Executing A Self Test; Parameter Description; Changing Free Cooling Type; Entering Model/Serial Number - Bard MULTI-TEC W42ACE Series Service Instructions Manual

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.
FIGURE 11
Executing Self Test
Step Action
A Open economizer damper
B Close economizer Damper
C Turn on compressor
D Enable second stage
E Open reheat valve
F Turn all cooling off
G Turn on electric heat
H Turn on electric heat stage 2
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
Manual 2100-725C
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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
3. Press UP or DOWN keys to scroll to Sys Config;
4. Press UP or DOWN keys to scroll to screen with
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

Entering Model/Serial Number

To enter or change the model or serial number
manually:
Time Required
1. Press MENU key to access the Main Menu screen.
Damper Time (150s)
2. Press UP or DOWN keys and ENTER key to enter
Damper Time (150s)
Heat/Cool Time (60s)
3. Press UP or DOWN keys to scroll to Adv Sys Config;
Heat/Cool Time (60s)
Heat/Cool Time (60s) 4. Press UP or DOWN keys followed by ENTER
--
Heat/Cool Time (60s)
Heat/Cool Time (60s)
--
USER password 2000.
press ENTER key.
Free Cooling Config heading.
displayed.
USER password 2000.
press ENTER key.
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