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1
Drainage Work
Follow the procedure below to ensure adequate draining for the outdoor unit.
•
For the drain port dimensions, see Figs. 1-12-1, -2, -3, -4.
•
Ensure a base height of 15 cm or more at the feet on both sides of the unit.
•
When using a drain pipe, install the drain socket (optional parts SPW-C256VH : STK-DS13U, all models
excluding SPW-C256VH : STK-DS25T ) onto the drain port. Seal the other drain port with the rubber cap
supplied with the drain socket.
•
For details, refer to the instruction manual of the drain socket (optional parts SPW-C256VH : STK-DS13U, all
models excluding SPW-C256VH : STK-DS25T ).
Routing the Tubing and Wiring
For SPW-C256VH
•
Refer to Fig. 1-12-1, -2 for SPW-C256VH.
For all models excluding SPW-C256VH
•
The tubing and wiring can be extended out in 4 directions: front, rear, right, and down.
•
The service valves are housed inside the unit. To access them, remove the inspection panel.
(To remove the inspection panel, remove the 3 screws, then slide the panel downward and pull it toward you.)
(1) If the routing direction is through the front, rear, or right, use a nipper or similar tool to cut out the knockout holes
for the inter-unit control wiring outlet, power wiring outlet, and tubing outlet from the appropriate covers A and B.
(2) If the routing direction is down, use a nipper or similar tool to cut out the lower fl ange from cover A.
(Fig. 1-13)
Inter-unit control wiring
outlet
Inspection panel
Cover A
Power wiring outlet
Fig. 1-13
CAUTION
•
Route the tubing so that it does not contact the compressor, panel, or other parts inside the unit.
Increased noise will result if the tubing contacts these parts.
•
When routing the tubing, use a tube bender to bend the tubes.
•
In cold-weather regions, in order to prevent drainage water from freezing, do not install the drain socket
cap. Also take steps to prevent water from accumulating around the unit.
Rear
Cover B
Right
Front
Down
Tubing outlet
1-352
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