31
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SUPPLEMENT ON DRAIN PIPING
1. Drain hose installation
* After checking the drainage, wrap the supplied packing and drain pipe insulator around the pipe.
NOTE
There is possibility to cause water leakage unless the above steps are carried out.
2. Checkpoint after installation
After installation of indoor and outdoor units, panels and electrical wiring, check the following items.
Checkpoint Symptom
Check
Remark
1 Are indoor and outdoor units correctly installed?
Fall, vibration, noise
2 Is gas leakage tested?
No cooling, no heating
3
Is insulation completed?
(Refrigerant piping and drain piping)
water leakage
4 Is drain water running smoothly?
water leakage
5 Does the power voltage meet the nameplate?
Inoperative, burnout
6 Is there miswiring or incorrect connection?
Inoperative, burnout
7 Is the ground construction completed?
Ground leakage
8
Is the wire gauge followed by the recommended
specifications?
Inoperative, burnout
9
Are the air intake and air outlet of the indoor and
outdoor units sealed by any obstacles?
No cooling, no heating
Drain port
Indoor unit
Indoor unit
Drain port may possibly be damaged
if polyvinyle chloride adhesive is used.
*
Apply approx. 2g of the adhesive on both sides of the
supplied drain hose with a joint socket and hard PVC pipe.
Wipe off the protrusion-adhesive with a soft cloth.
*
However, do not use the hard
PVC pipe joint allowable more
than 55mm insertion.
*
Do not use adhesive here.
20mm or more
5mm
57mm
Align the hose band with end of the hose and
tighten so that it does not contact the bead.
(Torque 2.5 - 3.4N.m)
Adhere with polyvinyle chloride adhesive.
Hose band
Bead
Bead
Packing (supplied)
Drain insulator (supplied)
Note:
Be sure to tightly insert the hard
PVC pipe joint (including elbow)
minimum 20mm or more.
Soft polyvinyle chloride socket
Drain hose
Hard PVC socket (VP25)
Hard PVC pipe
(VP25 field supplied)
(supplied)
(Drainage check section
on drain port, transparent,
ABS resin)
(supplied)
Drain port
Indoor unit
Indoor unit
Drain port may possibly be damaged
if polyvinyle chloride adhesive is used.
*
Apply approx. 2g of the adhesive on both sides of the
supplied drain hose with a joint socket and hard PVC pipe.
Wipe off the protrusion-adhesive with a soft cloth.
*
However, do not use the hard
PVC pipe joint allowable more
than 55mm insertion.
*
Do not use adhesive here.
20mm or more
5mm
57mm
Align the hose band with end of the hose and
tighten so that it does not contact the bead.
(Torque 2.5 - 3.4N.m)
Adhere with polyvinyle chloride adhesive.
Hose band
Bead
Bead
Packing (supplied)
Drain insulator (supplied)
Note:
Be sure to tightly insert the hard
PVC pipe joint (including elbow)
minimum 20mm or more.
Soft polyvinyle chloride socket
Drain hose
Hard PVC socket (VP25)
Hard PVC pipe
(VP25 field supplied)
(supplied)
(Drainage check section
on drain port, transparent,
ABS resin)
(supplied)
Airwell̲PAC-i̲eng.indb 31
Airwell̲PAC-i̲eng.indb 31
2009/07/09 16:13:27
2009/07/09 16:13:27
Summary of Contents for OU-PSINV-25HR
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