Fujitsu Waterstage WOYK150LJL, Installation Manual

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- Close the installation's main circuit breaker.
Upon initial start-up (or in winter), to preheat the
compressor, engage the installation's main circuit
breaker (outdoor unit power supply) several
hours before starting any tests.
- Press the heat pump's Start/Stop button.
To ensure that inputs EX1, EX2 and EX3 operate
correctly: Check that the electricity supply's
neutral phase polarity has been respected.
When the power is switched on and every time that the ON/
OFF button is switched off and then switched on again,
the outdoor unit will take approximately 4 minutes to
start up, even if the setting is requesting heating.
-Engage the start/stop switch.
To ensure that inputs EX1, EX2 and EX3 operate
correctly: Check that the live-neutral polarity of
the power supply is correct.
When the power is switched on and every time that the
ON/OFF button is switched off and then switched on
again, the outdoor unit will take approximately 4 minutes
to start up, even if the setting is requesting heating.
The display can show error 370 when the
appliance (re)starts. Do not be concerned,
the communication between the outdoor and
hydraulic unit will re-establish itself in a few
moments.

Commissioning
During the regulator initialisation phase, the display
shows all the symbols and then "Data, update" and then
"State heat pump".
- Make all the specific adjustments to the setting.
(Installation configuration):
-Press
OK
.
-Hold down the key for 3s and select the level of
access used with the aid of the knob. .
- Confirm with the key
OK
.
- Parameter the heat pump's setting
(Consult the settings' list
On commissioning (or the case of error 10), the electrical
back-up heaters are liable to start up even if the outdoor
temperature at the time is above the heaters’ trigger
temperature.
The regulating system uses an average initial outdoor
temperature of 0°C and requires some time to update
this temperature.
To avoid this situation, the sensor must be connected
correctly. Re-initialise parameter 8703 (commissioning
level, consumer diagnostic menu).
Waterstage / Installation / 2011 - EN