Honeywell SmartVFD HVAC MR4 User Manual page 66

P
RODUCT DATA
7.2 SmartVFD HVAC - technical data
Mains connection
Motor connection
Control
characteristics
Ambient conditions
Input voltage U
in
Input frequency
Connection to mains
Starting delay
Output voltage
Continuous output
current
Starting current
Output frequency
Frequency resolution
Switching frequency
(see parameter
M3.1.2.1)
Frequency reference
Analogue input
Panel reference
Field weakening point 8...320 Hz
Acceleration time
Deceleration time
Ambient operating
temperature
Storage temperature
Relative humidity
Air quality:
chemical vapours
mechanical particles
Altitude
208...240V; 380...480V; -10%...+10%
47...66 Hz
Once per minute or less
4 s (MR4 to MR6); 6 s (MR7 to MR9)
0-U
in
I :Ambient temperature max. +104°F,
L
overload 1.1 x I (1 min./10 min.)
L
I for 2 s every 20 s
S
0...320 Hz (standard)
0.01 Hz
1.5...10 kHz;
Defaults: 6 kHz (MR4-6), 4 kHz (MR7), 3
kHz (MR8-9)
Automatic switching frequency derating in
case of overheating
Resolution 0.1% (10-bit), accuracy ±1%
Resolution 0.01 Hz
0.1...3000 sec
0.1...3000 sec
I : -10°C (no frost)...+40°C
L
-40°F...+158°F
0 to 95% R , non-condensing, non-corro-
H
sive
IEC 60721-3-3, unit in operation, class 3C2
IEC 60721-3-3, unit in operation, class 3S2
100% load capacity (no derating) up to
1,000 m
1-% derating for each 100m above 1,000m
Max. altitudes:
208...240V: 4,500m (TN and IT systems)
380...480V: 4,500m (TN and IT systems)
Voltage for I/O signals:
Up to 2,000m : Allowed up to 240V
2,000m...4,500m: Allowed up to 120V
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