3.4.1 Component Identification
Mechanical layout drawings are provided inside the cover of each unit with an option panel. These illustrations are intended
to provide the installer or equipment user with component identification and location for that specific unit.
Illustration 3.7
and
Illustration 3.8
represent a typical layout drawing.
Table 3.3
provides definitions for drawing reference designators. (Not
all reference designators are shown.)
VFD
M1
DS2
OPTIONAL
24 V
M3
GD
GD
M2
F16
130BX218.1
1
Illustration 3.7 Sample Mechanical Layout Diagram
F15
DS1 CB1
OL1
OPTIONAL
OUTPUT MOTOR CONNECTION
T1,T2,T3
OPTIONAL
INPUT POWER
CONNECTION L1,L2,L3
GD
PL2
S1
TB1
130BD318.12
Illustration 3.8 Sample Mechanical Layout Diagram
ID
Definition
Function
24 V
Option panel 24 V DC SMPS
Supply 24 V DC control power to option panel for internal use only
CB1
Main Circuit breaker
Provide isolation between option panel and current protection for incoming mains
DS1
Main or line disconnect
Provide isolation between option panel and mains
DS2
Drive disconnect
Provide isolation between VFD and line voltage
DF15
Main fused disconnect
Provide isolation between option panel and mains
DV1
VFD output motor filter
Output filter to provide filtering for PWM drive output wave form
F12
T1 secondary fuse
Current protection for internal 120 V AC control circuit
F13
T1 primary fuse
Current protection for line side of 120 V AC internal control transformer
F15
Line or main fuse
Provide current protection to option panel
F16
Drive fuse
Provide current protection to drive
GD
Ground terminal
Customer connection for power grounds to mains and motor
LR1
VFD input line reactor
Input reactor to provide additional input impeadance to drive
M1
VFD input contactor
Provide isolation between VFD and line voltage
M2
VFD output contactor
Provide isolation between VFD and motor
M3
Bypass contactor
Provide line voltage to motor
M4
Motor 1 contactor
Used to select motor 1 operation
M5
Motor 2 contractor
Used to select motor 2 operation
MT1
Motor 1 connection terminal
Provides termination point for motor leads in option panel
OL1
Overload for motor 1
Provide overload protection to motor when running in bypass
OL2
Overload for motor 2
Provide overload protection to motor when running in bypass
PL2
Bypass indicator light
Provides indication when motor is in bypass mode
S1
Bypass selector switch
Operator interface for bypass mode selection on electromechanical bypass
S103
Auto bypass selection switch
4 position switch used to setup auto bypass on EMB2 control option
S2
CMS selector switch
Operator interface for contactor motor selection
T1
120 V AC control transformer
Provide internal 120 V AC supply
T3
120 V AC control transformer
Provide customer 120 V AC supply
TB1
Terminal Block 1
Customer bypass control connections for ECB-CMS and EMB0 control option
VFD
Variable frequency drive
Provide variable frequency and voltage to AC motor
X55
Customer terminal block
Customer control connection terminal block on EMB1 and EMB2 control option
X56
Customer terminal block
Customer control connection terminal block on EMB1 and EMB2 control option
X58
Customer terminal block
Customer control connection terminal block on EMB2 control option
Table 3.3 Reference Designator Definitions
Installation
Option Panel Operating Instructions
16
MG14I102 - VLT
®
is a registered Danfoss trademark
3
3