Si21-205
Outdoor Unit (50/60 class)
Removal Procedure
307
4.7
Removal of the Electronic Expansion Valve
Procedure
Warning
Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step
Procedure
Points
1
Remove the electronic
expansion valve coil.
2
Remove the sheets of
putty.
Before working,
make sure that the
refrigerant is empty
in the circuit.
3
Heat up the two brazed
parts of the electronic
expansion valve and
disconnect.
Be sure to apply
nitrogen
replacement when
heating up the
brazed part.
Caution
Be careful about the
electronic expansion valve,
pipes and so on, which were
heated up by a gas brazing
machine, so as not to get
burnt your hands.
Warning
Ventilate when refrigerant
leaks during the work.
(If refrigerant contacts fire, it
will cause to arise toxic gas.)
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...