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INST
ALLA
TION
TECHNICAL INFORMATION
Control box containing:
32
External temperature probe terminal
block, remote terminal block, d.h.w tank
terminal block, power supply terminal
block, external controls terminal block
Primary circuit pressure switch
33
Condensate trap
34
D.h.w. heat exchanger
35
Three-way diverter valve
36
Three-way electric actuator valve
37
Fan
38
39
Air box (air/gas mixer)
Ignition electrode
40
Burner
41
Domestic hot water fl ow switch
42
C.H. expansion tank
43
By-pass valve
44
Domestic water circuit fi lter
45
Domestic hot water fl ow limiter
46
Flue outlet pipe
47
Air intake pipe
48
Flue exhaust sampling point
49
Air sampling point
50
