Start-Up; Configuring The Room Thermostat; Configuring Room Control Unit - Fujitsu 112 Installation And Operating Manual

Heat pump split single service 3 phase

2 12 Start-up

- Make sure that ALL DIP SW are OFF before starting
up. DIP SW shuold be set OFF for normal operation.
Power supply to the hydraulic unit must be turned off
while toching DIP SW.
- Close the installation's main circuit breaker.
On first commissioning (or in winter), in order to
allow the compressor to pre-heat, engage the
installation's main circuit breaker (power supply
to the outdoor unit) some hours before starting
up the tests.
- Engage the start/stop switch.
To ensure that inputs EX4, EX5 and EX6 operate
correctly : Check that the live-neutral polarity of
the electrical 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.
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
(configuring the installation).
OK
- Press the key .
- Hold down the key
access used with the aid of the knob
- Confirm with the key
Parameter the heat pump's setting (consult the
settings' list page 32).
On commissioning (or the case of error 10), the electrical
backup 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 mitigate this situation, the sensor must be connected
correctly. Re-initialise parameter 8703 (implementation
level, consumer diagnostic menu).
- 28 -
for 3s and select the level of
.
OK
.

2 13 Configuring the room thermostat

To configure the room thermostat and connect it to the
appropriate heating zone :
- Hold down the presence key for more than 3 seconds.
The room thermostat displays RU and a number
flashes.
- Turn the wheel to choose the zone (1, 2).
" If the installation is fitted with 2 room
thermostats,
- First connect one room thermostat and
configure it in zone 2
- Then connect the other room thermostat and
configure it as default in zone 1
- Hold down the presence
thermostat displays P1 and a flashing number.
1 : Automatic recording : a correction of the setting
with the button is adopted without any particular
confirmation (timeout) or by pressing the regime key.
2 : Recording with confirmation : a correction of the
setting with the button is not adopted until the regime
key is pressed.
- Press the presence
thermostat displays P2 and a flashing number.
0 : OFF : all the operating elements are engaged.
1 : ON : the following operating elements are locked :
Switching over the heating circuit's operating mode.
Adjusting the comfort setting.
Changing the operating level.
The room thermostat displays OFF for 3 seconds when
a locked button is pressed.

2 14 Configuring room control unit

During commissioning, after an initialisation period of
approx. 3 minutes, the user's language must be set :
OK
- Press the key .
- Choose menu "User interface".
- Choose language.
- Select the language (english, français, nederlands,
español, etc).
Installation and operating manual "1364 - EN"
key ; the room
key again ; the room