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Technical data
Installer reference guide
263
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
English
Translation
Only for wireless On/OFF thermostat
Only for wireless ON/OFF thermostat
Hydro module — Integrated backup heater
Translation of text on wiring diagram:
English
Translation
(1) Connection diagram
(1) Connection diagram
For internal BUH option
For models with integrated backup
heater
Hydro
Hydro module
Outdoor
Outdoor
SWB2
Hydro switch box 2 (right side)
(2) Notes
(2) Notes
X1M
Terminal (main)
X2M
Terminal (field wiring for AC)
X4M
Terminal (booster heater power supply)
X5M
Terminal (field wiring for DC)
X9M
Terminal (integrated backup heater
power supply)
X10M
Terminal (Smart Grid)
Earth wiring
Field supply
1
Several wiring possibilities
Option
Wiring depending on model
Switch box
PCB
(3) BUH switch box
(3) Backup heater switch box
SWB1
Hydro switch box 1 (front side)
SWB2
Hydro switch box 2 (right side)
SWB3
Hydro switch box 3 (behind SWB2)
(4) Legend
(4) Legend
*: Optional; #: Field supply
A1P
Main PCB
A4P
* Digital I/O PCB
A8P
* Demand PCB
F1B
# Overcurrent fuse backup heater
K1A, K2A
* High voltage Smart Grid relay
K1M
Safety contactor backup heater
K3M
* Contactor booster heater
Summary of Contents for ALTHERMA
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