Operating instructions

Control panel
34. Four position Selector switch
‘Ii11 = Central heating only ( TSS@ not operational )
l = Switched OFF
F
= Hot water only ( including TSS@ )
z
9111 = Hot water ( including TSS@ ) + Central heating
35. User’s instruction panel.
36. &=
Domestic hot water temperature adjustment
37. ‘Ill1 Heating flow temperature adjustment
38. 0 Green indicator - Power ON
39. P Orange indicator - Burner ON
40. 0 Red indicator - Lock out I flame failure
41. “RESET” Reset button
42. Mechanical clock
43.0 Pressure gauge
Isolating Taps
19. CH Flow isolating valve
21. Gas service tap
22. Water service tap
23. CH Return isolating valve
Fig. 22 35
/
iv \
lb
/ I
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21 22
23
Fig. 23