DC Inverter U-match Series Cassette Type Unit
23
Fig. 4.27
(2). Secure a downward gradient of 1/100 or more for the drain pipe. To
accomplish this, mount supporting brackets at an interval of 1~1.5m
(3~5feet).
Fig. 4.28
4.5.4 Testing of Drain Piping
After piping work is finished, check if drainage flows smoothly.
Shown in the Fig. 4.30, Add approximately 1liter/quart of water slowly into the
drain pan and check drainage flow during COOL running.
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