Daikin Altherma 3 H HT ECH2 O Referenzhandbuch Für Den Monteur Seite 54

9 Technical data
Item Designation
Heat pump outdoor unit
Heat pump indoor unit
3UVB1 3-way switch valve (internal heat generator circuit)
3UV DHW 3-way switch valve (hot water/heating)
A1P Printed PCB (heat pump basic control)
X3A Plug connection for internal wiring (bridging plug)
X4A Plug connection for FlowSensor FLS
X5A Plug connection for t
X6A Plug connection for t
X9A Plug connection for storage tank temperature sensor
t
DHW1
X16A Plug connection for heating circulation pump
X18A Plug connection to J11 from RoCon BM2C
X19A Plug connection to XAG1
X21A Plug connection for internal wiring (bridging plug)
X26A Plug connection to TRA1 (230 V)
X31A Plug connection to TRA1 (12 V)
X45A FlowSensor plug connection
AUX Switching contact outputs (A-A1-A2) + (B-B1)
EKBUxx Backup heater
DS Pressure sensor
EBA Switching contact for external requirement request
EXT Switching contact for external operating mode
changeover
F1 Fuse 250 V T 2 A (RoCon BM2C)
SG Switching contact for Smart Grid (intelligent mains con-
nection)
TRA1 Transformer
t Outside temperature sensor
A
t Storage tank temperature sensor 1 (A1P)
DHW1
t Inflow temperature sensor (A1P)
V
t Backup heater inflow temperature sensor
V, BH
EHS157068 Mixer module
EHS157034 Room station
cooling output Status output for "Cooling" operating mode
(floor heating control connection cooling output)
RT Room thermostat (EKRTW)
RT-E Receiver for wireless room thermostat (EKRTR)
RTX-EHS Printed PCB (backup heater)
Tab. 9-2 Key names for connection and wiring diagrams
Installer reference guide
54
inflow temperature sensor
V
inflow temperature sensor
V, BH
Item Designation
K1 Relay 1 for backup heater
K2 Relay 2 for backup heater
K3 Relay 3 for backup heater
X1 Terminal strip for backup heater mains connection
X3 Internal wiring plug connection to J17 (RoCon BM2C)
FLS FlowSensor
FS Flow switch
HT/NT Switching contact for low rate mains connection
P Heating circulation pump (connected inside the device)
P Circulation pump
Z
PWM Pump connection (PWM signal)
RJ45 CAN Internal wiring plug connection (RoCon BM2C) (to Ro-
Con+ B1)
RoCon+ B1 Controller control panel
RoCon BM2C Printed PCB (basic controller module)
J2 Plug connection for 3UVB1
J3 Plug connection AUX switching contacts and cooling
output status output
J5 Pressure sensor plug connection
J6 Plug connection mains voltage
J8 Plug connection for EXT
Plug connection for EBA
Plug connection for Smart Grid EVU switching contacts
Plug connection for HT/NT EVU switching contact
J10 Plug connection for internal wiring to X1A
J11 Plug connection for internal wiring to X18A (A1P)
J12 Plug connection 3UV DHW
J13 System bus plug connection (e.g. room station)
J14 Circulation pump P
J15 Mains switch plug connection
J16 Room thermostat (EKRTR / EKRTW) plug connection
XAG1 Heat pump outdoor unit plug connection
XBUH1 Backup heater plug connection (EKBUxx)
X2M6 HPc-VK-1 connection cable clamp
X2M7 HPc-VK-1 connection cable clamp
X11M Terminal strip in FWXV-ATV3
Heat pump (indoor unit) with integrated heat accumulator
plug connection
Z
Daikin Altherma ETS(X/H)(B)-D
008.1447299_00 – 06/2019 – EN