Domestic Hot Water - Follow operational sequence

16.0Fault Finding

Turn selector to neon illuminated

YES

Turn thermostat to max.

Open DHW tap fully. DHW

flow switch operated

YES

Primary water is diverted from CH system to DHW heat exchanger and flow microswitch operated neon illuminated

YES

Pump runs

YES

Primary flow switch operated

YES

Fan runs at max speed

YES

NO

NO

NO

NO

NO

NO

Go to section ‘A’

 

 

 

 

 

Is mains water

YES

filter and differential

 

 

assembly clean?

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

DHW flow rate more than

 

2.5l/min.

 

 

 

 

NO

 

 

 

Continuity across DHW flow

microswitch terminals and

 

PCB - A5 connector

YES

terminals 5 & 6

 

 

 

 

 

 

 

 

neon flashing

 

Go to section ‘B’

 

 

 

 

 

neon flashing

 

Go to section ‘C’

 

 

 

 

YES

 

 

 

neon flashing

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

neons flashing

 

Go to section ‘D’

 

 

 

 

 

Replace diaphragm

YES

DHW flow valve diaphragm

damaged

NO

DHW flow valve rod

obstructed

Replace DHW flow

microswitch

Replace PCB

Turn selector to reset

position. If regular resetting is

required or appliance still

does not operate

investigation is necessary

Go to sections ‘J’ & ‘M’

Air pressure switch proved

YES

Spark at ignition electrodes

for up to 10 seconds

YES

Burner on neon

illuminated

YES

Burner extinguishes

after 10 seconds

NO

Burner output modulates to maintain temperature set at thermostat

YES

Close DHW tap

YES

DHW flow valve

senses no flow.

Primary water diverted to CH system. DHW flow switch released off

YES

Burner goes out

NO

NO

NO

YES

NO

NO

NO

neon flashing

Go to section ‘E’

YES neon flashing

NO

Replace PCB

Go to section ‘F’

neon flashing

Go to sections ‘I’ & ‘L’

Reduce the DHW flow rate. If burner does not modulate clean DHW temperature sensor and DHW heat exchanger. If modulation does not occur go to section ‘G’

Diverter valve spindle

assembly faulty

YES

Fan stops

Turn the selector to the reset position. If the light does not extinguish go to section H &

K

Pump stops

YES

Operation sequence correct

© Baxi Heating UK Ltd 2007

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Image 49
Baxi Potterton 30 HE manual Domestic Hot Water Follow operational sequence, Turn selector to neon illuminated, Pump runs

30 HE specifications

The Baxi Potterton 30 HE is a popular choice among homeowners seeking an efficient and reliable boiler solution. Recognized for its compact design and advanced technologies, this boiler is ideal for various residential heating needs.

One of the standout features of the Baxi Potterton 30 HE is its high efficiency rating, which ensures lower energy consumption and reduced utility bills. With an impressive efficiency of up to 90%, this boiler operates at a much higher capacity compared to older models, making it both environmentally friendly and cost-effective. The 30 HE is particularly well-suited for medium to larger homes with a higher demand for hot water.

The Baxi Potterton 30 HE incorporates a range of innovative technologies aimed at enhancing performance and reliability. The automatic modulation function adjusts the boiler's output according to demand, ensuring that it only works as hard as necessary. This not only prolongs the lifespan of the unit but also maximizes comfort levels in the home.

Another feature of the 30 HE is its low noise operation. This boiler has been specifically designed to minimize sound, allowing it to operate quietly in the background without disturbing daily activities. This makes it an ideal choice for homes where noise can be a concern, particularly in open-plan living spaces.

The compact dimensions of the Baxi Potterton 30 HE make it easy to install in various locations, whether it be in a kitchen, utility room, or even a loft space. Its lightweight construction further simplifies the installation process, saving both time and labor costs.

In terms of user-friendliness, the boiler is equipped with an intuitive control panel that allows homeowners to easily adjust settings and monitor performance. This user-centric design ensures that even those who may not be technically inclined can manage their heating requirements with ease.

Safety features are also a priority in the design of the Baxi Potterton 30 HE. It includes built-in safety mechanisms such as frost protection and a burner pressure monitoring system, which work to prevent overheating and ensure optimal operation.

Overall, the Baxi Potterton 30 HE is an efficient, reliable, and user-friendly boiler that meets the heating demands of modern homes. Its blend of advanced technologies, compact size, and focus on safety make it a standout choice for homeowners seeking a high-performance heating solution.