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Standard Delivery 2-3 Days
Sku: PHP2582
Control Box
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Siemens LDU11.523A27 230V Burner Control Box Siemens LDU11.523A27 230V Burner Control Box

Siemens LDU11.523 A27 Burner Control Box 230V

Overview

The LDU11.523 control box valve proving system is designed for use with shutoff valves in connection with gas burners and gas appliances. In the event of inadmissible leakage, the system prevents the burner from starting up. The LDU11.523 system conforms to the requirements of EN1643 covering automatic shutoff valves for use with gas burners and gas appliances to EN161.

Siemens LDU11.523A27 230V In Use

LDU11.523 A27 230V Burner Control Box Applications


The LDU11.523 is designed for automatic gas valve proving (leakage test) based on the pressure proving the principle. It is for use on gas-fired combustion plant with or without vent pipe to atmosphere. In the case of plants with no vent pipe where EN standards apply, the notes are given in «Connection examples without vent pipe to the atmosphere» must be observed.

If the pressure increases excessively during the first test phase called «Test1», or decreases excessively during the second test phase called «Test2», the LDU11.523 will inhibit burner startup and initiate lockout. In that case, the lockout reset button will light up to indicate the fault. Remote indication of the fault is also possible. A program indicator, which stops whenever a fault occurs, indicates which of the valves is leaking. The LDU11 can be reset either on the unit itself or via an electric remote reset facility.

Features

  • Supply Voltage: 230VAC
  • IP Rating: IP40
  • Operation Temperature: -20 - +60 °C
  • Mounting Position: Optional
  • Weight: Approx. 1kg
LDU11 230V Dimensions

Siemens LDU Dimensions

Control Box Height Width Depth
LDU11.523A27 230V 123mm 103mm 103mm
LDU11.523A17 110V 123mm 103mm 103mm

Siemens LDU11.523 A27 Burner Control Box 230V

Overview

The LDU11.523 control box valve proving system is designed for use with shutoff valves in connection with gas burners and gas appliances. In the event of inadmissible leakage, the system prevents the burner from starting up. The LDU11.523 system conforms to the requirements of EN1643 covering automatic shutoff valves for use with gas burners and gas appliances to EN161.

Siemens LDU11.523A27 230V In Use

LDU11.523 A27 230V Burner Control Box Applications


The LDU11.523 is designed for automatic gas valve proving (leakage test) based on the pressure proving the principle. It is for use on gas-fired combustion plant with or without vent pipe to atmosphere. In the case of plants with no vent pipe where EN standards apply, the notes are given in «Connection examples without vent pipe to the atmosphere» must be observed.

If the pressure increases excessively during the first test phase called «Test1», or decreases excessively during the second test phase called «Test2», the LDU11.523 will inhibit burner startup and initiate lockout. In that case, the lockout reset button will light up to indicate the fault. Remote indication of the fault is also possible. A program indicator, which stops whenever a fault occurs, indicates which of the valves is leaking. The LDU11 can be reset either on the unit itself or via an electric remote reset facility.

Features

  • Supply Voltage: 230VAC
  • IP Rating: IP40
  • Operation Temperature: -20 - +60 °C
  • Mounting Position: Optional
  • Weight: Approx. 1kg
LDU11 230V Dimensions

Siemens LDU Dimensions

Control Box Height Width Depth
LDU11.523A27 230V 123mm 103mm 103mm
LDU11.523A17 110V 123mm 103mm 103mm

Power Heating Delivery Information


Standard Delivery

On stocked items we can offer next day delivery. If the item is not in stock in our warehouse, the delivery is usually 2-3 days. On special order items, the delivery or lead time can be a little longer. We offer the following services:

  • AM delivery before 12:00
  • AM Saturday delivery before 12:00
  • Economy 2 – 3 day delivery

If you require same day, pre-9:00, pre-10:00 or other requirements for delivery please phone us for a price on 01905 773377.


Collection from Our Premises

We are happy for customers to collect their orders from us - If you would like to collect an item from our Tewkesbury offices, please go through checkout and select the collection option. Alternatively, call or email us and we can send you a proforma invoice.


UK Mainland Rates

We aim to be transparent with our shipping rates and just ‘pass on’ the cost of shipping to you. Therefore, our shipping rates are worked out by the courier portal which connects directly to our shop and updates the prices based on weight and volumetric space,


International Shipping

We are setup to be able to deliver anywhere in the world. Just proceed through checkout and a list of prices will be offered, from which you will be able to choose a delivery method that suits your budget and time constraints.

Simply choose the ‘Estimate Shipping’ feature when viewing your cart to get a price on delivery.


If you require any items shipping to locations outside these areas then please get in touch and we will be more than happy to provide you with a price.


Special Instructions

If you have any special instructions relating to the order, or relating to the delivery please enter them in the 'Special Instructions' box upon checkout. If you would like the parcel or pallet to be left in a specific place, the delivery will be left at your own risk.

Power Heating Delivery Information


Standard Delivery

On stocked items we can offer next day delivery. If the item is not in stock in our warehouse, the delivery is usually 2-3 days. On special order items, the delivery or lead time can be a little longer. We offer the following services:

  • AM delivery before 12:00
  • AM Saturday delivery before 12:00
  • Economy 2 – 3 day delivery

If you require same day, pre-9:00, pre-10:00 or other requirements for delivery please phone us for a price on 01905 773377.


Collection from Our Premises

We are happy for customers to collect their orders from us - If you would like to collect an item from our Tewkesbury offices, please go through checkout and select the collection option. Alternatively, call or email us and we can send you a proforma invoice.


UK Mainland Rates

We aim to be transparent with our shipping rates and just ‘pass on’ the cost of shipping to you. Therefore, our shipping rates are worked out by the courier portal which connects directly to our shop and updates the prices based on weight and volumetric space,


International Shipping

We are setup to be able to deliver anywhere in the world. Just proceed through checkout and a list of prices will be offered, from which you will be able to choose a delivery method that suits your budget and time constraints.

Simply choose the ‘Estimate Shipping’ feature when viewing your cart to get a price on delivery.


If you require any items shipping to locations outside these areas then please get in touch and we will be more than happy to provide you with a price.


Special Instructions

If you have any special instructions relating to the order, or relating to the delivery please enter them in the 'Special Instructions' box upon checkout. If you would like the parcel or pallet to be left in a specific place, the delivery will be left at your own risk.

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