Heat pump water heater - TECHNICAL INFORMATION FOR INSTALLERS
70
PERMANENT ELECTRICAL CONNECTION
Fig. 11
Use this configuration whenever users do not have a two-tier electricity rate.
The water heater will always be connected to the power supply network to ensure 24h operation.
Remove the 3 NI-MH batteries if you do not use the two-rate time-of-day tariff with HC/HP signal (see
Fig. 14).
ELECTRICAL CONNECTION WITH TWO-TIER ELECTRICITY RATE
Fig. 12
If users have a two-tier electricity rate and a suitable meter, the product may be powered only while
the lowest rate applies.
During the period in which the appliance is not powered, protection against corrosion through the
impressed current anode is ensured by the rechargeable batteries.
To put them into service, open the battery cover (see Fig. 14) and remove the battery protection tab
ELECTRIC CONNECTION WITH TWO-TIER RATE AND HC-HP SIGNAL
Fig. 13
Offers the same cost advantages compared to the two-tier rate configuration but, additionally, it
allows for obtaining rapid heating thanks to the BOOST mode that activates heating even with the HP
rate.
1) Connect a bipolar cable to the appropriate signal contacts on the meter.
2) Connect the signal bipolar cable to the terminal “EDF” which is located inside the electric box at
right side of the product.
WARNING
: the signal cable must be inserted in the hole beneath the power supply cable then
anchored with suitable cable clips located inside the product and tightened in the cable glands near
the appropriate terminal; make a suitably-sized hole in the rubber rings for the passage of the cable.
3)
Activate the HC-HP function
through the installer menu (see Paragraph 7.7).
Fig. 15
In case of connection of boiler/heater to 240SYS heating pump version is recommended to use
upper shealt (S3)
In case of connection of solar panel to 240SYS heating pump version is recommended to use both
upper and bottom shealt (S3) and (S2)
5. INITIAL START-UP
Once the appliance is connected to the hydraulic and electric systems, the water heater must be filled with water from the
domestic water supply network. In order to fill the water heater, it is necessary to open the central tap of the domestic
network supply and the nearest hot water tap, while making sure that all the air in the tank is gradually expelled.
Remove the tab (C) from the batteries, the battery housing is located beneath the cover (B) on the lower side of
the product – refer to the picture 14.
Summary of Contents for 240
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