Fig. 26
7.3 Generator Shut-Down During Winter
●
Drain the unit and disconnect the power supply.
●
Unit full of water and power on: as the unit is equipped with an antifreeze device which actuates
the water circulating pump when the temperature drops below zero, it is imperative that water can
circulate between the Air Source Heat Pump and the Buffer Vessel.
Page 26
7.4 Service and Maintenance
1. All maintenance and servicing operations on the refrigerating circuit must be conducted in accordance
with standard trade practices and safety rules: recovery of the refrigerant, inert shielded (nitrogen)
brazing, etc ... All brazing operations must be conducted by qualified welders.
2. For equipment loaded with R410A, refer to the specific instructions at the beginning of the this section.
3. This unit is equipped with pressurised equipment, for example piping.
4. Use only genuine parts listed in the spare parts list for replacing defective refrigeration components.
