Emerson Quiet Kool 21 SEER Series Installation Manual page 67

Installation Instructions
WARNING
Florida wind load requirements state that outdoor unit must be anchored to
concrete pad using four 3/8-in diameter power wedge bolt plus(or equivalent)
with 1-in diameter fender washers. Anchor bolts must be embedded into
3000 PSI minimum concrete at a distance of 4 1/2- in from any concrete edge.
The concrete thickness must exceed 1.5 times the anchor depth.
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)
9
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