22
AW HT
GB 05/2009
CHECKING AND STARTING UP THE UNIT
A
PREPARING FOR FIRST START UP
The unit must be started up for the first time by the
Techni-
cal Service
.
Before starting up the units, make sure that:
- All safety conditions have been respected;
- The unit is adequately fixed to the surface it rests on;
- Clearances have been respected;
- Water connections have been carried out as indicated in
the instruction manual;
- The water circuit is filled and vented. If emptying after
heating operation beware of the water temperature;
- The water valves are open;
- Electrical connections have been carried out correctly;
- Voltage is within a tolerance of 10% of the rated voltage
for the unit;
- The unit is correctly earthed;
- All electrical connections are tight and all water connec-
tions have been carried out correctly.
Before starting up, power up the unit for at least two hours
by switching QF1 and QS1 to ON (see the wiring diagram
and the control panel in standby) to allow the oil in the com-
pressor sump to heat up.
STARTING UP FOR THE FIRST TIME (AFTER TWO
HOURS)
Before starting the unit:
- Make sure the switch QF1 is in the OFF
position.
- Make sure the contact of the on/off device
SA1 (see the wiring diagram) is open (if
featured).
- Make sure the remote keypad “A3” (see wiring diagram)
shows OFF (if featured).
- Close the door of the electrical panel.
- Position the main unit switch QS1 in the ON position.
- Move the switch QF1 (outside the unit) to “ON”.
- Once the heat pump has been powered up, the room unit
display, described in chap. 1, shows the message “Data
update”.
- The room unit is ready for operation after a few seconds.
- The room unit is ready for operation after a few seconds.
When commissioning the heat pump, the type of system
needs to be configured by the user.
See the chapter “System configuration” and check the
diagrams of the applications that the controller can man-
age.
ON
OFF
AUTO
Data
update
AUTO
0
4
8
12
16
20
24
Room temperature
