Xylem IM250R03 Aquavar CPC-FD - Manual (Page 32)

32
Motor Connections
Motor Connection Specifications – R7/R8
Motor Connection Specifications
Maximum Motor
Frame Maximum Motor Cable Length*
Cable Length
Size f
sw
= 1 or 4 kHz f
sw
= 8 kHz or 12 kHz
R7…R8 300 m 980 ft Does not apply
WARNING! Using a motor cable longer than specified in the chart above may cause permanent
damage to the drive.
Cooling – R7/R8
Cooling Specifications
Method Internal fan, flow direction from bottom to top.
• R7/R8: Free space in front of enclosure: 152 mm (6 in).
Requirement
• R7/R8: Free space above enclosure: None required for cooling.
• R7/R8: Free space at sides of enclosure: None required for cooling.
• R7/R8: Also see “Additional Free Space Recommendations” on page 33.
Air Flow, 380…480 Volt Drives – R7/R8
The following table lists heat loss and air flow data for 380…480 Volt drives.
Drive Heat Loss Air Flow
CPC-xx- Frame Size W BTU/Hr m 3 /h ft 3 /min
-245A-4 R7 3850 13000 300 540
-316A-4 R8 5300 18000 700 1220
-368A-4 R8 6850 23000 700 1220
-414A-4 R8 7000 24000 700 1220
-486A-4 R8 7600 26000 700 1220
-526A-4 R8 7800 27000 700 1220
-602A-4 R8 8100 28000 700 1220
-645A-4 R8 9100 31000 700 1220
TECHNICAL DATA
Frame
Size
U1, V1, W1
U2, V2, W2
BRK±, UDC± Terminals
Earthing PE Terminal
Minimum
Wire Size
Maximum
Wire Size
Tightening
Torque
Maximum
Wire Size
Tightening
Torque
mm 2 AWG mm 2 AWG N • m lb • ft mm 2 AWG N • m lb • ft
R1 1 0.75 18 10 8 1.4 1 10 8 1.4 1
R2 1 0.75 18 10 8 1.4 1 10 8 1.4 1
R3 1 2.5 14 25 3 2.5 1.8 16 6 1.8 1.3
R4 1 6 10 50 1/0 5.6 4 25 3 2 1.5
R5 1 6 10 70 2/0 15 11 70 2/0 15 11
R6 95 3/0 240 350 MCM 40 30 95 3/0 8 6
1 Aluminum cable cannot be used with frame sizes R1…R6 because of its lower capacity.
Note: See the recommended cable sizes for different load currents in section Cable Sizing/Ratings.
Cable Terminals
(Frames R1-R6)