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Duct Air
Temp
0
500
1000
°F (C°)
(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
-20 (-29) 0.83
0.85
0.86
0.88
0 (-18) 0.87
0.88
0.9
0.92
20 (-7)
0.91
0.92
0.94
0.96
40 (4)
0.94
0.96
0.98
60 (15) 0.98
1
1.02
1.04
70 (21)
1
1.02
1.04
1.06
80 (27) 1.02
1.04
1.06
1.08
100 (38) 1.06
1.08
1.10
1.12
120 (49) 1.09
1.11
1.13
1.16
140 (60) 1.13
1.15
1.17
1.19
160 (71) 1.17
1.19
1.21
1.23
180 (82) 1.21
1.23
1.25
1.27
200 (93) 1.25
1.27
1.29
1.31
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
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.
®
Elevation Dimensions in feet and (meters)
1500
2000
2500
3000
3500
0.85
0.87
0.88
0.90
0.89
0.91
0.93
0.94
0.93
0.95
0.97
0.99
0.97
0.99
1.01
1.03
1
1.01
1.03
1.05
1.07
1.05
1.07
1.09
1.11
1.07
1.09
1.11
1.14
1.10
1.12
1.14
1.16
1.14
1.16
1.18
1.20
1.18
1.20
1.22
1.24
1.22
1.24
1.26
1.29
1.26
1.28
1.30
1.33
1.30
1.32
1.35
1.37
1.34
1.36
1.39
1.41
Table 1 - Air Density Correction Factor
Air Density Correction Factors
4000
4500
5000
5500
0.92
0.93
0.95
0.97
0.96
0.98
1
1.01
1
1.02
1.04
1.06
1.05
1.07
1.09
1.11
1.09
1.11
1.13
1.15
1.13
1.16
1.18
1.20
1.16
1.18
1.20
1.22
1.18
1.20
1.22
1.24
1.22
1.24
1.27
1.29
1.27
1.29
1.31
1.34
1.31
1.33
1.36
1.38
1.35
1.38
1.40
1.43
1.40
1.42
1.45
1.48
1.44
1.47
1.49
1.52
under the Instruction Manual tab.
Constant Volume
Varigreen Damper
Controller
6000
6500
7000
7500
8000
0.99
1.01
1.02
1.04
1.06
1.03
1.05
1.07
1.09
1.11
1.08
1.10
1.12
1.14
1.16
1.13
1.15
1.17
1.19
1.22
1.17
1.20
1.22
1.24
1.27
1.22
1.24
1.27
1.29
1.32
1.24
1.27
1.29
1.32
1.34
1.27
1.29
1.32
1.34
1.37
1.32
1.34
1.37
1.39
1.42
1.36
1.39
1.41
1.44
1.47
1.41
1.44
1.46
1.49
1.52
1.46
1.48
1.51
1.54
1.57
1.50
1.53
1.56
1.59
1.62
1.55
1.58
1.61
1.64
1.67
AMD & AMS Series
8500
9000
1.08
1.10
1.14
1.16
1.19
1.21
1.24
1.26
1.29
1.31
1.34
1.37
1.37
1.39
1.39
1.42
1.44
1.47
1.50
1.53
1.55
1.58
1.60
1.63
1.65
1.68
1.70
1.74
5
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