INSTALLATION
Mini
--- Installation & Servicing
22
24 FUNCTIONAL FLOW DIAGRAM
Mini C24, Mini C28, Mini C32
L
N
Electronic
control pcb
Fan
Air pressure switch
CH flow
switch
DHW flow
switch
Pump
DHW temp.
rd
bk
bk
bu
CH temp.
38
37
31
30
bu
bu
rd
10
9
bu
bn
Three way
6
8
bk
bu
7
div. valve
bn
wh
33
34
28
29
Gas Valve
gy
36
35
ye
(modulation coil)
23
25
13
14
gy
gy
bu
bk
bu
Safety
thermostat
Gas Valve
(on--- off operators)
11
12
27
bk
rd
32
Ignition
electrodes
Detection
electrode
15
16
39
probe NTC
probe NTC
26
bk
2
1
bu
bn
INST
ALLA
TION