ICE223W Solar Controller for Solar Thermal Hot Water Heating

Prewired & Preprogrammed, Simply Plug and Play

The ICE223W is an advanced controller for solar thermal, hydronic heating, and boiler systems. Featuring a large LCD display, versatile input/output options, and mobile app control, it offers precise control and monitoring for efficient energy management.

Key Features

• Large LCD display for easy operation
• 6 relay outputs (3 electromagnetic, 3 semiconductor, 1 low-voltage for boiler on/off)
• 7 sensor inputs for temperature and flow monitoring
• 1 input for Grundfos Direct Sensor™ (VFS)
• 1 input for rotary blade electronic flow meter (FRT)
• 3 PWM variable frequency outputs (switchable to 0-10V) for high-efficiency pump control
• 7 pre-configured system modes for flexible applications
• RS485 communication interface for system integration
• Mobile app control (iOS/Android) via WiFi module
• Robust ABS plastic housing with IP41 protection

Technical Specifications

Inputs:

• 2x PT1000 temperature sensors
• 5x NTC10K (B=3950) temperature sensors
• 1x analogue input for Grundfos Direct Sensor™ (VFS)
• 1x input for rotary blade electronic flow meter (FRT)

Outputs:

• 3x electromagnetic relays (max. current 1A)
• 3x semiconductor relays (max. current 1A)
• 1x low-voltage relay for boiler on/off control
• 3x PWM variable frequency outputs (switchable to 0-10V)

Power Supply: 100–240V AC, 50/60 Hz
Rated Impulse Voltage: 2.5 kV
Data Storage: TF (Micro SD)
Housing: ABS plastic, wall-mounted
Operation: 5 push keys on front cover
Protection Rating: IP41 (indoor use)
Ambient Temperature: 0–40°C
Dimensions: 208 x 158 x 43 mm

Main Functions

Heating and Pump Control:

• Timed Backup Heating (THET)
• Circuit Pump Control (CIRC): Temperature-based, time-scheduled (3 time slots), or flow-switch activated
• Tank Heating Control (LOAD/LOAD2)
• Collector Function (COL/COL2)
• Pump Control Mode (PUMP)
• Energy Exchange Between Tanks (HEATX)
• Heating Return Pipe Preheating (RPH)
• Solid Fuel Boiler Function (SFB)
• Thermostat Function (AH)

System Management:

• System Selection (SYS): Choose from 7 pre-configured modes
• Tank Priority Logic (LLOGI)
• Cooling Function (COOL)
• Heat Quantity Measurement (OHQM)
• Flow Meter Selection and Flow Rate Monitoring (FS)
• Unit Switching (UNIT)

Connectivity and Configuration:

• WiFi Module Configuration (WLAN)
• RS485 Communication Interface
• Mobile App Control for home automation

Safety and Convenience:

• Block Protection (BLPR)
• Thermal Disinfection (OTDI)
• Parallel Relay (OPARR)
• Beeper Fault Warning (BEEP)
• Trouble Checking and Protection
• Manual Mode (MAN)
• Holiday Mode
• Screen Protection
• Reset Function (RST)

Installation and Compatibility

• Wall-mounted design for easy installation
• Suitable for solar thermal, hydronic heating, and boiler systems

Additional Information

• Data logging via TF (Micro SD) card
• Optional WiFi module for remote control
• Smart network controller