Technical Information

Piping work and
refrigerant charge
TCGB0079 rev.0 - 01/2013
123
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Step 4: Charging work
Charge refrigerant (R410A) into the system according to the instructions in the Service Manual.
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Step 5: Total refrigerant charge of the system (W
TOT
(kg))
The total refrigerant charge of this system is calculated by the following formula:
W
TOT
= W + W
0
System example (W
TOT
) = + = kg
W
0
is the outdoor unit refrigerant charge before shipment explained before, and it’s shown in its specic table.
Finally, record the refrigerant charge quantity in order to facilitate maintenance and servicing activities.
Total additional charge W
kg
kg
Total ref. charge of this system
Date of ref. charge work
Year
Month
Day
9
TCGB0079_rev0_11-2012.indb 123 29/01/2013 14:27:32