16
INSTRUCTIONS FOR THE USER
13. Controls
Control panel (fig. 20)
19. - heating circuit pressure gauge
20. - ON/OFF push button and ON indicator light
21.- domestic hot water function ON and hot water
temperature adjustment knob
22.- heating function ON and heating temperature
adjustment knob
23.- heating temperature and operating fault indicator
24.- orange burner operating indicator light
25.- reset push button (reset) and red locking indicator light
Taps and valves (fig. 21)
31. Central heating flow isolating valve and tank
32. Tank backflow (system plus)
33: Gas tap
34: Cold water supply tap
35: Central heating return isolating valve
36: Filling tap
16: Heating safety valve
Fig.20
Fig. 21
20
21
23
25
22
24
19
C
(system plus)
31
32
33
35
16
34
36