Honeywell THX9321 Prestige 2.0 Product Data page 60

®
THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE
ISU Installer Setup
Number Name
10000 Ventilation Type
10020 What Terminals are
Wired to the
Ventilator?
What Terminals are
Wired to the Fresh
Air Damper?
Note: Installer
Setup Name varies
depending on the
ventilation
equipment
installed.
10050 Ventilation Control
Method
10060 Ventilation Fan
Control
10090 Number of
Bedrooms
10090 Size of House
10100 Enter Equipment
Ventilation Rate
68-0311—02
Table 4. Installer Setup (ISU) Table. (Continued)
Settings
None
ERV / HRV
Passive (Fan Only)
Fresh Air Damper
None
U1
U2
U3
ASHRAE
Percent On Time
Thermostat Controls Fan
Equipment Controls Fan
1 to 6
1000 to 5000 sq. ft. (in 100 sq. ft.
increments)
(90 to 460 sq. m.)
30 to 350 CFM (in 5 CFM
increments)
(850 - 9900 LPM)
®
IAQ WITH EIM
Residential,
Commercial
Default or Both
None Both
Thermostat Both
defaults to the
next unused
universal
terminal (U1,
U2, U3).
Defaults to Both
ASHRAE
when ISU 1010
Application is
set to
Residential.
Percent on
Time is the
only choice
when ISU 1010
Application is
set to
Commercial.
Thermostat Both
Controls Fan
2 bedrooms Residential
1000 sq. feet Residential
150 Residential
60
Requires
EIM Notes
No None: The thermostat does not control
ventilation.
ERV/HRV: The thermostat controls an
Energy Recovery Ventilator or Heat
Recovery Ventilator for ventilation.
Passive (Fan Only): The thermostat turns
on the fan for ventilation.
Fresh Air Damper: The thermostat turns on
the fan and opens a fresh air damper for
ventilation.
No Number of Universal Outputs:
THX9321 Thermostat: U1 and U2 terminals
Equipment Interface Module (EIM): U1, U2
and U3 terminals
U1, U2, U3 are dry contacts that require
power. See "Wiring IAQ Equipment or a
Heat/Cool Stage to the Universal
Terminals" beginning on page 149.
No See "Ventilation Control Methods (ISU
10050)" beginning on page 112.
No Thermostat Controls Fan: The thermostat
turns on the ventilation equipment and the
fan when ventilation is needed.
Equipment Controls Fan: The thermostat
turns on the ventilation equipment when
ventilation is needed. The fan is controlled
by the equipment.
No This ISU is only displayed when ISU10050
Ventilation Control Method is set to
ASHRAE (Residential only).
No This ISU is only displayed when ISU10050
Ventilation Control Method is set to
ASHRAE (Residential only).
No This ISU is only displayed when ISU10050
Ventilation Control Method is set to
ASHRAE (Residential only).