PV (PHPHOTOVOLTAICS)
• In case of voltage free contact between clamps 1 and 2 PV is activated (Figure 17).
• In case of voltage free contact between clamps 1 and 2 field 1 is displayed.
• The voltage free contact requires 800 W of electrical power.
• PV is deactivated in default settings.
• PV is activated in the installation menu with the activation of parameter 34.
• Set PV functions prior to time settings.
• PV mode does not affect the backup mode.
• The antilegionelle cycle is performed regardless the state of the PV mode.
PV operation (activated):
• PV is activated and the operation of the heat pump is allowed. The heat pump heats the water to the maximum temperature (see
technical characteristics table). The heater is activated.
• No contact between PV clamps and the heat pump operation is allowed. The heat pump heats the water temperature up to 40°C.
Opening the EPP maintenance cover
Models TC30XXXX
1. To remove a small part of the maintenance cover, pull on the bottom side.
2. To remove the larger part of the maintenance cover, pull on the bottom side.
Take reverse steps for closing the cover.
Models TC20XXXX
Take step 2 of the TC30XXXX models.
2
1
Figure 15: Opening the EPP maintenance cover
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