Bryant 581B Gas Heater User Manual


 
8
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
7
0
60
30
10
D
C
B
A
60
65
70
75
55
50
85
8
0
DAMPER
DAMPER
CLOSED
OPEN
OUTDOOR TEMP
.
°
F
R
E
V
.
97
-3
672
CW
SETPOINTS
CCW
CONT
A
CTS SHOWN IN HIGH ENTHA
LPY
R
U
S
H
A
T
24
V
A
C
3 m
A
M
IN
.
A
T 1
1 VD
C
CONT
ACT RA
TINGS: 1.5A
RUN, 3.5A
IN
OR U
NPOWERED ST
A
TE
1
2
3
TR
TR1
2
4
V
A
C
ENTHALPY CONTROL
+
HAIL GUARD
ACCUSENSOR II ENTHALPY CONTROL
Hail guard accessory (field installed) protects condenser coils
against damage from hail and other flying debris.
COIL GUARD GRILLE
Coil guard grille protects coils against large objects and
vandalism.
ACCUSENSOR III DIFFERENTIAL ENTHALPY
Accusensor economizer controls help provide efficient, economical
economizer operation. The Accusensor I dry-bulb sensor measures out-
door 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 read-
ing. Accusensor II control is available as a field-installed accessory for
the Durablade economizer.
The accessory Accusensor III differential enthalpy sensor control com-
pares outdoor temperature and humidity to return-air temperature and
humidity and determines the most economical mixture of air. Accu-
sensor III is available for Durablade economizers.
BRYANT COMMERCIAL PROGRAMMABLE THERMOSTAT
Designed specifically for use with Bryant commercial systems, this Bryant
programmable thermostat features LED occupied/unoccupied displays and
setback mode which can override continuous fan operation.
BRYANT LIGHT COMMERCIAL THERMIDISTAT
The light commercial thermidistat combines temperature and dehumidifica-
tion control in one device and provides continuous fan operation in occupied
mode. Recommended for use with the Perfect Humidity package.