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17
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Technical data
Installer reference guide
272
English
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
A5P
A6P
A8P
A11P
A14P
A15P
A20P
CN* (A4P)
DS1(A8P)
F1B
F1U, F2U (A4P)
K1A, K2A
K1M, K2M
K5M
K6M
K7M
K*R (A4P)
M2P
M2S
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
Bizone PCB
Current loop 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
* Connector
* DIP switch
# Overcurrent fuse backup heater
* Fuse 5 A 250 V for digital I/O PCB
* High voltage Smart Grid relay
Contactor backup heater
Safety contactor backup heater
Relay 3-way valve bypass
Relay 3-way valve flow
Relay on PCB
# Domestic hot water pump
# 2-way valve for cooling mode
Translation
Translation
ERLA11~16D + EBVZ16S18+23D
Daikin Altherma 3 R F
4P643604-1B – 2022.05
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