Daikin Altherma 3 R F, Installer'S Reference Manual

Page: 120 / 312

9 | Electrical installation
Installer reference guide
120
ERLA11~W1 + EBVH16SU23DJ
Daikin Altherma 3 R F
4P655196-1 – 2021.09
9.1.2 Guidelines when connecting the electrical wiring
Keep the following in mind:
▪ If stranded conductor wires are used, install a round crimp-style terminal on the
end of the wire. Place the round crimp-style terminal on the wire up to the
covered part and fasten the terminal with the appropriate tool.
b a
a Stranded conductor wire
b Round crimp-style terminal
▪ Use the following methods for installing wires:
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) 1.2~1.8
M4 (earth) 1.2~1.4
M5 (X1M) 2.0~3.0
M5 (earth) 2.4~2.9
Indoor unit:
Item Tightening torque (N•m)
X1M 2.45 ±10%
X2M 0.88 ±10%
X5M 0.88 ±10%