BRITTHERM DS15 Central Heating Circulator Instruction Manual

BRITTHERM DS15 Central Heating Circulator

Product Information

The BritTherm TM Central Heating Circulator is a high-quality pump designed for use in underfloor heating systems and older solar systems. It is a replacement integrated circulator that incorporates 3 constant speeds, allowing you to adjust the pump based on the demand of your system. The pump is built to meet the Domestic Standard and is known for its efficiency.

The benchmark for the most efficient circulators is EEI 0.20, and this pump meets that standard.

Product Usage Instructions

1. Installation:
   • Ensure that the power supply to the pump is switched off before starting the installation.
   • Identify the appropriate location for the pump within your heating system.
   • Connect the pump to the pipework using suitable connectors or adapters.
   • Make sure all connections are secure and leak-free.
   • Once installed, switch on the power supply to the pump.
2. Operation:
   • Familiarize yourself with the three constant speeds available on the pump.
   • Based on your system’s demand, select the appropriate speed setting using the control panel on the pump.
   • Monitor the performance of your heating system and adjust the speed setting as needed to achieve optimal efficiency.
   • If you are unsure about the speed setting, consult a professional or refer to your heating system’s documentation.

General Information

These instructions guide you through the installation and operation of this BritTherm TM Central Heating Circulator. The Domestic Standard is perfectly suited to operate in:

• Single zone heating systems
• Multi zone heating systems Underfloor heating systems
• Older solar systems

The Pump incorporates 3 constant speeds enabling you to set it based on system demand.
It has a connection size of I ½”, a maximum head of 6 metres and a port to port distance of 130mm making it perfect for domestic applications.

• This is a replacement integrated circulator
• The benchmark for the most efficient circulators is EEI ≤ 0.20

Pump Liquid & Operating Conditions

• Brit Therm™ pumps require clean, thin, non-aggressive liquids to operate correctly and prevent damage to their internal components. The liquids used must not contain any solid particles, fibres or mineral oil.
• Liquids running through circulation pumps used on heating systems must comply with the accepted standards of quality especially in domestic applications.
• Liquids that do not comply will void the warranty offered with the circulation pump.

Pump Diagram I

Installation

Attention: Ensure the pump is installed with the motor shaft in the horizontal position

** Attention:** Fit the two gaskets when the pump is mounted correctly between the flow and return pipes

Fault Finding

warning: Before starting any work on the pump please ensure the electricity supply is turned off and cannot be accidentally switched back on at any time

Fault
Pump doesn’t run

Cause

• A) Blown fuse
• B) Inadequately connected power supply
• C) Pump is defective
• D) Impurity in the system
• E) Bearing has blocked pump from running

Remedy

• fReplace fuse
• Check electrical connection
• Replace pump
• Disconnect and clean
• Run at high speed for a  for a short period or loosen the rotor at the end of the shaft with a screwdriver

Fault
Noise in the system

Cause

• A) Air in the system
• B) Pump speed too high

Remedy

• Vent the system
• Reduce the speed

Fault
Noise in the pump

Cause

• A) Air in the pump
• B) Inlet pressure too low

Remedy

• Let the pump run, it vents itself over time
• Increase the inlet pressure

Maintenance & Repair

Attention: Ensure the pump is fully vented before first time operation

Attention: The pump liquid may be scalding hot and under high pressure. Before removing head screws the system either requires draining, or the pump needs to be isolated

Guarantee Registration

This Pump is covered against manufacturing malfunction by a 3 year guarantee. The guarantee is only valid if the pump has been installed correctly, the system is maintained adequately, and the guarantee is registered within 30 days of purchase.
The pump is covered for a free of charge replacement should malfunction occur within the first 3 years from the date of sale.

To register go to www.BritTherm.co.uk and click Register a Guarantee

You will need:

• Date of purchase
• Address where pump is fitted
• Name of supplier
• Supplier invoice number

Please retain your purchase invoice as it may be required in the event of a guarantee claim.
To make a claim please contact BritTherm by email in the first instance: info@BritTherm.co.uk

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