Carel heaterSteam UR Series - UR053 Three-Phase 460 V Wiring Diagram

56
ENG
“heaterSteam” +0300075EN - rel. 1.2 - 29.09.2015
11.12 Wiring diagram UR053 three-phase (460 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
K
4D 1D 3D 3C 1C 4C
5B
4B 6B
1B
3B
4A
7A 3A
6D
2B
5A
ABC DE FGHILMN
RDT
DT
QC1
CS
M1 M2 S1 S2 T1 T2
THP
DP
FV
NTC
LLC
LS
R1
PTC1
R2
PTC2
R3
PTC3
R4
PTC4
R5
PTC5
R6
PTC6
QC1
ST2 ST1
S2
POWER
SUPPLY
*
RSS3
+
RSS2
+
RSS1
+
L1 L2
PE
TB
F1 F2
K
123
L1
F3
MS
F4
TR
FA N
RDT
S1
R4 R5 R6
F8 F9
F10
R1 R2 R3
F5 F6
F7
TO DP
TO WIRE DP
Fig. 11.l
* To be carried out by the installer
QC1 Fast coupling
K CONTACTOR
LLC Level gauge
ST1…2 Sensor terminal blocks
F1 - F2 Primary circuit fuses
F3 Drain pump safety fuse
F4 Secondary circuit fuse
FV Feed valve
PTC1…6 Temperature sensor heater 1…6
TR Transformer
DP Drain pump
LS High level electrodes
CS Conductivity meter electrodes
MS Manual switch
R1…6 Electric heater 1…6
SSR1…3 Solid state relay 1…3
FAN Fan
RDT Drain tempering relay
DT Drain tempering valve
NTC Water temperature sensor
S1 SSR thermal switch
S2 Heater thermal switch