Carel heaterSteam - Wiring Diagrams; UR006 Single-Phase (208;230 V - U)

68
X1
X2
STEAM BOILER
LLC
LS
A
B
C
D
E
F
CS
ST
QC1
NTC
R1 R2
R3
PTC1
PTC2
PTC3
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 LEVEL
SENSOR
FAN
FSB
+
-
M1
L1
L2
PE
K
POWER
SUPPLY
TO
DP
N.A. RD
TR
SSR2
SSR1
F4
F3
F2
F1
S1
1
2
BRIDGING CONNECTION
M2M9
12 1 123 123452121122123456
J17C
2 1
J17L J23 J24 J19J20J3 J16 M3 J18
2 1
J21
M8 M1 M5 M6M12
1 1234567821132 31221212
{
{
ALARM RELAY
C NC NO
GO
G
EXTERNAL SIGNALS
RS-
RS+K
M2
M1
0
24
J19.1
X1
BLUE
YELLOW
RED
PURPLE
CS
CS
LS
LS
NTC
NTC
RDA2
RDA1
KA2
KA1
EVF
EVF
ENG
“heaterSteam” +0300080EN - rel. 1.0 - 27.04.2016
* 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)
15.3 Wiring diagram UR006 single-phase 208 V / 230 V - version U
Fig. 15.c