Enthalpy Set Point Chart; Honeywell Economizer Control W7212 - York PREDATOR DM090 Installation Manual

035-17311-003-A-0704
FIGURE 20 - ENTHALPY SET POINT CHART
Indoor Air Quality
Max. Adjustment
Indoor Air Quality
Indoor Air Quality
Free Cooling LED
Economizer Enthalpy
Set Point Adjustment
FIGURE 21 - HONEYWELL ECONOMIZER CONTROL W7212
Unitary Products Group
CONTROL POINT
CONTROL
0 0
APPROX. F ( C)
CURVE
AT 50% RH
A
73 (23)
B
70 (21)
C 67 (19)
D 63 (17)
50
(10)
45
(7)
40
(4)
35
(2)
35 40 45
(2) (10)
(4) (7)
APPROXIMATE DRY BULB TEMPERATURE -
Exhaust Air
Adjustment
Screw
N1
Exhaust Air LED
Damper Min.
Position
P1
Screw
T1
Screw
LED
AQ1
Min. Adjustment
SO+
Screw
SR+
Screw
85
(29)
80
(27)
75
(24)
70
(21)
65
(18)
60
(16)
55
A
(13)
B
C
D
A
B
C
D
50 55 60 65 70 75 80 85
(13) (16) (21) (24) (27) (29)
(18)
EXH
N
Set
EXH
P
Min
Pos
T
IAQ
Max
IAQ
AQ
IAQ
Min
SO
Free
Cool
SR
B C
A
D
90 95 100 105 110
(32) (35) (38) (41) (43)
90 95 100 105 110
(32) (38) (41) (43)
(35)
0 0
F ( C)
TR TR1
24 24
Vac Vac
HOT COM
+
1
2
5
3
4
EF EF1
23