Haier MVAB009MV2AA Service Manual page 22

• For proper drainage, the drainpipes should be connected according to the installation manual.
• Insulate the drainpipes to prevent exterior condensation.
• Follow local plumbing codes when connecting drainpipes.
Requirements:
• The drainpipe of the indoor unit should be insulated.
• Maintain a downward slope. Avoid waves or dips.
• The horizon length of the drainpipe should be kept with 65.6ft(20m). Under the condition of long pipes, supports
can be provided every 4.9-6.6ft(1.5~2m) as to avoid unevenness.
• The central piping should be connected according the following drawing.
• Take care not to apply external force on the connection of the drainpipes.
4.9-6.6ft(1.5m~2m)
heat
down gradient
insulating
over 1/100
material
Piping Material 1-1/4 inch sch. 40 PVC
Insulating Material 1/4 inch thick Polyethylene wrap.
Drain Hose
Attach the soft end of the drain hose to the drain port with clamp. The hard end is 1-1/4 PVC. Use glue to attach
condensate drain line.
eccentricity adjustment max.0.78in(20mm)
Insulation Wrap:
• All exposed drain pipe needs to be insulated to prevent condensation buildup and possible water damage.
Lifting Drainpipe
The drainpipe can be maximally lifted 24in (360mm) to provide adequate slope to drain water.
support bracket
45°bending (max.)
Hose clamp
Water outlet
Attention
Pipe should drop 3.9in (10cm)
No waves or dips
hose clamp
Hose
PVC pipe
Rigid PVC adhesive
20
VP30
down gradient
over 1/100
hose clamp
hose
indoor unit
hose