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Manual 2100-725C
Page
10 of 39
Step Action
Time Required
A
Open economizer damper
Damper Time (150s)
B
Close economizer Damper
Damper Time (150s)
C
Turn on compressor
Heat/Cool Time (60s)
D
Enable second stage
Heat/Cool Time (60s)
E
Open reheat valve
Heat/Cool Time (60s)
F
Turn all cooling off
--
G
Turn on electric heat
Heat/Cool Time (60s)
H
Turn on electric heat stage 2
Heat/Cool Time (60s)
I
Turn off all heating
--
Parameter Description
Damper Time: This is the time (in seconds) allowed for
both the opening sequence and closing sequence.
Heat/Cool Time: This is the time (in seconds) allowed
for cooling sequence and heating sequence.
Status: This will display what the unit is doing as the self
test progresses. The following messages may appear:
1. Not Active
2. Opening Damper
3. Closing Damper
4. Compressor Stage 1
5. Compressor Stage 2
FIGURE 11
Executing Self Test
Executing a Self Test
Execute a self test on each unit to verify the equipment
is functioning correctly.
1. Press MENU key to access the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Self Test (A11)
screen.
5. Press ENTER key to scroll to
Self Test Enable
parameter (see Figure 11).
6. Press UP or DOWN key to change value to ON. The
self test will begin.
6. Reheat Valve Open
7. Cooling Off
8. Electric Heat Stage 1
9. Electric Heat Stage 2
10. Heating Off
11. Self Test Stop
The unit will determine which items to test based on
the unit model number.
Changing Free Cooling Type
The comparative enthalpy free cooling setting can be
changed to dry bulb free cooling using the TEC-EYE
hand-held diagnostic tool.
1. Press MENU key to access the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to screen with
Free Cooling Config
heading.
5. Press ENTER key to scroll to parameter type.
6. Press UP or DOWN keys to change to desired value.
7. Press ENTER key to save.
8. Press ESCAPE key until Main Menu screen is
displayed.
Entering Model/Serial Number
To enter or change the model or serial number
manually:
1. Press MENU key to access the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Adv
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys followed by ENTER
key for each character in the serial number (see
Figure 12). Once the serial number has been fully
entered, the cursor will automatically cycle on to
Model Number
. Repeat the same process to enter
the model number.
FIGURE 12
Entering Model/Serial Number