VLT
®
6000 HVAC
29
MG.60.B1.02 - VLT is a registered Danfoss trademark
Introduction to
HV
AC
3.03
Examination
A. Contractor to verify that job site conditions for
installation meet factory recommended and code-
required conditions for frequency converter
installation prior to start-up, including clearance
spacing, temperature, contamination, dust, and
moisture of the environment. Separate installation
of the motor wiring, power wiring, and control
wiring, and installation per the manufacturer's
recommendations shall be verified.
B. The frequency converter is to be covered and
protected from installation dust and
contamination until the environment is cleaned
and ready for operation. The frequency converter
shall not be operated while the unit is covered.
A. The frequency converter shall be warranted by the
manufacturer for a period of 18 months from date
of shipment. The warranty shall include parts,
labour, travel costs and living expenses incurred
by the manufacturer to provide factory authorized
on-site service.
2.09
SERVICE CONDITIONS
A. Continuous operation at ambient temperature, -
10 to +40°C (14 to 104°F), without derating.
B. 0 to 95% relative humidity, non-condensing.
C. Elevation to 3,300 feet without derating.
D. AC line voltage variation, -10 to +10% of nominal
voltage, while rated motor torque is maintained.
E. No side clearance shall be required for cooling of
wall mount units and all power and control wiring
shall be done from the bottom.
F. The frequency converter shall be capable of
operating a motor up to 150m away without
derating or field modification.
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Part 3 Execution
3.01
Start-up Service
A. The manufacturer shall provide start-up
commissioning of the frequency converter and its
optional circuits by a factory certified service
technician who is experienced in start-up and
repair services. The commissioning personnel
shall be the same personnel that will provide the
factory service and warranty repairs at the
customer's site. Sales personnel and other
agents who are not factory certified technicians
for frequency converter field repair shall not be
acceptable as commissioning agents. Start-up
services shall include checking for verification of
proper operation and installation for the frequency
converter, its options and its interface wiring to
the building automation system. Start-up shall
include customer operator training at the time of
the equipment commissioning.
3.02
Warranty