Additional Refrigerant Charge - Mitsubishi Electric PUMY-SP.VKM serie Installationshandbuch

4. Installing the refrigerant piping
F
B
A
G
H
I
E
D
A
B
C Cap
D
E
F
G
Fig. 4-12
B
en
C

4.6. Additional refrigerant charge

Additional refrigerant charge
Calculation of additional refrigerant charge
13
F
B
C
A
G
H
I
E
D
H
I
Fig. 4-13
A
A
B
D
C
D
Fig. 4-14
4.5. Stop valve opening method
C
1
2
1
2
Warning:
When opening or closing the valve below freezing temperatures, refrigerant
may spurt out from the gap between the valve stem and the valve body,
resulting in injuries.
A
When installing the unit, securely connect the refrigerant pipes before starting
the compressor
Precautions when using the charge valve (Fig. 4-14)
Calculation of refrigerant charge
Included refrigerant amount when shipped from the factory
Calculation example (Please see the lower half of Fig. 4-1.)
=
=
B
A B
:
:
A
A