Bryant DURAPAC PLUS 581B Installation & Service Instructions Manual page 20

CONTROL CONTROL POINT
CURVE APPROX. °F (°C)
AT 50% RH
A 73 (23)
B 70 (21)
C 67 (19)
D 63 (17)
35
(2)
35
(2)
APPROXIMATE DRY BULB TEMPERATURE— °F (°C)
EXH
N1
Set
N
2V 10V
EXH
P1
P
Min
Pos
T1
Open
T
DCV
Max
2V 10V
AQ1
DCV
AQ
DCV
Set
SO+
2V 10V
SO
Free
SR+
Cool
B C
SR
D
A
Fig. 36 — EconoMi$er IV Control
70
(21)
65
(18)
60
(16)
A
55
(13)
B
50
C
(10)
45 D
(7)
40
(4)
40 45 50 55 60 65 70
(4) (7) (10) (13) (16) (18) (21)
Fig. 35 — Enthalpy Changeover Set Points
TR TR1
24 24 Vac
Vac
COM
HOT
_
+
1 2
5
4
3
EF EF1
— 20
85 90 95 100 105
(29) (32) (35) (38) (41)
80
(27)
75
(24)
A
B
C
D
75 80 85 90 95 100 105
(24) (27) (29) (32) (35) (38) (41)
CO SENSOR MAX RANGE SETTING
2
6000
5000
4000
3000
2000
1000
0
2 3
DAMPER VOLTAGE FOR MAX VENTILATION RATE
Fig. 37 — CO Sensor Maximum Range Setting
2
—
110
(43)
HIGH LIMIT
CURVE
110
(43)
4 5 6 7 8
800 ppm
900 ppm
1000 ppm
1100 ppm