7 Installation
Installer reference guide
49
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
K1M
K2M
K2M
1 3 5 13
2 4 6 14
K5M
1 3 5 13
2 4 6 14
1 3 5 13
2 4 6 14
Ω
Ω
7.10.21 To connect the backup heater to the
indoor unit
1
Connect backup heater terminals X15M/1+2 to indoor unit
terminals X5M/11+12.
2
Connect backup heater terminals X15M/6+7+8+9+10 to indoor
unit terminals X3M/1+2+3+4+5.
X1M
X3M
1 345
2
1
9
8
7
6
10
1112
2
X2M
X5M
X15M
F1B
3
Fix the cable with cable ties to the cable tie mountings.
NOTICE
The distance between the high voltage and low voltage
cables should be at least 50 mm.
INFORMATION
▪ For details about the connections, refer to the wiring
diagram.
▪ Use multi-core cables.
7.11
Finishing the outdoor unit
installation
7.11.1
To finish the outdoor unit installation
1
Insulate and fix the refrigerant piping and interconnection cable
as follows:
f
b
a
e
d
c
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Liquid pipe
e
Liquid pipe insulation
f
Finishing tape
2
Install the service cover.
7.11.2
To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
1×
2
1
7.12
Finishing the indoor unit
installation
7.12.1
To fix the user interface cover to the
indoor unit
1
Make sure that the front panel is removed from the indoor unit.
See
"7.2.3 To open the indoor unit" on page 30
.
2
Plug the user interface cover into the hinges.
3
2
3
Mount the front panel to the indoor unit.
7.12.2
To close the indoor unit
1
Close the switch box cover.
2
Reinstall the front panel.
NOTICE
When closing the indoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
7.13
Finishing the backup heater
installation
7.13.1
To close the backup heater
1
Close the switch box cover.
2
Close the front plate.
