Unit Control
4.2 Requirements on Installation of the Water Trap (Collector)
(1) The water trap (collector) should be installed on the wall or inside the special box. For housing
constructions, it is generally installed in the kitchen.
(2) The valve for the water trap (collector) should be installed horizontally and keep a distance of at
least 300mm to the ground.
(3) The water supply valve should be installed upstream of the water trap (collector) and the return
valve should be installed downstream of the water trap (collector).
(4) A filter is required upstream of the water trap (collector).
5 Section of FCU
5.1 FCU Type Selection
The air-water fan coil unit is optional for Versati units.
5.2 Matching of Capacity
Load of the FCU is better to be between 70%~120% of the Versati unit.
Notes:
①
When load of the FCU is too small, the unit would start/stop frequently, which is adverse for oil
return.
②
When load of the FCU is too large, the unit would always run under high frequency, which is
unhelpful for energy conservation.
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