Maintenance 4
2. Refrigerant Recharge
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Procedure:
1.
Close both 2- and 3-way valves.
2.
Slightly connect the Handle Lo charge hose to the
3-way service port.
3.
Connect the charge hose to the valve at the bottom
of the cylinder.
4.
If the refrigerant is R410A/R32, invert the cylinder to
ensure a complete liquid charge.
5.
Open the valve at the bottom of the cylinder for 5
seconds to purge the air in the charge hose, then fully
tighten the charge hose with push pin Handle Lo to
the service port of 3-way valve..
6.
Place the charging cylinder onto an electronic scale
and record the starting weight.
7.
Fully open the Handle Lo manifold valve, 2- and
3-way valves.
8.
Operate the air conditioner in cooling mode to charge
the system with liquid refrigerant.
9.
When the electronic scale displays the correct
weight (refer to the gauge and the pressure of the
low side to confirm, the value of pressure refers to
chapter Appendix), turn off the air conditioner, then
disconnect the charge hose from the 3-way service
port immediately..
10.
Mount the caps of service port and 2- and 3-way
valves.
11.
Use a torque wrench to tighten the caps to a torque
of 18 N
.
m.
12.
Check for gas leakage.
Содержание U6MRS32-18
Страница 1: ...SERVICE MANUAL ENGLISH AIR CONDITIONING SYSTEMS LCAC...
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Страница 5: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...
Страница 11: ...Contents 1 Model Reference 2 2 External Appearance 3 Model Reference...
Страница 13: ...Model Reference 3 2 External Appearance 2 1 Indoor Unit Compact Four way Cassette A6 Duct Floor Ceiling...
Страница 14: ...Model Reference 4 2 2 Outdoor Unit Outdoor Unit...
Страница 18: ...IDU Compact Cassette 4 2 Dimensional Drawings...
Страница 20: ...IDU Compact Cassette 6 4 Service Place...
Страница 23: ...IDU Compact Cassette 9 Heating airflow velocity distributions Heating temperature distributions...
Страница 25: ...IDU Compact Cassette 11 Heating airflow velocity distributions Heating temperature distributions...
Страница 49: ...IDU A6 Duct 8 6 Fan Performance 18K...
Страница 50: ...IDU A6 Duct 9 Constant air volume...
Страница 67: ...IDU Floor Ceiling 4 3 Part names Air inlet Display panel Air outlet grille Louver Installation part...
Страница 68: ...IDU Floor Ceiling 5 4 Service Place 35mm 1 38in 1m 3 28ft 35mm 1 38in 35mm 1 38ch...
Страница 93: ...Outdoor Unit 3 Panel Plate B30...
Страница 94: ...Outdoor Unit 4 Panel Plate BA30...
Страница 95: ...Outdoor Unit 5 Panel Plate CA30...
Страница 96: ...Outdoor Unit 6 Panel Plate D30...
Страница 97: ...Outdoor Unit 7 Panel Plate E30...
Страница 98: ...Outdoor Unit 8 Panel Plate 590...
Страница 99: ...Outdoor Unit 9 2 Service Place...
Страница 110: ...Wiring Diagrams Outdoor unit wiring diagram 16022000022493...
Страница 111: ...Outdoor unit printed circuit board diagram 17122000002718...
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