Solar & system controllers

DeltaSol<sup>®</sup> MX Plus System controller

DeltaSol^® MX Plus System controller

Availability expected as of quarter 4/2024
The DeltaSol^® MX Plus combines the functional range of the DeltaSol^® MX with an integrated Web server. Configuration, function control and access to VBus.net can be carried out easily and conveniently on any mobile device via a Web interface. Interfaces such as LAN and Modbus RTU (optional) as well as WLAN functionality and a WLAN access point offer many connectivity options.

System controller for solar and heating systems, incl. SD card

Article no.: 115 993 03 | Price bracket A | Price on request

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15 relay outputs and 15 inputs for Pt1000, Pt500 or KTY temperature sensors
Up to 5 extension modules via VBus^® (45 sensors and 40 relays in total)
Inputs for analogue and digital Grundfos Direct Sensors™ as well as for FRH and FRHd humidity sensors
Integrated control of up to 4 high-efficiency pumps via PWM. outputs
Cooling over the heating circuit with condensation detection
Dew point calculation by means of the FRH(d) humidity sensor to avoid condensation
Remote access to the heating circuits via the Web interface, room control unit(s) or the VBus^®Touch HC App
Integrated Web server for configuration and function control
LAN interface, WLAN functionality, WLAN access point and optional Modbus RTU interface
Easy access to VBus.net via the Web interface
Operation via any mobile device
Heat pump demand (optional)

Max. number of collector fields:

3¹

Max. number of stores:

5¹

Weather-compensated heating circuits:

2 (7²)

External heat exchanger:

Speed control of standard pumps:

Speed control of HE pumps:

■ via integrated PWM output:

■ via PSW adapter:

Hardware

Temperature sensor inputs:

12 (15⁴)

Sensor type:

Pt1000, Pt500, KTY

Inputs for Grundfos Direct Sensors™:

analog, digital

Input for CS10 irradiation sensor:

Impulse inputs for V40 flowmeter:

Relay outputs in total:

■ semiconductor relays (speed control):

13 (13)

■ electromechanical relay:

■ potential-free relay with changeover contact:

■ potential-free relay with normally open contact:

■ potential-free high-current relay:

PWM outputs:

■ convertible to 0-10 V:

Real-time clock:

Data interface:

RESOL VBus^®, SD card slot, 10 / 100 Base TX Ethernet, Auto MDIX, WLAN

Energy-efficient SMPS:

Power supply:

100 ... 240 V~

Heat quantity measurement

■ with flowmeter:

■ with V40 flowmeter:

■ with Grundfos Direct Sensors™:

VFS/VFD

Software functions

Antifreeze function for solar circuit:

Collector minimum limitation:

Collector emergency shutdown:

Store maximum limitation:

Store set temperature:

Store emergency shutdown:

Drainback option:

Tube collector function:

■ with adjustable time frame, interval:

Additional ΔT control:

Thermostat function:

Target temperature:

Heat dump function:

Heat exchange:

Store loading in layers:

Priority loading:

■ Parallel loading:

■ Store sequence control:

■ Progressive loading:

■ Successive loading:

■ Spreaded loading:

Solar circuit bypass:

Irradiation-dependent bypass:

Irradiation switch:

Afterheating suppression:

Parallel relay:

solar, free selectable

Twin pump for solar circuit:

Cooling functions and cooling mode:

Flow rate monitoring:

Pressure monitoring:

Function control:

Error relay:

DHW hygiene functions:

■ DVGW legionella protection:

■ Thermal disinfection:

DHW heating:

Heating circuit return preheating:

Boiler loading/Zone loading:

Solid fuel boiler:

Mixer control weather-compensated:

Mixer control with target temperature:

Circulation:

Function block:

Heating circuit antifreeze function:

Chimney sweeper function for the heating circuit:

Room thermostats:

¹ system-dependent
² via EM Extension Module(s) in total
⁴ via convertible impulse inputs

Inputs: 15 Pt1000, Pt500 or KTY temperature sensor inputs (can optionally be used for remote controls, operating mode switches or potentialfree switches), 4 impulse inputs for V40 flowmeters, 2 frequency inputs, 1 CS10 solar cell, 2 analogue inputs for VFS/RPS Grundfos Direct Sensors™ or FRH humidity sensors, 2 digital inputs* for VFD/RPD Grundfos Direct Sensors™ or FRHd humidity sensors
* For the Inputs Gd1 and Gd2, the following sensor combinations are possible: 1 x RPD, 1 x VFD / 2 x VFD, but with different measuring ranges only / 1 x VFD, 1 x FRHd / 1 x RPD, 1 x FRHd
Outputs: 15 relays, 13 of them semiconductor relays for pump speed control, 1 potential-free relay, 1 potential-free extra-low voltage relay and 4 PWM outputs (convertible to 0-10 V signal outputs)
PWM frequency: 512 Hz
PWM voltage: 10.5 V
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
4 (2) A 24 V ⎓ / 240 V~ (potential-free relay)
1 (1) A 30 V ⎓ (potential-free relay)
Total switching capacity: 6.3 A 240 V~
Power supply: 100 – 240 V~ (50 – 60 Hz)
Supply connection: X
Standby: 0.82 W
Temperature controls class: VIII
Energy efficiency contribution: 5 %
Mode of operation: type 1.B.C.Y action
Rated impulse voltage: 2,5 kV
Data interface: RESOL VBus^®, SD card slot, 10 / 100 Base TX Ethernet, Auto MDIX, WLAN 2.4~2.4835 GHz, Modbus RTU (optional)
VBus^® current supply: 35 mA
Functions: integrated Web server for configuration and function control, 7 integrated calorimeters, control of weather-compensated heating circuits. Adjustable system parameters and add-on options (menu-driven), balance and diagnostics functions, function control according to VDI 2169
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, mounting into patch panels is possible
Indication/Display: full graphic display
Operation: 7 buttons, via the Web interface on the mobile device
Ingress protection: IP 20 / DIN EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Pollution degree: 2
Dimensions: 253 x 258 x 47 mm
Radiated power: < 100 mW
Maximum altitude: 2000 m above MSL
Fuse: T6.3A
WLAN encryption: WPA / PSK, WPA2 / PSK
Relative humidity: 10 … 90 %