Operating Instructions

SED2 VFD NEMA Type 3R/3RHE Bypass Operating Instructions
16 Siemens Building Technologies, Inc.
BYPASS CONTACTOR
BAFFLE
GROMMETS (5)
HEATER
SED2 VFD
INPUT CONTACTOR
TERMINAL BLOCK
OUTPUT CONTACTOR
LINE REACTOR
RELAYS
CONTROL TRANSFORMER
POWER FUSES
AIR FILTER
FAN
DISCONNECT
GROUND LUGS (2)
MOTOR OVERLOAD
INPUT POWER
WIRING
T1 T3T2
L1 L3L2
MOTOR
OVERLOAD
DISCONNECT
GROUND
LUGS
INPUT POWER WIRING
TO DISCONNECT
L1, L2, L3 AND TO
GROUND LUG
MOTOR WIRING TO
MOTOR OVERLOAD
T1, T2, T3, AND TO
GROUND LUG
MOTOR
WIRING
CONTROL
WIRING
VFD0190R1
Figure 11. Routing of Power and Control Wiring for Enclosure Frame Size ABC, 3RHE AB.
SED2 VFD
TERMINAL BLOCK
BYPASS
CONTACTOR
DISCONNECT
GROUND LUGS (2)
MOTOR OVERLOAD
CONTROL TRANSFORMER
INPUT CONTACTOR
BAFFLE
GROMMETS (5)
HEATER
MOTOR
WIRING
INPUT
POWER
WIRING
T1 T3T2
L1 L3L2
MOTOR
OVERLOAD
DISCONNECT
GROUND
LUGS
INPUT POWER WIRING
TO DISCONNECT
L1, L2, L3 AND TO
GROUND LUG
MOTOR WIRING TO
MOTOR OVERLOAD
T1, T2, T3, AND TO
GROUND LUG
CONTROL
WIRING
LINE REACTOR
OUTPUT CONTACTOR
POWER FUSES
AIR FILTER
FAN
VFD0191R1
Figure 12. Routing of Power and Control Wiring for Enclosure Frame Size DE
and 3RHE Frame Size D.
NOTE:
Grommets, Baffle
and Heater
components not
present in 3RHE
models.
NOTE:
Grommets, Baffle and
Heater components not
present in 3RHE models.