h.
The VFD shall respond to and record the following fault conditions:
(1) Over current (and have an indication if the over current was
(2)
Overcurrent internal to the drive.
(3)
Motor overload at start-up.
(4)
Over voltage from the utility power.
(5)
Motor running overload.
(6)
Overvoltage during deceleration.
(7)
VFD over heat.
(8)
Load end ground fault.
(9)
Abnormal parameters or data in VFD EEPROM.
2.8.8
Operational Conditions
The VFD shall be designed and constructed to operate within the following
service conditions.
a.
Ambient Temperature Range, 0 to 120 deg. F.
b.
2.8.9
Available Options
Provide [Allow for future capability of] the following options:
[a.
RFI/EMI filters]
[b. RS232 or RS422/485 interface card with application software
which can both control and monitor the VFD from attached computer.]
[c. A manual bypass circuit and switch integral [external] to the
drive to allow drive bypass and operation at 100% speed. Overload
fuses and other protective hardware shall remain in the circuit
during bypass.]
[d. One set of spare parts
[per drive] including: all replaceable
circuit cards, power diode
assemble, DC Buss capacitor, power
output transistor assembly,
all fuses, and all lights. Package
parts individually for long
term storage and clearly label
contents.]
PART 3
EXECUTION
3.1
INSTALLATION
Perform installation under supervision of competent technicians regularly
employed in the installation of DDC systems.
SECTION 15910N
Page 56