Specifications Of Standard Wiring Components; About Electrical Compliance - Daikin Altherma 3 R F Installer's Reference Manual

9 | Electrical installation

9.1.3 Specifications of standard wiring components

9.1.4 About electrical compliance

Installer reference guide
106
Wire type
Stranded conductor wire
with round crimp-style
terminal
Tightening torques
Item
M4 (X1M)
M4 (earth)
Component
(a)
Power MCA
supply
Voltage
cable
Phase
Frequency
Wire sizes
Interconnection cable
Recommended field
fuse
Earth leakage circuit
breaker
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values (see electrical data of
combination with indoor units for exact values).
Only for ERGA04~08DAV3 (not for ERGA04~08DAV3A)
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.).
Only for the backup heater of the indoor unit
See "9.3.2 To connect the backup heater power
c b
B
a
a Terminal
b Screw
c Flat washer
Allowed
NOT allowed
ERGA04+06DAV3 ERGA08DAV3
19.9 A
Must comply with applicable legislation
Minimum cable section of 1.5 mm² and applicable for
20 A
Must comply with applicable legislation
Installation method
a b c
B
Tightening torque (N•m)
1.2~1.5
ERGA04~08DAV3A
24.0 A 15.9 A
230 V
1~
50 Hz
230 V
25 A
4
supply" [ 116].
ERGA04~08EAV3(A) + EHVH04+08SU18+23EA6V
Daikin Altherma 3 R F
4P629090-1 – 2020.08
16 A