Hitachi RAS-(3-6)HVNC1(E) Service Manual page 99

3 Piping work and
refrigerant charge
IVX Standard series
Refrigerant charge before
Model
shipment (W
RAS-3HVNC1
RAS-4HVNC1E
RAS-5HVNC1E
RAS-6HVNC1E
RAS-4HNC1E
RAS-5HNC1E
RAS-6HNC1E
RAS-8HNCE
RAS-10HNCE
RAS-12HNC
(1) For 2 indoor units system configuration, the chargeless length is considered to be 0 m.
(2) Calculated multiplying a constant factor.
C A U T I O N
• When charging refrigerant, measure the amount precisely.
• Overloading or underloading of refrigerant may cause compressor problems.
• If the actual piping length is less than 5 m consult your dealer.
85
SMGB0087 rev.0 - 12/2013
Additional refrigerant charge
(kg)) (P) (g/m)
0
1.9
3.2
3.2
3.2
3.2
3.2
3.2
5.7
6.2
6.7
Maximum additional
charge (kg)
40
40
60
60
40
60
60
(2)
(2)
(2)
Chargeless length
(m)
1.2 20
1.6 30
2.7 30
2.7 30
1.6 30
2.7 30
2.7 30
10.3 30
12.1 30
12.1 30
3