MidNite Solar MNROSIE7048RE Owner's Manual
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MidNite Solar MNROSIE7048RE Owner's Manual

Rosie inverter / charger
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MNROSIE7048 MANUAL
Rosie Inverter / Charger Owner's Manual
MNROSIE7048RE - MNROSIE7048M
This entire manual is printed without color but is available for download—with many of the
diagrams available in color—on our website at midnitesolar.com.
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1 0 - 4 3 2 - 1
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Summary of Contents for MidNite Solar MNROSIE7048RE

  • Page 1 MNROSIE7048 MANUAL Rosie Inverter / Charger Owner’s Manual MNROSIE7048RE - MNROSIE7048M This entire manual is printed without color but is available for download—with many of the diagrams available in color—on our website at midnitesolar.com. 1| P a g e 1 0 - 4 3 2 - 1...

  • Page 2: Table Of Contents

    MNROSIE7048 MANUAL Table of Contents Introduction ......................... 3 Safety Instructions & Precautions ..................4 How to KILL Your Batteries ....................8 How an Inverter/Charger Works .................... 9 Wiring Requirements ......................10 DC Wiring and Over-Current Protection ................... 11 AC Wiring and Over-Current Protection ................... 13 Grounding / Arc Fault / Ground Fault ..................

  • Page 3: Introduction

    The Rosie Inverter/Charger is a battery-based, DC-to-AC inverter and AC-to-DC charger for off- grid and mobile systems. MidNite offers two Rosie models: MNROSIE7048RE – a 7000-watt inverter/charger with 60-amp AC transfer relay and 120-amp, multi-stage PFC battery charger. This unit is safety listed to UL1741 and CSA.

  • Page 4: Safety Instructions & Precautions

    IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS THIS MANUAL CONTAINS IMPORTANT SAFETY INSTRUCTIONS FOR THE MIDNITE SOLAR ROSIE INVERTER/CHARGER THAT SHALL BE FOLLOWED DURING INSTALLATION AND OPERATION. If you do not fully understand any of the concepts, terminology, or hazards outlined in these instructions, please refer installation to a qualified dealer, electrician, or installer.
  • Page 5 MNROSIE7048 MANUAL SAFETY PRECAUTIONS • Live power may be present at more than one point since an inverter utilizes both DC (batteries) and AC (utility or generator) power. To reduce risk of electric shock, ensure all DC and AC wiring is disconnected prior to installing or performing maintenance on the inverter.
  • Page 6 MNROSIE7048 MANUAL o Rosie’s Class 2 circuits: CANBUS, Batt Temp Sensor; AUX terminals; WBJr terminal. • Use insulated tools to reduce the chance of electrical shock or accidental short circuits. • Turn off all breakers prior to removing front cover and working on the inside of Rosie. •...
  • Page 7 MNROSIE7048 MANUAL water and soap nearby and thoroughly wash in case battery acid contacts skin, clothing, or eyes. In the event of exposure to the eyes, flood them for at least 15 minutes with running water and seek immediate medical attention. Baking soda neutralizes lead acid battery electrolyte and vinegar neutralizes spilled NiCad and NiFe battery electrolyte;...

  • Page 8: How To Kill Your Batteries

    Add distilled water as needed. Do NOT fill to the bottom of the funnel neck before you equalize. The electrolyte will probably spill out. o Use the MidNite Solar’s MNHYDROMETER to measure the specific gravity. Check with your battery manufacturer for the specific gravity values.

  • Page 9: How An Inverter/Charger Works

    MNROSIE7048 MANUAL middle strings. The only safe way to do this is to wire each string with equal length cables to a common bus bar. Connect inverter cables to the farthest points on the busbars. • Not watching to verify the Absorb or EQ times are set properly, and that the equipment actually charges for that period of time.

  • Page 10: Wiring Requirements

    MNROSIE7048 MANUAL the same time, the inverter automatically closes an internal AC transfer relay to pass the incoming AC power directly to the inverter’s output to continue powering the connected electrical appliances. INVERTER APPLICATIONS Permanent Installations • An inverter can be used for backup power in a permanent location that normally uses utility power, such as a home or office.

