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
Simplified timer, 0-10 V boiler control and DHW preheating
Remote access to the heating circuits with room control unit(s) or the VBus®Touch HC App
Up to 2 extension modules via VBus® (21 sensors and 15 relays in total)

Max. number of collector fields	3¹
Max. number of stores	4¹
Weather-compensated heating circuits	(2²)
External heat exchanger
Speed control of standard pumps
Speed control of HE pumps
■ via integrated PWM output
■ via PSW adapter

Hardware
Temperature sensor inputs	8 (9⁴)
Sensor type	Pt1000, Pt500, KTY
Inputs for Grundfos Direct Sensors™	digital
Input for CS10 irradiation sensor
Impulse inputs for V40 flowmeter	1
Relay outputs in total	5
■ semiconductor relays (speed control)	4 (4)
■ electromechanical relay	-
■ potential-free relay with changeover contact	-
■ potential-free relay with normally open contact	1
■ potential-free high-current relay	-
PWM outputs	2
■ convertible to 0-10 V	2
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™	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	according to VDI 2169
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	⁵
Mixer control with target temperature
Circulation
Function block
Heating circuit antifreeze function	⁵
Chimney sweeper function for the heating circuit	⁵
Room thermostats	⁵

DeltaSol® BX Plus

Inputs: 8 (9) inputs for Pt1000, Pt500 or KTY temperature sensors, 1 V40 impulse input, inputs for 2 digital Grundfos Direct Sensors™, 1 input for a CS10 irradiation sensor
* 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

Sensor inputs:

Outputs: 4 semiconductor relays, 1 potential-free relay, 2 PWM outputs

Relay outputs:

PWM frequency: 512 Hz

PWM voltage: 11,0 V

Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
4 (1) A 24 V V DC/ 240 V~ (potential-free relay)

Total switching capacity: 4 A 240 V~

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

Supply connection: type X attachment

Power consumption:

Temperature controls class: I

Standby: 0.91 W

Energy efficiency contribution: 1 %

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

Rated impulse voltage: 2.5 kV

Data interface: RESOL VBus^®, SD card slot

VBus^® current supply: 60 mA

Functions: system controller for solar and heating systems. functions such as: Δt control, pump speed control, heat quantity measurement, operating hours counter for the solar pump, tube collector function, thermostat function, store loading in layers, priority logic, drainback option, booster function, heat dump function, thermal disinfection function, PWM pump control, 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

Ingress protection: IP 20 / IEC 60529

Ambient temperature: 0...40 °C

Pollution degree: 2

Dimensions: 198 x 170 x 43 mm

Maximum altitude: 2000 m above MSL

Fuse: T4A

Solar system with 2 stores and valve logic

Solar system with 3 stores, 3-port-valve logic

Solar system with east/west collectors and 2 stores, pump / 3-port-valve logic

2-store solar system with valve logic and heat exchange control

3-store solar system with pump logic and priority logic

1 mixed heating circuit with solid fuel boiler and backup heating (demand)

KM2 Communication module

Name: Multifunction controllers DeltaSol® BX Plus Multifunction controller
Brand: RESOL GmbH
SKU: 11500133
Availability: schema.org

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

Art. no. 180 012 10|Price on request

CS10 Solar cell

Solar cell

Art. no. 151 003 20|Price on request

V40 Flowmeter

V40-15

Art. no. 280 016 80|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

VBus^®/USB interface adapter

PC-connection set for RESOL controller with VBus^®

Art. no. 180 008 50|Price on request

AM1 Alarm module

Alarm module for signalling system failures

Art. no. 180 008 70|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.

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

EM extension module

Sensor and relay extension module with 5 outputs and 6 inputs

Art. no. 145 440 80|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

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

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

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

FAP13 Outdoor temperature sensor

Outdoor temperature sensor

Art. no. 155 008 10|Price on request

SP10 Overvoltage protection

Sensor-overvoltage protection

Art. no. 180 110 70|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

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

Art. no. 130 003 00|Price on request

Flatscrew sensors

FKP9

Art. no. 155 003 60|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

DeltaSol^® BX Plus

System examples

Highlights

Functions

Technical data

Accessories

Downloads

KM2 Communication module

CS10 Solar cell

V40 Flowmeter

SD3 Smart Display

VBus^®/USB interface adapter

AM1 Alarm module

VBus^®/CANopen interface adapter

Smart Display SDFK

EM extension module

High-temperature sensors

Temperature sensors

TS10 Dew point switch

RTA12 Remote control

RCP12 Room control unit

FAP13 Outdoor temperature sensor

SP10 Overvoltage protection

Grundfos Direct Sensors™

Flatscrew sensors

Calorimeter extension kits

Documents

Product photo

Firmwares

DeltaSol® BX Plus

System examples

Highlights

Functions

Technical data

Accessories

Downloads

KM2 Communication module

CS10 Solar cell

V40 Flowmeter

SD3 Smart Display

VBus®/USB interface adapter

AM1 Alarm module

VBus®/CANopen interface adapter

Smart Display SDFK

EM extension module

High-temperature sensors

Temperature sensors

TS10 Dew point switch

RTA12 Remote control

RCP12 Room control unit

FAP13 Outdoor temperature sensor

SP10 Overvoltage protection

Grundfos Direct Sensors™

Flatscrew sensors

Calorimeter extension kits

Documents

Product photo

Firmwares

DeltaSol^® BX Plus

VBus^®/USB interface adapter

VBus^®/CANopen interface adapter