Unical TRIOPREX N Series, Installation, Use And Servicing Instruction

Page: 26 / 40

26
E
E
E
L1 T2 N S3 T1 B4
IG
3
12 15 18
. .
TERMINAL OF KROMSCHRÖDER
OUTER COMPENSATOR
II
9
II
10
II
6
II
4
II
7
II
1
II
8
IV
3
IV
4
II
3
II
2
II
5
4
Ts
7 6 9 5 8 10
B
A
13
16
Pi2
Pb
Pi1
11
14 17
26
27
30
32 31
36
35
Ipi2 Ipb Ipi1
Ib
(30°C)
(30°÷90°C)
(100°C)
Tm
Te
11
12
32
31
34
13 15 14
N
Ph
230V~ 50Hz
(max 4A)
2
1
22 25
19
23
Vm2
20 21
33 29 28 34
24
N
Ph
230V~ 50Hz
(max 4A)
2
1
29
1
2
1
C
C
2
C
Seven pole connector
41
F1 (max 4 A)
4-4
G-V
6-6 7-7 8-8 9-9 10-10
2nd stage
Tm Minimum thermostat
Ts High limit thermostat (100°C)
Vm2 Mixing valve for 2
nd
zone
A Burner lockout warning lamp (eventual)
B Hourmeter (eventual)
3.5 - ELECTRICAL WIRING DIAGRAM FOR SINGLE PHASE BURNER AND PUMPS
Ipi2 2 nd C.H. pump switch
Ipb D.H.W. tank pump switch
Pb D.H.W. tank loading pump
Pi1 C.H. pump for direct zone
Pi2 C.H. pump for mixed zone
Te Working thermostat
Ph Phase (230V ~ 50Hz)
N Neutral
F1 Genaral fuse (max 4A)
Ib Burner switch
IG Illuminated main switch
Ipi1 1
st C.H. pump switch
fig. 32
fig. 33
SENSOR CONNECTION ONTO THE OUTER COMPENSATOR TERMINAL STRIP