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3 GENERAL INFORMATION
These units are used for both heating and cooling applications.
They can be combined with fan coil units, floor heating applications, low temperature high efficiency radiators, domestic hot water
tanks (not supplied) and solar kits (not supplied).
A wired controller is supplied with the unit .
Antifreeze function
The unit have a freeze prevention function that uses the heat pump and backup heater (option) to keep the water system safe from
freezing in all conditions. Since a power failure may happen when the unit is unattended, It's suggested to use anti-freezing flow switch
in the water system. (Refer to Water piping).
Backup heater
The backup heater can increase the heating capacity during cold outdoor temperatures.
The backup heater also serves as a backup in case of malfunctioning and for freeze protection of the outside water piping during
winter time.
The capacity of backup heater for different units is listed below.
The standard unit is without backup heater.
The backup heater kit is an optional part for the 5,7,9kW models.
The backup heater can be integrated into the unit for custom models (12,14,16kW).
1. Heat pump capacity.
2. Required heating capacity (site dependent).
3. Additional heating capacity provided by backup heater.
Capacity/Load
Tbivalent Outdoor temperature
Unit power supply
1-phase 3-phase
Nominal power (kW)
5 7 9 12 14 16 12 14 16
Backup heater (kW) 3 3 o 4,5 4,5
NOTE
The picture and function described in this manual contain the backup heater components.
Room thermostat
Not supplied
Room thermostat can be connected to the unit(room thermostat should be kept away from heating source when selecting the
installation place).
Solar kit for domestic hot water tank
Not supplied
An optional solar kit can be connected to the unit.
Remote alarm kit
Not supplied
A remote alarm kit can be connected to the unit.
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