18
|
Commissioning
Installer and user reference guide
68
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602817-1A – 2020.05
18 Commissioning
In this chapter
18.1 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.
18.2 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 and operation instructions, as described in the
installer
and user reference guide
.
The
indoor unit
is properly mounted.
The
outdoor unit
is properly mounted.
Make sure
drain piping
is properly installed, insulated and drainage flows smoothly. Check
for water leaks.
The
ducting
is properly installed and insulated.
The
refrigerant pipes
(gas and liquid) are installed correctly and thermally insulated.
There are NO
refrigerant leaks
.
There are NO
missing phases
or
reversed phases
.
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.
The
stop valves
(gas and liquid) on the outdoor unit are fully open.
