Unical ELLPREX Series User Manual

26
E
E
E
L1 T2N S3T1 B4
IG
3
12
15 18
. .
TERMINAL OF KROMSCHRÖDER
OUTER COMPENSATOR
II9
II10
II6
II4
II7
II1
II8 IV3
IV4
II3
II2
II5
4
Ts
76 95 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
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 Pump switch for C.H. system No. 2
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 General fuse (max 4A)
Ib Burner switch
IG Illuminated main switch
Ipi1 Pump switch for C.H. system No. 1
fig. 33
fig. 34
SENSOR CONNECTION ONTO THE OUTER COMPENSATOR TERMINAL STRIP

Unical ELLPREX Series Specifications

General

Brand	Unical
Model	ELLPREX Series
Category	Boiler
Language	English