3 About the box
Installation manual
6
ETBH/X16E
Daikin Altherma 3 H HT W
4P644727-1B – 2022.03
CAUTION
If the indoor unit has a tank with a built‑in electrical booster
heater, use a dedicated power circuit for the backup heater
and booster heater. NEVER use a power circuit shared by
another appliance. This power circuit MUST be protected
with the required safety devices according to the applicable
legislation.
CAUTION
To guarantee the unit is completely earthed, ALWAYS
connect the backup heater power supply and the earth
cable.
INFORMATION
Details of type and rating of fuses, or rating of circuit
breakers are described in
Commissioning (see
WARNING
Commissioning method MUST be in accordance with the
instructions
from
this
manual.
See
32].
3
About the box
3.1
Indoor unit
3.1.1
To remove the accessories from the
indoor unit
Some accessories are located inside the unit. For more information
on opening the unit, see
"4.2.1 To open the indoor unit"
1×
1×
1×
1×
a
b
c
d
2×
4×
1×
g
f
h
1×
i
1×
e
a
General safety precautions
b
Addendum book for optional equipment
c
Indoor unit installation manual
d
Operation manual
e
WLAN cartridge
f
Sealing ring for shut-off valve
g
Shut-off valve
h
Overpressure bypass valve
i
Wall bracket
4
Unit installation
4.1
Preparing the installation site
4.1.1
Installation site requirements of the
indoor unit
▪ The indoor unit is designed for indoor installation only and for the
following ambient temperatures:
▪ Space heating operation: 5~30°C
▪ Space cooling operation: 5~35°C
▪ Domestic hot water production: 5~35°C
INFORMATION
Cooling is only applicable in case of reversible models.
▪ Mind the measurement guidelines:
Maximum height difference between indoor unit and
outdoor unit
10 m
Maximum height difference between domestic hot
water tank and outdoor unit
10 m
Maximum water piping length between indoor unit
and domestic hot water tank
10 m
Maximum distance between the 3‑way valve and
the indoor unit (for installations with domestic hot
water tank)
3 m
Maximum total water piping length
50 m
(a)
(a)
Precise water piping length can be determined using the Hydronic
Piping Calculation tool. The Hydronic Piping Calculation tool is
part of the Heating Solutions Navigator which can be reached via
https://professional.standbyme.daikin.eu
dealer if you have no access to Heating Solutions Navigator.
▪ Mind the following spacing installation guidelines:
H
≥
1150
≥
200
≥
200
≥
500
(mm)
≥450
H
Height measured from the bottom of the casing to the
floor