Table of Contents
Advertisement
MAINTENANCE
– Prior to undertaking any maintenance operation on the HP, it is imperative to disconnect the power supply from the HP: there is a risk of electrocution that can
cause damages, severe injuries, and even death. Maintenance operations are to be conducted by a qualified technician.
Cleaning (must be conducted by a qualified technician at least once yearly):
– The cleaning of the inlet of the evaporators and of the outlet of the fan are necessary to maintain a sufficient yield.
– The HP outer casing must be cleaned with a damp soft cloth (microfibre for example). The use of detergent and other household products might damage the
surface of the casing and change its properties.
– The evaporator, at the rear of the HP, can be cleaned carefully using a soft brush vacuum cleaner, just a soft brush, or a stream of soft water; never use a
high-pressure hose.
Yearly maintenance, safety checks (must be conducted by a qualified technician at least once yearly):
Prior to any maintenance operation, it is imperative to power down the device and to wait a few minutes before installing pressure control devices, as the high
pressure and temperature in some parts of the cooling circuit could cause severe burns.
– Check that the electric cables are properly connected.
– Check that the earth terminals are properly connected to the earth.
– Check the state of the pressure gauge, and that the pressure is aligned with the temperature (table below), and for the presence of coolant.
+60°C = 38.3 bar
+32°C = 19.3 bar
+55°C = 34.2 bar
+30°C = 18.3 bar
+50°C = 30.4 bar
+28°C = 17.3 bar
+45°C = 26.9 bar
+26°C = 16.3 bar
+40°C = 23.8 bar
+24°C = 15.4 bar
+35°C = 20.9 bar
+22°C = 14.5 bar
WINTERING
1 - Turn off the power supply to the HP
2 - Fully open the bypass valve and close the HP inlet and outlet valves.
3 - Unscrew the junctions to evacuate all the
water contained in the HP.
14
+20°C = 13.7 bar
+18°C = 12.9 bar
+16°C = 12.2 bar
+14°C = 11.4 bar
+12°C = 10.7 bar
+10°C = 10.0 bar
Open valve
Half-open valve
4 - Reconnect and slightly tighten the junctions
by hand to prevent the introduction of foreign
objects into the HP
+8°C = 9.4 bar
-4°C = 6.1 bar
+6°C = 8.8 bar
-6°C = 5.7 bar
+4°C = 8.2 bar
-8°C = 5.2 bar
+2°C = 7.6 bar
-10°C = 4.8 bar
0°C = 7.1 bar
-12°C = 4.4 bar
-2°C = 6.6 bar
-14°C = 4.0 bar
pH +/-
Closed valve
-16°C = 3.7 bar
-18°C = 3.3 bar
-20°C = 3.0 bar
5 - Place the provided wintering blanket
over the HP
Advertisement
Table of Contents
