Operating Instructions

SED2 VFD NEMA Type 3R/3RHE Bypass Operating Instructions
14 Siemens Building Technologies, Inc.
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RR
M2
108 109 105
12 1413 1615 17 2726 2928 30
20 21 22 2423 25
+10VDC +0VDC AIN1+ AIN1- DIN1 DIN2 DIN3 DIN4 ISO 24VDC AIN2+ AIN2-
AO1+ AO1- PTC A PTC B DIN5 DIN6 AO2+ AO2- ISO 0VDC P+ N-
RL1 NC RL1 NO RL1 COM RL2 NC RL2 NO RL2 COM
23
234
123
234
928
CONTROL TERMINATIONS LOCATED
ON DRIVE I/O MODULE.
CONTROL INTER-CONNECTION
BETWEEN BYPASS PANEL.
DRIVE CONTROL TERMINATIONS ANALOG INPUT EXAMPLES
EXTERNAL
0 TO 10V
EXTERNAL
0/4 TO 20mA
+-
+-
SPEED
POTENTIOMETER
4.7K OHM
VFD 24 VDC POWERED
0/4 mA DEVICE
(POWER CONSUMPTION
CANNOT EXCEED 100mA)
POWER
mA
M2
BYPASS CONTROL TERMINATIONS
132546 87109111213 14
CONTROL TERMINATIONS LOCATED
IN BYPASS ENCLOSURE CBT-1.
15 16
CUSTOMER
REMOTE
START
PROVIDE
DRY
CONTACT
INSTALL
JUMPER
FOR LOCAL
BYPASS
OPERATION
CUSTOMER
SUPPLIED
SAFETIES
ESSENTIAL
SERVICE
ENABLED
INSTALL
JUMPER
FOR REMOTE
BYPASS
OPERATION
TERMINALS 9 THROUGH 12
ARE USED FOR AUTO BYPASS
FEATURE. IF USING THIS
FEATURE, SEE INSTRUCTION
FOR WIRING AND FOR
DRIVE PROGRAMMING.
ESSENTIAL
SERVICE
ACTIVE
PROVIDE
DRY
CONTACT
WITH
JUMPER
SHIPPED
WITH
JUMPER
JUMPER
INSTALLED
FOR
NON-AUTO
BYPASS
OPERATION
PROVIDE
DRY
CONTACT
PROVIDE
DRY
CONTACT
17
NOT FOR
CUSTOMER
USE
Figure 9. NEMA Type 3R/3RHE Bypass Terminations.