  • Page 11: Dc Wiring And Over-Current Protection

    MNROSIE7048 MANUAL • Both AC and DC over-current protection must be provided as part of the installation. o Coordination of conductor sizes and over-current protection shall be done in accordance with the Canadian Electrical Code, Part 1. o NOTE – Breakers protect the wire, not the equipment. •...
  • Page 12 MNROSIE7048 MANUAL • The DC cables must be fine strand, super flexible, such as Cobra cable (or equivalent) and be approved for residential wiring per the NEC (THW for example). • Do not use the inverter’s chassis in place of the battery negative connection for grounding. The inverter requires a reliable return path directly to the battery.

  • Page 13: Ac Wiring And Over-Current Protection

    MNROSIE7048 MANUAL • DC over-current protection is not included with the Rosie and must be provided as part of the inverter installation. Use a 300A DC breaker. AC Wiring • When wiring the AC input and output circuits, we recommend a full system Inverter Bypass Switch, which provides a convenient means to isolate the inverter for battery maintenance and to continuously power AC loads without any re-wiring.
  • Page 14 MNROSIE7048 MANUAL WARNING! Do NOT connect the Rosie’s AC OUT to an external AC power source. CAUTION! • AC wiring must be no smaller than #6 AWG gauge copper wire. • The Rosie’s internal AC transfer relay is rated at 60A. The pass-through current cannot exceed 60A or damage to the relay will occur.

  • Page 15: Grounding / Arc Fault / Ground Fault

    MNROSIE7048 MANUAL • The AC neutral and equipment ground should only be bonded in one location for the entire system. • More grounding information provided on pages 22-25. CAUTION! The Rosie may be used in a positive grounded or negative grounded installation. For a grounded system, bond either Battery Negative to Ground, or bond Battery Positive to Ground (but not both at the same time!!).
  • Page 16 MNROSIE7048 MANUAL boat’s safety ground bus as a safety measure to provide protection against faults, and to provide a path for AC fault currents while the boat is connected to shorepower. Preventing the Risk of Corrosion • The inverter’s AC and DC ground terminals must be connected to the boat’s safety ground to provide an important safety feature.
  • Page 17 MNROSIE7048 MANUAL AC Grounding Connections: • The AC grounding conductor (green) shall be connected to the inverter/charger in a manner so that the AC ground connection will not be disconnected in servicing. This conductor is in addition to and independent of the DC grounding conductor. •...

  • Page 18: Installation

    MNROSIE7048 MANUAL • The MNROSIE7048M has Rosie Inverter Rosie Standby automatic neutral-to- Mode Mode ground switching to specifically work in mobile (i.e., truck/RV/boat) applications. • The MNROSIE7048M uses an internal relay (Figure 1) Figure 1 that automatically connects the AC neutral output terminal to the vehicle/ boat’s ground while inverting (Inverter mode) to provide the neutral-to-ground bond.
  • Page 19 MNROSIE7048 MANUAL • The NEC requires 30” clear on the wall. The Rosie may be located anywhere within this 30”. The NEC also requires 36” free and clear of obstructions in front of the charge controller. The 36” clear area in front of all electrical panels is to provide a space to fall back into in case of electrical shock.

  • Page 20: Mounting

    MNROSIE7048 MANUAL • The Rosie should not be installed in an area that allows dust, fumes, insects, or rodents to enter or block the ventilation openings. • The Rosie weighs 43.5 pounds. The mounting surface and hardware must be capable of supporting at least twice the weight.
  • Page 21 MNROSIE7048 MANUAL External Sensor AC Terminals Terminals DC Equipment Ground Equipment Battery Terminals Ground Figure 3 Figure 4 AUX Wiring: CANBUS, Figure 5 Batt Temp Sensor, WBJr Equipment Figure 6 Ground 21| P a g e 1 0 - 4 3 2 - 1 R E V : -...

