-74-
Design & installation Guide For McQuay MDS Multi System
4.1.3 High static pressure duct unit
■ In order to keep the unit runs in a good condition, the air inlet port should be at least 3m.
■ Soft connecting joint should be used to reduce the sound level and the vibration.
■ Condensated water pipe should have a slope with no less than 0.5%~1%, and it must be
insulated.
■ Condensate water pipe should have a trap. The trap should be PVC pipe, and the diameter of the
trap should be more than or equals to that of the condensated water pipe.
■ If the unit installed in the ceiling, the condensated water pipe must connected to drainage pipe;
and if it installed on the floor, then the condensated water can drain to the drainage pipe directly.
■ The installation of MDB unit, electric heater, hot water heating and ME energy saver are as
follows: