Connections To The Outdoor Unit - Daikin EWYA004D2V3P Installer's Reference Manual

9 | Electrical installation

9.2 Connections to the outdoor unit

Installer reference guide
76
S1S Preferential kWh rate power supply contact
Preferential kWh rate power supply WITH separate normal kWh rate power
supply
During preferential kWh rate power supply activation, power supply is interrupted
immediately or after some time by the electricity company. In this case, the hydro
module of the outdoor unit must be powered by a separate normal kWh rate
power supply.
0 0
0 58 0
1 5 0
a2
S1S
b b
X5M/9+10
c d
A
A Outdoor unit
B External backup heater kit
a1 Electrical cabinet: Normal kWh rate power supply
a2 Electrical cabinet: Preferential kWh rate power supply
b Overcurrent fuse
c Compressor module
d Hydro module
e Backup heater
S1S Preferential kWh rate power supply contact
Item
Power supply (main)
User interface
Shut-off valve
Electricity meters
Alarm output
Space cooling/heating
operation control
Changeover to external
heat source control
Power consumption digital
inputs
Safety thermostat
Smart Grid
Backup heater kit + Bypass
valve kit
0 58 0
1 5 0
a1
b
e
B
See "9.2.2 To connect the main power
4
supply" [ 79].
See "9.2.4 To connect the user
See "9.2.5 To connect the shut-off
See "9.2.6 To connect the electricity
See "9.2.7 To connect the alarm
See "9.2.8 To connect the space cooling/heating ON/
4
OFF output" [ 94].
See "9.2.9 To connect the changeover to external
4
heat source" [ 95].
See "9.2.10 To connect the power consumption
4
digital inputs" [ 96].
See "9.2.11 To connect the safety thermostat
(normally closed
See "9.2.12 To connect a Smart
See "9.2.3 External backup heater
Description
interface" [
valve" [
meters" [
output" [
contact)" [ 4 97].
4
Grid" [ 97].
4
kit" [ 82]
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
4
88].
4
91].
4
92].
4
93].