RDZ PDC FLOOR 12T, Installation Manual

Page: 34 / 64

EN
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2 .15 .3 Three-phase wiring diagram with web server
Q1
Master switch
P1 Primary circulation pump
P2 Secondary circulation pump
K1 Auxiliary heater enable relay
K2 External unit enable relay
K3 Ambient thermostat contact relay
AL Anti-Legionella clock contact (or Cooling / Heating, open
in Heating) *
TA Heating Cooling calling environment thermostat *
ON ON/OFF contact (or DOM ON/OFF) remote *
EV Hot water/system solenoid valve *
CA Auxiliary heater enable (max. 2 A) *
SC Hot water enable for boiler
TR Transformer 230/24/13V for external unit board
AT 5 V power for tablet interface
SW Web server board with rabbit
PC Tablet interface patch cord
FL Flow switch
DR Connection for heated bowl kit DR0656 (max. 1 A) *
T1 System water temperature sensor (adjustment)
T2 Heat exchanger output sensor (antifreeze)
T3 Hot water tank temperature sensor
T.EXT External air temperature sensor (max. 50m) *
TAB User interface tablet
CZ-RTC2 E External unit control panel
CR-UXRP71B External unit control board
INN-PDC-02 Controller with user interface
EXT.UNIT External unit terminal strip*
* Connection by the installer
AUTO
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