Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B - Manual (Page 8)

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
REV. 97-3672
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.