economizer controls help provide efficient, economi-
cal economizer operation. The Accusensor I dry-bulb sensor mea-
sures outdoor temperature and is standard with the Durablade
economizer.
The accessory Accusensor II solid-state enthalpy control senses
both dry and wet bulb of the outdoor air to provide an accurate
enthalpy reading. Accusensor II is available as a field-installed
accessory for the Durablade economizer.
The accessory Accusensor III differential enthalpy sensor com-
pares outdoor temperature and humidity to return-air temperature
and humidity and determines the most economical mixture of air.
Accusensor III is available for Durablade economizers.
CONVENIENCE OUTLET
Factory-installed, internally mounted and externally accessible 115-v
female receptacle. Includes 15-amp GFI receptacle with independent
fuse protection. Voltage required to operate convenience outlet is pro-
vided by a factory-installed step down transformer.
COIL GUARD GRILLE
Coil guard grille protects coils against large objects
and vandalism.