Installation Instructions

Document No. 129-704
Installation Instructions
May 10, 2016
Page 6 of 7 Siemens Industry, Inc.
Table 1.
Conventional (A)
SED2
Terminal No.
Description
Bypass Wire
Color
(Number)
BT300
Terminal No.
Description
Function
8
Digital Input 4
108
9
Digital Input 2
Run Interlock 2
(M2 Status
Coast to Stop)
5
Digital Input 1
105
8
Digital Input 1
Start Stop
9
24 Vdc +
109
6
24 Vdc +
Power 24 Vdc
22
RO1 NO
7
24
RO2 NC
Fault Status
21
RO1 Common
5
25
RO2 Common
Fault Status
Electronic (E)
SED2
Terminal No.
Description
Bypass Wire
Color
(Number)
BT300
Terminal No.
Description
Function
8
Digital Input 4
Purple
14
Digital Input 4
Run Interlock 1
6
Digital Input 2
Yellow
9
Digital Input 2
Run Interlock 2
(M2 Status
Coast to Stop)
5
Digital Input 1
Brown
8
Digital Input 1
Start Stop
28
24 Vdc -
Blue
7
Ground
Power 24 Vdc
25
RO 2 NO
Red
23
RO1 NO
Run Status
24
RO 2 Common
Red
22
RO1 Common
Run Status
22
RO1 NO
Orange
24
RO2 NC
Fault Status
21
RO1 Common
Orange
25
RO2 Common
Fault Status
Completing the Installation
1. Using a knife or pliers, cut free the opening on
the drive cover for the control wiring.
Figure 22. Drive Cover.
2. Mount the BT300 HVAC Drive cover and
resecure with screws.
Figure 23. BT300 HVAC Drive with Cover Secured.
3. Install the Enclosure Bracket ensuring alignment
of the retaining clamps with the Drive Enclosure
Bracket and the top of the bypass cabinet.