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Electrical installation
Installer reference guide
116
ERGA04~V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
Wire type
Installation method
Single-core wire
c b
c
a
a
A
AA´
A´
a
Curled single-core wire
b
Screw
c
Flat washer
Stranded conductor wire
with round crimp-style
terminal
c b
b
a
c
a
B
B
a
Terminal
b
Screw
c
Flat washer
Allowed
NOT allowed
Tightening torques
Outdoor unit:
Item
Tightening torque (N•m)
M4 (X1M)
1.2~1.5
M4 (earth)
Indoor unit:
Item
Tightening torque (N•m)
M4 (X1M)
1.2
M4 (X12M, X15M)
0.88 ±10%
Indoor unit – BUH option:
Item
Tightening torque (N•m)
M4 (X6M) *3V, *6V
2.45 ±10%
M4 (X6M) *9W
1.2
9.1.3 About electrical compliance
Only for the backup heater of the indoor unit
"9.3.3 To connect the backup heater power supply"
127].
9.1.4 About preferential kWh rate power supply
Electricity companies throughout the world work hard to provide reliable electric
service at competitive prices and are often authorised to bill clients at benefit
rates. E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and
Austria, ...