10
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Commissioning
Installer reference guide
198
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1 – 2019.07
Typical workflow
Commissioning typically consists of the following stages:
1
Checking the "Checklist before commissioning".
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.
10.2 Precautions when commissioning
INFORMATION
During the first running period of the unit, the required power may be higher than
stated on the nameplate of the unit. This phenomenon is caused by the compressor,
that needs a continuous run time of 50 hours before reaching smooth operation and
stable power consumption.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure sensors/switches. If NOT,
burning of the compressor might be the result.
10.3 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
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
▪
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 and
outdoor units.
Backup heater circuit breaker
F1B (field supply) is turned ON.
The correct pipe size is installed and the
pipes
are properly insulated.
