Technical data

Issue No.1 Combined Manual 24.10.07

COMMISSIONING & SERVICING INSTRUCTIONS

A competent service engineer OFTEC registered should be appointed on an annual basis.

• Isolate Power to the boiler

• De-pressurise heating system and check expansion vessel pre-charge is the same as the cold

fill pressure, of the heating system. Expansion vessel pre-charge must not exceed 1.5 bar.

• Remove inspection door, burner and baffle assembly

• Brush down the inside of the heat exchanger and vacuum out debris

• Clean baffle assembly

• Pull out inserts from stainless steel heat exchanger and clean before replacing.

Ensure stainless steel heat exchanger is thoroughly cleaned.

• Empty and clean condensing trap

• Inspect and clean burner assembly, and replace with new nozzle (see burner manual)

• Renew any insulation e.g. inspection door or inside base of heat exchanger

• Reassemble baffles and replace inspection door.

• Replace paper oil filters

• Turn electrical supply to the boiler to ON.

• Set central heating controls so they are calling for heat.

• Set burner pump pressure.

• Allow time for the boiler to reach normal operating temperature.

• Check the smoke reading.

• Measure the Co

• Measure net flue gas temperature.

• Check domestic hot water flow and hot temperature is acceptable to the householder.

PLEASE NOTE: Reducing the air supply into

the burner air inlet shutter, decrease the flue

gas temperature and increases the Co

Condensin

Trap