AERCO Control System (ACS) User Manual
User manual, Aerco control system (acs)
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MC2: 04/23/13 Page 1 of 144
GF-131
AERCO Control System (ACS)
Installation, Operation, and Maintenance Manual
OMM-0081_0D
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
High Efficiency Innovation
AERCO Control System
(ACS)
USER MANUAL
AERCO Control System (ACS) Front Panel
Revised: 04/23/2013
Used for up to Thirty-two (32)
AERCO Boilers including:
•
Benchmark Series Boilers
•
AERCO Modulex Series Boilers
•
AERCO KC-1000 Series Boilers
Installation, Operation, and Maintenance
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Table of contents
Document Outline
- FOREWARD
- 1. ACS GENERAL INFORMATION
- 1.
- 1.1.
- 1.2.
- 1.3.
- 1.4.
- 1.4.1 Simplified Installation and Set-Up
- 1.4.2 User-Friendly Control System Interface
- 1.4.3 Retention of Menu Option Settings
- 1.4.4 Application Flexibility
- 1.4.5 Sequential or Parallel Operation
- 1.4.6 Accuracy
- 1.4.7 Bumpless Transfer
- 1.4.8 Fault Alarm Surveillance
- 1.4.9 ACS Programming Via RS232 Port.
- 2. ACS INSTALLATION
- 2.
- 2.1 INTRODUCTION
- 2.2 SITE SELECTION AND MOUNTING
- 2.3 SITE SELECTION AND MOUNTING
- 2.4 POWER WIRING
- 2.5 SENSOR INSTALLATION AND WIRING
- 2.6 RS485 (MODBUS) WIRING AT THE ACS
- 2.7 RS485 (MODBUS) WIRING, BIAS, AND TERMINATION AT AERCO BOILERS
- 2.8 SAMPLE RS485 (MODBUS) NETWORK DIAGRAMS
- 2.9 RS485 WIRING AT THE ACS
- 2.10 INTERLOCK WIRING
- 2.11 SETBACK WIRING
- 2.12 RELAY WIRING
- 2.13 4-20 MA WIRING
- 2.14 MOUNTING AND WIRING THE OPTIONAL ACS RELAY BOX
- 2.15 RELAY PANEL INSTALLATION AND WIRING
- 2.16 RELAY PANEL COMPONENTS
- 2.17 RELAY PANEL OPERATION
- 2.18 ACS PROGRAMMING FOR USE WITH THE ACS RELAY PANEL
- 3. OPERATION
- 3.1.
- 3.2.
- 3.3.
- 3.3.1 Menu Processing Procedure
- 3.4 OPERATING MENU
- 3.5 SETUP MENU
- 3.6 RS232 MENU
- 3.7 RS232 MENU
- 3.8 FIELD ADJUST MENU
- 3.9 CONFIGURATION MENU
- 3.9.
- 3.9.1 BLR CNTL SELECT
- 3.9.2 BOILER OP MODE
- 3.9.3 PARALLEL MODE
- 3.9.4 SEQUENTIAL
- 3.9.5 SYS INTLK CONFIG
- 3.9.6 BLR START LEVEL
- 3.9.7 BLR STOP LEVEL
- 3.9.8 MAX POWER INPUT
- 3.9.9 FAIL SAFE MODE
- 3.9.10 LEAD BLR SELECT (Lead Boiler Selection)
- 3.9.11 LAST BLR SELECT (Last Boiler Selection)
- 3.9.12 ROTATE TIME
- 3.9.13 RET SENSOR MODE (Return Sensor Mode)
- 3.9.14 PLANT DT LIMIT (Plant Delta-Temperature Limit)
- 3.9.15 BOILER DELAY
- 3.9.16 DHW OPTION (Domestic Hot Water Option)
- 3.9.17 NUMBER DHW BLRS (Number of Domestic Hot Water Boilers)
- 3.9.18 DHW SIGNAL (Domestic Hot Water Signal)
- 3.9.19 NUM DHW PRIORITY (Number of DHW Priority Boilers)
- 3.9.20 VALVE WAIT STATES
- 3.9.21 SYS RELAY OPTION (System Relay Option)
- 3.10 BOOST TEMP
- 3.11 TUNING MENU
- 3.12 RELAY MENU
- 3.13 CALIBRATION MENU
- 3.14 ACS QUICK-START GUIDE MENU
- 3.14.
- 4. PROGRAMMING ACS OPERATING MODES
- 4.4.
- 5. TROUBLESHOOTING
- APPENDIX A: ACS MENUS
- APPENDIX B: STATUS AND FAULT MESSAGES
- B.1 C-MORE STATUS AND FAULT MESSAGES
- B.2 CONVERSION EQUATIONS FOR TEMPERATURE VARIABLES
- B.3 Deciphering the “FAULT Code” Reading from the BCM (used in Modulex Boilers)
- B.4 BCM (BOILER COMMUNICATION MODULE) FAULT CODES
- B.5 BCM (BURNER MANAGEMENT MODULE) FAULT CODES
- B.6 ACS (AERCO CONTROL SYSTEM) I/O STATUS
- APPENDIX C: RESET SCHEDULE AND OUTDOOR RESET RATIO CHARTS
- APPENDIX D: NTC TEMPERATURE SENSOR RESISTANCE
- APPENDIX E: ACS WIRING DIAGRAM
- APPENDIX F: ACS PARTS AND ACCESSORIES
- APPENDIX G: PROGRAMMING USING RS232 COMMUNICATION
- APPENDIX H: ACS MODBUS ADDRESS ASSIGNMENTS
- APPENDIX I: BOILER START AND STOP LEVELS