KXD_DATA SHEET

Product catalog summary

Introduction and Product Overview

The Seltron KXD series (models KXD10B, KXD10, KXD20) are advanced boiler controllers designed for managing room heating, domestic hot water (DHW) warming, heat sources, and solar systems. These controllers feature a graphical LCD display with backlight, user-friendly graphical icon interface, and a setup wizard for initial configuration. They support multiple hydraulic schemes and provide extensive control, protection, and advanced functions.

Key Features

Multilingual graphic menus with user help accessible anytime.
Support for up to 52 different hydraulic schemes, including dual mixing circuits, dual heat sources, and solar systems.
Heating and cooling operation modes.
Permanent storage of all controller settings with user file save/load capability.
Logging of setting changes, temperature exceedances, and system malfunctions.
Periodic storage and display of measured temperatures with simulation mode for testing.
USB connectivity for PC monitoring, configuration, and data acquisition.
Flexible mounting options: wall, panel, or boiler with adjustable bracket.
Support for mixing and direct heating circuits.

Technical Specifications Comparison

Feature	KXD10B	KXD10	KXD20
Number of Relays (Relay/Triac)	7/1	8/1	9/1
Number of Temperature Sensors	10	10	10
Number of Hydraulic Schemes	7	46	52
Heating Circuits (max)	1 (mixing & direct)	1 (mixing & direct)	2 (2 mixing, 1 direct)
Program Timer	Yes	Yes	Yes
Switching Between Two Boilers	No	Yes	Yes
Room Heating with Heat Pump	Yes	Yes	Yes
DHW Warming with Heat Pump	Yes	Yes	Yes
DHW Warming with Solar Collectors	No	Yes	Yes
BUS Communication	Yes	Yes	Yes
Illuminated LCD Display	Yes	Yes	Yes
User Functions (Party, ECO, Holiday, Instant DHW)	Yes	Yes	Yes
Boost Function for Room Heating	Yes	Yes	Yes
Periodic Pumps/Valves Start in Inactive Season	Yes	Yes	Yes
Overheating Protection (Boiler, Collectors, Storage Tank)	Yes	Yes	Yes
Remote Control Option via Telephone	Yes	Yes	Yes
Antilegionella Protection	Yes	Yes	Yes
Frost Protection	Yes	Yes	Yes
Floor Drying Function	Yes	Yes	Yes
Temperature Overview (Current and Past Days)	Yes	Yes	Yes
Error and High Temperature Warning	Yes	Yes	Yes
Simulation of System Operation	Yes	Yes	Yes
Logging of Setting Changes	Yes	Yes	Yes
Free Programming of Outputs R0 and R9	Yes	Yes	Yes
Integrated Thermal Fuse (STB) with LED Indication	Yes	Yes	Yes
Control of 2-Stage Burner	Yes	Yes	Yes
USB Connection to PC	Yes	Yes	Yes

Applications and Hydraulic Schemes

The KXD controllers support a wide range of heating system configurations, including but not limited to:

Oil, wood, gas, and pellet boilers with mixing and/or direct heating circuits.
Heat accumulators with or without built-in domestic hot water storage tanks.
Systems with solar collectors integrated for DHW warming.
Combined heating systems (e.g., wood/oil, oil/electricity).
Heat pumps with heating support and direct circuits.
Systems with multiple mixing circuits and dual boilers.

Each hydraulic scheme is represented by a specific wiring and sensor/actuator configuration, enabling flexible system design tailored to user needs.

Connection Terminals and Accessories

The controllers interface with various sensors and actuators, including:

Outdoor sensor (AF) for outdoor temperature measurement.
Surface sensor (VF) for measuring stand-pipe or return-pipe temperature.
Immersion sensors (TF, CF) for boiler, solar collectors, heat accumulator, DHW tank, and exhaust gases.
Room sensor (PS10) for room temperature measurement.
Room control unit (DD2+) with day/night temperature settings and system status display.
Actuator (AVC) for controlling mixing valves.

Ordering codes are provided for controllers with or without sensors.

Technical Data

Rated operating voltage: 230 V AC, 50 Hz
Maximum power consumption: 3.5 VA (standby 0.5 VA)
Relay outputs: 7 relays (4(1) A, 230 V AC)
Triac output: 1 (1 A, 230 V AC)
Safety class: IP20 (EN 60529), Class I (EN 60730-1)
Temperature control class: III (without room sensor), VII (with room sensor)
Controller housing: ASAPC plastic
Dimensions: 211 x 96 x 53 (58) mm
Weight: 996 g
Operating ambient temperature: 5 °C to +40 °C
Storage temperature: 0 °C to +65 °C

Additional Information

The product datasheet includes detailed wiring diagrams for each hydraulic scheme, illustrating sensor and relay connections. The controllers are designed for easy installation and flexible integration into various heating systems. Seltron reserves the right to modify specifications without prior notice and disclaims responsibility for errors.

Contact details for Seltron d.o.o. are provided for technical support and inquiries.

