RAM DBS II User Manual

Name: RAM DBS II
Brand: RAM
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48 pages

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RAM DBS II

Refrigeration Solid State Starter

Typical Motor Connections

3 Wire Configuration

FIGURE 10

12 Lead

Parallel Connection

12 Lead

Series Connection

(Dual Voltage)

Typical

6 Lead Motor

Appendix B

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Table of Contents2
Conventions4
Disclaimers5
Handling and Storage6
Description7
Overview7
Standard Features7
System Parameters8
Control Modes8
Operating States8
LED Annunciation9
Electronic Motor Overload Protection and Monitoring9
Trip Conditions10
Alarm Condition10
Specifications11
HP Ratings11
Short Circuit Capacity Ratings11
DBS Specifications12
Terminal Data (Line and Load)13
Table 1 Table13
Table 3 Table13
Table 5 Table13
Table 413
Dimensional Data for Standard Enclosures14
Table 8 Table14
Figure 1 Figure14
Panel Layout15
RECEIVING and INSTALLATION16
Receiving16
Mounting and Cleaning16
Environment16
Rating Factor17
Wiring17
Incoming Power17
Motor Connection18
Control18
Grounding18
Field -Connected Relay Outputs19
Communication Ports19
Power Factor Correction Capacitors19
Lightning Arrestor19
Circuit Board Connections20
Figure 3 Figure20
Setup Instructions21
Inspection21
Setup Switches21
Motor FLA Switch (SW1)21
Current Step Switch (SW2)21
Ramp/Bypass Time Switch (SW3)22
Figure 5 Figure22
Figure 7 Figure22
Reset Pushbutton (SW5)23
Starter Size DIP Switch (SW6)23
DBS Control Board24
FLA Setpoint Tables25
Table 10 Table25
Start-Up Instructions26
Preliminary Inspection26
Start-Up27
Power-Up27
Starting27
Re-Adjustments27
Troubleshooting28
Start-Up Problems28
Table 12 Table28
Trip Conditions29
Trip Conditions30
Alarm Conditions31
Table 14 Table31
Dbs Control/Display Unit32
Description32
Operation32
Acknowledging Trips and Alarms33
Editing Set Points33
Confirming System Setup33
System Override Functions33
Dbs Control/Display Unit Menu Tables34
Dbs Log37
Maintenance38
Replacement Parts41
Starter Size Dipswitch Positions43
Typical Motor Connections44
SCR Test Procedure45
Glossary46

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RAM DBS II Specifications

General

Brand	RAM
Model	DBS II
Category	Controller
Language	English

RAM DBS II User Manual

Table of Contents

Questions and Answers:

RAM DBS II Specifications