Singer SNG21-09IVi User Manual page 98

Note: The wiring board is for reference only. Please refer to the actual one.
2. Fix the power connection wire and signal control wire with wire clip (only for
cooling and heating unit).
Note:
§
After tightening the screw, pull the power cord slightly to check if it is fi rm.
§
Never cut the power connection wire to prolong or shorten the distance.
Step six: Neaten the pipes
1. The pipes should be placed along
the wall, bent reasonably and hidden
possibly. Min. semidiameter of bending
the pipe is 10 cm.
2. If the outdoor unit is higher than the wall
hole, you must set a U-shaped curve in
the pipe before pipe goes into the room,
in order to prevent rain from getting into
the room.
Note:
The trough-wall height of drain hose should be higher than the outlet pipe hole
of indoor unit.
The water outlet cannot be placed in water in order to drain smoothly.
The water outlet cannot be placed in
water
Slant the drain hose slightly downwards. The drain hose cannot be curved,
raised and fl uctuant etc.
U shaped curve
The drain hose cannot raise upwards
98
wall
drain hose
GB