1. Turn off the electric power and gas supply to the boiler.
2. Remove the two screws holding the sight glass in place.
3. Remove the four components of the sight glass and wipe the glass clean.
4. Before you reassemble the sight glass, check that the gaskets are in good condition.
5. Assemble the components (see image below), by first inserting the rubber gasket
l
inside
the refractory top
m
followed by the glass
k
, and then the graphite gasket
j
.
Figure 47
Four components of the sight glass
6. Replace onto the lid, and fasten with the two screws.
7.5 Cleaning the condensate trap
Warning
If condensate neutralization is used, check the pH level of condensate before and after
neutralization to verify effectiveness and ensure that the discharge has neutral pH levels.
Never operate the boiler unless the trap is filled with water. Failure to comply will result in
severe personal injury or death.
82
Section: Service and maintenance
Summary of Contents for VX Series
Page 8: ...Intentionally left empty...
Page 14: ...Intentionally left empty...
Page 52: ...Figure 36 Two pump two load parallel piping concept 48 Section Installation...
Page 74: ...Intentionally left empty...
Page 100: ...Intentionally left empty...
Page 101: ...97 Appendices Wiring diagrams Figure 48 Controller electrical diagram...
Page 102: ...Figure 49 Internal wiring diagram 98 Section Appendices...
Page 103: ...Figure 50 Sequence of Operation 99 Appendices...
Page 106: ...102 Section Appendices...