Carel heaterSteam UR Series - UR027 Three-Phase 230 V Wiring Diagram

53
ENG
“heaterSteam” +0300075EN - rel. 1.2 - 29.09.2015
11.9 Wiring diagram UR027 three-phase (230 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
POWER
SUPPLY
*
RSS3
+
RSS2
+
RSS1
+
L1 L2
PE
TB
F1 F2
K
123
L1
F3
MS
F4
TR
K
4D 1D 3D 3C 1C 4C
5B
4B 6B
1B
3B
4A
7A 3A
QC1
6D
M1 M2 S1 S2 T1 T2
THP
2B
5A
FA N
RDT
S1
F5 F6 F7 F8 F9
F10
R1 R2 R3
TO DP
RDT
DP
FV
DT
NTC
LLC
LS
ABC DEF
R1
PTC1
R2
PTC2
R3
PTC3
QC1
ST
CS
S2
TO WIRE DP
Fig. 11.i
* 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 Feed 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…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