Daikin EWYA004D2V3P Installer's Reference Manual page 85

EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
To connect the backup heater kit to the outdoor unit
The wiring between the backup heater kit and the outdoor unit is as follows:
A
X3M 1 2 3
B
X15M 6 7 8
HV
A Outdoor unit
B Backup heater kit
HV High voltage connections (backup heater thermal protector + backup heater
connection)
LV Low voltage connection (backup heater thermistor)
NOTICE
The distance between the high voltage and low voltage cables should be at least
50 mm.
1 On the backup heater kit, connect the LV and HV cables to the appropriate
terminals as shown in the illustration below.
F1B
X15M
1 2 7 6 9 8 10
LV
2 On the outdoor unit, connect the HV cable to the appropriate terminals as
shown in the illustration below.
4 5 X5M 1 2
9 10 X15M 1 2
LV
EKLBUHCB6W
HV
HV
6 7 8 9 10
X15M
EKLBUHCB6W
9 Electrical installation
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Installer reference guide
85