Variable Frequency Drive (Vfd) - Roberts Gorden UltraVac NEMA 4 Installation Manual

2.3 Variable Frequency Drive (VFD)

2.3.1 Enclosure
Standard Models
Construction: 14 gauge painted steel, mounting
panel included, left-hinged door,
vented.
Dimensions: 12" w x 14 3/8" h x 8" d
Protection: UL 50 Type 1, NEMA Type 1
NEMA 4 Models
Description: Drive assembly and components fully
factory assembled inside NEMA 4
enclosure. Enclosure dimensions and
construction vary by model.
Construction: VFD75115N4, VFD20230N4 and
VFD20460N4 enclosures are
16 gauge painted steel, left hinged
door, non-vented.
VFD75230N4 and VFD75460N4
enclosures are 14 gauge steel, left
hinged door, non-vented.
Dimensions: VFD75115N4 20" x 16" x 10"
VFD75230N4 14" x 12" x 8"
VFD20230N4 20" x 16" x 10"
VFD75460N4 16" x 14" x 10"
VFD20460N4 20" x 16" x 10"
Protection: NEMA 3R/4/12/13
2.3.2 Electrical
Power Output: 230 V, 3 Ø, 0-60 Hz
(for 115 V and 230 V models)
460 V, 3 Ø, 0-60 Hz
(for 460 V models)
Speed Reference
Follower: 0-10 Vdc
UL Standard: Industrial Controls Equipment
Ambient
Operating Temp.: 32°F - 104°F (0°C-40°C)
.75 HP, 230 V Drive (used with EP-203 pump)
(P/N VFD75230 or VFD75230N4)
Power Input: 208/240 V, 1 Ø, 50-60 Hz
Input Voltage Tolerance: +/- 10%
Amps: 6.9/6.0 A
1 HP, 120 V Drive (used with EP-203 pump)
(P/N VFD75115 or VFD75115N4)
Power Input: 120 V, 1 Ø, 50-60 Hz
Input Voltage Tolerance: +/- 10%
Amps: 16.6 A
2 HP, 230 V Drive (used with EP-303 pump)
(P/N VFD20230 or VFD20230N4)
Power Input: 208/240 V, 1 Ø, 50-60 Hz
Input Voltage Tolerance: +/- 10%
Amps: 18.4/16.0 A
1 HP, 460 V Drive (used with EP-203 pump)
(P/N VFD75460 or VFD75460N4)
Power Input: 400/480 V, 3 Ø, 50-60 Hz
Input Voltage Tolerance: +/- 10%
Amps: 3.0/2.5 A
2 HP, 460 V Drive (used with EP-303 pump)
(P/N VFD20460 or VFD20460N4)
Power Input: 400/480 V, 3 Ø, 50-60 Hz
Input Voltage Tolerance: +/- 10%
Amps: 4.8/4.0 A
SECTION 2: S
PECIFICATIONS
9