47
ENG
“heaterSteam” +0300075EN - rel. 1.2 - 29.09.2015
11.3 Wiring diagram UR006 single-phase 208 V
1G
2G
1H
2H
3H
1I
2I
3I
4I
5I
6I
7I
8I
4
J
3
J
2
J
1
J
4
3
2
1
8
7
6
5
3
2
1
6
5
4
3
2
1
6
5
4
2
1
4
3
D
C
B
A
I
J
E
MAIN BOARD
RELAY 1
H
G
CONTROL
MODULE
SERIAL
LINE
EXTERNAL
SIGNALS
ALARM
RELAY
1
E
2
E
3
E
4
E
5
E
6
E
1K
2K
3K
REMOTE
ON-OFF
K
POWER
SUPPLY
*
RSS2
+
RSS1
+
LN
PE
TB
F1
F2
K
1 2
2
1
F3
MS
F4
TR
K
BRIDGING CONNECTION
4D
1D
3D
3C
1C
4C
5B
4B
6B
1B
3B
4A
7A
3A
QC1
NTC
CS
LS
DP
FV DT
RDT
R1 R2 R3
STEAM
BOILER UNIT
ST
PTC3PTC2PTC1
6D
A
B
CD FE
M1 M2 S1 S2 T1 T2
THP
2B
LLC
5A
FA N
FSB
RDT
TO DP
TO STEAM
VENTILATED
DISTRIBUTOR
X1 X2
TO WIRE DP
A
B
CD
F
E
2
1
S1
Fig. 11.c
* To be carried out by the installer
TB Terminal Board
THP Motor Protector
QC1 Fast coupling
K Contactor
LLC Level gauge
ST Sensor terminal block
F1 - F2 Primary circuit fuses
F3 Drain pump safety fuse
F4 Secondary circuit fuse
FV Feed valve
PTC1…3
Temperature sensor
heater 1…3
TR Transformer
DP Drain pump
LS High level electrodes
CS Conductivity meter electrodes
MS Manual switch
R1…3 Electric heater 1…3
SSR1…2 Solid state relay
FSB Fan control board
FAN Fan
RDT Drain tempering relay
DT Drain tempering valve
NTC Water temperature sensor
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