The DEMPAN Group of Companies has operated in the Polish market since 1980. We are a longterm, tried and tested partner of a number of domestic and international companies.
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Boiler, buffer tank, mixed circuit, DHW, solar circuits

Outdoor temperature-compensated control with buffer tank for one radiator, convectors or low temperature heating circuit. Integrated differential temperature control for controlling a solar system. Burner control for demand-based control of all boiler types. Various variants of hot water priority circuit.
Note: System no. 404 means that certain parameters must be set for this application to function.
Mixed heating 1 circuit
Domestic Hot Water 1 pump
Boiler 1-stage
Solar for DHW, heating
Buffer unload. control
appl-smile-404ge51
Functions
The basic functions are contained in an indestructible program.
All the parameters are predefined with sensible basic settings and allow individual adjustments as necessary. PCs are not required for this.
All the relay outputs can be tested manually.
Boiler control
Sliding boiler temperature control for one level burner
Heating circuit
Time switch for daily, weekly and holiday programs for heating circuit
Optimisation of switch-on times
Caretaker function, frost protection function
Outdoor temperature-compensated heating circuit, with room tie-in as necessary
Min./max. limiting of flow temperature
Hot water control
Time switch with daily and weekly program for hot water filling pump
Anti-legionella automatic system
Hot water priority circuit
Outdoor temperature-compensated parallel operation only in mixed circuit
Solar control
The temperatures of the collector (KVLF) and the hot water tank (VE2) are compared. The control unit switches the solar pump on when the collector sensor detects a higher temperature than the tank sensor.
Solar energy is used to fill the hot water tank and the buffer tank.
Combination
Combination option of up to five freely-selectable SMILE controllers
Communication
Communication takes place over the system bus without additional interfaces
Distance (max. 100 m)
All the data required for the control system is communicated
Remote operation with the wall modules SDW.. also takes place using the system bus
Fault message
If the required temperatures cannot be achieved within a reasonable time, or sensors interrupt or short-out, then the controller will generate a fault message.
Application for Smile digital controller
Type
Hy0404p
Microprocessor controller for heating circuit, boiler and hot water control
DescriptionAdditional Product Type
With connection base for wall installationSDC9-21WM
With connectable terminal strips for control panel installationSDC9-21PM
Sensors
DescriptionAdditional Product Type
Outside air temperature sensorAF20
Contact temperature sensor VFVF20A
Boiler, hot water temperature sensor (without well) WF, SF, VE2 (3)KTF20
Collector temperature immersion sensor Pt1000, length 75 mm KVFLT7425B1011
Buffer, strategy sensor KSPF, VE1 (2)VF20L
Recommended
DescriptionAdditional Product Type
Remote control with temperature selector/sensor and mode switchSDW10WE
Selectable
DescriptionAdditional Product Type
Immersion temperature sensor (instead of VF20A)VF20T
Hot water sensor with NIRO immersion well (instead of KTF20)VF20LN
Easy-to-use remote operation with display and complete programming unit along with temperature sensor/selector (instead of SDW10)SDW30
Collector return temperature sensor KRLFVF20A
Collector temperature immersion sensor, length 220 mm KVLF (instead of T7425B1011)T7425B1029
Base for Smile Controller, for control panel installation as touch protectionSCS-12
Connecting base for wall installation of SMILE panel modelsSWS-12
Reducing attachment frame for control panel installation, assuming available control panel cut-out on controllers ZG52 /53 /55 / 82 /85 or ZG215 /215V /252 /254SRR