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Setup and Operation for AMS and AMD Series With Factory Supplied Controller

Units ordered with a factory controller are supplied with a Greenheck Vari-Green constant volume controller. The
Vari-Green constant volume controller is highly conﬁgurable, but is shipped from the factory preprogramed as
ordered and thus does not normally required ﬁeld conﬁguration. The full installation and operation manual for the
controller is available at

http://www.greenheck.com/products/detail/91

under the Instruction Manual tab.

In its default operating mode the controller will modulate the damper’s actuator to achieve a cfm setpoint. The
controller receives the cfm setpoint via an analog input. The controller also has an analog output that is proportional
to the real-time cfm that is going through the AMS/AMD. The following section describes how to determine the
voltage corresponding to the desired cfm setpoint and how to convert the voltage output into cfm.

Constant Volume

Varigreen Damper

Controller

Duct Air

Temp

Air Density Correction Factors

Elevation Dimensions in feet and (meters)

°F (C°)

500

1000

1500

2000

2500

3000

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

8500

9000

(0) (152.4) (304.8) (457.2) (609.6) (762) (914.4) (1066.8) (1219.2) (1371.6) (1524) (1676.4) (1828.8) (1981.2) (2133.6) (2286) (2438.4) (2590.8) (2743.2)

-40 (-40) 0.79 0.81 0.82

0.84

0.85

0.87

0.88

0.90

0.92

0.93

0.95

0.97

0.99

1.01

1.02

1.04

1.06

1.08

1.10

-20 (-29) 0.83 0.85 0.86

0.88

0.89

0.91

0.93

0.94

0.96

0.98

1.01

1.03

1.05

1.07

1.09

1.11

1.14

1.16

0 (-18) 0.87 0.88

0.9

0.92

0.93

0.95

0.97

0.99

1.02

1.04

1.06

1.08

1.10

1.12

1.14

1.16

1.19

1.21

20 (-7) 0.91 0.92 0.94

0.96

0.97

0.99

1.01

1.03

1.05

1.07

1.09

1.11

1.13

1.15

1.17

1.19

1.22

1.24

1.26

40 (4)

0.94 0.96 0.98

1.01

1.03

1.05

1.07

1.09

1.11

1.13

1.15

1.17

1.20

1.22

1.24

1.27

1.29

1.31

60 (15) 0.98

1.02

1.04

1.05

1.07

1.09

1.11

1.13

1.16

1.18

1.20

1.22

1.24

1.27

1.29

1.32

1.34

1.37

70 (21)

1.02 1.04

1.06

1.07

1.09

1.11

1.14

1.16

1.18

1.20

1.22

1.24

1.27

1.29

1.32

1.34

1.37

1.39

80 (27) 1.02 1.04 1.06

1.08

1.10

1.12

1.14

1.16

1.18

1.20

1.22

1.24

1.27

1.29

1.32

1.34

1.37

1.39

1.42

100 (38) 1.06 1.08 1.10

1.12

1.14

1.16

1.18

1.20

1.22

1.24

1.27

1.29

1.32

1.34

1.37

1.39

1.42

1.44

1.47

120 (49) 1.09 1.11 1.13

1.16

1.18

1.20

1.22

1.24

1.27

1.29

1.31

1.34

1.36

1.39

1.41

1.44

1.47

1.50

1.53

140 (60) 1.13 1.15 1.17

1.19

1.22

1.24

1.26

1.29

1.31

1.33

1.36

1.38

1.41

1.44

1.46

1.49

1.52

1.55

1.58

160 (71) 1.17 1.19 1.21

1.23

1.26

1.28

1.30

1.33

1.35

1.38

1.40

1.43

1.46

1.48

1.51

1.54

1.57

1.60

1.63

180 (82) 1.21 1.23 1.25

1.27

1.30

1.32

1.35

1.37

1.40

1.42

1.45

1.48

1.50

1.53

1.56

1.59

1.62

1.65

1.68

200 (93) 1.25 1.27 1.29

1.31

1.34

1.36

1.39

1.41

1.44

1.47

1.49

1.52

1.55

1.58

1.61

1.64

1.67

1.70

1.74

Table 1 - Air Density Correction Factor

AMD & AMS Series

Содержание AMD-42

Страница 1: ...velocity of 300 fpm 1 5 m s is required Table of Contents Pre Installation Guidelines 2 Electrical Guidelines 2 Installation 2 10 Setup and Operation for AMS and AMD Series Without Factory Supplied Controller 3 Clearances Required Between Damper Sleeves and Wall Floor Openings 4 Installing Multiple Damper Section Assemblies 4 5 Multiple Section Damper Wiring 5 Maximum Assembly Tables 5 Inserting D...

