Torque Table - Emerson Quiet Kool 18 SEER Serie Manual Del Usuario

Installation Instructions
3. Piping Connections to Outdoor Unit
Remove service valve cover( if provided) to access the service
valves and refrigerant ports.
Carefully bend and adjust length of refrigerant pipes to meet
outdoor unit service valves connection with proper tools to
avoid kinks.
Apply a small amount of refrigerant oil to the flare connection
on the refrigerant pipe.
Properly align piping and tighten flare nut using a standard
wrench and a torque wrench as shown in the indoor piping section.
Carefully tighten flare nuts to correct torque level referring to the
following Torque Table:
Pipe diameter
/inch(mm)
1/4(6.35)
3/8(9.5)
1/2(12.7)
5/8(15.9)
3/4(19)
Note: Over tightening may damage flare connections and cause leaks.

Torque Table

Nut Size
/inch(mm)
1/4(17)
3/8(22)
1/2(25)
5/8(29)
3/4(32)
15
Tightening Torque
ft-lbs
11 to 15
22 to 26
37 to 41
44 to 48
52 to 55
Service
Valve Cover
N-m
15 to 20
30 to 35
50 to 55
60 to 65
70 to 75