Heat pump demand (optional)
Data logging, storing, firmware updates and easy transfer of controller adjustments prepared via SD card
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 with room control unit(s) or the VBus®Touch HC App
Up to 5 extension modules via RESOL VBus® (45 sensors and 39 relays in total)

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™	analogue, digital
Input for CS10 irradiation sensor
Impulse inputs for V40 flowmeter	3
Relay outputs in total	14
■ semiconductor relays (speed control)	13 (13)
■ electromechanical relay	-
■ potential-free relay with changeover contact	1
■ potential-free relay with normally open contact	-
■ potential-free high-current relay	-
PWM outputs	4
■ convertible to 0-10 V	4
Real-time clock
Data interface	VBus^®, SD card
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, freely 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

DeltaSol® MX

Sensor inputs:

Inputs: 12 Pt1000, Pt500 or KTY temperature sensor inputs (can optionally be used for remote controls, operating mode switches or potential-free switches), 3 impulse inputs for V40 flowmeters, 1 input for a FlowRotor, 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

Relay outputs:

Outputs: 14 relays, 13 of them semiconductor relays for pump speed control, 1 potential-free 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 (1) A 24 V DC/ 240 V~ (potential-free relay)

Total switching capacity: 6.3 A 240 V~

Power supply: 100 – 240 V~ (50 – 60 Hz)

Supply connection: type X attachment

Power consumption:

Standby: 0,84 W

Temperature controls class: IV

Energy efficiency contribution: 5 %

Mode of operation: type 1.B.C.Y. action

Rated impulse voltage: 2.5 kV

Data interface: RESOL VBus^®

VBus^® current supply: 35 mA

Functions: solar system controller for use in solar and heating systems. 7 integrated calorimeters and 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, control lamp (directional pad) and background illumination

Operation: 7 push buttons at the front

Ingress protection: IP 20 / IEC 60529

Ambient temperature: 0 ... 40 °C

Pollution degree: 2

Dimensions: 253 × 200 × 47 mm

Bus:

Maximum altitude: 2000 m above MSL

Fuse: T6,3A

Solar system with combined store, external heat exchanger, weather-compensated heating circuit, return preheating and backup heating

Solar system with external heat exchanger, store loading in layers and backup heating by solid fuel boiler

Solar system with 2 stores, circulation pump control, heat exchange control and weather-compensated heating circuit

Solar system with combined store and swimming pool, backup heating, heating circuit loading and return preheating

Solar system with store, swimming pool and backup heating over gas- and solid fuel boiler

Solar system with 2 stores and 2 weather-compensated heating circuits for heating or cooling application of a heat pump as well as dew point calculation by means of the FRH(d) humidity sensor

DL2 Plus Datalogger

Name: Multifunction controllers DeltaSol® MX Multifunction controller
Brand: RESOL GmbH
SKU: 11599203
Availability: schema.org

incl. network cable, mains adapter and VBus^® cable pre-connected

Art. no. 180 009 70|Price on request

Smart Display SDFK

Display module with 3 displays for biomass boiler and store temperature as well as for the pump status (Pre-programmed for DeltaTherm^® FK – adaptation to all standard RESOL controllers possible for a surcharge (software adaptation))

Art. no. 180 010 80|Price on request

VBus^®/CANopen interface adapter

Notice

This product is no longer available! Please contact our sales team or technical support to enquire about alternative products.

AM1 Alarm module

Alarm module for signalling system failures

Art. no. 180 008 70|Price on request

VBus^®/USB interface adapter

PC-connection set for RESOL controller with VBus^®

Art. no. 180 008 50|Price on request

SD3 Smart Display

Display module with 3 displays for collector and store temperature as well as for heat quantity (suitable for all DeltaSol^® controllers equipped with a VBus^®)

Art. no. 180 004 90|Price on request

V40 Flowmeter

V40-15

Art. no. 280 016 80|Price on request

CS10 Solar cell

Solar cell

Art. no. 151 003 20|Price on request

EM extension module

Sensor and relay extension module with 5 outputs and 6 inputs

Art. no. 145 440 80|Price on request

KM2 Communication module

Communication module incl. network cable and mains adapter, VBus^® cable pre-connected

