Fujitsu UTW-SCBYA Installation And Operating Manual

2 3 Start-up- Ensure that the startup switch of the control boxis set to 0.- Close the installation's main circuit breaker.On first commissioning (or in winter), in orderto allow the compressor to pre-heat, engage theinstallation's main circuit breaker (power supplyto the heat pump) some hours before starting upthe tests.- Switch-on the startup switch of the control box(position 1).To ensure that inputs EX4, EX5 and EX6 operatecorrectly : Check that the live-neutral polarity ofthe electrical supply is correct.When the power is switched on and every timethat the ON/OFF button is switched off andthen switched on again, the heat pump will takeapproximately 4 minutes to start up, even if thesetting is requesting heating.During the regulator initialisation phase, the displayshows all the symbols and then "Data, update"and then "State heat pump".- Make all the specific adjustments to the setting(Installation configuration) :- Press the key OKOK.- Hold down the key for 3s and select the level ofaccess used with the aid of the knob .- Confirm with the key OKOK.Parameter the heat pump's setting (consult thesettings' list page 16).In case of error 10, the regulating system uses anaverage initial outdoor temperature of 0°C and requiressome time to update this temperature.To avoid this situation, the sensor must be connectedcorrectly. Re-initialise parameter 8703 (commissioninglevel, consumer diagnostic menu).2 4 Configuring room thermostatTo configure the room thermostat and connect it to theappropriate heating zone :- Hold down the presence key for more than 3 seconds.The room thermostat displays RU and a numberflashes.- Turn the wheel to choose the zone 1.- Hold down the presence key, the room thermostatdisplays P1 and a flashing number.1 : Automatic recording: a correction of the setting withthe button is adopted without any particular confirmation(timeout) or by pressing the mode key.2 : Recording with confirmation: a correction of thesetting with the button is not adopted until the mode keyis pressed.- Press the presence key again, the room thermostatdisplays 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 modeAdjusting the comfort settingChanging the operating levelThe room thermostat displays OFF for 3 seconds whena locked button is pressed.2 5 Configuring room control unitDuring commissioning, after an initialisation period ofapprox. 3 minutes, the user’s language must be set :- Press the key OKOK.- Choose menu "Operator section".- Choose language.- Select the language (English, Deutsch, Français,Italiano, Nederlands, Español, Português, Dansk…)Installation and operating manual "1395 - EN"Control Box- 10 -