Rotenso J100Wi, Service Manual

Page: 74 / 132

LCAC R32 Series
74 Service manual
6.2.6 Water storage pipe setting
• If the indoor unit has high extra static pressure and without water pump to elevate the condensate water,
such as high extra static pressure duct unit , the water storage pipe should be set to avoid converse flow or
blow water phenomena.
Indoor unit
More than 50mm
More than 25mm
Plug
Water storage pipe
Flexible pipe 300mm
Hanger
A
A:Length of horizontal pipe
≤
150mm
B: Lift height
≤
the pump head of water pump
Down incline pipe
B
6.2.7 Lifting pipe setting of indoor unit with water pump
• The length of lifting pipe should not exceed the pump head of indoor unit water pump.
Pump head of big four way cassette: 750mm
Pump head of compact four way cassette: 500mm
• The drainage pipe should be set down inclined after the lifting pipe immediately to avoid wrong operation
of water level switch.
• Refer the following picture for installation reference.
PART 4. INSTALLATION