Coupler HVAC: Service and Repair

REMOVAL
1. Clean piping connection point and set a disconnector.
2. Slide disconnector in axial direction of piping and stretch garter spring with tapered point of disconnector.
3. Slide disconnector farther so that inside diameter of garter spring becomes larger than outside diameter of female-side piping flare. Then male-side piping can be disconnected.




INSTALLATION
1. Clean piping connection points and insert male-side piping into female-side piping.
2. Push inserted male-side piping harder so that female-side piping flare stretches garter spring.
3. If inside diameter of garter spring becomes larger than outside diameter of female-side piping flare garter spring seats on flare. Then it fits in between male-side piping cage and female-side piping flare to anchor piping connection point.

NOTE: When garter spring seats on flare and fits in between male-side piping cage and female-side piping flare it clicks.

CAUTION:
- Female-side piping connection point is thin. So, when inserting male-side piping, take care not to deform female-side piping. Slowly insert it in axial direction.
- Insert piping securely until a click is heard.
- After piping connection is completed, pull male-side piping by hand to check that connection does not come loose.

NOTE: One-touch joint connection is used in points.

- Low-pressure flexible hose to low-pressure pipe 1 (Dia 16)
- High-pressure flexible hose to condenser (Dia 12)
- High-pressure pipe 1 to evaporator (Dia 8)
- High-pressure pipe 1 to condenser (Dia 8)