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6. DUAL BATTERY CHARGING

The GP-RVC-30-MPPT has two battery outputs: BAT1 and BAT2. The solar controller will prioritize BAT1 at all times

to ensure it is always charged as much as possible. After BAT1 has completed absorption charging excess power will

be used to charge BAT2. The intention here is to maintain the house battery on an RV to be the highest state of charge

possible and then top up the starter battery if needed.

The intended wiring for a motorized RV is shown below.

The detailed charging prioritization is shown in the flowchart below.

Содержание GP-RVC-MPPT-30

Страница 1: ...lar Controller User Manual GP RVC 30 MPPT 2020 Go Power Worldwide Technical Support and Product Information gpelectric com Go Power 201 710 Redbrick Street Victoria BC V8T 5J3 Tel 1 866 247 6527 MAN_G...

Страница 2: ...Bank Information size install date battery type Product Packaging Please safely store the packing the product was delivered in or recycle the packaging components as outlined below LDPE Low Density Po...

Страница 3: ...SAFETY 4 2 INTRODUCTION 5 3 APPERANCE 6 4 MAXIMUM POWER POINT TECHNOLOGY 7 5 CHARGING STAGES 9 6 DUAL BATTERY CHARGING 11 7 PRODUCT DIMENSIONS 12 8 SPECIFICATIONS 13 9 LED INDICATORS 14 10 INSTALLATI...

Страница 4: ...ent possible fire caused by connections that have vibrated loose Ensure all connections are tight and secure Loose connections may generate sparks and heat Be sure to check connections one week after...

Страница 5: ...e LCD remote can 2 2 FEATURES Advanced multi peak tracking technology When the solar panel is shadowed or part of the panel fails resulting in multiple peaks on the I V curve the controller is still a...

Страница 6: ...BAT2 14 Connection Terminals PV 7 LED Indicator BAT1 15 Port for external temperature sensor 8 LED Indicator PV 16 Canbus Communication Port 9 Connection Terminals BAT2 17 RS485 Communication Port 10...

Страница 7: ...l PWM charger which always runs the solar array at a voltage close to the battery voltage Due to differences in ambient temperature and light conditions the maximum power point often changes The MPPT...

Страница 8: ...there can also be multiple peaks in the P V curve that can confuse an MPPT algorithm Shown in the diagram below is a series string of solar panels A corresponding graph below shows lower maximum power...

Страница 9: ...charge the battery When the battery voltage reaches the pre set value Stage 2 charge will start STAGE 2 ABSORPTION When the battery voltage reaches the absorption voltage the controller will perform c...

Страница 10: ...ttery electrolyte By default this happens every 30 days for flooded batteries RECHARGE After the battery is completely charged the charging cycle completes and the battery is allowed to slowly dischar...

Страница 11: ...arged as much as possible After BAT1 has completed absorption charging excess power will be used to charge BAT2 The intention here is to maintain the house battery on an RV to be the highest state of...

Страница 12: ...page 12 gpelectric com 7 PRODUCT DIMENSIONS...

Страница 13: ...oad Loss 10mA Grounding Negative Operating Temperature 35 to 45 C Storage Temperature 35 to 75 C Humidity 95 N C Battery Type Lead Acid AGM GEL Flooded LiFePO4 Max Wire Gauge 8 AWG Dimensions H x W x...

Страница 14: ...Day time Single Flash No PV input Steady On MPPT charging Fast Flash Absorption or Equalize Slow Flash Float Charging 9 3 BATTERY INDICATOR 2 3 LED PATTERN STATUS Single Flash No Battery Fast Flash B...

Страница 15: ...controller for the natural convection to occur effectively Locate the controller as close to the battery as possible but not directly above the battery to prevent potential damage due to gassing of t...

Страница 16: ...ways be used Use of a positive and or negative distribution bus that is properly sized is recommended between the controller and battery do not stack wires on the battery terminals Warning Danger Elec...

Страница 17: ...ce of the solar controller on the RV C network can be configured using the SET button and LEDs Up to 5 unique instances are supported To change the instance follow these steps 1 Hold the SET button do...

Страница 18: ...2020 Go Power Worldwide Technical Support and Product Information gpelectric com Go Power 201 710 Redbrick Street Victoria BC V8T 5J3 Tel 1 866 247 6527 MAN_GP RVC 30 MPPT_RevA...