Daikin Altherma 3 R F Installer's Reference Manual page 85

ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10
—
WARNING
The backup heater MUST have a dedicated power supply and MUST be protected by
the safety devices required by the applicable legislation.
CAUTION
To guarantee the unit is completely earthed, always connect the backup heater
power supply and the earth cable.
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
*3V
(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
interface point between the user's 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
Connect the power supply of the backup heater as follows:
a
X6M
F1B
b
Q1DI
a Factory-mounted cable connected to the contactor of the backup heater, inside the switch box (K1M)
b Field wiring (see table below)
Model (power supply)
*3V (1N~ 230 V)
Power supply
3 kW 1N~ 230 V
Connections to backup heater power supply
SWB2
F1B
8 Electrical installation
|
Maximum
running current
(a)
13 A
is less than or equal to Z
sys
less than or equal to Z
sys
2 4
K1M
1 3
X6M
1 3
I I
2 4
Q1DI
1N~, 50 Hz
L N
230 V AC
Installer reference guide
Z
max
0.34 Ω
at the
max
.
max
85