General Data - Glow-worm SwiftFlow 125 Instructions For Use Manual

1.1 Servicing or Replacing Parts
To ensure the continued efficient and safe operation of the boiler it
is recommended that it is checked and serviced as necessary at
regular intervals. The frequency of servicing will depend upon the
particular installation conditions and usage, but in general once a
year should be enough.
The servicing of this boiler must be carried out by a competent
person in accordance with the rules in force in the countries of
destination.
Unless stated otherwise, parts removed or renewed during servicing
should be fitted in the reverse order to removal.
After completing any servicing, or renewing of gas carrying
components, ALWAYS test for gas soundness and carry out
functional checks of controls.
Discard all used sealing washers, gaskets and "O" rings when
renewing components.
Use the new ones supplied with the replacement.
An Aid to Servicing
To obtain a products of combustion reading, make sure that the
main burner is alight. Remove the plastic cap, see diagram 1.2 and
connect the analyser probe to the tube, replace cap after use.
1.2 Data Label
The data label is positioned on the front of the inner case cover, see
diagram 1.1.
1.3 Isolation of Boiler
Before commencing any servicing or the replacement of parts,
isolate the boiler from the electrical supply at the external isolator
and close the gas service cock, see diagram 4 User Instructions.
BEFORE DRAINING THE BOILER, REFER TO SECTION 1.6.
1.4 Outer Case Removal
The door opens to the left or right hand side. The door catch is
spring loaded, to open, push the side opposite to the hinge then pull.
Remove the two screws securing the outer case then unhook the
case at the top and pull it forward and off, see diagram 6.1
Installation Instructions.
Note: Remove the four securing screws if there is a clock/timer
fitted.
1.5 Cover - Inner Case
Remove the cover of the inner case, secured by four screws, see
diagram 1.1.
221474C
Supplied By www.heating spares.co Tel. 0161 620 6677

1 General Data

1.6 System Pressures and Draining
WARNING. All parts containing water of the central heating circuit
within the boiler, are under the system pressure. Before any parts
of this circuit are disconnected, reduce the system pressure at the
external draining tap. Turn the central heating isolating valves off
and drain at the drain points on the appropriate valves, see diagram
4 User Instructions.
All water containing parts of the domestic hot water circuit of the
boiler will be under the supply water pressure. Before any parts of
this circuit are disconnected, turn the domestic cold water isolating
valve off, open the hot water taps to reduce the water pressure in the
boiler, and drain the boiler at the valves, see diagram 4 User
Instructions.
After replacing any water containing part of the central heating
circuit, make up the water loss, vent all air and pressurise the
system. Refer to "Commissioning" in the Installation Instructions.
Check for water soundness.
SECURING
SCREW (4)
DATA
LABEL
INNER
CASE
COVER
BURNER WINDOW
SCREW (2)
26
Diagram 1.1
PLASTIC
CAP
Diagram 1.2