York 120, 150 installation manual Enthalpy Set Point Chart, HONEYWELL ECONOMIZER CONTROL W7212

Models: 120 150

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APPROXIMATE DRY BULB TEMPERATURE - 0F (0C)

035-17311-002-A-0803

CONTROL

CONTROL POINT

 

 

APPROX. 0F (0C)

85

90 95 100 105 110

CURVE

AT 50% RH

(29)

(32) (35) (38) (41) (43)

 

A73 (23)

B

70 (21)

80

(27)

 

 

C67 (19)

D63 (17)

45

75

(24)

70

(21)

65

(18)

60

(16)

55

(13) A

50 B

(10) C

(7)

D

40

(4)

35

(2)

D C B A

35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110

(2)(4) (7) (10) (13) (16) (18) (21) (24) (27) (29) (32) (35) (38) (41) (43)

APPROXIMATE DRY BULB TEMPERATURE - 0F (0C)

FIGURE 20 - ENTHALPY SET POINT CHART

Exhaust Air

Adjustment

Screw

Exhaust Air LED

Damper Min.

Position

Screw

Indoor Air Quality

Max. Adjustment

Screw

Indoor Air Quality

LED

N1

N

EXH

TR

TR1

Set

 

 

 

 

 

 

 

24

24

P1

P

EXH

Vac

Vac

 

 

 

HOT

COM

 

 

Min

 

 

T1

T

Pos

+

 

 

 

 

 

IAQ

1

2

 

 

Max

 

 

 

 

AQ1 AQ

IAQ

 

 

5

Indoor Air Quality

Min. Adjustment

Screw

Free Cooling LED

Economizer Enthalpy

Set Point Adjustment

Screw

 

IAQ

SO+ SO

Min

 

 

Free

 

 

Cool

SR+

SR

 

 

B

C

 

A

D

3

EF

4FIGURE 20 - ENTHALPY SET POINT CHARTFIGURE 21 - HONEYWELL ECONOMIZER CONTROL W7212Manual backgroundManual background

EF1 Manual backgroundManual backgroundManual backgroundManual background

FIGURE 21 - HONEYWELL ECONOMIZER CONTROL W7212

Unitary Products Group

23

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Image 23
York 120, 150 Enthalpy Set Point Chart, HONEYWELL ECONOMIZER CONTROL W7212, APPROXIMATE DRY BULB TEMPERATURE - 0F 0C