Danfoss VLT User Manual

Par. No. # Parameter description Default value
(SR = Size related)
4 set-up Change during oper-
ation
Conver-
sion index
Type
22-8* Flow Compensation 22-80 Flow Compensation [0] Disabled All set-ups TRUE - Uint8 22-81 Square-linear Curve Approximation 100 % All set-ups TRUE 0 Uint8
22-82 Work Point Calculation [0] Disabled All set-ups TRUE - Uint8
22-83 Speed at No-Flow [RPM] SR All set-ups TRUE 67 Uint16
22-84 Speed at No-Flow [Hz] SR All set-ups TRUE -1 Uint16
22-85 Speed at Design Point [RPM] SR All set-ups TRUE 67 Uint16
22-86 Speed at Design Point [Hz] SR All set-ups TRUE -1 Uint16
22-87 Pressure at No-Flow Speed 0.000 N/A All set-ups TRUE -3 Int32
22-88 Pressure at Rated Speed 999999.999 N/A All set-ups TRUE -3 Int32
22-89 Flow at Design Point 0.000 N/A All set-ups TRUE -3 Int32
22-90 Flow at Rated Speed 0.000 N/A All set-ups TRUE -3 Int32
VLT
®
HVAC Drive Instruction Manual
6 How to program the adjustable frequency
drive
MG.11.A9.22 - VLT
®
is a registered Danfoss trademark 6-81
6

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)