Johnson Controls R SERIES Installation And Maintenance Manual page 33

√ (Correct) 1/100 or more gradient
(5) The incline of attached condensate hose should be 75mm (3inch) or less so that the drain
outlet does not have to withstand additional force.
2.3.11 Testing of Condensate Piping
After piping work is finished, check if drainage flows freely. Shown in the Figure 3-1-61, add
approximately 1liter of water slowly into the condensate pan and check drainage flow during COOL
running.
Drain vent for repair use (plastic stopper
is included)
waterspout by this outlet vent)
Above 100mm(3-7/8inch)
1~1.5m(3-2/7~5feet)
Figure 3-1-59
Condensate hose(attachment)
Figure 3-1-60
(drain the water in
<Limiting water from the outlet vent terminal>
Figure 3-1-61
25
Condensate hose
Test hole
<Limiting water from the rest of hole>
Plastic water pot [The length of
the pipe should be about
100mm(3-7/8inch)].
× (wrong )
Test hole cover