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854-3906
Load
6.1 A
48.7 V
29 5 W
0.0 A
-6.1 A
0 W
E T R :
-29 5 W
29.1
Ba tte ry
Disc ha rg e
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Centurion II Power System
Product Compliance
RoHS
Copyright © NewMar 2021 All rights reserved.
Manual Version 1.0
Release Date: 24 May 2022
Disclaimer: NewMar reserves the right to make changes to the information within this document without notice
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DC Power System
Installation / Operation Manual
C2RS (-48VDC and +24VDC)
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NEW MAR
RM2048HE
2.0kW 48V D C
Model:
POWERING THE NETWORK
www.poweringthenetwork.com | 800.854.3906
Costa Mesa, CA
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Battery
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NEW MAR
RM2048HE
2.0kW 48V D C
M-C2RS Rev A as of 052422
NEW MAR
RM2048HE
2.0kW 48V D C
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Table of Contents
Related Manuals for NewMar Centurion II
Summary of Contents for NewMar Centurion II
- Page 1 Product Compliance RoHS Copyright © NewMar 2021 All rights reserved. Manual Version 1.0 Release Date: 24 May 2022 Disclaimer: NewMar reserves the right to make changes to the information within this document without notice M-C2RS Rev A as of 052422...
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Page 2: Table Of Contents
Appendix 2 RECTIFIER INPUT FUSE CURVES Appendix 3 INSTALLATION OF AC Junction Box Appendix 4 TROUBLESHOOTING Appendix 5 Field Replacement of Load Circuit Breakers Appendix 6 System Wiring Diagrams Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 3: Admonishments
The equipment is intended only for use in a restricted access area. The equipment is not suitable for use in locations where children are likely to be present. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 4: Receiving Instructions
NOTE: Save all the shipping materials for the inspector to see. After the inspection has been made, if damage has been found, contact Newmar. We will determine if the equipment should be returned to our plant for repair or if some other method would be more expeditious. -
Page 5: System Overview
Centurion II Model Depth (Total) 350mm Width (Total) 483mm (19” mount) Height 88.9mm (2U) Weight without rectifiers 8.4kg Weight with max. rectifiers 13.2kg Table 1 Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 6: Alarms And Status Indicators
EM4x Features The EM4x microcontroller-based DC system energy manager provides the control and monitoring functions for all Newmar Energy’s power systems. With an appropriate communications connection third party lithium battery can also be managed. The EM4x monitors all power system conditions including DC voltage, rectifier current, battery current, battery temperature, distribution failure and battery pack status. -
Page 7: Rectifier Modules
WARNING - All upstream AC, Load and Battery breakers must be switched OFF prior to installation. The system must be completely de-powered. All circuit breakers in a Newmar power system must be in their OFF position prior to installation. WARNING - Use extreme care when fitting batteries & their connections. Remove all conductive materials from yourself such as watches, jewelry, and rings prior to Newmar •... -
Page 8: Unpacking & Installing In Frame
A 5/32" (4mm) wide slotted screwdriver has been provided to allow ease of accessing some of the smaller recessed DIN style terminal block screws. Note: Do not fit rectifier modules until the Centurion II DC power system has been installed into the rack. 6.2. -
Page 9: Upstream Over-Current Protection
The fuse used in the RM2048/24, C2R-2000, and C2RX- 2048 rectifiers is a slow-blow 15A fuse. The tripping curve for this is shown in Appendix 4 at the rear of this manual. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 10: Dc Cabling
6.5.1. Terminal Block Labeling Note: Your Centurion II Load & Battery Terminal Blocks maybe labeled differently than shown in photos on the following page. Some Centurion II shelves’ terminal blocks are identified by Numbers which are the Live or Hot terminals and the words Batt. - Page 11 Battery Battery Live Common Fig 2.1 Battery & DC Output Terminals (-ve Earth System, +24V) Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com...
