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2x Boiler 2 stages, 3x mixed circuit, DHW (Hy0305)

2x Boiler 2 stages, 3x mixed circuit, DHW (Hy0305)
  • Boiler series control for two boilers (two-level) and three mixed circuit controllers along with one hot water controller
  • The correct function of boiler series control depends on the appropriate pairing of the controller and hydraulic system. Therefore the consumer circuits should be decoupled from the two boilers using a hydraulic by-pass.
  • Note: System no. 305 means that certain parameters must be set for this application to function.

Mixed heating3 circuits
Domestic Hot Water2 pumps
Boiler2x 2-stage
Returncontrol boileryes

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
  • Boiler series controller for one or two-stage boilers
  • Constant minimum limit of boiler temperature
  • Maximum limitation of boiler temperature
  • Minimum burner switch-on and switch-off times
  • Operating hours recording for each burner level
  • Replacement of the pilot boiler, depending on time and external temperature
  • Blocking of next boiler, depending on external temperature
Heating circuit
  • Time switch for daily, weekly and holiday programs for each heating circuit
  • Optimisation of switch-on times
  • Caretaker function, frost protection function
  • Outdoor temperature-compensated heating circuits, 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
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.

Related Material

Related Parts

Product Type Description
Application for Smile digital controller
_Hy0305
_Hy0305
Microprocessor controller for heating circuit, boiler and hot water control
SDC12-31WM
SDC12-31WM 		With connection base for wall installation (2)
SDC3-40WM
SDC3-40WM 		With connection base for wall installation
SDC3-40PM
SDC3-40PM 		With connectable terminal strips for control panel installation
SDC12-31PM
SDC12-31PM 		With connectable terminal strips for control panel installation (2)
Sensors
AF20-B65
AF20-B65 		Outside air temperature sensor
SF20-B54
SF20-B54 		Contact temperature sensor VF (3)
KTF20-65-2M
KTF20-65-2M 		Boiler, boiler return, hot water and strategy temperature sensor (without well) WF, RLF, SF, VLF (6)
Recommended
SDW10WE
SDW10WE 		Remote control with temperature selector/sensor and mode switch (3)
Selectable
VF20-1B54NW
VF20-1B54NW 		Immersion temperature sensor (instead of SF20-B54)
VF20-3B54NW
VF20-3B54NW 		Hot water sensor with optional NIRO immersion well (instead of KTF20-65-2M)
SDW30
SDW30 		Easy-to-use remote operation with display and complete programming unit along with temperature sensor/selector (instead of SDW10) (3)
SCS-12
SCS-12 		Base for Smile Controller, for control panel installation as touch protection
SWS-12
SWS-12 		Connecting base for wall installation of SMILE panel models
SRR
SRR 		Reducing attachment frame for control panel installation, assuming available control panel cut-out on controllers ZG52 /53 /55 / 82 /85 or ZG215 /215V /252 /254