Daikin INTERGAS Altherma EJHA-AV3, Installation Manual, Page: 5 / 36

2 About the box
Installation manual
5
EJHA04AAV3
Daikin Altherma H Hybrid – Heat pump module
4P530607-1D – 2020.02
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
2 About the box
2.1 Outdoor unit
2.1.1 To handle the outdoor unit
CAUTION
To avoid injury, do NOT touch the air inlet or aluminium
fins of the unit.
NOTICE
To prevent damage to the supporting feet, do NOT tilt the
unit sideways in any way:
Carry the unit slowly as shown:
2.1.2 To remove the accessories from the
outdoor unit
1 Lift the outdoor unit. See "2.1.1 To handle the outdoor
unit" [
4
5].
2 Remove the accessories at the bottom of the package.
1×
2× 1× 1× 1× 1×
ENERG
IJA Y
IA IE
ENERG
IJA Y
IA IE
1×
j
i h d e f g
1× 1× 1×
a b c
a Connection piece (with O-ring) for freeze protection valve
inside the outdoor unit
b Freeze protection valve (for inside the outdoor unit)
c Vacuum breaker (for outside the outdoor unit)
d General safety precautions
e Addendum book for optional equipment
f Outdoor unit installation manual
g Operation manual
h Energy label
i Cable gland
j Drain plug
3 About the system
3.1 Possible system layouts
INFORMATION
This topic contains basic information about the possible
system layouts. For more information, see the installer
reference guide.
The system layout differs depending on the gas boiler. You can
combine the outdoor unit (=EJHA04AAV3) with either a dedicated or
a third-party gas boiler.
Dedicated gas boiler
a c
b
a Outdoor unit
b Gas boiler
c Space heating circuit
Third-party gas boiler
d2
d1
d2
b a c
a Outdoor unit
b Gas boiler
c Space heating circuit
d Parts of mandatory options EKADDONJH and
EKADDONJH2 (= connection kit for third-party gas
boiler):
d1 : External pump (EKADDONJH)
d2 : Non-return valve EKADDONJH2)
3.1.1 Dedicated gas boiler
The dedicated gas boiler (=*HY32AA) is recommended
for new installations.
Using this gas boiler, you can produce domestic hot water as
follows:
▪ Domestic hot water by tank