Wattmaster VAV Manuel d'utilisateur télécharger pdf (Page 61)

Component & System Wiring 61

OE271 Duct Static Pressure Sensor

Pressure

Sensor

(“ W.C.)

Voltage

Input

(VDC)

Pressure

Sensor

(“ W.C.)

Voltage

Input

(VDC)

0.00 0.25 2.60 2.20

0.10 0.33 2.70 2.28

0.20 0.40 2.80 2.35

0.30 0.48 2.90 2.43

0.40 0.55 3.00 2.50

0.50 0.63 3.10 2.58

0.60 0.70 3.20 2.65

0.70 0.78 3.30 2.73

0.80 0.85 3.40 2.80

0.90 0.93 3.50 2.88

1.00 1.00 3.60 2.95

1.10 1.08 3.70 3.03

1.20 1.15 3.80 3.10

1.30 1.23 3.90 3.18

1.40 1.30 4.00 3.25

1.50 1.38 4.10 3.33

1.60 1.45 4.20 3.40

1.70 1.53 4.30 3.48

1.80 1.60 4.40 3.55

1.90 1.68 4.50 3.63

2.00 1.75 4.60 3.70

2.10 1.83 4.70 3.78

2.20 1.90 4.80 3.85

2.30 1.98 4.90 3.93

2.40 2.05 5.00 4.00

2.50 2.13

OE258 Building Pressure Sensor

Pressure

Sensor

(“ W.C.)

Voltage

Input

(VDC)

Pressure

Sensor

(“ W.C.)

Voltage

Input

(VDC)

-0.25 0.00 0.01 2.60

-0.24 0.10 0.02 2.70

-0.23 0.20 0.03 2.80

-0.22 0.30 0.04 2.90

-0.21 0.40 0.05 3.00

-0.20 0.50 0.06 3.10

-0.19 0.60 0.07 3.20

-0.18 0.70 0.08 3.30

-0.17 0.80 0.09 3.40

-0.16 0.90 0.10 3.50

-0.15 1.00 0.11 3.60

-0.14 1.10 0.12 3.70

-0.13 1.20 0.13 3.80

-0.12 1.30 0.14 3.90

-0.11 1.40 0.15 4.00

-0.10 1.50 0.16 4.10

-0.09 1.60 0.17 4.20

-0.08 1.70 0.18 4.30

-0.07 1.80 0.19 4.40

-0.06 1.90 0.20 4.50

-0.05 2.00 0.21 4.60

-0.04 2.10 0.22 4.70

-0.03 2.20 0.23 4.80

-0.02 2.30 0.24 4.90

-0.01 2.40 0.25 5.00

0.00 2.50

OE271 Pressure Sensor Testing Instructions

Use the voltage column to check the Duct Static Pressure Sensor while

connected to powered controllers. Read voltage with meter set on DC

volts. Place the “-”(minus) lead on GND terminal and the “+”(plus)

lead on the 0-5 pin terminal on (JP1) with the jumper removed. Be sure

to replace the jumper after checking.

OE258 Building Pressure Sensor Testing Instructions

Use the voltage column to check the Building Static Pressure Sensor

while connected to a powered expansion board. Read voltage with meter

set on DC volts. Place the “-”(minus) lead on terminal labeled GND

and the “+” lead on terminal AIN4 on the Analog Input/Output Expan-

sion Board.

Pressure Sensors Voltage-Resistance Tables

OE271 Duct Static Pressure Sensor

This sensor is used to sense duct static pressure for the WattMaster

VAV system controllers. The OE271 sensor is a 0-5” W.C. pressure

range, 0-5 VDC voltage range sensor. Use the table and testing infor-

mation below to check for proper sensor operation.

OE258 Building Pressure Sensor

This sensor is used to sense building pressure for the WattMaster VAV

system controllers. The OE258 sensor is a -0.25” to +0.25” W.C. pres-

sure range, 0-5 VDC voltage range sensor. Use the table and testing

information below to check for proper sensor operation.

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Wattmaster VAV Manuel d'utilisateur Page 61

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