ION SYST0101CW Installation Instructions Manual page 15

5.4.1. Hydronic Heat Application
The Ion System Control supports two types of Hydronic Heat applications:
1. Hot water coil in combination with an FCM4 fan coil and heat pump, or hot
water coil as sole heat source with an FCM4 fan coil.
2. Non-zoned FE fan coil combined with radiant hot water heat.
In either application, a Hydronic Heat kit should be installed in place of an electric heater. See
FCM4 fan coil Product Data for accessory part number. The system will self-identify that
hydronic heat has been installed during electric heater selection. The system will treat the hot
water coil as either auxiliary heat in a heat pump application, or the sole heat source. Setup
options for Hydronic Heat applications are described in the setup section of this instruction.
NOTE: The daily airflow verification test will take place even when the radiant hydronic heat
option is selected.
5.5. Searching for Zones (If Applicable)
NOTE: This feature is only available with specific ICP communicating indoor units. See the
Ion System Control Product Data for compatible units and more information.
"Zoning - Searching" will appear on the screen to determine if any zones are present. The
screen will show Zone 1, Zone 2, etc. and indicate all zones having either a Remote Room
Sensor, or smart sensors (when available) associated with them. After each zone has been
identified, touch NEXT.
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