8 Commissioning
Installation manual
18
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680074-1 – 2021.11
8
Commissioning
NOTICE
General
commissioning
checklist.
Next
to
the
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
INFORMATION
Protective functions – "Installer-on-site mode"
. The
software is equipped with protective functions, such as
tank disinfection. 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 hours 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
.
8.1
Checklist before commissioning
1
After the installation of the unit, check the items listed below.
2
Close the unit.
3
Power up the unit.
You read the complete installation instructions, as
described in the
installer reference guide
.
The
indoor unit
is properly mounted.
The
outdoor 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 outdoor unit
▪ Between indoor unit and outdoor unit
▪ Between the local supply panel and the indoor unit
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 and outdoor units.
Booster heater circuit breaker
F2B (field supply) is
turned ON.
There are NO
refrigerant leaks
.
The
refrigerant pipes
(gas and liquid) are thermally
insulated.
The correct pipe size is installed and the
pipes
are
properly insulated.
There is NO
water leak
inside the indoor unit.
The
stop valves
(gas and liquid) on the outdoor and
indoor units are fully open.
The
domestic hot water tank
is filled completely.
8.2
Checklist during commissioning
To perform a
test run
.
To perform an
actuator test run
.
8.2.1
To perform an operation test run
Conditions:
Make sure all operation is disabled. Go to [C]:
Operation
and turn off
Tank
operation.
1
Set the user permission level to
Installer
change the user permission level"
—
2
Go to [A.1]:
Commissioning
>
Operation test
run
.
3
Select the
Tank
..
4
Select
OK
to confirm.
Result:
The test run starts. It stops automatically
when ready (±30 min).
To stop the test run manually:
—
1
In the menu, go to
Stop test run
.
2
Select
OK
to confirm.
INFORMATION
If the outdoor temperature is outside the range of
operation, the unit may NOT operate or may NOT deliver
the required capacity.
To monitor tank temperatures
During test run, the correct operation of the unit can be checked by
monitoring its tank temperature (domestic hot water mode).
To monitor the temperatures:
1
In the menu, go to
Sensors
.
2
Select the temperature information.
8.2.2
To perform an actuator test run
Conditions:
Make sure all operation is disabled. Go to [C]:
Operation
and turn off
Tank
operation.
Purpose
Perform an actuator test run to confirm the operation of the different
actuators. For example, when you select
Booster heater
, a test
run of the booster heater will start.
1
Set the user permission level to Installer. See
change the user permission level"
—
2
Go to [A.2]:
Commissioning
>
Actuator test run
.
3
Select
Booster heater
.