  • Page 22: Ac Wiring

    MNROSIE7048 MANUAL AC IN Wiring (Figure 7) 1. Connect #6 AWG wire from AC Source (Grid or Generator) to the AC IN terminal block, L1 and L2. 2. Pass AC IN wires through a 60A 2P AC circuit breaker (UL1077). 3.
  • Page 23 MNROSIE7048 MANUAL • There are two types of grounding: Equipment Grounding and System Grounding. o Equipment Grounding – Grounding for exposed metal parts, like the inverter chassis, solar panel frames, etc. See Figure 8. Reference Figure 8 o System Grounding – The bonding of a current-carrying wire below for grounding to earth ground, such as the two SBJs shown in Figure 8 or system terminology.
  • Page 24 MNROSIE7048 MANUAL o If you have two ground rods - AC goes to one and DC goes to the other - then you HAVE to bond those two ground rods together with a Bonding Conductor (BC). The NEC also dictates the proper size of that BC. •...

  • Page 25: Torque Values

    MNROSIE7048 MANUAL Grounding in Marine Installations (MNROSIE7048M) • DC Equipment Grounding Conductor (EGC-DC) – must be equal in ampacity to the DC positive conductor, which is #3/0 AWG. In certain circumstances, the cable size may be one gauge smaller. Refer to the ABYC Standard for more information. •...

  • Page 26: Battery Temperature Sensor

    MNROSIE7048 MANUAL Battery Temperature Sensor (#2) The Rosie comes with a Battery Temperature Sensor (BTS). This sensor provides the battery’s ambient (exterior battery casing) temperature to the Rosie, which is used to raise or lower the charge voltage setpoints relative to a reference temperature. If the BTS is disconnected or shorted, the Rosie will default to a neutral temperature of 25C and will not temp-comp the charging voltages.

  • Page 27: Whiz Bang Jr

    MNROSIE7048 MANUAL Whiz Bang Jr. (#6) The Whiz Bang Jr (WBJr) is a current-sensing device that mounts to the side of a standard 500A/50mV shunt. The WBJr measures the current across the shunt into (and out of) the battery bank and reports this current flow to the Rosie to be used in calculating an accurate State of Charge (SOC) percentage and to monitor for Ending Amps, which is a targeted setpoint to terminate the Absorb charge cycle.
  • Page 28 MNROSIE7048 MANUAL o Turn off (open) the battery bank DC circuit breaker. Step #1 – Battery DC • Voltmeter – Measure for battery bank voltage (40-65VDC) between the Rosie’s battery breaker (at bottom of breaker) and the battery bank negative terminal. o Battery bank voltage present? ▪...

  • Page 29: Rosie Programming

    MNROSIE7048 MANUAL • Voltmeter – Measure for 120VAC between AC L1 OUT and AC OUT Neutral terminals. o 120VAC present? ▪ Yes – Good ▪ No – Check Rosie programming. • Voltmeter – Measure for 120VAC between AC L2 OUT and AC OUT Neutral terminals. o 120VAC present? ▪...
  • Page 30 MNROSIE7048 MANUAL VOICE • Levels of Chattiness: Figure 14 o Off - No voice. o Rick Mode – Not used with the Rosie. o Errors- Any errors such as "Over voltage," “Battery High Temp,” etc. o Warnings - All errors and warnings. o Verbose - Menu help messages the first time the menus are accessed.
  • Page 31 MNROSIE7048 MANUAL • Ending Amps – Amp setpoint at which the batts are fully charged. Commonly 1 – 3% of the bank’s (20-hr) Ah rating. The Rosie will go to Float when the Absorb Timer counts down to 0 or when Ending Amps is reached, whichever occurs first. Using Ending Amps is a better way to charge the batt bank properly and fully.
  • Page 32 MNROSIE7048 MANUAL • LBCO CON – Battery voltage setpoint for the Rosie to invert. • LBCO DISC – Low battery voltage at which the Rosie stops inverting • LBCO DISC Time – Minutes to count-down once LBCO DISC is reached before the Rosie stops inverting.
  • Page 33 MNROSIE7048 MANUAL ▪ Low / High Current Warning – Set to alarm at selected low / high current limits. Set Name – Assign custom name to Rosie Temperatures – Shows FET temperatures, control board temp, battery temp, and temperature compensated target. Faults &...
  • Page 34 MNROSIE7048 MANUAL o Exercise INT – Exercise means to run the genny on a schedule, to cycle it occasionally for testing, to cycle the engine oil, etc. The interval will be the days between the exercise cycles. o Exercise Start – Commence the Exercise program.
  • Page 35 MNROSIE7048 MANUAL USER / TECH MENU • Knob Sensitivity – Adjusts sensitivity of MNGP2 rotary knob. • Firmware – Shows latest firmware version. • Firmware Statistics • Last Fault – Shows last fault to impact Rosie or other MNGP2 connected devices. •...

