Potterton Sirius Three WH-130, Installation, Operation And Maintenance Manual

7704679.01 (3-08/18)

4

GENERAL PRECAUTIONS 

This  boiler  has  been  designed  to  heat  water  to  a  temperature  lower  than  boiling  point  at  atmospheric  pressure.  It  must  be 

connected to a central heating system and to a domestic hot water supply system according to its performance and power output. 

Before having the boiler installed by a qualified service engineer, make sure the following operations are performed:

• 

Make sure that the boiler is adjusted to use the type of gas delivered by the gas supply. To do this, check the markings on the 

packaging and the data label on the appliance. 

• 

Make sure that the flue terminal draft is appropriate, that the terminal is not obstructed and that no exhaust gases from other 

appliances are expelled through the same flue duct, unless the latter has been specially designed to collect exhaust gas from 

more than one appliance, in compliance with current laws and regulations.

• 

Make sure that, if the boiler is connected to existing flue ducts, these have been thoroughly cleaned as residual products of 

combustion may detach from the walls during operation and obstruct the flow of fumes.

• 

To ensure correct operation and maintain the warranty, observe the following precautions:

1.   DHW circuit

1.1

 If the water is harder than 20 °F (1 °F = 10 mg calcium carbonate per litre of water), install a polyphosphate dispenser or an 

equivalent treatment system, compliant with current regulations.

1.2

 Thoroughly flush the system after installation of the appliance and before use.

1.3

 The materials used for the DHW circuit comply with Directive 98/83/EC.

2.   Heating circuit

2.1 New system:

 Before installing the boiler, the system must be cleaned and flushed to eliminate residual thread-cutting swarf, 

solder and any solvents, using suitable off-the-shelf non-acid and non-alkaline products that do not damage metal, plastic and 

rubber parts. To protect the system from scale, use inhibitors such as SENTINEL X100 and FERNOX protector for heating circuits. 

Use these products in strict compliance with the manufacturers' instructions.

2.2 Existing system:

 Before installing the boiler, drain the system and clean it to remove sludge and contaminants, using suitable 

proprietary  products.  Recommended  cleaning  products  are:  SENTINEL  X300  or  X400  and  FERNOX  regenerator  for  heating 

circuits. Use these products in strict compliance with the manufacturers' instructions. Remember that the presence of foreign 

bodies in the heating system can adversely affect boiler operation (e.g. overheating and excessive noise of the heat exchanger).

Initial lighting of the boiler must be carried out by an authorised Service Engineer who must first ensure that:

• 

The rated data correspond to the supply (electricity, water and gas) data.

• 

That the installation complies with current regulations.

• 

The appliance is correctly connected to the power supply and earthed.

The appliance must be installed in a ventilated boiler room pursuant to current regulations (appliances with heating capacity 

> 40 kW). 

Failure to observe the above will render the warranty null and void. Prior to commissioning, remove the protective plastic 

coating from the boiler. Do not use any tools or abrasive detergents to do this as you may damage the painted surfaces.

Do not leave any packaging (plastic bags, polystyrene, etc.) within the reach of children as they are a potential source of danger.