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LTDCV4 - Large Temperature Difference Controller

Excl. VAT: £156.05 Incl. VAT: £187.26

Quick Overview

Key Benefits

  • Large Temperature Difference Controller for complex systems
  • with 1 Relay + 2 SS Relays + 2 PWM
  • 0 sensors included

    Availability: 10 or less


    Large Temperature Difference Controller for complex systems
    For 36 basic systems with additional functions for unused relays
    VFS and RPS flow and pressure metering
    Remote control and data logging via external data logger
    The LTDC is available in different versions with variable relay combinations. It can be equipped with or without speed-control of standard pumps, high-efficiency pumps or both, just according to your needs.

    5-6 sensor inputs for Pt1000 temperature sensors
    CAN-interface for SOREL Connect
    3 relays and up to 2 PWM0-10V outputs
    for 36 basic systems with solar or solid fuel boiler with additional functions for unused relays
    Self-explanatory operation via 4 entry keys
    Multilingual full-text menu with help texts and graphic mode with animations
    High-contrast lighted display with 128x64 dots
    Function check and graphical system analysis with long-term memory for statistics about heat quantity and operating hours
    RTC Real Time Clock with >24h power reserve 
    White housing RAL9003, protection class IP40, dimensions H 163mm W 110mm D 51mm
    Mounting hardware, spare fuse and user manual
    Basic systems:
    Solar with storage
    Solar with swimming pool
    Solid fuel boiler with storage
    Storage transfer
    Return flow increase
    Thermostat function
    Universal Delta T
    Stop valve
    Solar with heat exchanger and pool
    Solar with thermostat
    Solar two-zone storage
    Solar with heating circuit
    Solar with bypass
    Solar with heat exchanger
    Solar with 2 collector surfaces
    Solar with 2 collectors and 2 pumps
    Solar with 2 storages and 2 pumps
    Solar with 2 storages and valve
    Solar with storage transfer
    Solar with pool and heat exchanger
    Solar with thermostat and valve
    Solar with solid-fuel boiler
    Solar with cooling 1 (collector cooling)
    Solar with cooling 2 (collector cooling)
    Solar with cooling 3 (storage cooling)
    Solar with storage and solid-fuel boiler
    Solar with heat exchanger 2 zones
    Solar with heat exchanger 2 storages
    2x solar
    Solar with thermostat and storage transfer
    Solar with thermostat and return flow increase
    Solar with 2 collector surfaces, 2 storages and 2 valves
    Solar with 2 collector surfaces, 2 storages and 2 pumps
    Solar with swimming pool, storage, heat exchanger and valve
    Solar with 3 storages and 3 pumps
    Solar with 3 storages and 2 valves
    Additional functions for unused relays:
    Solar bypass
    Backup heating control
    Cooling function
    Return flow increase
    Anti-legionella function
    Storage transfer
    Universal DeltaT
    Always On
    Solid fuel boiler control
    Signaling with activated protection function
    Signaling with new information message
    Pressure monitoring
    Booster for fast system loading
    Heating circuit
    Parallel operating with R1
    Parallel operating with R2
    Thermostat 2

    LTDC Version 3 Technical features
    Temperature sensors Pt1000: 5
    Relay outputs 230V* of which for speed control of standard pumps: 3 0
    Outputs 0..10V or PWM signal: 2
    VFSRPS sensors: 2
    Number of applications: 36+
    LEDs redgreen for display of operating status: 1
    Simple heat metering: Yes
    Flow based heat metering (Grundfos VFS sensor): Yes
    Pressure monitoring (Grundfos RPS sensor): Yes
    Time and temperature-controlled thermostat function: Yes
    Battery-backed Real Time Clock: Yes
    Legionella protection via solar: Yes
    Legionella protection via additional heating: Yes
    Cooling function: Yes
    Setup wizard: Yes
    System protection: Yes
    Collector protection: Yes
    Storage protection:Yes
    Anti-freeze program: Yes
    Recooling: Yes
    Start logic for vacuum tube collectors: Yes
    Control program for self-dumping systems (drain-back): Yes
    Data storage with statistics and graphic analysis: Yes
    Error memory and analysis with date and time: Yes
    Menu blocker: Yes
    Ethernet connection (via data logger): Yes

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    The team here at Navitron pride ourselves on ensuring that our products arrive fast and in excellent condition to our customers, which is why our delivery charges will depend on the type of product you have ordered.

    At Navitron we go that extra mile in taking special care when packaging our large and fragile products. We also select specialist carriers who are frequently shipping fragile and complex products. Our delivery prices reflect this attention to detail and carrier expertise.

    A lot of our larger items have to be shipped by pallet or on dedicated vehicles to ensure their arrival undamaged. This is reflected in some of our shipping prices for larger items and in most cases you should be able to choose the method that best suits you. Collection is available for everything if you'd prefer to arrange your own transportation, just give the office a call once you've ordered to arrange. We are open 8am – 4.30pm Monday – Friday.

    Regardless of the type of products you want to purchase, we always make sure to group them into as few deliveries as possible, to offer you the lowest shipping prices possible.

    If you have any questions regarding our delivery prices please don't hesitate to contact the Navitron on or call our friendly customer service team who will be only too happy to help on 01572 725512.

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