8
8 - CHECKING BEFORE COMMISSIONING
Electrical connections
NOTE: Under no circumstance should the unit be started without having read the brochure completely.
30PA electronic control
The
30PA control
is basically comprised of a
μ
PC SMALL control
board, a pGD1 graphic terminal, a TCO user terminal (optional for
remote control) and sensors.
■
Main functions:
-Permanent control and optimization of the operating
parameters
-Safety management.
-Timing of the compressor.
-Control of condensation and evaporation pressures.
-Control of outdoor electronic plug-fan (HEE version).
-Control of the circulation pump.
-Regulation of the water outlet temperature.
-Compensation of the setpoint based on the outdoor
temperature.
-Timer and weekly programming.
-Failure diagnosis and main alarm.
■
pGD1 terminal:
This graphic terminal, installed on the electric panel of the
machine, allows:
-The initial programming of the unit
-Modi
fi
cation of operating parameters.
-Unit ON / OFF.
-Selection of the operating mode.
-Setting of setpoints.
-On-screen display of controlled variables and sensor values
measured.
-On-screen display of active alarms and historical record of
alarms.
■
TCO user terminal (optional for remote control):
The TCO user terminal, for remote control, allows:
-Modi
fi
cation of some operating parameters.
-Unit ON / OFF.
-Selection of the operating mode and setting of setpoints.
-On-screen display some controlled variables and probe
values.
-On-screen display of alarms codes.
Installation norms
In order to establish the unit's electric power supply (cable inlet,
calculation of the lead section, protections etc.), refer to:
■
The information supplied in this document (table of technical
characteristics).
■
Data plate.
■
The wiring diagram and the legend supplied with the unit.
■
The electronic control brochure which is supplied with the unit.
■
The regulations and norms in force which regulate the
installation of air-conditioning units and electric receivers.
The electric power supply of the unit must be sized in accordance
with the maximum power input by the unit taking into account all
the options it features (if necessary, refer to the technical brochure).
Verify that electrical power corresponds to the one on the data
plate and that the voltage remains constant.
Check that the electrical connections are correct and
tight (an electrical diagram is included with each unit,
along with its legend).
Note:
All connections in the site are the responsibility
of the installer. These connections are always made as
per the current regulation.
To prevent electrical shocks, make all electrical
connections before energizing the unit. Check that the
automatic switch is closed. Omitting this can cause
personal damage. Make the ground connection before
any other electrical connection.
The installer must
fi
x line protection elements according
to the e
ff
ective legislation.
Collapsible
polycarbonate
window for
access to the
pGD1 terminal
Door
switch
Electric
panel
Options
for outlet from
the electrical
power supply
Summary of Contents for 30PA 180
Page 27: ......
