ION SYST0101CW Installation Instructions Manual page 59

*NOTE: For gas furnaces, use the communicationbus "R" connection
for best results. Using the thermostat "R" connection will cause an
extraneous "G Input" alert when limit switches open. This is not normally
a problem when using the normally open configuration on the previous page.
9. Statement Information
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) This device must accept
any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
9.1. FCC Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
G Input Wiring for System Shutdown
R*
FCM4 Fan Coil or
ICP Communicating
Gas Furnace
G
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