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FUNCTION
When all the instructions in the Operating, Service and Installation Manual have been carried out, the unit can be
commissioned as follows:
POWER SUPPLY TO THE UNIT
- Set the general cut-off switch to ON.
TURN ON/OFF THE UNIT
- Pressing
on off
button during more than 2 seconds lets you turn ON the unit. The display lights up and
shows the inlet water temperature, or an alarm indication, and the different leds on the unit will lit (see page 16
for alarm section).
If "E00" is shown, indicates that the unit has been turn off by the remote ON/OFF switch, located between 93 and
94 terminals at the electrical box. If the unit does not incorporate this switch, verify that exists an overpass between
these terminals.
- To turn OFF the unit press
wait until water pump stops.
NOTE: When unit is not going to be operating during long periods of time do not turn off power supply,
select the OFF operating mode in order to anti-freeze protection works.
The operating mode is always indicated on the display by leds.
Pressing the
button repeatedly you can change the unit operating mode, and select the required one:
mode
COOL: The unit is working on cooling mode, the led
HEAT: The unit is working on heating mode, the led
STAND BY: The unit is working on stand-by, none led will light up.
Once cooling or heating mode has been selected, water pump will turn on. If cooling is the unit's operating mode
selected and the inlet water temperature exceeds the cooling set point, or if heating mode has been selected and
the inlet water temperature drops below the heating set point, there will be a demand for the compressor to start,
then the compressor led starts blinking, indicating that is on start compressor temporize, delaying the compressor
start because of anticycle protection (see page 20); after of this, the compressor starts and led gets set.
SELECTING THE WATER TEMPERATURE OF THE SYSTEM (SET POINT)
To modify the set point of the unit follow the steps:
- Press the buttons
on off
- Press the buttons
on off
Pressing the buttons
- Once positioned on the set point which should be changed
press the buttons
on off
the current set point; and with buttons
minimum limits.
Once the set point has been changed press
- To get to the main display, press
will show up
; press again
display.
UNIT COMMISSIONING
button during more than 2 seconds. Before disconnecting power supply,
on off
SELECTING THE UNIT'S OPERATING MODE
COOL
and
simultaneously, the display will show up
mode
and
again, the display will show up
mode
and
, the display will show up
and
simultaneously and release within 2 seconds, and the display shows up
mode
or
on off
and
on off
mode
and
on off
mode
HEAT
will light up on the display.
will light up on the display (only heat pump units).
(heating set point) (only heat pump units).
or
may change the set point, among a maximum and a
and
simultaneously.
mode
simultaneously during more than 2 seconds, the display
during more than 2 seconds, and you will be on the main
7
STAND BY
.
(cooling set point).
:
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