Advertisement
Fan Coil Unit One-Way Cassette Type
of the water inlet and outlet depends on the location of the water connection and/or the used
valves.
Below showed Fig. indicate the connection of a 2-way valve and 3-way valve to the units.
2-Way valve
NOTE!
-
In case of installation with motorized valve, it is necessary to short-connect the
connection port S6 on unit PCB; (If no motorized valve, then S6 should be open/cut off)
5.6.3 Water inlet/outlet pipe connection
-
Connect the chilled water pipe to coil pipe by using 3/4" external thread connecter.
-
Distinguish the inlet/outlet water according to the sign on the unit.
-
Heat preservation must be used for the chilled water pipe, and pay attention to the end side
management of insulate material.
5.6.4 Condensate water pipe connection
-
Condensate pipe diameter shall be equal or larger than that of the fitxting of the unit. (Size:
20mm)
-
Drain pipe should be short, with a downward slope at least 1/100 to prevent air bag from
happening.
-
If downward slope can't be made, take other measures to lift it up.
-
Keep a distance of 1-1.5m between suspending brackets, to make water hose straight.
*Indicative fig of 2 pipe system
19
3-Way valve
Advertisement
Troubleshooting
