Johnson Controls LSWU Startup Guide

JOHNSON CONTROLS
21
SECTION 3 - PRE START-UP CHECKLIST
FORM 145.05-SU7
ISSUE DATE: 10/31/2019
VFD SUPPLY FAN (WHEN INSTALLED)
1. Verify that all the VFD parameters are set accord-
ing to the conguration parameters.
2. Put the VFD in AUTO mode.
TABLE 1 - ABB VFD CONFIGURATION PARAMETERS FOR L-SERIES WCSC
PARAMETER # DESCRIPTION DEFAULT VALUE NOTES
9901 Language English
9902 Application Macro HVAC
9905 Motor Nom Volt Motor Specic
Motor Nameplate Volts
200V Units set to 230V
230V Units set to 230V
460V Units set to 460V
575V Units set to 575V
9906 Motor Nom Curr Motor Specic Motor Nameplate FLA
9907 Motor Nom Freq 60 Hz
9908 Motor Nom Speed Motor Specic Motor Nameplate RPM
9909 Motor Nom Power Motor Specic Motor Nameplate HP
1001 Ext1 Commands DI1 Sets which Digital Input Starts VFD
1003 Direction Forward
1101 Keypad Ref Sel Ref1 (Hz/rpm)
Sets keypad as speed reference when
VFD is in HAND mode
1103 Ref1 Select AI1
Sets which Analog Input is used for speed
reference when VFD is in AUTO mode
1104 Ref1 Min 20 Hz VFD speed when AI1 is at minimum (0 VDC)
1105 Ref1 Max 60 Hz VFD speed when AI1 is at maximum (10 VDC)
1301 Minimum AI1 0% Sets min input voltage for AI1 (2 VDC)
1302 Maximum AI1 100% Sets max input voltage for AI1 (10 VDC)
1501 AO1 Content Sel Output Freq Sets what the output signal should indicate
1502 AO1 Content Min 0 Hz Sets output to 4 mA when VFD Freq is at 0 Hz
1503 AO1 Content Max 60 Hz Sets output to 20 mA when VFD Freq is at 60 Hz
1504 Minimum AO1 4 mA Sets output minimum
1505 Maximum AO1 20 mA Sets output maximum
2003 Max Current 1.1*In Sets maximum VFD output current
2007 Minimum Frequency 20 Hz
2008 Maximum Frequency 60 Hz
2202 Acceler Time 1 30 sec Sets Acceleration Rate
2203 Deceler Time 1 30 sec Sets Deceleration Rate

Johnson Controls LSWU Specifications

General

Brand	Johnson Controls
Model	LSWU
Category	Chiller
Language	English