Gree NCHS1D Owner's Manual page 30

(5) The side of drainage hose must be bigger than or equal to the size of drainage piping.
(6) Install the drainage hose according to below figure and then perform thermal insulation for it.
Incorrect installation may lead to leakage and then moisten indoor furniture and other objects.
(7) Purchase the normal hard PVC pipe at local market as for the drainage pipeline. Insert the
end part of PVC pipe into the drainage hole, and then tighten it with drainage hose and cable
tie. Do not use adhesive glue to connect drainage hole and drainage hose.
(8) When the pipeline is used for multiple units, the position for the common pipeline should be
lower than the drain outlet of every unit 100m. In this case, thick pipes should be adopted.
4.3.2 Drainage Pipe Installation
(1) Insert the drain hose into the drain hole and tighten it with tapes, as shown in Fig.4.3.2. Model
with water pump will be provided with drain hose, while other models please prepare the drain
hose by yourself.
(2) Tighten the pipe clamp to make the distance between screw cap and hose less than 4mm.
(3) Perform thermal insulating for Pipe clamp and hose with gasket. (Perform the thermal
insulation after the drainage system test is finished). See Fig.4.3.3.
(4) When multiple drainage pipes are connected together, connection pipes as shown in
Fig.4.3.4 or Fig.4.3.5.
Fig.4.3.1
Fig.4.3.2
Fig.4.3.3
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GMV6 HR Mode Exchange Box
Unit：mm