Installer reference guide
65
08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05
9 Commissioning
9
Commissioning
9.1
Overview: Commissioning
Commissioning typically consists of the following stages:
1
Checking the "Checklist before test run".
2
Performing an air purge.
3
Performing a test run for the system.
4
If necessary, performing a test run for one or more actuators.
5
If necessary, performing an underfloor heating screed dryout.
9.2
Checklist before test run
Do NOT operate the system before the following checks are OK:
9.3
Air purge function
When commissioning and installing the unit, it is very important to
remove all air in the water circuit. When the air purge function is
running, the pump operates without actual operation of the unit and
the remove of air in the water circuit will start.
There are 2 modes to purge air:
Q
Manually: the unit will operate with a fixed pump speed and in a
fixed or custom position of the 3-way valve. The custom position
of the 3-way valve is a helpful feature to remove all air from the
water circuit in space heating or domestic hot water heating
mode. The operation speed of the pump (slow or quick) can also
be set.
Q
Automatic: the unit change automatically the pump speed and
the position of the 3-way valve between space heating or
domestic hot water heating mode.
The air purge function stops automatically after 30 minutes.
9.3.1 To perform a manual air purge
1
Set the user permission level to Installer. See To set the user
permission level to Installer.
2
Set the air purge mode: go to [A.7.3.1]
> Installer settings >
Commissioning > Air purge > Type.
3
Select Manual and press
.
4
Set the desired pump speed: go to [A.7.3.2]
> Installer
settings > Commissioning > Speed.
5
Select the desired pump speed and press
.
Result:
Low
Result:
High
6
If applicable, select the desired position of the 3-way valve. If not
applicable, go to [A.7.3.4].
7
Set the desired position of the 3-way valve: go to [A.7.3.3]
>
Installer settings > Commissioning > Air purge > Circuit.
8
Select the desired circuit and press
.
Result:
SHC
Result:
Tank
9
Go to [A.7.3.4]
> Installer settings > Commissioning > Air
purge > Start air purge and press
to start the air purge
function.
INFORMATION
Q
During the first running period of the unit, the required
power may be higher that stated on the nameplate of
the unit. This phenomenon originates from the
compressor that needs elapse of a 50 hours run in
period before reaching smooth operation and stable
power consumption.
Q
Before startup, the installation must be powered for at
least 2 hours to allow cranckcase heater to operate.
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:
Q
Between the local supply panel and the indoor unit
Q
Between the indoor unit and the valves (if applicable)
Q
Between the indoor unit and the room thermostat (if
applicable)
Q
Between the indoor unit and the domestic hot water
tank (if applicable)
The system is properly
earthed
and the earth terminals are
tightened.
The
fuses
or locally installed protection devices are
according to this document, and have not been bypassed.
The
power supply voltage
on the local supply panel is
according to 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.
Depending on the backup heater type, the
backup heater
circuit breaker
F1B or F3B on the switch box is turned ON.
Only for tanks with built-in booster heater:
The
booster heater circuit breaker
F2B on the switch box
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
shut-off valves
are properly installed and fully open.
The
stop valves
(gas and liquid) on the outdoor unit are
fully open.
The
air purge
valve is open (at least 2 turns).
The
pressure relief valve
purges water when opened.
NOTICE
Before starting up the system, the unit must be energized
for at least 2 hours. The cranckcase heater needs to heat
up the compressor oil to avoid oil shortage and compressor
breakdown during startup.
NOTICE
NEVER operate the unit without thermistors, burning of the
compressor may result.
NOTICE
Do NOT operate the unit until the refrigerant piping is
complete (when operated this way, the compressor will
break).
INFORMATION
It is recommended to start the air purge function in
manually mode. When almost all air is removed, it is
recommended to start the automatic mode. If necessary,
repeat the automatic mode until you are sure that all air is
removed from the system.
