Honeywell PRESTIGE THX9321 User Manual

Page 41

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THX9321 PRESTIGE

®

2.0 AND THX9421 PRESTIGE

®

IAQ WITH EIM

41

68-0311—02

3200

Heating Throttling

Range

1° F to 30° F

2° F

Commercial No

The default Heating Throttling Range is 2° F

(1.5° C) which is appropriate for most

applications. Do not change this setting

unless advised to do so by Honeywell

technical support.

The throttling range controls the cycling of

the system and helps to compensate for

load changes, equipment sizing and

thermostat mounting location.

3210

Heating Integral

0, 100 to 25,000 sec

10,000 sec

Commercial No

The default Heating Integral is 10,000

seconds which is appropriate for most

applications. Do not change this setting

unless advised to do so by Honeywell

technical support.

The integral controls how much droop is

used.

3220

Heating Derivative

0, 100 to 25,000 sec

0 sec

Commercial No

The default Heating Derivative is 0 seconds

which is appropriate for most applications.

Do not change this setting unless advised

to do so by Honeywell technical support.

The derivative makes adjustments to the

algorithm for fast acting systems.

3240

Minimum

Compressor Off

Time

Off
1 - 5 minutes

5 minutes

Both

No

The thermostat has a built in compressor

protection (minimum off timer) that

prevents the compressor from restarting

too early after a shutdown. The minimum-

off timer is activated after the compressor

turns off.

If there is a call during the minimum-off

timer, the thermostat shows “waiting for

equipment” in the display.

3260

Extended Fan Run

Time in Cool

0, 30, 60, 90 seconds, 2, 3, 4, 5,

6, 7, 8, 9, 10, 11, 12, 13, 14, 15

minutes

0 seconds

Both

No

After the call for cooling ends, the

thermostat keeps the fan on for the

selected amount of time for increased

efficiency. This may re-introduce humidity

into the living space.

3260

Extended Fan Run

Time in Heat

0, 30, 60, 90 seconds, 2, 3, 4, 5,

6, 7, 8, 9, 10, 11, 12, 13, 14, 15

minutes

0 seconds

Both

No

After the call for heating ends, the

thermostat keeps the fan on for the

selected amount of time for increased

efficiency.

4000

Number Of

Schedule Periods

2 or 4 periods per day

4 periods per

day

Both

No

Residential:

4 Periods = Wake, Leave, Return, Sleep

2 Periods = Wake, Sleep

Commercial:

4 Periods = Occupied 1, Unoccupied 1,

Occupied 2, Unoccupied 2

2 Periods = Occupied 1, Unoccupied 1

4010

Pre-Occupancy

Purge Duration

Off
1 hour
2 hour
3 hour

Off

Commercial No

Runs the fan 1 to 3 hours before each

occupied period to provide a comfortable

workplace upon arrival.

Table 4. Installer Setup (ISU) Table. (Continued)

ISU

Number

Installer Setup

Name

Settings

Default

Residential,

Commercial

or Both

Requires

EIM

Notes

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