AERMEC FCL Series - Page 44

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Types of machine
The configuration of the cassette machines in fan coil mode is shown below.
Cassette fan coil (FCL)
From the control point of view, the machine logic involved can be traced to the cases indicated in
the figures, and are the 2-pipe and 4-pipe cassettes and those with supplementary or replacement
electric heater and any water control probe up line or down line from the valve. There are four
possible configurations represented below.
2-pipe fan coil,
with water probe (optional)
up line from the valve or on the coil
Key:
SA ambient probe
SW water probe
VHL solenoid valve (Hot/Cold)
4-pipe fan coil,
with hot water probe (optional)
up line from the valve or on the coil
Key:
SA Ambient probe
SW Water probe
VHL Cold valve
VHL1 Hot valve