Solar Geyser System

The APEX SGS is a solar hot water controller designed to optimize water heating by prioritizing solar energy over grid usage. Intelligently heating water in a standard electric hot water cylinder, providing historical and real-time information on status and performance.

Apex SGS Solar Geyser System

Intelligent Solar Water Heating

The APEX SGS is the heart of a water heating system, making intelligent decisions to ensure minimal grid power usage. When both grid and solar power sources are available, the system favors solar as its power source, ensuring maximum savings.

Works On-grid and Off-grid

Seamless operation regardless of grid availability

Web & Mobile App Monitoring

Complete system visibility via web browser and mobile apps

Fully Customizable Control

Configurable temperature settings for optimal performance

Immune to Load-shedding

Continues heating with solar power during outages

Key Highlights
2.5kW
Max Solar Array
4.6kW
Max Element
±2°C
Temp Accuracy
2 Years
Warranty

Smart Features

Advanced functionality designed for optimal solar water heating performance

Solar Priority

Intelligently prioritizes solar energy over grid usage for maximum savings

Remote Monitoring

Monitor your system via fleet.apexsolar.tech web platform

RGB LED Indicators

Visual status indicators for Grid, Solar, Temp, and System Status

Configurable Setpoints

Customizable Grid, Solar, and Boost temperature settings

Anti-legionella Mode

Automatic purge mode for water safety and health compliance

Mobile App Control

Full control via Android, iOS, and desktop web applications

Web Application Monitoring

Monitor your SGS system remotely via our comprehensive web application monitoring platform. Access real-time data, and system status.

Real-time system monitoring
Settings Adjustments
Mobile and desktop access
APEX Monitoring App

Technical Specifications

Comprehensive technical details and specifications for the APEX SGS

Electrical
AC Input230V AC, 50Hz, up to 21A
AC Output230V AC, 50Hz, up to 21A
Solar Mode Output40-230V RMS Modulated DC, max 15A
Supported Elements2000W - 4600W, 10Ω - 27Ω
Solar Input125V-230V DC, max 15A, up to 2.5kWp array
Temperature SensorK-Type, 10-85°C, ±2°C, lengths: 10m-30m
Communications
WirelessWi-Fi 802.11 b/g/n
Mechanical
Dimensions210 x 225 x 84 mm
CoolingNatural convection
MountingVertical, indoor use only
Safety & Compliance
Over-temperatureShutdown at 75°C
Safety FeaturesResidual current detection, relay-based grid feedback
CertificationsIEC 60950-1, IEC 60730, ICASA RF, NRCS RCC 2112093

Ordering Information

Available configurations and temperature probe options

FG-ED-00

Apex SGS controller (excl. probe)

H20P100

Apex SGS controller with 20m probe

FG-TP-AA

Temperature probe 10m

FG-TP-AB

Temperature probe 15m

FG-TP-AC

Temperature probe 20m

FG-TP-AD

Temperature probe 30m

Why Choose APEX SGS?

Reduced Energy Use

Maximize solar energy utilization and minimize grid consumption for significant cost savings

Maintenance Free

Set-and-forget operation with intelligent control algorithms and robust hardware design