Art. no. 180 012 10|Price on request

High-temperature sensors

FKP4/H

Art. no. 155 001 10|Price on request

Temperature sensors

FKP4

Art. no. 155 000 10|Price on request

Flatscrew sensors

FKP9

Art. no. 155 003 60|Price on request

FRH Humidity sensor (analogue) » incl. JST connection cable

Art. no. 130 003 00|Price on request

Grundfos Direct Sensors™

VFS 1-12 l Grundfos Direct Sensor™
Analogue sensor incl. fitting, insert and connection cable

Art. no. NULL|Price on request

SP10 Overvoltage protection

Sensor-overvoltage protection

Art. no. 180 110 70|Price on request

FAP13 Outdoor temperature sensor

Outdoor temperature sensor

Art. no. 155 008 10|Price on request

RCP12 Room control unit

Room control unit for connection to the DeltaSol^® MX (from version 2.0) or DeltaTherm^® HC (from version 1.09) and DeltaTherm^® HC MAX

Art. no. 136 000 50|Price on request

RTA12 Remote control

Remote control for connection to the HKM3 and DeltaSol^® MX, BX Plus, DeltaTherm^® HC/HC MAX or EM Extension Module

Art. no. 136 000 40|Price on request

TS10 Dew point switch

Dew point switch for connection to the DeltaSol^® MX, BX Plus and DeltaTherm^® HC MAX (from version 2.0)

Art. no. 155 009 00|Price on request

Calorimeter extension kits

Calorimeter extension kit 2 (consisting of 2 x FRP30, 1 x V40-15 flowmeter)

Art. no. NULL|Price on request

Documents

Data sheet

Manual

EU declaration of conformity

Safety instructions

Product photo

Firmwares

You will find the product firmware here : Firmwares

Product comparison	DeltaSol^® MX	DeltaSol^® MX Plus
Inputs
Temperature sensors	12	15
Impulse inputs	3	4
Frequency inputs	1	2
CS10 irradiation sensors	1	1
Analogue inputs for Grundfos Direct Sensors™ or FRH humidity sensors	2	2
Digital inputs for Grundfos Direct Sensors™ or FRHd humidity sensors	2	2
Input for central outdoor sensor unit	-	1
Outputs
Semiconductor relays	13	13
Potential-free relay	1	1
Potential-free low voltage relay	-	1
PWM outputs (switchable to 0-10 V signal outputs)	4	4
Interfaces
VBus
SD card slot
LAN	-*
WLAN	-*
Modbus/RTU	-
Communication protocols
Modbus/RTU	-
Modbus/TCP	-*
BACnet/IP	-*
Functions/Features (examples)

DeltaSol^® MX

System examples

Highlights

Functions

Technical data

Accessories

Downloads

DL2 Plus Datalogger

Smart Display SDFK

VBus^®/CANopen interface adapter

AM1 Alarm module

VBus^®/USB interface adapter

SD3 Smart Display

V40 Flowmeter

CS10 Solar cell

EM extension module

KM2 Communication module

High-temperature sensors

Temperature sensors

Flatscrew sensors

Grundfos Direct Sensors™

SP10 Overvoltage protection

FAP13 Outdoor temperature sensor

RCP12 Room control unit

RTA12 Remote control

TS10 Dew point switch

Calorimeter extension kits

Documents

Product photo

Firmwares

DeltaSol® MX

System examples

Highlights

Functions

Technical data

Accessories

Downloads

DL2 Plus Datalogger

Smart Display SDFK

VBus®/CANopen interface adapter

AM1 Alarm module

VBus®/USB interface adapter

SD3 Smart Display

V40 Flowmeter

CS10 Solar cell

EM extension module

KM2 Communication module

High-temperature sensors

Temperature sensors

Flatscrew sensors

Grundfos Direct Sensors™

SP10 Overvoltage protection

FAP13 Outdoor temperature sensor

RCP12 Room control unit

RTA12 Remote control

TS10 Dew point switch

Calorimeter extension kits

Documents

Product photo

Firmwares

DeltaSol^® MX

VBus^®/CANopen interface adapter

VBus^®/USB interface adapter