7
Communicating Two Stage Air Conditioner or Heat Pump
Figure 8
Communicating Inverter Air Conditioner or Heat Pump
Figure 9
3. Download the
CoolCloud
HVAC phone application for
charging and to configure /test system.
NOTE:
When new versions of Bluetooth Communication Software
and Air Handler Control Software are available, the phone appli
-
cation notifies the user. Software updates are classified as either
optional or mandatory and installed by using the phone applica
-
tion. Ensure all mandatory software updates have been installed.
Review notes for optional software updates and install if necessary.
NOTE:
If an E11 code exists for the inverter system immediately
after line voltage is applied (code displayed on the outdoor inverter
control), the System Verification Test needs to be completed before
any other operation. See the following procedure.
1. Provide Line Voltage to the Inverter and MBVC systems
2. Allow the system to remain idle for 5 minutes
3. Apply a G call (FAN CALL) to the MBVC control. Do not
provide any other 24VAC thermostat call. Confirm the
blower starts running. This step is critical. The MBVC blower
must be running before continuing to step 4.
NOTE:
The following steps must be completed on the outdoor
inverter control board. Not on the MBVC control.
4. Locate the 3 push buttons under the 3 seven segment
displays.
5. The 7 Segment display should be showing
.
6. Press and hold the RECALL button for 5 seconds. The 7
Segment display should show
.
. Release the RECAL
button.
7. Press and hold the RECALL button again for another 5
seconds. the 7 Segment display should show
.
. Release
the RECALL button.
8. Press and hold BOTH the RECALL AND TEST buttons for 5
seconds. The 7 Segment display should show
.
. Release
the RECALL AND TEST buttons. Note, if you only hold the
RECALL button during this step the display will show
.
.
You will then need to press the LEARN button and then start
over from step 5.
9. Press and release the RECALL button (do not hold it down)
3 times until the 7 Segment display shows
.
.
10. Press and Release the TEST button. The 7 Segment display
wil show
.
.
11. Press and release the RECALL button. The 7 Segment display
will show
.
. Note: the display will be flashing at this time.
12. Press and release the TEST button to stop the flashing.
13. Press and release the TEST button again to exit this menu.
14. Step 13 successfully enable the mandatory system test.
Press the LEARN button to return to the main screen. The
7 Segment display will show
. The outdoor Inverter will
start up momentarily. Once the system test has completed,
any errors seen during the test will be displayed. If the test
passed,
will clear, the system will shut down by itself
and you can proceed to charging.
Charging Instructions for an Inverter Outdoor Unit
1. Apply a G call (FAN CALL) to the MBVC control. Do not
provide any other 24VAC thermostat call. Confirm the
blower starts running. This step is critical. The MBVC blower
must be running before continuing on.
NOTE:
The following steps must be completed on the outdoor
inverter control board. Not on the MBVC contol.
2. Locate the three push buttons under the three 7 Segment
displays.
