Honeywell W7340 Manual Do Utilizador
W7340, W7345 COMMUNICATING ECONOMIZER LOGIC MODULES
63-2569—04 10
Fig. 10. W7340 Performance Characteristics for Enthalpy Changeover Settings.
Table 3. W7345 Performance Characteristics
for Temperature Changeover Settings.
CONTROL
CURVE
A
B
C
D
E
B
C
D
E
CONTROL POINT
APPROX. °F (°C)
AT 50% RH
73 (23)
70 (21)
67 (19)
63 (17)
55 (13)
70 (21)
67 (19)
63 (17)
55 (13)
12 14 16 18 20 22 24 26 28 30 32 3
4 36 38 40 42
44 46
90
100
80
70
60
50
40
30
20
10
ENTHALPY—BTU PER POUND DR
Y AIR
85
(29)
90
(32)
95
(35)
100
(38)
105
(41)
110
(43)
35
(2)
35
(2)
40
(4)
40
(4)
105
(41)
110
(43)
45
(7)
45
(7)
50
(10)
50
(10)
55
(13)
55
(13)
60
(16)
60
(16)
65
(18)
65
(18)
70
(21)
70
(21)
75
(24)
75
(24)
80
(27)
80
(27)
85
(29)
90
(32)
95
(35)
100
(38)
APPROXIMATE DRY BULB TEMPERATURE— °F (°C)
A
A
B
B
C
C
D
D
M23879
RELA
TIVE HUMIDITY
(%)
1
1
HIGH LIMIT CURVE FOR W7210D, W7212, W7213, W7214, W7340B.
E
E
Temperature
Changeover Setting
Approximate Control Point
°F
°C
A
73
23
B
70
21
C
67
19
D
63
17
E
55
13