Daikin Altherma 3 M - Page 263

17 | 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