Catalog excerpts

Data sheet BOILER CONTROLLERS PROMATIC® KXD10B, KXD10, KXD20 SELTRON INTRODUCTION Boiler controllers KXD are modern and powerfull controllers for room heating, domestic hot water warming, heat sources and solar systems. In KXD controllers is built-in a large selection of hydraulic schemes is built-in. Selected scheme and other system informations are shown on illuminated graphic LCD display. Simple handling of the controller is based on user interface with graphical icons. With added »Help« key you can access user help and instructions, anytime you need it. By the first start of the controller a setup wizard is activated, which guides user through the initial setup step by step. KXD controllers feature many control, protective and advance functions such as: - graphic menus and multilingual support, - selection between 52 different hydraulic schemes, including schemes with two mixing circuits or two heat sources, solar system etc., - heating or cooling operation mode, - all controller settings are permanently stored, user settings can be saved to a user file and later opened from it, - each change of controller setting, exceeded maximum temperature or system malfunction is written to a log, - all mesured temperaures are periodically stored, data can be anytime overviewed on display, - especially interesting function that enables simulation of measured temperatures for testing the controller operation in any conditions, - USB connection with PC for monitoring, configuration and data acquiring, - possibility of mounting on the wall, to the panel or to the boiler, - adjustable mounting bracket to the boiler. * mixing and direct heating circuit are available SELTRON® and PROMATIC® are registered Trade Marks of Seltron d.o.o.

Open the catalog to page 1

KXD10B Oil boiler, mixing circuit, d. h. w. storage tank. KXD10B Heat accumulator, mixing circuit, KXD10B Wood boiler, mixing circuit, KXD10B System without boiler - mixing circuit, d. h. w. storage tank. d. h. w. storage tank. KXD10B System expand - mixing circuit, KXD10B Oil boiler, direct circuit, d. h. w. storage tank. 403 KXD10B Oil boiler, direct circuit, d. h. w. storage tank. KXD10 Oil boiler, mixing circuit, d. h. w. storage tank, solar collectors. SELTRON® and PROMATIC® are registered Trade Marks of Seltron d.o.o.

Open the catalog to page 2

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Heat accumulator, mixing circuit, d. h. w. storage tank, solar collectors. Wood boiler, mixing circuit, d. h. w. storage tank, solar collectors. Heat accumulator with built-in storage tank, mixing circuit, solar collectors. Heat accumulator with built-in storage tank, mixing circuit¸, auxiliary heating wit electricity, solar collectors. System expand - mixing circuit, d. h. w. storage tank, solar collectors. Oil boiler, direct circuit, d. h. w. storage tank, solar collectors....

Open the catalog to page 3

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Oil boiler, mixing and direct circuit, d. h. w. storage tank, solar collectors. Wood boiler, oil boiler, mixing circuit, d. h. w. storage tank. Wood boiler, gas boiler, mixing circuit, d. h. w. storage tank. Heat accumulator, oil boiler, mixing circuit, d. h. w. storage tank. Heat accumulator, gas boiler, mixing circuit, d. h. w. storage tank. Heat accumulator, oil boiler, mixing circuit, d. h. w. storage tank. Heat accumulator, gas boiler, mixing circuit, d. h. w. storage...

Open the catalog to page 4

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Combined (wood/oil) boiler, mixing circuit, d. h. w. storage tank. Combined (wood/oil) boiler, heat accumulator, mixing circuit, d. h. w. storage tank. Pellet boiler, mixing circuit, d. h. w. storage tank. Heat accumulator, oil bolier, mixing circuit, d. h. w. storage tank. Wood boiler, heat accumulator, mixing circuit, d. h. w. storage tank. Combined (wood/oil), heat accumulator with built-in d. h. w. storage tank, mixing circuit. Wood boiler, heat accumulator with built-in...

Open the catalog to page 5

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Oil boiler, heat accumulator, mixing circuit, d. h. w. storage tank. Combined (wood/oil) boiler, d. h. w. storage tank, mixing circuit. Combined (wood/oil) boiler, mixing circuit, d. h. w. storage tank. Heat pump, direct circuit, d. h. w. storage tank. Oil boiler, heat accumulator with built-in d. h. w. storage tank, mixing circuit. Gas boiler, heat accumulator with built-in d. h. w. storage tank, mixing circuit. Heat pump, heating support with electricity, direct circuit,...

Open the catalog to page 6

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Heat pump, direct circuit, d. h. w. storage tank Heat pump, direct circuit, d. h. w. storage tank, solar collectors. Heat pump, combined (oil/electricity) boiler, heat accumulator with built-in d. h. w. storage tank, mixing circuit. Oil boiler, 2x mixing circuit, d. h. w. storage tank. Heat pump, heating support with electricity, direct circuit, d. h. w. storage tank. Combined (oil/electricity) boiler, heat accumulator with built-in d. h. w. storage tank, 2x mixing circuit....

Open the catalog to page 7

Data sheet Tehnični list BOILER CONTROLLERS REGULATOR OGREVANJA PROMATIC® KXD10B, KXD10, KXD20 PROMIX® AMC05, AMC10, AMC15 Heat accumulator, 2x mixing circuit, d. h. w. storage tank. Wood boiler, 2x mixing circuit, d. h. w. storage tank. Combined (wood/oil) boiler, 2x mixing circuit, d. h. w. storage tank. System expand, 2x mixing circuit, d. h. w. storage tank. CONNECTION TERMINALS SELTRON® je registrirana blagovna znamka podjetja Seltron d.o.o.. and PROMATIC® are registered Trade Marks of Seltron d.o.o.

Open the catalog to page 8

Data sheet BOILER CONTROLLERS PROMATIC® KXD10B, KXD10, KXD20 SENSORS, ROOM UNITS, ACTUATORS SELTRON® and PROMATIC® are registered Trade Marks of Seltron d.o.o.

Open the catalog to page 9