2. Open the stopcocks on the service valves and the vacuum pump.
3. Activate the vacuum pump.
4. Vacuum to at least 50 microns.
5. Detect leaks.
1
1
Refrigerant charge
D A N G E R
Due to its characteristics, R-410A refrigerant must only be handled by qualified personnel.
N O T E
The unit is not supplied charged
The refrigerant charge is calculated for a 7,5 m length of piping. In installations with longer (or shorter)
lengths, add (reduce) refrigerant as indicated in table
Refrigerant charge and piping diameter
, see on
page 35.
In installations with connection piping in excess of 25 m in length, 30 g of oil must be added for every
additional metre.
Installation manual
1
Instructions for installation and connection of the unit 1.10
33
