Daikin ETBH16E9W Installer's Reference Manual page 281

EPRA14~18D + ETBH/X16E
Daikin Altherma 3 H HT W
4P644736-1D – 2023.10
English
Bizone mixing kit
Domestic hot water tank
Main LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Add LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Position in switch box
English
Position in switch box
Legend
A1P
A2P
A3P
A4P
A8P
A11P
A14P
A15P
A20P
A30P
BSK (A3P)
CN* (A4P)
DS1 (A8P)
F1B
F2B
F1U, F2U (A4P)
K1A, K2A
K1M, K2M
K3M
Bizone mixing kit
Domestic hot water tank
Main leaving water temperature
ON/OFF thermostat (wired)
ON/OFF thermostat (wireless)
External thermistor
Heat pump convector
Additional leaving water temperature
ON/OFF thermostat (wired)
ON/OFF thermostat (wireless)
External thermistor
Heat pump convector
Position in switch box
Main PCB
* ON/OFF thermostat (PC=power circuit)
* Heat pump convector
* Digital I/O PCB
* Demand PCB
Main PCB of the MMI (= user interface of the indoor
unit)
* PCB of the dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat)
* Receiver PCB (wireless ON/OFF thermostat)
* WLAN module
* Bizone mixing kit PCB
Solar pump station relay
* Connector
* DIP switch
# Overcurrent fuse backup heater
# Overcurrent fuse booster heater
* Fuse 5 A 250 V for digital I/O PCB
* High voltage Smart Grid relay
Contactor backup heater
* Contactor booster heater
16 Technical data
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Translation
Translation
Installer reference guide
281