Carel heaterSteam - Wiring Diagrams; UR020-UR027 Three-Phase (230-400-460 V - 0)

73
K
FAN
QC1
THP
ST
M1
M2 S1
S2
T1
T2
TO LEVEL
SENSOR
NTC
CS
LLC
FV
R1
R2
R3
PTC1
PTC2
PTC3
A
B
I
L
E
F
TO RD - C
LS
DP
S2
R1
R2
R3
1
2
3
A
E
I
B
F
L
400V - 460V 3F
J3.1 BLUE
J3.2 YELLOW
J3.4 RED
J3.5 PURPLE
BLUE
YELLOW
RED
PURPLE
CS
CS
LS
LS
NTC
NTC
M2M9
12 1 123 123452121122123456
J17C
2 1
J17L J23 J24 J19J20J3 J16 M3 J18
2 1
J21
M8 M1 M5 M6M12
11234567821132 31221212
{
{
ALARM RELAY
C NC NO
GO
G
EXTERNAL SIGNALS
RS-
RS+K
M2
M1
EVF
EVF
KA1
KA2
RDA1
RDA2
FAN
FAN
R1
R2
R3
1
2
3
A
E
I
B
F
L
230V 3F
RD
X3
X4
L1
L2
L3
K
2
3
1
N.A. RD
TR
MS
S1
F4
F3
F2
F1
POWER SUPPLY
PE
1
BRIDGING CONNECTION
2
3
C
SSR1
SSR2
TO DP
ENG
“heaterSteam” +0300080EN - rel. 1.0 - 27.04.2016
* To be carried out by the installer
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 elec-
trodes
MS Manual switch
R1…3 Electric heater 1…3
SSR1…3 Solid state relay 1…3
FAN Fan
NTC Water temperature sensor
S1 SSR thermal switch
S2 Heater thermal switch
X3-X4
Power for drain tempering
kit (24Vac)
15.8 Wiring diagram UR020-UR027 three-phase (230-400-460 V) - version 0
Fig. 15.h