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