180
11.14.7 REGARDING REFRIGERANT FILLING
This unit is charge-free and does not require additional filling of refrigerant. Exercise precaution during refilling due to
refrigerant leakage.
Precautions during refrigerant filling
•
Ensure to fill only with liquid refrigerant when
refilling.
If gas refrigerant is filled, the refrigerant
composition will not be balanced and will cause
abnormal operation.
Cylinder with
a siphon tube
Liquid refrigerant
Siphon tube
•
If using cylinders as shown in the bottom left
diagram; without a siphon tube inside, turn it
upside down and use it.
(It is recommended to use the manifold with the
side glass.)
Cylinder
Cylinder
Gas refrigerant
Possible
Not possible
Liquid refrigerant
•
Use tools that are designed specifically for R410A, for pressure resistance and to prevent mixing impurities.
•
Fill the refrigerant from the 3-way valve’s service port on the liquid-side.
For filling and replacing all refrigerant (For refilling due to a leak)
•
For refilling refrigerant, first collect all residual refrigerant and after vacuum dehydration using the vacuum pump.
Refill the refrigerant according to the prescribed amount stated on the placard affixed to this unit.
Precautions after the pipes’ connection have completed
•
Ensure to open the 3-way valve after completing the piping installation. If it is closed during operation, it can lead
to compressor failure.
Summary of Contents for S-32NA1E5
Page 4: ...4 23 6 Heating 430 24 Exploded View and Replacement Parts List451 24 1 Indoor Unit 451 ...
Page 12: ...12 ...
Page 40: ...40 4 1 2 S 56KA1E5 S 63KA1E5 S 71KA1E5 ...
Page 42: ...42 4 3 95 x 95 Cassette Type Indoor Unit 4 3 1 S 63UA1E5 S 71UA1E5 S 90UA1E5 ...
Page 44: ...44 4 5 Low Static Pressure Hide Away Type Indoor Unit 4 5 1 S 45MA1E5 S 56MA1E5 ...
Page 45: ...45 4 5 2 S 63MA1E5 S 71MA1E5 S 90MA1E5 ...
Page 51: ...51 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 52: ...52 7 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 53: ...53 7 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 54: ...54 7 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 55: ...55 7 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 56: ...56 7 6 Outdoor Unit LA1E5 Series ...
Page 57: ...57 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series ...
Page 58: ...58 ...
Page 59: ...59 8 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series ...
Page 60: ...60 ...
Page 61: ...61 8 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series ...
Page 62: ...62 ...
Page 63: ...63 8 4 Slim Hide Away Type Indoor Unit NA1E5 Series ...
Page 64: ...64 ...
Page 65: ...65 8 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series ...
Page 66: ...66 ...
Page 67: ...67 8 6 Outdoor Unit LA1E5 Series ...
Page 68: ...68 ...
Page 70: ...70 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE ...
Page 74: ...74 9 6 Outdoor Unit LA1E5 Series 9 6 1 Main PCB ...
Page 76: ...76 9 6 3 Capacitor PCB DCN IN DCN OUT DCP IN DCP OUT ...
Page 195: ...195 ...
Page 201: ...201 ...