Gas Filter Check; Inspection Glass Cleaning - DeDietrich 310 ECO Series Installation And Operating Manual

15.4.10 Gas filter check

Measure the pressure differential
fig. 37) on the gas filter.

•
If the value is above 4.0" w.c. [10 mbar]: gas filter must be
P
replaced.

•
If the value is between 2.4 - 4.0" w.c. [6-10 mbar]: measure
P
outgoing pressure on P
gas filter must be replaced.

•
If the value is below 2.4" w.c. [6 mbar]
P

15.4.11 Inspection glass cleaning

Remove the two retaining screws on the inspection glass holder, clean and replace.
Fig. 38 – Flame inspection port removal
Re-assemble boiler in reverse order, check front plate gasket and insulation piece, replace if required. Also check
the gasket on fan and on gas valve, replace if necessary. Ensure that all cables are routed correctly using
existing clips and ties were possible to ensure that they do not touch any hot parts of the boiler.

Important!! Ensure that wires do not come into contact with hot boiler parts
Commission boiler in accordance with section 10.1; complete site report and/or boiler log book if present
Other items requiring periodic checks:
At least once a year the must be checked, cleaned or replaced as required:

Venting system leaks or poor connections

Venting system sagging or damaged vent components

Debris in vent terminal screens [exhaust and air inlet]

Boiler room kept clear of flammable liquids, combustible materials,

The combustion air supply source(s) clear without any obstructions

Combustion air filter if fitted, replace as necessary

Inspection of combustion air supply venting
Additional boiler check list or routine boiler maintenance checklist has been provided on page 66

at measuring points, P
P
. If this value is below 7" w.c. [18 mbar]:
u
65
De Dietrich Gas 310/610 ECO
and P (see
i u
Fig. 37 – Gas filter measuring points