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Honeywell C7046C Product Data page 13

Solid state economizer system, consisting of discharge air sensor or mixed air sensor, solid state enthalpy sensor, solid state temperature sensor, damper actuators, thermostat and solid state economizer logic module
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CONTROL
CURVE
A
B
C
D
1
HIGH LIMIT CURVE FOR W6210D,W7210D,W7459D.
Fig. 15. Partial psychrometric chart with single C7400A Solid State Enthalpy Sensor and
W7459 Solid State Economizer Logic Module performance curves.
C7400A OUTPUT CURRENT
100
90
80
70
60
50
40
30
20
10
40
50
60
70
(4)
(10)
(16)
(21)
TEMPERATURE °F (°C)
Fig. 16. C7400A Sensor output current vs.
relative humidity.
CONTROL POINT
APPROX. °F (°C)
AT 50% RH
73 (23)
70 (21)
67 (19)
63 (17)
60
(16)
A
55
(13)
B
50
C
(10)
45
D
(7)
40
(4)
35
(2)
35
40
45
50
55
60
(2)
(4)
(7)
(10)
(13)
(16)
APPROXIMATE DRY BULB TEMPERATURE—°F (°C)
80
90
100
(27)
(32)
(38)
M9101
SOLID STATE ECONOMIZER SYSTEM
85
90
95
(29)
(32)
(35)
80
(27)
75
(24)
70
(21)
65
(18)
1
A
B
C
D
65
70
75
80
85
90
95
(18)
(21)
(24)
(27)
(29)
(32)
(35)
19
LED ON
18
D
17
LED ON
16
LED OFF
15
14
LED OFF
13
12
11
10
9
40
60
45
50
55
NOTE: A,B,C,D ARE W7459 SWITCHING SETPOINTS.
Fig. 17. C7650A Solid State Temperature Sensor output
current vs. temperature.
13
100
105
110
(38)
(41)
(43)
100
105
110
(38)
(41)
(43)
M11160
C
LED ON
B
LED ON
LED OFF
A
LED OFF
65
95
100
70
75
80
85
90
M7578A
63-2484—1
°F

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