CONTROL
CONTROL POINT
CURVE
APPROX. °F (°C)
AT 50% RH
A
73 (23)
B
70 (21)
C
67 (19)
D
63 (17)
E
55 (13)
45
(7)
40
E
(4)
35
(2)
35
40
45
(2)
(4)
(7)
APPROXIMATE DRY BULB TEMPERATURE— °F (°C)
1
HIGH LIMIT CURVE FOR W7210D, W7212, W7213, W7214, W7340C.
Fig. 8. W7212C performance characteristics for enthalpy changeover settings
W7212, W7213, W7214 ECONOMIZER LOGIC MODULES
80
(27)
75
(24)
70
(21)
65
(18)
60
(16)
A
55
(13)
B
50
C
(10)
D
B
C
D
E
50
55
60
65
70
75
80
(10)
(13)
(16)
(18)
(21)
(24)
(27)
11
85
90
95
100
105
110
(29)
(32)
(35)
(38)
(41)
(43)
1
A
85
90
95
100
105
110
(29)
(32)
(35)
(38)
(41)
(43)
M23879A
63-2596—09