23
Instructions for the installer
32 Working thermostat
41 Main fuse (4A)
42 Boiler thermometre
11 Mains switch
12 Fan switch
13 C.H.pump switch
31 Safety overheat thermostat
WIRING DIAGRAM KEY
Ph Phase (230V ~ 50Hz)
N Neutral
F1 General fuse (max 4A)
IG Mains switch with warning light
Ipi C .H. pump switch
Iv Fan switch
LL Power ON lamp
Pi C.H.system pump
Pr Recirculation pump
Rt Temporized relay
R1 Relay
Te Working thermostat (75°C÷85°C)
TKS
Microswitch on by-pass rod
Tmax Maximum thermostat (90°C
Ts Safety thermostat (100°C)
Tsc Minimum thermostat for wood fired boiler (65°C)
V Fan (s)
34
... reference to front view facia panel
fig. 41
fig. 42
31
42
11
41
12
13
32
14
15
16
17
35
33
34
18
19
20
21
22
23
IG
11
17
Ts
6
12
18
16
Pr
Pi
10
5
Iv
LL
(100°C)
(30 min.)
(65°C)
11
31
c
c
2
1
12
Ipi
13
33
34
(90°C)
Tmax
c
2
A2
A1
Rt
4
M
R1
Tsc
5
1
1
2
9
c
Te (75°÷85°C)
32
V
Rt
15
16
13
14
15
22
14
ne
ro
blu
13/21
TKS
20
19
22 21
41
N
Ph
230V~ 50Hz
(max 4A)
2
1
3
F1 (max 4 A)
9
8
7
M
23
24
14
13
R1
E
E
E
E
E
