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Technical data
Installer reference guide
280
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
English
Translation
Heat pump convector
Heat pump convector
Add LWT
Additional leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
On/OFF thermostat (wireless)
Ext. thermistor
External thermistor
Heat pump convector
Heat pump convector
Position in switch box
English
Translation
Position in switch box
Position in switch box
SWB1
Main switch box
SWB2
Backup heater switch box
Legend
A1P
Main PCB
A2P
* On/OFF thermostat (PC=power circuit)
A3P
* Heat pump convector
A8P
* Demand PCB
A11P
MMI (= user interface of the indoor unit) – Main PCB
A14P
* PCB of the dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat)
A15P
* Receiver PCB (wireless On/OFF thermostat)
A20P
* WLAN module
A23P
Hydro extension PCB
A30P
Bizone mixing kit PCB
DS1(A8P)
* DIP switch
F1B
# Overcurrent fuse backup heater
F2B
# Overcurrent fuse main
FU1 (A1P)
Fuse (T 5 A 250 V for PCB)
FU1 (A23P)
Fuse (3.15 A 250 V for PCB)
K1A, K2A
* High voltage smartgrid relay
K1M, K2M
Contactor backup heater
K5M
Safety contactor backup heater
M2P
# Domestic hot water pump
M4S
# 2-way valve for cooling mode
PC (A15P)
* Power circuit
Q1L
Thermal protector backup heater
Q4L
# Safety thermostat
Q*DI
# Earth leakage circuit breaker
Содержание Altherma 3 H MT ECH2O
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Страница 304: ...4P663478 1 2021 07 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...