11-1
TUBING CONNECTIONS
Revision Y06-01
Service Manual - LEX
11. TUBING
CONNECTIONS
TUBE (Inch)
TORQUE (Nm)
¼”
⅜”
½”
⅝”
¾”
Flare Nuts
11-13
40-45
60-65
70-75
80-85
Valve Cap
13-20
13-20
18-25
18-25
40-50
Service Port Cap
11-13
11-13
11-13
11-13
11-13
1. Valve
Protection
Cap-end
2. Refrigerant Valve Port (use Allen wrench to open/close)
3. Valve
Protection
Cap
4. Refrigerant
Valve
5. Service
Port
Cap
6. Flare
Nut
7. Unit Back Side
8. Copper
Tube
When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction
line at the lowest point of the riser. Incase the indoor unit is installed above the outdoor, no trap is
required.
