Daikin EPRA08EAV3, Installer'S Reference Manual

Page: 269 / 292

16 | Technical data
Installer reference guide
269
EPRA08~W1 + ETVH/9W
Daikin Altherma 3 H MT F
4P634886-1 – 2021.03
16.5 Wiring diagram: Indoor unit
See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The
abbreviations used are listed below.
Notes to go through before starting the unit
English Translation
Notes to go through before starting
the unit Notes to go through before starting the
unit
X1M Main terminal
X2M Field wiring terminal for AC
X5M Field wiring terminal for DC
X6M Backup heater power supply terminal
X10M Smart Grid terminal
Earth wiring
Field supply
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Note 1: Connection point of the power
supply for the BUH should be foreseen
outside the unit. Note 1: Connection point of the power
supply for the backup heater should be
foreseen outside the unit.
Backup heater power supply Backup heater power supply
6T1 (3~, 230 V, 6 kW) 6T1 (3~, 230 V, 6 kW)
6V3 (1N~, 230 V, 6 kW) 6V3 (1N~, 230 V, 6 kW)
6WN/9WN (3N~, 400 V, 6/9 kW) 6WN/9WN (3N~, 400 V, 6/9 kW)
User installed options User installed options
Remote user interface Dedicated Human Comfort Interface
(BRC1HHDA used as room thermostat)
Ext. indoor thermistor External indoor thermistor
Ext outdoor thermistor External outdoor thermistor
Digital I/O PCB Digital I/O PCB
Demand PCB Demand PCB
Safety thermostat Safety thermostat
Smart Grid Smart Grid
WLAN module WLAN module
WLAN cartridge WLAN cartridge
Bizone mixing kit Bizone mixing kit
Main LWT Main leaving water temperature