TB7220U ULTRASTAT PROGRAMMABLE THERMOSTAT
62-0223—1 10
INSTALLER SETUP NUMBERS, SETTINGS, AND TESTS (TABLE 4)
Configure Installer Setup
1. Press and release the System key.
2. Press System and Done keys simultaneously.
3. Hold keys for approximately five seconds, until the
screen changes.
4. When the display changes, release the System and
Done keys.
NOTE: See Table 4 for installer setup (ISU) numbers
and settings.
5. Use the Up and Down keys to change the value of
the ISU currently displayed.
6. Use the Go Back and Next keys to move from the
current ISU to another.
Installer System Tests
Use Installer System Test to test heating, cooling and fan.
For test details, refer to the latter portion of Table 4.
CAUTION
Equipment Damage Hazard.
Minimum compressor off time is bypassed
during Installer System Test
Avoid cycling compressor quickly.
IMPORTANT
The setting chosen for System Type (ISU 0170)
can prevent some System Test Numbers from
appearing.
Table 4. Installer Setup Menu.
Installer
Setup
Number
Installer Setup
Name
Default
Setting All Settings Notes
0120 Date (Year Upper) 20 20—20xx
21—21xx
Available year range: 2001 - 2178
0130 Date (Year Lower) 04 00-99 Available year range: 2001 - 2178
0140 Date (Month) 6 1-12
0150 Date (Day) 15 1-31 Available day range varies by month.
0160 Schedule Options 4 0—Non-Programmable
4—Programmable
0170 System Selection 8 1—1H/1C Conv
2—1H/1C HP
3—1H w/o fan
4—1H with fan
6—1C
7—2H/1C HP
8—2H/2C Conv
9—2H/1C Conv
10—1H/2C Conv
11—2H/2C HP
12—3H/2C HP
0180 Heat Fan Operation 0 0—System controls fan
1—Thermostat controls
fan (ON during call for
heat)
Only shown for conventional system with heat
stages and fan capability (ISU 0170) selected.
If heat pump is selected, fan always operates with
Thermostat control.
The only thing that allows the fan to turn off during
occupied periods is a manual override of the fan
from On to Auto.
0185 Pre-occupancy
Purge Duration
0 0—no duration
1—one hour
2—two hours
3—three hours
Only shown if thermostat is programmable
(ISU 0160).
0190 Reversing Valve
O/B
0 0—O (O/B On Cool)
1—B (O/B On Heat)
Only shown with heat pump system selected.
0220 Cycles Per Hour
(CPH) for first stage
compressor
3 1-6 Only shown for system with cool stages
(ISU 0170). Selection in this stage changes
second stage cool default CPH.
0230 CPH for second
stage compressor
3 1-6 Only shown for system with two stages of cool
(ISU 0170).
0240 CPH for first stage
conventional heat
5 1-12 Only shown for conventional system with heat
stages (ISU 0170).
Selection in this stage changes default CPH of
second stage heat.
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