7 Commissioning
Installation manual
36
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598591-1A – 2019.12
7
Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
NOTICE
Make sure that both the domestic hot water tank and the
space heating circuit are filled before turning on the power
of the unit.
If not filled before turning on power, and in case
Emergency
is active, the backup heater thermal fuse may
blow. To avoid breakdown of the backup heater, fill the unit
before turning on power.
INFORMATION
Protective functions – "Installer-on-site mode".
The
software is equipped with protective functions, such as
room antifrost. The unit automatically runs these functions
when necessary.
During installation or service this behaviour is undesired.
Therefore, the protective functions can be disabled:
▪
At first power-on:
The protective functions are
disabled by default. After 36 h they will be automatically
enabled.
▪
Afterwards:
An installer can manually disable the
protective functions by setting [9.G]:
Disable
protections
=
Yes
. After his work is done, he can
enable the protective functions by setting [9.G]:
Disable protections
=
No
.
7.1
Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
You read the complete installation instructions, as
described in the
installer reference guide
.
The
indoor unit
is properly mounted.
The following
field wiring
has been carried out according
to this document and the applicable legislation:
▪ Between the local supply panel and the indoor unit
▪ Between the indoor unit and the valves (if applicable)
▪ Between the indoor unit and the room thermostat (if
applicable)
The system is properly
earthed
and the earth terminals
are tightened.
The
fuses
or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The
power supply voltage
matches the voltage on the
identification label of the unit.
There are NO
loose connections
or damaged electrical
components in the switch box.
There are NO
damaged components
or
squeezed
pipes
on the inside of the indoor unit.
Backup heater circuit breaker
F1B (field supply) is
turned ON.
The correct pipe size is installed and the
pipes
are
properly insulated.
There is NO
water and/or brine leak
inside the indoor
unit.
There are no
odour traces
noticeable of the used brine.
The
air purge
valve is open (at least 2 turns).
The
pressure relief valve
purges water when opened.
Clean water must come out.
The
shut-off valves
are properly installed and fully open.
The
domestic hot water tank
is filled completely.
The
brine circuit
and
water circuit
are filled correctly.
NOTICE
When the brine circuit is not ready to be used, the system
can be set to
HP forced off
mode. To do this, set
[9.5.2]=1 (
HP forced off
=
enabled
).
Space heating and domestic hot water are then provided
by the backup heater. Cooling is NOT possible when this
mode is active. All commissioning related to or making use
of the brine circuit should NOT be performed until the brine
circuit is filled and
HP forced off
is deactivated.
7.2
Checklist during commissioning
To perform an
air purge
on the water circuit.
To perform an
air purge on the brine circuit
via brine
pump test run or 10-day brine operation function.
To perform a
test run
.
To perform an
actuator test run
.
Underfloor screed dryout function
The underfloor screed dryout function is started (if
necessary).
To start
10-day brine pump operation.
