Carel HeaterSteam 4 UR002, User Manual

Page: 73 / 92

73
X1
X2
STEAM BOILER
LL
C
LS
A
B
C
D
E
F
CS
ST
QC1
NT
C
R1
R2
R3
PT
C1
PT
C2
PT
C3
THP
M2
S1
S2
T1
T2
TO RD - C
DP
FV
DT
J3.1 BLUE
J3.2 YELLOW
J3.4 RED
J3.5 PURPLE
E
F
1
2
R1
A
B
R2
C
D
R3
RD K
TO LE
VEL
SENSOR
FA
N
FSB
+
-
M1
L1
L2
PE
K
POWER SUPPL
Y
TO
DP
N.A. RD
TR
SSR2
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
024
J19.1
X1
BLUE
YELLOW
RED
PURPLE
CS
CS
LS
LS
NTC
NTC
RDA2
RDA1
KA2
KA1
EVF
EVF
G
M
AIN PROBE
+(
G)
ENG
“heaterSteam” +0300087EN - rel. 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
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
X1-X2 Power for fan blower (24Vac)
G
24 Vac power supply
terminal (+G) for Carel
0-10 Vdc probes.
15.3 Wiring diagram UR006 single-phase 208 V / 230 V - version U
Fig. 15.c