The GPD 506/P5, hereafter referred to as the drive, is a high performance sine-coded pulse
width modulated special purpose AC motor drive which generates an adjustable
voltage/frequency three phase output for complete speed control of most conventional
squirrel cage induction motors. Automatic stall prevention and voltage boost prevents
nuisance tripping during load or line side transient conditions. The drive will not induce any
voltage line notching distortion back to the utility line and maintains a displacement power
factor of not less than 0.98 throughout its speed range.
When properly installed, operated and maintained, the drive will provide a lifetime of
service. It is mandatory that the person who operates, inspects, or maintains this
equipment thoroughly read and understand this manual before proceeding.
This manual primarily describes the GPD 506/P5, but contains basic information for the
operator control station as well. This manual is equally applicable to drives labeled
GPD 506 or P5.
The drive is thoroughly tested at the factory. After unpacking, verify the part numbers with
the purchase order (invoice). Any damages or shortages evident when the equipment is
received must be reported immediately to the commercial carrier who transported the
equipment. Assistance, if required, is available from your sales representative.
If the drive will be stored after receiving, keep it in its original packaging and store according
to storage temperature specifications in Appendix 2.
Location of the drive is important to achieve proper performance and normal operating life.
The unit should be installed in an area where it will be protected from:
• Direct sunlight, rain or moisture.
• Corrosive gases or liquids.
• Vibration, airborne dust or metallic particles.
When preparing to mount the drive, lift it by its base,
nneevveerr
by the front cover. For
effective cooling as well as proper maintenance, the drive must be installed on a flat, non-
flammable vertical surface (wall or panel) using four mounting screws. There MUST be a
MINIMUM 4.7 in. clearance above and below the drive to allow air flow over the heat sink
fins. A minimum 1.2 in. clearance is required on each side of the drive.
A GPD 506/P5 in a free-standing floor-mount cabinet must be positioned with enough clear-
ance for opening the door of the cabinet; this will ensure sufficient air space for cooling.
Make sure air entering the drive is below 113°F (45°C) (for protected chassis drives), or
below 104°F (40°C) (for NEMA 1 drives), by adding a fan or other cooling device, if needed.
See environmental specifications in Appendix 2.
1-1
Section 1. RECEIVING AND INSTALLATION
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