13-25-608 Page 17
When piping two or more rotary screw units on a common discharge line, each unit shall be isolated by
the check valve in the unit discharge line.
If a rotary screw and a reciprocating compressor are piped to a common discharge line, an air receiver
must be located between the two units.
Discharge air used for breathing will cause severe injury or death.
Consult filtration specialists for additional filtration and treatment equipment to
meet health and safety standards.
ELECTRICAL WIRING - Standard Units -
The compressor package is factory wired for all connections
from the starter to the motor, for the horsepower and voltage specified on the order. The standard unit is
supplied with:
·
UL Type 4 (NEMA 4) starter and controls enclosure and TEFC main motor on FS variants. Note that
the overload settings are to be selected based on motor nameplate full load amperage
·
UL Type 1 (IP54 VFD and controls enclosure and TEAO main motor on VS variants.
See
“Location” paragraph on page 13, for distance to the nearest obstruction on the control box side of
the package.
Perform all wiring in accordance with the National Electrical Code (NFPA-70) and any applicable local
electrical codes. Wiring must be performed only by qualified electricians.
Electrical shock can cause injury or death. Open main disconnect switch,
lockout and tag out before working on control box.
Electrical Wire Sizing -
A certified electrician familiar with National Electric Codes and applicable local
codes shall size the electrical power wires serving the compressor package. Refer to Figure 2-4, 2-5 for a
summary of maximum package current draw values.
Power
Phase-Voltage Max Current Draw - amps
25 / 30 HP package
3-575
30.1 / 35.4
"
3-460
37.6 / 43.8
"
3-230
73.6 / 86.1
"
3-208
82.9 / 94.9
RNC 125 dryer
1-115
18.0
RNC 150 dryer
1-115
18.0
Figure 2-4 – Electrical Wiring Sizing – FS Variants
Summary of Contents for APEX25-30A
Page 11: ...13 25 608 Page 10 Figure 1 2 COMPRESSOR ILLUSTRATION VARIABLE SPEED 304USC797 A Ref Drawing...
Page 12: ...13 25 608 Page 11 Figure 1 3 COMPRESSOR ILLUSTRATION FIXED SPEED 305USC797 A Ref Drawing...
Page 27: ...13 25 608 Page 26 Figure 4 2 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 1 of 4...
Page 28: ...13 25 608 Page 27 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 2 of 4...
Page 29: ...13 25 608 Page 28 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 3 of 4...
Page 30: ...13 25 608 Page 29 Figure 4 3 WIRING DIAGRAM VS 230 VOLT 306USC546 01 Ref Drawing Page 4 of 4...
Page 31: ...13 25 608 Page 30 Figure 4 3 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 1 of 4...
Page 32: ...13 25 608 Page 31 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 2 of 4...
Page 33: ...13 25 608 Page 32 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 3 of 4...
Page 34: ...13 25 608 Page 33 Figure 4 4 WIRING DIAGRAM VS 575 VOLT 307USC546 02 Ref Drawing Page 4 of 4...
Page 45: ...13 25 608 Page 44 Figure 4 7 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 1 of 3...
Page 46: ...13 25 608 Page 45 Figure 4 8 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 2 of 3...
Page 47: ...13 25 608 Page 46 Figure 4 8 WIRING DIAGRAM FS 575 VOLT 309USC546 01 Ref Drawing Page 3 of 3...
Page 51: ...13 25 608 Page 50 Figure 4 8 PIPING AND INSTRUMENTATION ILLUSTRATIONJ 301USC797 C Ref Drawing...