  • Page 36: Rosie Mngp2 Menu Maps

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  • Page 43: Battery Charging

    MNROSIE7048 MANUAL BATTERY CHARGING Bulk This charging stage is called the Constant Current Mode, and it means the Rosie will send to the batteries as much current as is programmed (Max AC Charge Amps) until the battery voltage rises to the Absorb Voltage setpoint. Absorb The Rosie will maintain the Absorb voltage setpoint until the batteries are charged.
  • Page 44 MNROSIE7048 MANUAL Float The Float cycle follows the Absorb cycle. Think of Float as a trickle charger to keep the batteries full and topped off all day. The Rosie will hold the batteries at the Float voltage setpoint for the amount of programmed Float Time. Rebulk Forces the Rosie back into Bulk mode if the battery voltage is less than the REBULK setting for 60 seconds.

  • Page 45: Aux Modes

    MNROSIE7048 MANUAL 2. Reference temperature for the battery (Default is 25C). 3. The maximum voltage to ever compensate to. No temp comp or improperly programmed temp-comp may be harmful to your battery bank. In the winter, temp-comp will raise the charging voltage. This elevated voltage may cause an inverter to alarm on a high battery voltage condition.

  • Page 46: Firmware Update

    FET Temp XX F/C XX F/C FIRMWARE UPDATE 1. Download to your cell phone the MNGP2 Rosie firmware (FW) from the MidNite Solar website using this link … https://www.midnitesolar.com/firmwareIndex.php 2. Install the FW on your phone. 3. Energize the Rosie by closing the battery breaker.
  • Page 47 MNROSIE7048 MANUAL Tap Here Figure 16 Figure 17 Figure 15 Figure 18 Figure 19 47| P a g e 1 0 - 4 3 2 - 1 R E V : -...

  • Page 48: Technical Drawings And Specifications (Csa Table 65.1)

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  • Page 54 MNROSIE7048 MANUAL CSA TABLE 65.1 Unit Ratings (Per UL1741, Table 65.1) Rating Type Standalone (SA) SA w CC Max input voltage (DC) Range of input operating voltage (DC) 40 to 65VDC Max input current (AC or DC) 210ADC Max input short circuit current 210ADC 60AAC Output power factor rating...
  • Page 55 MNROSIE7048 MANUAL TECHNICAL SPECIFICATIONS - DECAL SET 55| P a g e 1 0 - 4 3 2 - 1 R E V : -...

  • Page 56: Warranty

    Those components are warranted by the original manufacturer. At its option, MidNite Solar will repair or replace at no charge any MidNite product that proves to be defective within such warranty period. This warranty shall not apply if the MidNite Solar product has been damaged by unreasonable use, accident, negligence, service, or modification by anyone other than MidNite Solar, or by any other causes unrelated to materials and workmanship.
  • Page 57 MNROSIE7048 MANUAL MidNite Solar, Inc. reserves the right to revise this document and to periodically make changes to the content hereof without obligation or organization of such revisions or changes unless required to do so by prior arrangement. DISCLAIMER Unless specifically agreed to in writing, MidNite Solar Inc.: (a) Makes no warranty as to the accuracy, sufficiency, or suitability of any technical or other information provided in its manuals or other documentation;...

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