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Page 12: Alarm/Ancillary Cabling
There are 3 access levels for the Energy Manager Web UI: enaguest : can only view status of system enabasic : reduced privilege, can view settings and system status Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 13: Access Levels
The energy manager log in page appears. Enter the username and password. See 7.1 Access Levels. 7.3. USB Connection Figure 17: 1U EM4x-01 Front Panel micro-USB Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 14: Energy Manager & Io Pcb Alarm Output Configuration
Refer to the Relay/Output page Configure Relay section of the Web UI to understand the how the Alarm Configuration is mapped to the EM4x LEDs. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 15: Em4X Main Pcb Alarm Mappings
Table 2 lists alarm assignment for the EM4x controller as matches the relay outputs shown in Figure Figure 18: EM4x Relay Outputs Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 16: Em4X Main Pcb Digital Input Alarm Mappings
EM4x software. Please refer to the EM4x manual for detailed information. The inputs are normally activated by connecting system positive (usually system common) to the input. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 17: Circuit Breaker Fail Monitoring
(i.e., until the DC bus voltage is re-established). LVD adjustments/settings are all made in the supervisory module. Load Fuse Fail PCB Current Shunt System Live Battery Bu s L VD Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 18: Maintenance
AINTENANCE As Newmar power systems are state of the art electronic systems, little routine maintenance is required. 9.1. System • During normal operation the cable entries to the MCBs may loosen over time due to movement in the cable strands. To avoid damage to the MCB’s and cable entries due to heat build-up and arching, it is recommended that the retaining torque is periodically checked at least annually. -
Page 19: Trouble-Shooting And Servicing
: Any values shown below are indicative only. If the values in your system differ from those shown here, write in the values relevant to your system. Refer to the EM4x energy manager manual for more details. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... - Page 20 EM4x Web UI page Battery>Battery Settings Check/Set Float Voltage Consult battery manufacturer’s data for proper setting. The Float voltage is for 25°C reference temperature in NewMar systems. EM4x Web UI page: Control Example: Site Setting: / ...
- Page 21 A larger shunt requires a larger discharge threshold. EM4x Web UI page: Charge Example: Site Settings: / Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com...
- Page 22 Ensure sufficient rectifier capacity is available to cover battery recharge and load requirements. Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com...
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Page 23: Dc System Lead Acid Battery Commissioning Checklist
Adjust the supply/float voltage to 46.9V & observe the “Low Load” alarm. High Load Volts (urgent) 57.6V / High Float Volts (non-urgent) 55.6V / Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... - Page 24 “settle”, i.e., you may observe a brief excursion of the battery recharge current beyond the BCL setting BCL functions / Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com...
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Page 25: Systems With Lithium Batteries
Refer to the EM4x energy manager manual for more details. DC System Lithium Battery Commissioning Checklist Site Name: Date: Check the Battery Type / Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 26: Appendix 1 Ac Input Transient Protection
Consult the battery manufacturer’s data for the proper setting. Note that the float voltage directly impacts the state of health of batteries after multiple cycles. The consequences of the float voltage setting must be understood. The Float voltage is for 25°C reference temperature in NewMar systems. EM4x Web UI page: Control Example: Site Setting: ... - Page 27 Some of the Newmar Power System models are provided with Type 2 Surge Protection Devices (SPDs) (as defined by IEC 61643-11). These devices are rated for repeated strikes of 20kA (8/20μs waveform as shown above), and single shot protection of 40kA.
- Page 28 Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com...
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Page 29: Appendix 2 Rectifier Input Fuse Curves
2 – R PPENDIX ECTIFIER NPUT URVES RM2048/24 Input Fuse... -
Page 30: Appendix 3 Installation Of Ac Junction Box
3. Loosen cable clamp screws and route AC cables though cable clamps. Connect AC cables to AC input terminal block. (See Centurion II Input wiring options (M-C2ACOPT) drawings for wiring options) 4. Tighten cable clamp screws and confirm the cables are firmly secured. -
Page 31: Appendix 4 Troubleshooting
A-L2 to Ground = 208 or 230 volts, B-L2 to Ground = 208 or 230 volts, C-L2 to Ground = 208 or 230 volts Newmar • 1580 Sunflower Ave, Suite 100, Costa Mesa, CA 92626 Phone: 714-751-0488 • E-mail: techservice@Newmarpower.com... -
Page 32: Appendix 5 Field Replacement Of Load Circuit Breakers
7. Re-install the toggle guard and top of the unit and reapply power. Note: It is normal to measure output voltage on a Centurion II load circuit breaker when its toggle handle is in the OFF position. The Centurion II circuit breaker alarm circuit produces a very low current, high impedance signal that can be detected using a high impedance digital multi-meter (DMM). -
Page 33: Appendix 6 System Wiring Diagrams
RM3048HE RM3048HE Disc ha rg e 3.0kW 48 V D C 3.0kW 48 V D C 3.0kW 48 V D C Centurion II Power System, -48 (+Ve earth) System Ratings: Nominal Output Voltage: -48VDC Max. Output Current (RM2048HE): 125A/-48, 111A/-54V... - Page 34 RM3048HE RM3048HE Disc ha rg e 3.0kW 48 V D C 3.0kW 48 V D C 3.0kW 48 V D C Centurion II Power System, +24 (-Ve earth) System Ratings: Nominal Output Voltage: +24VDC Max. Output Current (RM2048HE): 125A/+48, 27V...