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HTW PREMIUM R32 Manuel De L'utilisateur Et D'installation page 55

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  • FRANÇAIS, page 68
Fig.18
As the inside of the unit is in the negative pressure status, it is required to set
up a backwater elbow. The requirements is: A=B;::: P/10+20(mm)
P is the absolute pressure inside the unit. The unit of the pressure is Pa.
8. When using the drain port on the right side of the unit,
reinstall the drain cap to the left side drain port.(Fig.19)
� CAUTION!
Always check that the drain cap is installed to the unused drain
port and is fastened with the nylon fastener. lf the drain cap is
not installed, or is not sufficiently fastened by the nylon fastener,
water may drip during the cooling operation.
9. Be sure to insulate where the drain port and the drain hose is connected.(Fig.20 )
1 O. The unused drain port also should be insulated properly.(Fig.21)
11. There is adhesive on one side of the insulation so that after removing the protective paper
Dra
over it the insulation can be directly attached to the drain hose.
Drain
lnsulated drain hose
Fig.20
b. Testing of Drain Piping
After piping work is finished, check if drainage flows
smoothly.
As shown in the figure, add approximately 1 liter of
water slowly into the drain pan and check drainage
flow during COOL running.
Condensate Drain pipe \
u,;t
a
.
- -
0mm
I •
,
ora;, hose ;,solatioa
T
Drain
Air outlet
Portable pump
Bucket
19
Enlarged View
Condensate Drain pipe
0
�ncap
Fastener
Fig.19
U
lt
-
a
cap
• I _ omm
Fig.21
'
Fig.22

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