External ducts
If additional duct work is added externally to the Rittal
cabinet, the pressure drop in the ducting must be
calculated. Use the charts below to derate the adjustable
frequency drive according to the pressure drop.
Figure 2.2 Unit Size 4X Derating vs. Pressure Change
Drive air flow: 450 cfm (765 m
3
/h)
Figure 2.3 Unit Size 5X Derating vs. Pressure Change (Small Fan),
350 HP @ 460 V and 500–550 HP @ 690 V
Drive air flow: 650 cfm (1105 m
3
/h)
Figure 2.4 Unit Size 5X Derating vs. Pressure Change (Large Fan)
Drive air flow: 850 cfm (1445 m
3
/h)
Figure 2.5 Unit Size 61, 62, 63 and 64 Derating vs. Pressure
Change
Drive air flow: 580 cfm (985 m
3
/h)
2.3.3 Lifting
•
Check the weight of the unit to determine a safe
lifting method
•
Ensure that the lifting device is suitable for the
task
•
If necessary, plan for a hoist, crane, or forklift with
the appropriate rating to move the unit
•
For lifting, use hoist rings on the unit, when
provided
Figure 2.6 Recommended Lifting Method, 4X and 5X Unit Sizes.
WARNING
The lifting bar must be able to handle the weight of the
adjustable frequency drive. See
Mechanical Dimensions
for
the weight of the different unit sizes. Maximum diameter
for bar is 1 in [2.5 cm]. The angle from the top of the
adjustable frequency drive to the lifting cable should be
60
°
or greater.
2.3.4 Mounting
•
Mount the unit vertically
•
The adjustable frequency drive allows side by
side installation
•
Ensure that the strength of the mounting location
will support the unit weight
Installation
AF-650 GP
TM
Design and Installation Guide
DET-767A
2-3
2
2
Summary of Contents for AF-650 GP Series
Page 3: ...Safety AF 650 GPTM Design and Installation Guide DET 767A ...
Page 9: ...Contents AF 650 GPTM Design and Installation Guide DET 767A ...
Page 19: ...Introduction AF 650 GPTM Design and Installation Guide 1 10 DET 767A 1 1 ...
Page 35: ...Installation AF 650 GPTM Design and Installation Guide 2 16 DET 767A 2 2 ...
Page 41: ...Start Up and Functional Tes AF 650 GPTM Design and Installation Guide 3 6 DET 767A 3 3 ...
Page 55: ...About Programming AF 650 GPTM Design and Installation Guide 5 10 DET 767A 5 5 ...
Page 91: ...Application Setup Examples AF 650 GPTM Design and Installation Guide 6 36 DET 767A 6 6 ...
Page 103: ...Status Messages AF 650 GPTM Design and Installation Guide 8 4 DET 767A 8 8 ...
Page 123: ...Warnings and Alarms AF 650 GPTM Design and Installation Guide 10 10 DET 767A 10 0 ...
Page 127: ...Basic Troubleshooting AF 650 GPTM Design and Installation Guide 11 4 DET 767A 11 1 ...
Page 129: ...Terminal and Applicable Wir AF 650 GPTM Design and Installation Guide 12 2 DET 767A 12 2 ...
Page 161: ...Specifications AF 650 GPTM Design and Installation Guide 13 32 DET 767A 13 3 ...