Install The Drain Pipe; Drainpipe Connection; Drainage Test - Carrier 42QSS009DS Serie Manual De Instalación

2. INDOOR UNIT INSTALLATION

2.4 INSTALL THE DRAIN PIPE

Remove the cover of the drain hose connection port
Insert the flexible hose (field supply,I.D.:Φ25) to the drain hose port. Fix it to the indoor unit with pipe clamp
(field supply) securely.
Install the flexible hose to the PVC water pipe securely with PVC adhesive. Wrap the drain hose with the
insulation materials.
Drain hose connection port (O.D.:Φ25)

2.4.1 Drainpipe connection

For unit without the drain pump
Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space 1.0~1.5m.
Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.
Do not install the drainpipe to upward position. It may cause water flow back to the unit.
For unit with the drain pump
The drain pipe should be install within 200mm from the flexible hose and then install horizontal drainpipe with
a slope of 1/00 or more and fix it by hanger space of 1.0~1.5m.
The flexible hose should not be installed upward position; it may cause water flow back to the indoor unit.

2.4.2 Drainage test

Unit without Pump
Conduct the drainage test before making the duct connection
Gradually insert about 2 liters of water into the drain pan indoor unit with stow tube.
Check and confirm the water flows out through the drain hose.
Check the drain water drops at the end of the drain pipe.
Make sure there is no water leak at the drainage
GB-9 7
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Indoor unit
Pipe clamp Flexible hose
＜200mm
Unit without pump
Stow tube
PVC water pipe
PVC adhesive
1.0-1.5m
Lean over 1/100
1.0-1.5m
Lean over 1/100