IDEAL 47-348-18 - Page 23

INSTALLAT ION
Mini Installation & Servicing
23
25 FUNCTIONAL FLOW DIAGRAM
Mini S24, Mini S28
L
N
Electronic
control pcb
Fan
Air pressure switch
CH flow
switch
Pump
bkbk
CH temp.
31
30
bu
bu
10
9
bu
bn
2829
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
Ignition
electrodes
Detection
electrode
151639
probe NTC
26
bk
2
1
bu
bn
INSTALLATION