Daikin EWAA0 DAV3P Series Installer's Reference Manual page 85

EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
▪ 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.
Depending on the configuration (wiring on X14M, and settings in [9.3] Backup
heater), the backup heater capacity can vary. Make sure that the power supply is
in accordance with the backup heater capacity, as listed in the table below.
Backup heater Backup
type heater
capacity
*6W
(a)
This equipment complies with EN/IEC 61000‑3‑11 (European/International Technical
Standard setting the limits for voltage changes, voltage fluctuations and flicker in public
low-voltage supply systems for equipment with rated current ≤75 A) provided that the
system impedance Z
supply and the public system. It is the responsibility of the installer or user of the
equipment to ensure, by consultation with the distribution network operator if necessary,
that the equipment is connected only to a supply with a system impedance Z
equal to Z .
max
(b)
Electrical equipment complying with EN/IEC 61000-3-12 (European/International Technical
Standard setting the limits for harmonic currents produced by equipment connected to
public low-voltage systems with input current >16 A and ≤75 A per phase).
1 Connect the backup heater power supply. A 4‑pole fuse is used for F1B.
2 If required, modify the connection on terminal X14M.
Power supply
3 kW 1N~ 230 V
6 kW 1N~ 230 V
6 kW 3N~ 400 V
9 kW 3N~ 400 V
is less than or equal to Z
sys max
9 Electrical installation
|
Maximum
running current
13 A
(a)(b)
26 A
8.6 A
13 A
at the interface point between the user's
sys
Installer reference guide
Z (Ω)
max
—
—
—
—
less than or
85