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72
X1
X2
RD
K
X3
X4
TO RD - C
DP
FV
LL
C
LS
E
F
CS
ST
QC1
R1
PT
C1
FA
N
FSB
THP
+
-
M1
M2
S1
S2
T1
T2
E
F
1
2
R1
TO LE
VEL
SENSOR
STEAM BOILER
NT
C
J3.1 BLUE
J3.2 YELLOW
J3.4 RED
J3.5 PURPLE
L1
L2
PE
K
POWER SUPPL
Y
TO
DP
N.A. RD
TR
SSR1
F4
F3
F2
F1
S1
1
2
BRIDGING C
ONNEC
TION
M2
M9
12
1
1
2
3
1
2
3
45
21
2
1
1
22
123456
J17C
2 1
J17L
J23
J24
J19
J20
J3
J16
M3
J18
2 1
J21
M8
M1
M5
M6
M12
1
12345678
21
1
32
3
12
21
2
1
2
{
{
ALARM RELA
Y
C NC NO
GO
G
EX
TERNAL SIGNALS
RS-
RS+K
M2
M1
EVF
EVF
KA1
KA2
RDA1
RDA2
024
J19.1
X1
CS
CS
LS
LS
NTC
NTC
BLUE
YELLOW
RED
PURPLE
C
G
M
AIN PROBE
+(
G)
ENG
“heaterSteam” +0300087EN - rel. 1.4 - 22.01.2021
* 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
Infeed valve
PTC
Heater temperature sensor
TR
Transformer
DP
Drain pump
LS
High level electrodes
CS
Conductivity meter elec-
trodes
MS
Manual switch
R
Electrical resistor
SSR1-2
Solid state relay
FSB
Fan control board
FAN
Fan
NTC
Water temperature sensor
X1-X2
Power for fan blower (24Vac)
X3-X4
Power for drain tempering
kit (24Vac)
G
24 Vac power supply
terminal (+G) for Carel
0-10 Vdc probes.
Fig. 15.b
15.2 Wiring diagram UR002-UR004 single-phase 230 V - version 0
Содержание HeaterSteam 4 UR002
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Страница 91: ...91 ENG heaterSteam 0300087EN rel rel 1 4 22 01 2021...