Condensate Drainage - York YKCA 18 Installation & Owner's Manual

CONDENSATE DRAINAGE

INSTALLATION
The units are fitted with an internal condensate drainage pump the unit. Drainage piping connected to the unit must
be installed with a downwards slope without any rises.
Drain piping work
• Drain pipe must be in downward gradient for smooth
drainage.
• Avoid installing the drain pipe in up and down slope
to prevent reversed water flow.
• During the drain pipe connection, be careful not to
exert extra force on the drain connector at indoor unit.
• Be sure to execute heat insulation (polyethylene foam
with thickness more than 8.0 mm.) on the drain piping
to avoid the condensed water dripping inside the room.
Drain test
• Connect the main drain pipe to the flexible drain hose.
• Feed water from flexible drain hose to check the piping
for leakage.
• When the test is completed, connect the flexible drain
hose to the drain connector on the indoor unit.
NOTE
THIS INDOOR UNIT USES A DRAIN PUMP FOR CONDENSED WATER DRAINAGE. INSTALL THE
UNIT HORIZONTALLY TO PREVENT WATER LEAKAGE OR CONDENSATION AROUND THE AIR
OUTLET
CAUTION (MULTIPLE CASSETTE UNIT INSTALLATIONS)
When a common drainage line is required, the connection point of each unit to the line must be higher than the line
itself. The diameter of a common drainage line must be sufficient to accommodate the condensate flow from the
units connected to it.
Indoor unit
Pipe clamp
GOOD
Feed water
Flexible
drain hose
Verification of condensate water drainage:
Fill the drain pan and observe evacuation.
YORK INSTALLATION & OWNER'S MANUAL (EN) 035M80090-000
BAD
Main drain
pipe
15
ENGLISH