Honeywell PRESTIGE THX9321 - Manual (Page 24)

THX9321 PRESTIGE ® 2.0 AND THX9421 PRESTIGE ® IAQ WITH EIM
68-0311—02 24
2010 Heating Equipment
Type
Conventional Forced Air Heat:
Standard Efficiency Gas Forced Air
High Efficiency Gas Forced Air
Oil Forced Air
Electric Forced Air
Hot Water Fan Coil
Other
Heat Pump:
Air to Air Heat Pump
Geothermal Heat Pump
Geothermal Radiant Heat
Radiant Heat:
Hot Water Radiant Heat
Geothermal Radiant Heat
Steam
Other
Other:
Gravity
Other
Default varies
based on
previous
selections
Both No Cycle Rate and Fan Operation automatically
default to the correct settings based on the
equipment type selected.
This ISU is not displayed when ISU 2000
Heating System Type is set to None (Cool
Only).
See “Geothermal Radiant Heat” beginning
on page 100.
2030 What Terminals are
Wired to Radiant
Heat?
None
U1
U2
U3 Default varies
based on
previous
selections
Both No This ISU is only displayed when ISU 2010
Heating Equipment Type is Geothermal
Radiant Heat.
Geothermal Radiant Heat must be wired to
a universal terminal (U1, U2, or U3).
U1, U2 and U3 are normally open dry
contacts when configured for a stage of
Heat. U1, U2 and U3 require power from
the system transformer or a separate
transformer.
U3 is only available on the Equipment
Interface Module (EIM).
2040 What Terminals are
Wired to Radiant
Heat - Stage 2?
None
U1
U2
U3 Default varies
based on
previous
selections
Both No This ISU is only displayed when ISU 2010
Heating Equipment Type is Geothermal
Radiant Heat.
Geothermal Radiant Heat must be wired to
a universal terminal (U1, U2, or U3).
U1, U2 and U3 are normally open dry
contacts when configured for a stage of
Heat. U1, U2 and U3 require power from
the system transformer or a separate
transformer.
U3 is only available on the Equipment
Interface Module (EIM).
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes