Table of Contents
Advertisement
2. 2. Using an appropriate tube cutter and deburring tool, cut and deburr the refrigerant pipe.
Using an appropriate tube cutter and deburring tool, cut and deburr the refrigerant pipe.
3. 3. Remove the fl are nuts at the stop valve of the outdoor unit and inside the accessory bag of the
Remove the fl are nuts at the stop valve of the outdoor unit and inside the accessory bag of the
indoor unit, put them onto the refrigerant pipe as shown below then fl are the refrigerant pipe
indoor unit, put them onto the refrigerant pipe as shown below then fl are the refrigerant pipe
with a fl aring tool.
with a fl aring tool.
4. 4. When fl aring copper tubing, only use fl aring tools that utilize an orbiting mandrel and clutched
When fl aring copper tubing, only use fl aring tools that utilize an orbiting mandrel and clutched
handle. These are typically referenced as R410A fl aring tools which will create a 45° fl are. By
handle. These are typically referenced as R410A fl aring tools which will create a 45° fl are. By
using this type of fl aring tool, the copper tubing is rolled while being pressed, thereby reducing
using this type of fl aring tool, the copper tubing is rolled while being pressed, thereby reducing
the probability of copper fl are cracking.
the probability of copper fl are cracking.
5. 5. Check if the fl are part is spread evenly and the inside is shiny with no imperfections.
Check if the fl are part is spread evenly and the inside is shiny with no imperfections.
Bending Pipes
Bending Pipes
1. 1. Use a refrigerant pipe bending tool to shape refrigerant piping; smaller diameter piping may
Use a refrigerant pipe bending tool to shape refrigerant piping; smaller diameter piping may
allow for light hand bending, providing minimum diameter of 6 inches.
allow for light hand bending, providing minimum diameter of 6 inches.
2. 2. Do not bend the pipes in an angle more than 90°.
Do not bend the pipes in an angle more than 90°.
3. 3. When pipes are repeatedly bent or stretched, the material will be prone to damage, which may
When pipes are repeatedly bent or stretched, the material will be prone to damage, which may
lead to refrigerant leaks. Do not bend or stretch the pipes more than three times.
lead to refrigerant leaks. Do not bend or stretch the pipes more than three times.
4. 4. Do not bend the pipe while insulated. First, cut the insulation with a sharp cutting tool and
Do not bend the pipe while insulated. First, cut the insulation with a sharp cutting tool and
expose it to the appropriate bend radius, as shown below. After bending the pipe, replace the
expose it to the appropriate bend radius, as shown below. After bending the pipe, replace the
insulation and seal it with pipe wrap tape.
insulation and seal it with pipe wrap tape.
17 Series Mini-Split
Advertisement
Table of Contents
