Singer SNG21-09IVi, User Manual, Page: 91 / 112

91
GB
Note:
§
Pay attention to dust prevention and take
relevant safety measures when opening the
hole.
§
The plastic expansion particles are not provided
and should be bought locally.
Step four: Outlet pipe
1. The pipe can be led out in the direction of
right, rear right, left or rear left.
2. When select leading out the pipe from left
or right, please cut off the corresponding
hole on the bottom case.
Step fi ve: Connect the pipe of indoor unit
1. Aim the pipe joint at the corresponding
Bellmouth.
2. Pretightening the union nut with hand.
3.
Adjust the torque force by referring to the
following sheet. Place the open-end wrench
on the pipe joint and place the torque wrench on the union nut. Tighten the
union nut with torque wrench.
Φ 55/
Φ 70
5–10°
indoor outdoor
rear left
rear right
right
cut off the
hole
left
left
right
pipe joint union nut
pipe
torque wrench
indoor pipe
pipe
union nut
open-end
wrench
Hex nut
diameter
tightening
torque ( Ν -m)
1/4’’ 15~20
3/8’’ 30~40
1/2’’ 45~55
5/8’’ 60~65
3/4’’ 70~75