Installation of Indoor Unit
Installation Manual
21
ENGLISH
STEP 5: Testing
• Compare the edging of the pipe with the picture below.
• In the case of damaged edging, cut the part off and repeat the edging procedure.
Connecting the refrigerant pipe on the indoor unit
STEP 1: Determine the direction of the pipe connection
• The refrigerant pipe connections are located at the top of the unit. Please refer to the device draw-
ing for additional information.
STEP 2: Mounting
• Align with the middle of the pipe and then tighten the screw nut by hand.
• Tighten the screw nut with a torque wrench until it clicks. Prescribed torques for tightening:
External diameter
Torque
[mm]
[inch]
[Nm]
9.52
3/8
34 – 42
15.88
5/8
65 – 81
1
Circular edging of the pipe of the
same length.
2
Circularly smooth edge
3
Interior edge and surface without
scratches
4
Inclined edge
5
Uneven surface
6
Cracked / rough
7
Unequal thickness
1
Torque key
2
Counter key
1,MFL69676201,영영 2017. 3. 8. 영영 3:06 Page 21
