External Backup Heater Kit - Daikin EWYA004D2V3P Installer's Reference Manual

9 | Electrical installation

9.2.3 External backup heater kit

To connect the backup heater kit
Installer reference guide
82
X19A
X1A
X11Y X11YA
X19A
X1A
X11Y X11YB
5 Fix the cables with cable ties to the cable tie mountings.
For reversible models, you can install the external backup heater kit
(EKLBUHCB6W1).
If you do so, then under certain conditions you also need to install a bypass valve
kit (EKMBHBP1).
See:
▪ "To connect the backup heater
▪ "Bypass valve kit necessity" [
▪ "To connect the bypass valve
The installation of the external backup heater kit is described in the installation
manual of the kit. However, certain parts of it are superseded by the information
described here. It concerns the following:
▪ To connect the backup heater kit power supply
▪ To connect the backup heater kit to the outdoor unit
Wires: See installation manual of the backup heater kit
[9.3] Backup heater
To connect the backup heater kit power supply
CAUTION
To guarantee the unit is completely earthed, ALWAYS connect the backup heater
power supply and the earth cable.
WARNING
The backup heater MUST have a dedicated power supply and MUST be protected by
the safety devices required by the applicable legislation.
X11YB
X11YA
4
kit" [ 82]
4
86]
4
kit" [ 87]
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09