Air Duct Connection
1. Circulatory air pressure drop should be within External Static Pressure.
2. Galvanized steel air ducts are suitable.
3. Make sure there is no leak of air.
4. Air duct should be re-proof, refer to concerned country national and local regulations.
Pipe Connection
1. Using suitable ttings as water pipe connections with reference to the outline and dimensions.
2. The water inlet is on the bottom while outlet on top.
3. The connection must be concealed with rubberized fabric to avoid leakage.
4. Drain pipe can be PVC or steel.
5. Tightening torque should not be too high when connecting water pipes, in order to avoid brass deformation or
water-leakage by torsion split.
6. The suggested slope of the drain pipe is at least 1:50.
Wiring
1. Wiring connection must be done according to the wiring diagram on the unit.
2. The unit must be GROUNDED well.
3. An appropriate strain relief device must be used to attach the power wires to the terminal box.
4. A 7/8” hole is designed on the terminal box for eld installation of the strain relief device.
5. Field wiring must be complied with the national security regulations.
6. A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in
the xed wiring in accordance with the relevant local and national legislation.
A
DISCHANGE AIR
RETRUN AIR
CEILING ACCESS PANEL
CEILLING
WITH AIR RETRUN
L
M
N
NOTE:
Dimension M and N was
determined by air duct design, air
duct should be fire-proof, refer to
concerned country national and
local regulations.
Circulatory air pressure drop should
be approximately equal to the
External Static Pressure.
≥300mm
:$7(5,1/(7
:$7(5287/(7
Fig. 2
WITH AND WITHOUT PLENUM FORM:
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