Connections To The Indoor Unit - Daikin Altherma 3 R F Installer's Reference Manual

8.3 Connections to the indoor unit

ERLA03DAV3 + EHFH03S18DJ3V
Daikin Altherma 3 R F
4P596806-1 – 2019.10
a
a Strip wire end to this point
b An excessive strip length may cause electrical shock or leakage
3 Open the wire clamp.
4 Connect the interconnection cable and power supply as follows:
a
a Interconnection cable
b Power supply cable
c Circuit breaker
d Earth leakage circuit breaker
e Power supply
f Earth
5 Tighten the terminal screws securely. We recommend using a Phillips
screwdriver.
Item
Power supply (main)
Power supply (backup
heater)
User interface
Shut-off valve
Electricity meters
Domestic hot water pump
Alarm output
Space cooling/heating
operation control
Changeover to external
heat source control
b
50 Hz
c d
220-240 V
b e
f
3×
Description
See "8.3.1 To connect the main power
4
supply" [ 93].
See "8.3.2 To connect the backup heater power
4
supply" [ 95].
See "8.3.3 To connect the user
See "8.3.4 To connect the shut-off
See "8.3.5 To connect the electricity
See "8.3.6 To connect the domestic hot water
4
pump" [ 101].
See "8.3.7 To connect the alarm
See "8.3.8 To connect the space cooling/heating ON/
4
OFF output" [ 102].
See "8.3.9 To connect the changeover to external
4
heat source" [ 104].
8 Electrical installation
|
4
interface" [ 97].
4
valve" [ 99].
4
meters" [
4
output" [ 101].
Installer reference guide
100].
91