Wiring Diagram Ur020-Ur027 Three-Phase (230-400-460 V) - Carel heaterSteam User Manual

15.8 Wiring diagram UR020-UR027 three-phase (230-400-460 V) - version 0
* 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
Temperature sensor
PTC1...3
heater 1...3
TR Transformer
DP Drain pump
LS High level electrodes
Conductivity meter elec-
CS
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
Power for drain tempering
X3-X4
kit (24Vac)
J3.1 BLUE
J3.5 PURPLE
J3.4 RED
J3.2 YELLOW
PURPLE
RED
YELLOW
BLUE
Fig. 15.h
73 "heaterSteam" +0300080EN - rel. 1.0 - 27.04.2016
ENG