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NetSure ACU+ (Advanced Control Unit Plus)
User Instructions, UM1M820BNA (Issue AH, March 4, 2013)
Specification Number: 1M820BNA, 1M820DNA
Model Number: M820B, M820D
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) TABLE OF CONTENTS Chapter 1. Introduction .......................................................................................................... 1 1.1 Preface ......................................................................................................................................................... 1 1.2 Overview............................................
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) 2.5.12 Assigning Relays to Alarms ............................................................................................................ 25 2.5.13 Changing the Names of Items Displayed in the LCD and Web-Interface Menus .......................... 25 2.5.14 Viewing Alarms .................................................................................................
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) 3.2 Menus ......................................................................................................................................................... 80 3.2.1 Adjustment Range Restrictions ...................................................................................................... 81 3.3 Description of Local Display (and Web Interface) Menus Line Ite
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Chapter 5. Accessing the Controller via a Network Management System (NMS) ......... 159 5.1 General ..................................................................................................................................................... 159 5.2 NMS Supported by SNMP Agent .........................................................................................
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) CHAPTER 1. INTRODUCTION 1.1 Preface These instructions describe the complete functionality of the ACU+ Controller. Some functionality is dependent on hardware connected to the ACU+ Controller. Your system may not utilize all the functionality described. Refer also to the ACU+ Configuration Drawing (C-drawing) furnished with your system for a list of factory default sett
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Figure 1 illustrates the various methods to interface with the ACU+ Controller remotely. Figure 1 ACU+ Remote Communications 1.3 Function Descriptions 1.3.1 Rectifier Control Rectifiers are automatically controlled by the ACU+ Controller. The ACU+ Controller provides an Energy Optimization Mode function. Energy Optimization permits an installation to only operate rec
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) 1.3.3 System Components Monitoring and System Alarms Generation The ACU+ Controller monitors the components comprising the system (such as the rectifiers, converters, and supervisory modules) and generates alarms if a fault condition occurs. The ACU+ Controller also maintains an alarm history log. The available system alarms are programmed with an Alarm Severity Level. Ea
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) 1.3.5 Battery Management General Battery Management The ACU+ Controller provides the following battery management functions (except Lithium Ion Battery Configuration). Battery Charge Temperature Compensation Battery Equalize Charge Battery Charge Current Limit High and Low Battery Temperature Alarms Battery Thermal Runaway Management (BTRM) Feature (Reduces Vol
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) Battery Charge Temperature Compensation The ACU+ Controller can be programmed to automatically increase or decrease system output voltage to maintain battery float current as battery temperature decreases or increases, respectively. Battery life can be extended when an optimum charge voltage to the battery with respect to temperature is maintained. Temperature is monitore
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Battery Equalize Charge and Battery Charge Current Limit The ACU+ Controller can increase system output voltage for equalizing the charge on all battery cells of a conventional flooded cell battery, or for recharging the battery following a commercial power failure. The charging function can be initiated cyclically (scheduled), automatically, or manually. Refer to the ba
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) Battery Discharge Test and Battery Test Logs The ACU+ Controller can perform battery discharge tests to check the condition of the battery. There are (3) types of battery discharge tests. Short Time Test Time Test Stable Current Test A User can manually start a battery discharge test or program the ACU+ Controller to automatically start battery discharge tests at sc
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Battery LVD (Low Voltage Disconnect) To prevent serious damage to the batteries during a commercial AC power failure, the batteries can be disconnected by voltage or time control. The batteries are reconnected automatically when commercial AC power is restored and a predetermined DC voltage level is reached. Voltage Controlled Disconnection: When the set voltage level
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) 1.3.7 Power Split Feature The Power Split feature allows you to connect the power system controlled via the ACU+ to an existing DC power system instead of extending or completely replacing the existing DC power system. The power system controlled via the ACU+ functions as a slave system to share load (split output) with the existing system (master system) that requires ex
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) 1.3.9 PLC (Programmable Logic Controller) Function The PLC function allows a User to create "control program lines" by combining equipment analog signals, parameters, and alarms in a sequence that controls equipment and/or operates relays. Control program lines are created using the WEB Interface. See “4.8.6. PLC Sub-Menu”. Available logical components are: Logical Comp
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) Fixed Daily Time based operation is intended to be used with a combination of AC powered active cooling (air conditioners) and DC powered cooling (heat exchangers, etc). The cycle period is synchronized to the 24hr day-night cycle. It makes optimum use of the different temperature conditions during the day and the night in order to facilitate Hybrid fuel saving operation.
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Figure 6 Charge Voltage Equalize Charge: The battery will be recharged at equalize voltage. This is the voltage set in the initial phase of battery recharge. See Figure 6. As the voltage limit is reached, the charge current is gradually reduced – effect known as current tail. When the current tail falls below a set of threshold levels, additional equalize charge time
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User Instructions UM1M820BNA Spec No. 1M820BNA (Model M820B) Issue AH, March 4, 2013 Spec No. 1M820DNA (Model M820D) Early Termination of the Discharge Periods During discharge, over temperature and under voltage conditions will interrupt the discharge and change the operation to charge – Diesel Generator ON. Over Temperature: The diesel generator will start and run for a period before it is stopped again. The run time is User selectable in the range 30 to 120 minutes, default setting i
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UM1M820BNA User Instructions Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B) Spec No. 1M820DNA (Model M820D) Relay 4: System Alarms Logic alarm generated from: load fuse alarms, high ambient temperature, ambient temp sensor fail, smoke detected, and water detection. Relay 5: Generator Run At High Temp Output to intelligent cooling devices linked to AC supply (DG run). Relay 6: Intruder Alarm Alarm triggered by dry contact door/motion sensor. Relay 7: Diesel 1 in Operation
