2. INDOOR UNIT INSTALLATION
7
GB-9
Pipe clamp
Indoor unit
Flexible hose
Drain hose connection port
(O.D.:
Φ
25)
PVC water
pipe
PVC adhesive
Drainpipe connection
Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space 1.0~1.5m.
Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.
Do not install the drainpipe to upward position. It may cause water flow back to the unit.
If the unit has built-in drain pump, ceiling installation is requested.
Remove the cover of the drain hose connection port
Insert the flexible hose (field supply,I.D.:
Φ
25) to the drain hose port. Fix it to the indoor unit with pipe clamp
(field supply) securely.
Install the flexible hose to the PVC water pipe securely with PVC adhesive. Wrap the drain hose with the
insulation materials.
20mm
Lean over 1/100 ~ 2/100
Drain hose
Refrigeration pipes
2.2.3 Piping and drainage outlet for ceiling installation
Piping connection ports
(Gas side and liquid side)
Drain hose connection ports
NOTE:
The position of drain pipe interface can be selected
according to installation position. During the adjustment
of drain hose,the unsed interface should be sealed be
rubber plug.
Piping outlet
Cables outlet
Drain hose outlet
Drain hose outlet
2.2.4 Install the drain pipe for ceiling installation
Lean over 1/100
1.0-1.5m
Control box
