3.4.1 Component Identification & Customer Connection
Mechanical layout drawings are intended to provide the installer or equipment user with component identification and
location for that specific unit.
represents a typical layout drawing.
provides definitions for drawing
reference designators. (Not all reference designators are shown.)
(EMB2 OPTION ONLY)
(ECB OPTION ONLY)
(EMB2 OPTION ONLY)
(EMB2 OPTION ONLY)
CUST. CONNECTION
INPUT POWER
L1 L2 L3
CUST. CONNECTION
POWER TO MOTOR
T1 T2 T3
CUST. CONNECTION
EMB2 CONTROL WIRES
14
15
17
7
10
4,5,6
12
8
19
18
1
2
11
13
130BX372.12
27
26
CUST. CONNECTION
DRIVE CONTROL
TERMINALS
CUSTOMER CONNECTION
TERMINAL BLOCK 1
CUST. CONNECTION
INPUT & OUTPUT
GROUND
CUST. CONNECTION
ECB CONTROL WIRES
Figure 3.5 P2 Bypass Mechanical Layout Diagram
ID
Device
Definition
ID
Device
Definition
1
24 V DC
Panel 24 V DC SMPS
15
S1
Auto Bypass Selector Switch
2
HPC
High Pot Connector
16
TF
120 V AC control transformer
3
F13
T1 primary fuse
17
VFD
Variable frequency drive
4
CB1
Main Circuit Breaker
18
EMB2
Control Module
5
DS1
Main or Drive Disconnect
19
ECB
Control Module
6
F15
Main fuse
20
TB1-C
Terminal block 1 - Control
7
F16
Drive fuse
21
TB1-P
Terminal block 1 - Power
8
GND
Ground terminal
22
PR1
Control Relay for M1 Contactor
9
LCP
LCP
23
PR2
Control Relay for M2 Contactor
10
M1
Drive Input contactor
24
PR3
Control Relay for M3 Contactor
11
M2
Drive Output contactor
25
UVM
Under voltage module
12
M3
Bypass contactor
26
TC
Top Cover
13
OL1
Overload for Motor
27
DH
Disconnect Handle
14
PL1
Bypass indicator light
Table 3.8 Reference Designator Definitions
Installation
Vertical Bypass/Non Bypass Panel
3-8
MG.13.A1.22 - VLT
®
is a registered Danfoss trademark
3
3