7 Commissioning
Installation manual
37
EWSAH/X06UDA9W
Daikin Altherma 3 WS
4P675760-1 – 2021.10
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
1
After the installation of the unit, check the items listed below.
2
Close the unit.
3
Power up the unit.
INFORMATION
When (re)starting the unit, it takes 7 minutes to initialise
the software. The compressor only turns on after the
software is initialised.
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 leak
inside the indoor unit.
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
central water loop circuit
and
water circuit
are
filled correctly.
NOTICE
When the central water loop circuit is not ready to be used,
the system can be set to
Compressor forced off
mode.
To do this, set [9.5.2]=1 (
Compressor 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 central water loop circuit should NOT be performed
until the central water loop circuit is filled and
Compressor
forced off
is deactivated.
7.2
Checklist during commissioning
To perform an
air purge
on the water circuit.
To perform a
test run
.
To perform an
actuator test run
.
Underfloor screed dryout function
The underfloor screed dryout function is started (if
necessary).
7.2.1
To perform an air purge on the water
circuit
Conditions:
Make sure all operation is disabled. Go to [C]:
Operation
and turn off
Room
,
Space heating/cooling
and
Tank
operation.
