3Com VFD-D D Refrigerator User Manual


 
; Do NOT connect AC main power directly to the drive’s output terminals U/T1, V/T2
and W/T3.
; DO NOT use Hi-pot test for internal components. The semi-conductor used in the
AC motor drive is easily damaged by high-pressure.
; A charge may still remain in the main circuit terminals with hazardous voltages,
even when motor has come to stop.
; Only the qualified technicians are allowed to install, wire and maintain AC motor
drive.
; Be aware of the motor that it may rotates as soon as the RUN key is pressed using
an external digital keypad, DO NOT stand next to the motor.
; DO NOT install the AC motor drive in a place subjected to high temperature, direct
sunlight, high humidity, excessive vibration, corrosive gases or liquids, or airborne
dust or metallic particles.
; Please regards the specification for AC motor drives installation. Failure to comply
may result in fire, explosion or electric shock.
; When the motor cable between the AC motor drive and motor is too long, the layer
insulation of the motor may be damaged.
; The rated voltage for the AC motor drive must be 240V and the mains supply
current capacity must be 5000A RMS.
; If the AC motor drive is stored in no charge condition for more than 3 months, the
ambient temperature should not be higher than 30 °C. Storage longer than one
year is not recommended, it could result in the degradation of the electrolytic
capacitors.
; Pay attention to the following when transporting and installing this package
(including wooden crate, wood stave and carton box)
1. If you need to sterilize, deworm the wooden crate or carton box, please do
not use steamed smoking sterilization or you will damage the VFD.
2. Please use other ways to sterilize or deworm.
3. You may use high temperature to sterilize or deworm. Leave the packaging
materials in an environment of over 56 for 30 minutes.
4. It is strictly forbidden to use steamed smoking sterilization. The warranty
does not covered VFD damaged by steamed smoking sterilization.
NOTE
Some of the graphics shown in this manual are the inner part of the drive after the cover is removed, when VFD-DD is in
operation status, please make sure the cover and wiring are in the specified space as the manual indicates for personal
safety.
The drive customers received may be slightly different than the figures shown in the manual, this condition is normal and will
cause no influences to the customer rights.
Delta is always improving our products for greater efficiency; the content of this document may be modified or changed