Different Atmosphera Configurations - Carrier Atmosphera 42EM Series Manual

5 - DIFFERENT ATMOSPHERA CONFIGURATIONS

Each Atmosphera can be fitted with one or two on/off valves
(two or three port) and flexible water pipes, depending on the
coil configuration.
a) The Atmosphera is equipped with a multi-speed fan
motor and a 3-row coil for cooling (2-pipe system).
Operates in "cooling" mode only
This option includes a 2-port on/off valve and two insulated
flexible water pipes.
b) The Atmosphera is equipped with a multi-speed fan
motor and a 3-row coil for cooling and heating (2-pipe
system with changeover).
Operates in cooling or heating mode: heat pump type
applications.
This option includes a 3-port on/off valve, a heating/cooling
changeover switch and two insulated flexible water pipes.
c) The Atmosphera is equipped with a multi-speed fan
motor and a 3-row cooling coil and 1-row heating coil (4-
pipe system).
Operates in cooling or heating mode as required.
This option includes two 2-port on/off valves, and two
insulated and two uninsulated flexible water pipes.
d) The Atmosphera is equipped with a multi-speed fan
motor and a 3-row cooling coil and an electric heater (2-
pipe, 2-wire system).
Operates in sequenced cooling or electrical heating mode.
This option includes a 2-port on/off valve, and two insulated
flexible water pipes.
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