Saunier Duval Themaclassic F30E Instructions For Use Installation And Servicing page 48

20.30 Discharge safety valve, refer to diagram
20.19.
Before starting refer to the front of Section 20 Important
information.
• Remove the front panel, refer to Section 17.3.
• Lower the control panel, refer to Section 17.4.
• Undo discharge pipe union nut.
• Pull out slotted metal clip from valve body and remove valve.
20.31 (F30E Only) Three-way valve head, refer
to diagram 20.20.
Before starting refer to the front of Section 20 Important
information.
• Remove the front panel, refer to Section 17.3.
• Lower the control panel, refer to Section 17.4.
• For ease of access remove the right hand side panel, refer to
Section 17.6.
• Remove electrical plug from valve head.
• Pull out slotted metal clip from valve body and remove valve
head from body.
• Fit replacement valve head in reverse order to removal.
Note :
1) When refitting clip, ensure that letters YES are as shown.
2) It is not necessary to drain boiler to carry out this work.
20.32 (F30E Only) Three-way valve actuator,
refer to diagram 20.21.
Before starting refer to the front of Section 20 Important
information.
• Remove the front panel, refer to Section 17.3.
• Lower the control panel, refer to Section 17.4.
• Drain down the boiler only, refer to relevant part of
diagram 20.1.
• Remove the gas control valve, refer to Section 20.28.
• Remove 3-way valve head, refer to Section 20.31.
• Remove the three way valve actuator, see diagram 20.21
4000122704-1
20 Replacement of Parts
F30E shown
F30E Only
F30E Only
48
PRESSURE
RELIEF
VALVE
Diagram 20.19
THREE WAY
VALVE HEAD
Diagram 20.20
THREE WAY
VALVE/ BYPASS
HOUSING
THREE WAY
VALVE
ACTUATOR
Diagram 20.21