Daikin Altherma EHSX04P50D Installations- Und Wartungsanleitung Seite 64

10 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 circuit board (heat pump basic control)
X26A Plug connection to TRA1 (230 V)
X31A Plug connection to TRA1 (12 V)
X3A Plug connection for internal wiring (bridging plug)
X4A Plug connection for FLS flow sensor and t
X5A Plug connection for t
X6A Plug connection for t
X7A Plug connection for temperature sensor (refrigerant fluid)
t
DC
X8A Plug connection for return flow temperature sensor t
X16A Plug connection for heating circulation pump
X18A Plug connection to J11 of RoCon BM2C
X19A Plug connection to XAG1 + J10 of RoCon BM2C
X21A Plug connection for internal wiring (bridging plug)
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 External temperature sensor
A
t Storage tank temperature sensor 1 (RoCon BM2C)
DHW1
t Storage tank temperature sensor 2 (A1P)
DHW2
t Return flow temperature sensor 2 (A1P)
R
t Inflow temperature sensor 1 (A1P)
V1
t Backup heater inflow temperature sensor
V, BH
EHS15706 Mixer module
8
EHS15703 Room station
4
cooling Status output for "Cooling" operating mode
output
(floor heating control connection cooling output)
RT Room thermostat (EKRTW)
RT-E Receiver for wireless room thermostat (EKRTR)
RTX-EHS Printed circuit board (backup heater)
Tab. 10-26 Key names for connection and wiring diagrams
Installation and maintenance instructions
62
DHW2
inflow temperature sensor
V
inflow temperature sensor
V, BH
R
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 Plug connection for internal wiring to J17 (RoCon BM2C)
FLS Flow sensor
HT/NT Switching contact for off-peak mains connection
P Heating circulation pump (connected inside the device)
P Circulation pump
Z
PWM Pump connection (PWM signal)
RJ45 CAN Plug connection (RoCon BM2C) for internal wiring (for Ro-
Con+ B1)
RoCon+ Controller control panel
B1
RoCon Printed circuit board (basic controller module)
BM2C
X16A Plug connection for heating circulation pump P
J2 Plug connection for 3UVB1
J3 Plug connection AUX switching contacts and cooling out-
put 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 external temperature sensor t
Plug connection for storage tank temperature sensor t
Plug connection for HT/NT EVU switching contact
J10 Plug connection for internal wiring to X19A
J11 Plug connection for internal wiring to X18A (A1P)
J12 Plug connection for 3UV DHW
J13 System bus plug connection (e.g. room station)
J14 Circulation pump P
Z
J15 Plug connection for internal wiring (bridging plug)
J16 Room thermostat (EKRTR / EKRTW) plug connection
HT/NT Switching contact for off-peak mains 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 the HP convector
V,BH
plug connection
Daikin Altherma EHS(X/H)
Daikin Altherma integrated solar unit
008.1444099_00 – 07/2018 – EN
DHW1