Canovate Can BREEZE Series, Operating And Maintenance Instructions Manual

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ZE
Operating and Maintenance Cooling Unit Instructions 8-14 kW l 13
7.1.2 INITIAL CHECK
Indoor unit with proper clearance around it for
operation and maintenance working space, as
shown below
(mm)
Min. 40
Min.400
Min. 500
Min. 8
Min. 300 Min. 300
Check down slope pitch of drain piping is following
the speci fi cation indicate in chapter ‘Drain Piping’
8. DRAIN PIPING
8.1 GENERAL
CAUTION:
- Do not create an upper-slope or rise for the drain
piping, since drain water will fl ow back to the unit
and
leakage to the room will occur when the unit
operation is stopped.
Incorrect: Upward Slope
Incorrect: Risin g Part
INCORRECT
Do not connect the drain pipe with sanitary or
sewage
piping or any other drainage piping.
- When the common drain piping is connected
with other indoor units, the connected position of
each indoor unit must be higher than the common
piping.
The pipe size of the common drain pipe must
be large enough according to the unit size and
number of unit.
Common Drain Piping
1/25~1/100 Down Slope
Drain Piping connection
CORRECT
Drain piping will require insulating if the drain is
installed in a location where condensation forming
on
the outside of drain pipe may drop and cause
damage. The insulation for the drain pipe must
be selected to insure vapor sealing and prevent
condensation forming.