Operating Instructions

SED2 VFD NEMA Type 3R/3RHE Bypass Overview
Siemens Building Technologies, Inc. 5
BYPASS CONTACTOR
DISCONNECT SWITCH
GROUND LUGS
MOTOR OVERLOAD
BAFFLE
GROMMETS
HEATER
SED2 VFD
INPUT CONTACTOR
CONTROL TERMINAL BLOCK
OUTPUT CONTACTOR
LINE REACTOR
RELAYS
CONTROL TRANSFORMER
POWER FUSES
VFD0184R1
VFD0185R1
SED2 VFD
CONTROL TERMINAL BLOCK
BYPASS
CONTACTOR
DISCONNECT SWITCH
GROUND LUGS
MOTOR OVERLOAD
CONTROL TRANSFORMER
INPUT CONTACTOR
BAFFLE
GROMMETS
HEATER
LINE REACTOR
RELAYS
POWER FUSES
OUTPUT CONTACTOR
Enclosure 3R Frame ABC and 3RHE Frame Size B. Enclosure 3R Frame DE and 3RHE C and D.
SED2 VFD
INPUT CONTACTOR
BAFFLE
GROMMETS
HEATER
TERMINAL BLOCK
DISCONNECT SWITCH
GROUND LUGS
MOTOR OVERLOAD
OUTPUT CONTACTOR
BYPASS CONTACTOR
LINE REACTOR
CONTROL TRANSFORMER
POWER FUSES
RELAYS
VFD0186R1
Enclosure Frame F.
Figure 2. Typical NEMA Type 3R/3RHE Bypass Components.

NOTE: Control wiring should
be run with maximum
separation possible
from all other wiring.
* Components NOT
present in NEMA
Type 3RHE models.