Страница 2: ...nstallation Examples of such foreign materials include but are not limited to a Mortar dust b Drywall dust c Firesaﬁng materials d Wall texture e Paint overspray 6 Damper should be sufﬁciently covered as to prevent overspray if wall texturing or spray painting will be performed within 5 feet 1 5m of the damper Excessive dirt or foreign material deposits on damper can cause excessive leakage and or...

Страница 3: ...staller Design calculations for these retaining and supporting members should be determined by ﬁeld engineers for that particular installation 4 Individual damper sections as well as entire multiple section assemblies must be completely square and free from racking twisting or bending Measure diagonally from upper corners to opposite lower corners of each section 5 Damper blades axles and linkage ...

Страница 4: ...MS see example label below Using the high pressure limit of the transducer and the voltage output of the transducer the real time pressure reading can be calculated using the formula Ptransducer Transducer Output Voltage High Pressure Limit of Transducer 10 Formula 1 The pressure reading of the transducer can then be used to calculate the volumetric ﬂow rate going through the AMS or AMD using the ...

Страница 5: ...4 2590 8 2743 2 40 40 0 79 0 81 0 82 0 84 0 85 0 87 0 88 0 90 0 92 0 93 0 95 0 97 0 99 1 01 1 02 1 04 1 06 1 08 1 10 20 29 0 83 0 85 0 86 0 88 0 89 0 91 0 93 0 94 0 96 0 98 1 1 01 1 03 1 05 1 07 1 09 1 11 1 14 1 16 0 18 0 87 0 88 0 9 0 92 0 93 0 95 0 97 0 99 1 1 02 1 04 1 06 1 08 1 10 1 12 1 14 1 16 1 19 1 21 20 7 0 91 0 92 0 94 0 96 0 97 0 99 1 01 1 03 1 05 1 07 1 09 1 11 1 13 1 15 1 17 1 19 1 22...

Страница 6: ...1 Setting the Flow Setpoint The controller accepts an analog input conﬁgurable for either 0 10 or 2 10 VDC that is proportional to a target volumetric airﬂow rate cfm The voltage corresponding to the setpoint can be determined using the following formulas 0 10 VDC setpoint C Q Vmax A 10 2 10 VDC setpoint C Q Vmax A 8 2 Formula 3 Where C Flow Setpoint VDC Q Desired Airﬂow cfm V max Maximum Velocity...

Страница 7: ...ing the Damper Actuator The actuator can be powered either by the same power supply as the controller as shown in Figure 2 or by running a separate power supply to terminals 4 and 5 of the factory supplied terminal block on the AMD AMS In addition the Control Out from the controller terminal 7 must be run to terminal 6 on AMD AMS terminal block Connecting the Flow or position Setpoint Signal Conne...

Страница 8: ...one at factory when the actuator is externally mounted When the actuator is internally mounted the actuator must be wired to the terminal block in the field Vari Green Constant Volume Controller Wiring Diagram Figure 2 AMD AMS Series 8 ...

Страница 9: ... Elbow Without Vanes D 2 2D Round Sweep Elbow D 2 2D Sweep Elbow 3D Centrifugal Fan Discharge 1 5D Centrifugal Fan Inlet 5D Vane Axial Fan Discharge 2D Vane Axial Fan Inlet Optimal Placement for AMS AMD Damper Series Fans AMD AMS Series 9 ...

Страница 10: ...ransitions 1D Į Į Transition 1 D 2 Į Į Transition 2 1D Į Į Transition 3 D 2 Transition 4 Į Į 1D Į Transition 5 1D Į Transition 6 1D Į Transition 7 D 2 Transition 8 Į Dampers 1D D1 4D D2 AMD AMS Series 10 ...

Страница 11: ... D Duct Diameter 4 x Width x Height H Rectangular Duct D Air Handling Units 1D Louver Air Handler with Louver Hood Return Air 1D Takeoffs 3D Branch Takeoff 1 3D Branch Takeoff B2B 2D Branch Takeoff 3 1D Branch Takeoff 4 Branch Takeoff B2A AMD AMS Series 11 ...

Страница 12: ...l bearings without grease ﬁttings do not require lubrication Ball bearings with grease ﬁttings require only minimal grease Closure Remove foreign materials that may be interfering with blade closure or effective sealing of the blades with each other or with the frame Operation While operating the damper through its full cycle check to see that the blades open and close properly If there is a probl...

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