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7 Installation
Installer reference guide
42
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
Only for indoor units
See
"7.10.20 To connect the backup heater power supply" on
page 48
.
7.10.3
Precautions when connecting the
electrical wiring
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
7.10.4
Guidelines when connecting the electrical
wiring
Keep the following in mind:
▪ If stranded conductor wires are being used, install a round crimp-
style terminal on the tip. 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
Tightening torques
Item
Tightening torque (N•m)
M4 (X1M)
1.2~1.8
M5 (X1M)
2.0~3.0
M5 (earth)
3.0~4.0
7.10.5
Specifications of standard wiring
components
Component
V3
W1
ERHQ
ERLQ
ERHQ
ERLQ
Power supply
cable
MCA
(a)
31.9 A
34.2 A
13.5 A
16.3 A
Voltage
230 V
400 V
Phase
1~
3N~
Frequency
50 Hz
Wire sizes
Must comply with applicable
legislation
Interconnection cable
Minimum cable section of 2.5 mm²
and applicable for 230 V
Recommended field fuse
32 A
40 A
20 A
Earth leakage circuit breaker
Must comply with applicable
legislation
(a)
MCA=Minimum circuit ampacity. Stated values are
maximum values (see electrical data of combination with
indoor units for exact values).
7.10.6
To connect the electrical wiring on the
outdoor unit
NOTICE
▪ Follow the wiring diagram (delivered with the unit,
located at the inside of the service cover).
▪ Make sure the electrical wiring does NOT obstruct
proper reattachment of the service cover.
1
Remove the service cover. See
"7.2.2 To open the outdoor
unit" on page 30
.
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Connect the interconnection cable and power supply as follows:
c
b
a
d
V3
1~ 50 Hz
230 V
W1
3N~ 50 Hz
400 V
L1
L3
L2
L1
L3
L2
a
Interconnection cable
b
Power supply cable
c
Earth leakage circuit breaker
d
Fuse
Содержание Altherma ERHQ011-014-016BA
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