14 siemens building technologies, inc – Siemens SED2 VFD Electronic Bypass Option 125-3208 User Manual
Page 22
SED2 VFD Electronic Bypass Option Operating Instructions
14
Siemens Building Technologies, Inc.
J1
J2
L1 L2 L3
T1 T2 T3
VFD0111R2
CONTROL WIRING
(DIGITAL INPUTS/
OUTPUTS) VIA
2 KNOCKOUTS
COMMUNICATIONS
WIRING (P1) VIA
1 KNOCKOUT
INPUT
POWER
WIRING VIA
KNOCKOUT
MOTOR
WIRING
VIA
KNOCKOUT
CONTROLLER
BOARD
REACTOR
(OPTIONAL)
INPUT
CONTACTOR
(OPTIONAL)
SED2 VFD
DISCONNECT
SWITCH
(OR OPTIONAL
CIRCUIT BREAKER)
GROUND LUGS
TRANSFORMER
BYPASS
CONTACTOR
OUTPUT
CONTACTOR
MOTOR
OVERLOAD
POWER FUSES
(OPTIONAL)
Figure 10. Routing of Power and Control Wiring
for Frame Sizes A and B.
CONTROL WIRING
(DIGITAL INPUTS/
OUTPUTS) VIA
2 KNOCKOUTS
COMMUNICATIONS
WIRING (P1) VIA
1 KNOCKOUT
INPUT
POWER
WIRING VIA
KNOCKOUT
MOTOR
WIRING
VIA
KNOCKOUT
J1
J2
CONTROLLER
BOARD
REACTOR
(OPTIONAL)
INPUT
CONTACTOR
(OPTIONAL)
SED2 VFD
DISCONNECT
SWITCH
(OR OPTIONAL
CIRCUIT BREAKER)
GROUND LUGS
L1 L2 L3
T1 T2 T3
TRANSFORMER
BYPASS
CONTACTOR
OUTPUT
CONTACTOR
MOTOR
OVERLOAD
POWER FUSES
(OPTIONAL)
VFD0112R1
Figure 11. Routing of Power and Control
Wiring for Frame Sizes C, D, and E.
INPUT POWER
WIRING VIA
KNOCKOUT
MOTOR
WIRING VIA
KNOCKOUT
BYPASS
CONTACTOR
OUTPUT
CONTACTOR
DISCONNECT SWITCH
(OR OPTIONAL
CIRCUIT BREAKER)
MOTOR
OVERLOAD
GROUND
LUGS (2)
L3 L2 L1
T3 T2 T1
J1
J2
CONTROLLER
BOARD
SED2
VFD
INPUT
CONTACTOR
(OPTIONAL)
TRANSFORMER
POWER FUSES
(OPTIONAL)
REACTOR
(OPTIONAL)
COMMUNICATIONS
WIRING (P1) VIA
1 KNOCKOUT
VFD0113R1
Figure 12. Routing of Power and Control Wiring for Frame Size F.