Danfoss VLT Instruction Manual page 167

Hvac drive
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VLT
®
HVAC Drive Instruction Manual
8.1.2 General specifications:
Line power supply (L1, L2, L3):
Supply voltage
Supply voltage
Supply frequency
Max. imbalance temporary between line phases
True Power Factor ()
Displacement Power Factor (cos) near unity
Switching on input supply L1, L2, L3 (power-ups) ≤ enclosure type A
Switching on input supply L1, L2, L3 (power-ups) ≥ enclosure type B, C
Switching on input supply L1, L2, L3 (power-ups) ≥ enclosure type D, E
Environment according to EN60664-1
The unit is suitable for use on a circuit capable of delivering not more than 100.000 RMS symmetrical Amperes, 480/600 V maximum.
Motor output (U, V, W):
Output voltage
Output frequency
Switching on output
Ramp times
Torque characteristics:
Starting torque (Constant torque)
Starting torque
Overload torque (Constant torque)
*Percentage relates to the adjustable frequency drive's nominal torque.
Cable lengths and cross-sections:
Max. motor cable length, shielded/armored
Max. motor cable length, unshielded/unarmored
Max. cross-section to motor, line power, load sharing and brake *
Maximum cross-section to control terminals, rigid wire
Maximum cross-section to control terminals, flexible cable
Maximum cross-section to control terminals, cable with enclosed core
Minimum cross-section to control terminals
* See Line Power Supply tables for more information!
Digital inputs:
Programmable digital inputs
Terminal number
Logic
Voltage level
Voltage level, logic'0' PNP
Voltage level, logic'1' PNP
Voltage level, logic '0' NPN
Voltage level, logic '1' NPN
Maximum voltage on input
Input resistance, R
i
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminals 27 and 29 can also be programmed as output.
MG.11.A9.22 - VLT
®
is a registered Danfoss trademark
3.0% of rated supply voltage
≥ 0.9 nominal at rated load
overvoltage category III / pollution degree 2
0–100% of supply voltage
maximum 110% for 1 min.
maximum 135% up to 0.5 sec.
maximum 110% for 1 min.
VLT HVAC Drive: 492 ft [150 m]
VLT HVAC Drive: 984 ft [300 m]
0.0023 in
2
[1.5 mm
2
]/16 AWG (2 x 0.00112
0.0016 in
0.0008 in
0.00039 in
18, 19, 27
8 Specifications
380–480 V ±10%
525–600 V ±10%
50/60 Hz ±5%
(> 0.98)
maximum twice/min.
maximum once/min.
maximum once/2 min.
0–1,000 Hz
Unlimited
1-3,600 sec.
*
*
8
*
2
in [0.75 mm
2
])
2
2
[1 mm
]/18 AWG
2
2
[0.5 mm
]/20 AWG
2
2
[0.25 mm
]
4 (6)
1)
, 29
1)
, 32, 33,
PNP or NPN
0–24 V DC
< 5 V DC
> 10 V DC
> 19 V DC
< 14 V DC
28 V DC
approx. 4 k
8-15

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