Daikin Altherma 3 H MT F Installer's Reference Manual page 119

EPRA08~12EAV3+W1 + ETVH12SU18+23EA6V
Daikin Altherma 3 H MT F
4P644482-1 – 2021.03
Backup heater Backup
type
capacity
*6V
*9W
(a)
6V3
(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).
(c)
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
(d)
6T1
Connect the backup heater power supply as follows:
a
X6M
F1B
b
Q1DI
a Factory-mounted cable connected to the contactor of the backup heater, inside the
switch box (K5M)
b Field wiring (see table below)
Power supply
heater
2 kW 1N~ 230 V
4 kW 1N~ 230 V
6 kW 1N~ 230 V
2 kW 3~ 230 V
4 kW 3~ 230 V
6 kW 3~ 230 V
3 kW 3N~ 400 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
(a)
9 A
(a) (b)(c)
17 A
(a) (b)(c)
26 A
(d)
5 A
(d)
10 A
(d)
15 A
4 A
9 A
13 A
at the interface point between the user's
Installer reference guide
Z
max
—
0.22 Ω
0.22 Ω
—
—
—
—
—
—
less than or
sys
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